Pioneer PDP-4270XA Service Manual

Pioneer PDP-4270XA Service Manual

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PLASMA TELEVISION
PDP-427XD
PDP-4270XD
PDP-427XA
PDP-4270XA
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
PDP-427XD
WYVIXK5
PDP-4270XD
WYVIXK5
WYVIXK5
PDP-427XA
WYV5
WYVIXK5
PDP-4270XA
WYV5
This service manual should be used together with the following manual(s).
Model No.
PDP-427XD, PDP-4270XD,
PDP-427XA, PDP-4270XA
For details, refer to "Important Check Points for good servicing".
PIONEER CORPORATION
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2006
Power Requirement
AC 220 V to 240 V
AC 220 V to 240 V
AC 220 V to 240 V
AC 220 V to 240 V
AC 220 V to 240 V
AC 220 V to 240 V
Order No.
ARP3392
SCHEMATIC DIAGRAM, PCB CONNECTION DIAGRAM
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PDP-427XD
Remarks
T-IZR SEPT. 2006 printed in Japan
ORDER NO.
ARP3391
Remarks

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Summary of Contents for Pioneer PDP-4270XA

  • Page 1 PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2006 T-IZR SEPT.
  • Page 2: Notes On Service Visit

    1. NOTES ON SERVICE VISIT 1.1 SAFETY INFORMATION This service manual is intended for qualified service technicians ; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
  • Page 3 PRODUCT SAFETY NOTICE With the AC plug removed from an AC power source, place a Many electrical and mechanical parts in PIONEER set have jumper across the two plug prongs. Turn the AC power switch on. special safety related characteristics. These are often not evident...
  • Page 4 Charged Section High Voltage Generating Point The places where the commercial AC power is used without The places where voltage is 100 V or more except for the charged passing through the power supply transformer. places described above. If the places are touched, there is a risk of If the places are touched, there is a risk of electric shock.
  • Page 5 [Important Check Points for Good Servicing] In this manual, procedures that must be performed during repairs are marked with the below symbol. Please be sure to confirm and follow these procedures. 1. Product safety Please conform to product regulations (such as safety and radiation regulations), and maintain a safe servicing environment by following the safety instructions described in this manual.
  • Page 6: Quick Reference Upon Service Visit

    1.2 QUICK REFERENCE UPON SERVICE VISIT Quick Reference upon Service Visit 1 Notes, PD/SD diagnosis, and methods for various settings Notes when visiting for service Change of settings PD/SD 1. Notes when disassembling/reassembling How to enter Factory mode using No. of LEDs 1 Rear case the supplied remote control unit flashing...
  • Page 7 Quick Reference upon Service Visit 2 Mode transition and structure of layers in Service Factory mode Mode transition in Service Factory mode Structure of Layers in Service Factory Mode • To shift to another mode, press [MUTING]. INFORMATION mode • To shift to another item in a specific mode, 1.
  • Page 8: Table Of Contents

    2.6 PANEL CHASSIS SECTION ..........................20 2.7 MULTI BASE SECTION ............................22 2.8 PDP SERVICE PANEL ASSY 427 (AWU1208) ....................24 2.9 TABLE TOP STAND (PDP-4270XD and PDP-4270XA ONLY)................25 3. PCB PARTS LIST ...............................26 4. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ......................42 4.1 OVERALL WIRING DIAGRAM (1/2) ........................42 4.2 OVERALL WIRING DIAGRAM (2/2) ........................44...
  • Page 9 10.5 SPECIFICATION ABOUT THE THERMAL PROTECTION................167 10.6 PROCESSING IN ABNORMALITY ......................... 168 11. SPECIFICATIONS ..............................170 11.1 SPECIFICATIONS ............................170 11.2 ACCESSORIES............................... 171 11.3 PANEL FACILITIES............................172 11.3.1 PDP-427XD, PDP-4270XD ........................172 11.3.2 PDP-427XA, PDP-4270XA........................177 12. IC INFORMATION ..............................182 PDP-427XD...
  • Page 10: Exploded Views And Parts List

    (In the case of no amount instructions, apply as you think it appropriate.) 2.1 PACKING SECTION PDP-4270XD/WYVIXK5, PDP-427XD/WYVIXK5, PDP-427XA/WYVIXK5, WYV5 only WYVIXK5 model only Ferrite core PDP-4270XD, Cable tie PDP-4270XA only Speed clamp ×3 Bead band ×3 Tabletop Stand bundle PDP-4270XD, PDP- 4270XA model only PDP-427XD...
  • Page 11 See Contrast table (2) Cleaning Cloth AED1285 Caution Card See Contrast table (2) Cleaning Caution See Contrast table (2) (2) CONTRAST TABLE PDP-427XD/WYVIXK5, PDP-4270XD/WYVIXK5, PDP-4270XA/WYVIXK5, WYV5, PDP-427XA/WYVIXK5 and WYV5 are constructed the same except for the following: PDP-427XD PDP-4270XD PDP-4270XA PDP-427XA PDP-4270XA PDP-427XA Mark No.
  • Page 12: Rear Section

    2.2 REAR SECTION MAIN CN4010 Binder (Accessory of No.3) TANSHI CN9001, CN9002 Refer to "2.3 FRONT SECTION". PDP-427XD...
  • Page 13 See Contrast table (2) Terminal Label C See Contrast table (2) Terminal Label B See Contrast table (2) (2) CONTRAST TABLE PDP-427XD/WYVIXK5, PDP-4270XD/WYVIXK5, PDP-4270XA/WYVIXK5, WYV5, PDP-427XA/WYVIXK5 and WYV5 are constructed the same except for the following: PDP-427XD PDP-4270XD PDP-4270XA PDP-427XA...
  • Page 14: Front Section

    2.3 FRONT SECTION Refer to "2.4 CHASSIS SECTION (1/2)". PDP-4270XD/WYVIXK5 PDP-4270XA/WYVIXK5 PDP-4270XA/WYV5 Only stick here MAIN CN4006 MAIN CN4010 PDP-427XD...
  • Page 15 See Contrast table (2) IR Block Cushion AEB1465 IR Blind Sheet AAX3455 Insulation Sheet B See Contrast table (2) (2) CONTRAST TABLE PDP-427XD/WYVIXK5, PDP-4270XD/WYVIXK5, PDP-4270XA/WYVIXK5, WYV5, PDP-427XA/WYVIXK5 and WYV5 are constructed the same except for the following: PDP-427XD PDP-4270XD PDP-4270XA PDP-427XA PDP-4270XA PDP-427XA Mark No.
  • Page 16: Chassis Section (1/2)

    2.4 CHASSIS SECTION (1/2) Refer to "2.7 MULTI BASE SECTION". 42E AUDIO CN3753 POWER AC inlet 42E AUDIO CN3753 MAIN CN4009 32 23 Refer to "2.5 CHASSIS SECTION (2/2)". PDP-427XD...
  • Page 17 CHASSIS SECTION (1/2) PARTS LIST Mark No. Description Part No. Speaker Box Assy L AMW1010 Speaker Box Assy R AMW1011 > Power Switch (S1) ASG1092 > Fan Motor 80 x 25L AXM1059 Ferrite Core ATX1044 Housing Wire (42, 50)(J103) ADX3320 Front Chassis VL (427) AMA1020 Front Chassis VR (427)
  • Page 18: Chassis Section (2/2)

    2.5 CHASSIS SECTION (2/2) 19 5 MAIN CN4001 42E AUDIO CN3751 MAIN CN4002 MAIN CN4008 AC inlet, Power switch 34 32 Refer to "2.6 PANEL CHASSIS SECTION". PDP-427XD...
  • Page 19 CHASSIS SECTION (2/2) PARTS LIST Mark No. Description Part No. SUS CLAMP 1 Assy AWW1022 SUS CLAMP 2 Assy AWW1023 42 X DRIVE Assy AWW1196 42 Y DRIVE Assy AWV2400 42 DIGITAL Assy AWW1240 SENSOR Assy AWW1140 > POWER SUPPLY Unit AXY1153 Ferrite Core ATX1048...
  • Page 20: Panel Chassis Section

    2.6 PANEL CHASSIS SECTION PDP-427XD...
  • Page 21 Address Holder Assy AMR3460 Screw ABA1364 Screw BBB30P120FNI Tube Cover (FT) AMR3557 (2) CONTRAST TABLE PDP-427XD/WYVIXK5, PDP-4270XD/WYVIXK5, PDP-4270XA/WYVIXK5, WYV5, PDP-427XA/WYVIXK5 and WYV5 are constructed the same except for the following: PDP-427XD PDP-4270XD PDP-4270XA PDP-427XA PDP-4270XA PDP-427XA Mark No. Symbol and Description...
  • Page 22: Multi Base Section

    2.7 MULTI BASE SECTION PDP-4270XD, PDP-427XD only 42 DIGITAL CN3001 SIDE KEY CN9501 LED IR CN9701 POWER POWER PDP-4270XD, PDP-427XD only PDP-4270XD, PDP-427XD only PDP-427XD, PDP-427XA only PDP-427XD, PDP-427XA only POWER PDP-4270XD, PDP-427XD only PDP-4270XD, PDP-427XD only POWER Speaker SIDE CN9207 SIDE CN9205...
  • Page 23 14P Housing Wire (J116) ADX3334 8/4P Housing Wire (J117) ADX3336 Binder AEC-093 Locking Card Spacer AEC1429 (2) CONTRAST TABLE PDP-427XD/WYVIXK5, PDP-4270XD/WYVIXK5, PDP-4270XA/WYVIXK5, WYV5, PDP-427XA/WYVIXK5 and WYV5 are constructed the same except for the following: PDP-427XD PDP-4270XD PDP-4270XA PDP-427XA PDP-4270XA PDP-427XA Mark No.
  • Page 24: Pdp Service Panel Assy 427 (Awu1208)

    2.8 PDP SERVICE PANEL ASSY 427 (AWU1208) PDP SERVICE PANEL ASSY 427 (AWU1208) PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Pad 42SINGLE(B-L) AHA2552 NSP 1 Panel Chassis (427) Assy AWU1171 Pad 42SINGLE(B-R) AHA2553 Caution Label AAX3031 Upper Carton (42SINGLE) AHD3480...
  • Page 25 Base Cover Assy See Contrast table (2) Screw ABA1357 Screw (HEX) SMZ80H300FTC Screw (HEX) ABA1365 (2) CONTRAST TABLE PDP-4270XD/WYVIXK5, PDP-4270XA/WYVIXK5 and PDP-4270XA/WYV5 are constructed the same except for the following: PDP-4270XD PDP-4270XA PDP-4270XA Mark No. Symbol and Description /WYVIXK5 /WYVIXK5...
  • Page 26: Pcb Parts List

    Ex.2 When there are 3 effective digits (such as in high precision metal film resistors). 5.62k Ω 562 x 10 5621 RN1/4PC 5 6 2 1 7 7 7 7 LIST OF WHOLE PCB ASSEMBLIES PDP-427XD PDP-4270XD PDP-4270XA PDP-427XA PDP-4270XA PDP-427XA Mark Symbol and Description /WYVIXK5 /WYVIXK5 /WYVIXK5...
  • Page 27 7 7 7 7 CONTRAST OF PCB ASSEMBLIES MAIN ASSY AWV2320 and AWV2318 are constructed the same except for the following : Mark Symbol and Description AWV2320 AWV2318 IC5103 Not used TVP5150AM1PBS-K IC5404 Not used BR24L02FJ IC8305 Not used TC74VHC00FTS1 Q5402 Not used HN1K02FU...
  • Page 28 TANSHI ASSY AWW1178 and AWW1161 are constructed the same except for the following : Mark Symbol and Description AWW1178 AWW1161 Q9012 Not used HN1A01FU Q9015 Not used 2SC4116 Q9016 Not used 2SD2114K > F9001 - F9007 Not used CTF1557 C9037 Not used CCG1205 C9022, C9025...
  • Page 29 Mark No. Description Part No. Mark No. Description Part No. CAPACITORS CAPACITORS C2000,2026,2030 CCSRCH101J50 C4000,4002 CCG1205 C2001 CKSRYB471K50 C4001,4014,4032,4033 CKSRYB103K50 C2002,2003,2005,2006 CKSRYF104Z16 C4003,4005,4017,4018 CKSRYF104Z16 C2004 CKSRYF474Z16 C4004 CEHVKW2R2M50 C2007 CCSRCH471J50 C4006 CKSRYB102K50 C2008,2017,2020,2021 CKSRYB102K50 C4007,4013 CCSRCH220J50 C2009 CCSRCH330J50 C4008,4009 CCSRCH121J50 C2011,2012 CCSRCH390J50 C4010,4011,4042...
  • Page 30 Mark No. Description Part No. Mark No. Description Part No. C4048-4050 CCSSCH470J50 MISCELLANEOUS [REG 0 BLOCK] L6000 LCYAR82J2520 SEMICONDUCTORS L6001,6100,6101 XTH1001 F6000 FERRITE CORE VTF1091 IC4101,4114,4115 S-1132B18-U5 CN6000 12P CONNECTOR AKM1298 IC4102 LTC3414EFE CN6003 50P CONNECTOR AKM1349 IC4103 LTC3412EFE IC4104,4111,4113 NJM2846DL3-05 RESISTORS IC4105...
  • Page 31 Mark No. Description Part No. Mark No. Description Part No. [ATUNER BLOCK] R4645,4647,4648 RAB4CQ103J R4649 RS1/10S0R0J Other Resistors RS1/16SS###J SEMICONDUCTORS IC4501 MSP3417G CAPACITORS Q4501 DTC124EUA C4603,4612,4646,4650 DCH1201 Q4503 UMD2N C4604 CKSSYB103K16 Q4504 HN1B04FU C4605,4606 CCSSCH220J50 Q4505 2SC4116 C4607 CKSSYB102K50 C4610,4611,4613,4615 CKSSYF104Z16 Q4506 2SA1586...
  • Page 32 Mark No. Description Part No. Mark No. Description Part No. C4737 ACG1122 CAPACITORS C4745,4767,4768 DCH1165 C5106,5107,5136,5140 CKSSYB103K16 C4753 ACH1394 C5108,5109 CCSSCH8R0D50 C4754,4755,4759,4760 CKSRYB105K10 C5113,5118,5119 DCH1201 C4756,4761,4763,4764 CKSSYF104Z16 C5120,5129,5131,5133 CKSSYF104Z16 C5127,5128,5130,5132 CKSSYB104K10 C4758,4762,4765 DCH1201 C4766,4772-4774 CKSSYF104Z16 C5134,5135,5137,5139 CKSSYB104K10 C4769-4771 DCH1201 C5138,5144,5155-5165 CKSSYF104Z16 C4775,4776 CKSSYB681K50...
  • Page 33 Mark No. Description Part No. Mark No. Description Part No. IC8203 TC74VHC08FTS1 C5423,5426-5428,5430 CKSSYF104Z16 MISCELLANEOUS C5432,5434,5436,5438 CKSSYF104Z16 L8201-8205 BTX1042 C5440,5442,5444,5445 CKSSYF104Z16 C5447,5448,5455,5457 CKSSYF104Z16 RESISTORS C5458,5460,5462,5464 CKSSYF104Z16 R8201-8205 ACN1246 R8206-8208,8255 ACN1251 C5466,5468,5469,5471 CKSSYF104Z16 R8209 RS1/10S0R0J C5472 CKSSYF104Z16 R8214,8215,8248 RAB4CQ103J R8225,8245 BCN1071 [DSEL BLOCK] R8246 BCN1073...
  • Page 34 Mark No. Description Part No. Mark No. Description Part No. R8839-8841,8866,8894 RS1/16S75R0F Q8401 2SJ461A R8885,8893 RS1/16S680J Q8402 DTC124EUA R8898,8915-8917,8922 RS1/16S75R0F Q8403,8405 HN1K02FU R9008 RS1/16S4701F D8401 1SS355 R9037,9038,9040 RS1/16S75R0F D8402 SML-311UT R9046-9048 RS1/16S75R0F D8403-8405 1SS301 Other Resistors RS1/16SS###J MISCELLANEOUS CAPACITORS X8401 CERAMIC OSCILLATOR CSS1616 C8801,8806,8812,8814 DCH1201...
  • Page 35 Mark No. Description Part No. Mark No. Description Part No. SEMICONDUCTORS C3779 CKSRYB822K50 C3791,3799 CEHAT100M50 IC9301 TC74VHC08FTS1 C3792-3795,3806,3807 CFTLA104J50 IC9302 TC7WH123FU C3797,3808,3812,3814 CEHAT1R0M50 IC9303 BR24C21FJ C3800,3801 CKSRYB224K16 Q9301 UMD2N D9301,9302 1SS301 C3811 CFTLA223J50 C3813 CFTLA104J50 D9306-9309 UDZS5R6(B) C3816,3817 ACH1456 C3818-3821 CCSRCH221J50 MISCELLANEOUS C3822-3825...
  • Page 36 Mark No. Description Part No. Mark No. Description Part No. CAPACITORS C1141,1142,1144,1145 CKSRYB104K16 C1161-1164,1166 ACE1168 C9701 CKSSYB102K50 C1167,1168 ACG1129 C9702 CKSSYF104Z16 C9703 (10/6.3V) ACG7046 C9704 CKSSYF103Z50 [42X SUS BLOCK] C9705 CKSRYF103Z50 All Resistors RS1/16S###J SEMICONDUCTORS IC1201 MM1565AF IC1202 AXF1143 42 X DRIVE ASSY IC1251 TND301S IC1252...
  • Page 37: Y Drive Assy

    Mark No. Description Part No. Mark No. Description Part No. D1306,1323,1331 UDZS5R1(B) D1321 D1FK60 [42 Y LOGIC BLOCK] D1329,1330 UDZS4R7(B) SEMICONDUCTORS MISCELLANEOUS IC2001,2004 TC74ACT541FT VR1321 CCP1392 IC2002 TC74ACT540FT T1301 ATK1159 IC2003,2005 TC74VHC08FTS1 T1321 ATK1160 MISCELLANEOUS RESISTORS CN2001 40P CONNECTOR AKM1348 R1321,1322,1326,1339 RS1/10S224J R1337...
  • Page 38 Mark No. Description Part No. Mark No. Description Part No. Q2202 2SA2142 MISCELLANEOUS Q2221 2SK3325 L2401-2403 LFEA100J Q2250 2SC4081 F2401-2404 ATX1059 Q2280,2281 2SK3399 CN2401,2402 15P CONNECTOR AKM1200 Q2290 2SK3050 RESISTORS D2202,2204,2205,2234 CRH01 R2407,2421 RAB4C220J D2203,2212,2351 1SS355 Other Resistors RS1/16S###J D2211 D1FK60 D2213 1SS302...
  • Page 39 Mark No. Description Part No. Mark No. Description Part No. [42Y D-D CON BLOCK] RESISTORS R3007,3010-3016 RAB4C470J SEMICONDUCTORS R3020-3022 RAB4C103J Other Resistors RS1/16SS###J IC2601,2603,2606 PS2701A-1(L) IC2602 BA10358F IC2605,2614 TA76431FR [MODULE UCOM BLOCK] Q2601,2609 2SA1576A Q2602,2613,2641 HN1C01FU SEMICONDUCTORS Q2603,2604,2611 DTC143EUA IC3152,3153 SN74AHC541PW Q2605,2606 2SD1898...
  • Page 40 Mark No. Description Part No. Mark No. Description Part No. MISCELLANEOUS [SQ ASIC BLOCK] CN3651 5P CONNECTOR AKM1276 SEMICONDUCTORS RESISTORS IC3401 PEG239A All Resistors RS1/16SS###J MISCELLANEOUS CAPACITORS L3401-3403 QTL1013 C3651,3653 CKSRYB105K6R3 F3401,3402 CCG1162 C3652,3654 CKSSYB103K16 C3656,3657 CKSSYB104K10 RESISTORS R3402,3412 RAB4C101J R3405-3407,3409,3410 RAB4C220J 42 ADDRESS ASSY...
  • Page 41 Mark No. Description Part No. Mark No. Description Part No. CAPACITORS C2825-2827,2835-2837 CCSRCH390J50 C2828,2829,2838,2839 CCSRCH331J50 C1601,1614 ACG1124 C2841,2851 ACG1125 C1602-1605 ACH1405 C2843,2853,2861 CKSRYB105K6R3 C1609 ACG1098 C2845-2847,2855-2857 CCSRCH390J50 C1613 CKSRYB104K25 C1619 CKSYB105K16 C2848,2849,2858,2859 CCSRCH331J50 C2850,2860 CCSRCH181J50 42 SCAN A ASSY POWER SUPPLY UNIT SEMICONDUCTORS POWER SUPPLY Unit has no service part.
  • Page 42: Block Diagram And Schematic Diagram

    4. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 4.1 OVERALL WIRING DIAGRAM (1/2) 42 SCAN B ASSY [AWV2362] (AWW1183) POWER SUPPLY UNIT (HIGH SIDE) (AXY1150) 42 Y DRIVE ASSY (AWV2400 : #1,#3, #4,#6) (AWV2371 : #2,#5) 42 SCAN A ASSY [AWV2362] (AWW1182) (LOW SIDE) ADDRESS VA ASS'Y ADDRESS VA ASS'Y...
  • Page 43 SUS CLAMP 1 ASSY (AWW1022) 42 DIGITAL ASSY SUS CLAMP 2 [AWV2435 : #1,#3,#4,#6] ASSY (AWW1240) (AWW1023) [AWV2372 : #2, #5] (AWW1193) SENSOR ASSY [AWV2372 : #2,#5] [AWV2435 : #1,#3,#6] (AWW1140) T E 1 PDP-4270XD/WYVIXK5 PDP-4270XA/WYV5 PDP-4270XA/WYVIXK5 PDP-427XD/WYVIXK5 PDP-427XA/WYV5 PDP-427XA/WYVIXK5 PDP-427XD...
  • Page 44: Overall Wiring Diagram (2/2)

    4.2 OVERALL WIRING DIAGRAM (2/2) 42E AUDIO ASSY [AWV2369] (AWW1185) SIDE KEY ASSY MAIN ASSY [AWV2369] (PDP-4270XD, PDP-4270XA (REGULAR) (AWW1133) : AWV2320 : #1, #2, #3) (PDP-427XD, PDP-427XA (STEPUP) : AWV2318 : #4, #5, #6) LED IR ASSY [AWV2369] (AWW1136)
  • Page 45 SIDE ASSY(EU) [AWV2321 : #1, #2, #3] TANSHI ASSY(EUR) (AWW1162) [AWV2321 : #1, #2, #3] [AWV2319 : #4, (PDP-4270XD, PDP-4270XA : AWW1178) #5, #6] (EUS) (AWW1162) [AWV2319 : #4, #5, #6] (PDP-427XD, PDP-427XA : AWW1161) R07 DT ASS'Y(E) LF (AWE1311 : #1, #4)
  • Page 46: Overall Block Diagram (1/2)

    4.3 OVERALL BLOCK DIAGRAM (1/2) 42 SCAN B ASSY (UPPER) Scan Signal 42 Y DRIVE ASSY IC2801 IC5V Scan IC PSUS VSUS VOFS Vprst IC5V IC2802 VH DC/DC Conv. Offset Scan IC + Reset Block Vprst Block Vprst Reg. IC2803 +5V +16.5V VSUS +16.5V...
  • Page 47 : Wire haerness : FFC POWER SUPPLY SECONDARY PRIMARY +16.5V Switching +6.5V T251 UNIT Q253 VSUS SUS CLAMP 1 Q252 +16.5V Switching +6.5V ASSY RC101 VSUS_CONT +390V PFC Q203 Z901 VSUS Q204 +60V T281 Z281 Switching +16.5V +12V STB3.3V VSUS_ADJ D123 PS_PD +35V...
  • Page 48: Overall Block Diagram (2/2)

    4.4 OVERALL BLOCK DIAGRAM (2/2) PDP-427XD...
  • Page 49: Power Supply Unit

    4.5 POWER SUPPLY UNIT PDP-427XD...
  • Page 50: X Drive, Sus Clamp 1 And Sus Clamp 2 Assys

    4.6 42 X DRIVE, SUS CLAMP 1 and SUS CLAMP 2 ASSYS SUS CLAMP 1 VSUS ASSY 42 X DRIVE ASSY +16.5V +16.5V DC/DC Conv. IC1101 DK Mod. – Reset Block Resonance +16.5V VSUS Block Logic SUS OUT Block IC1202 Mask Mod.
  • Page 51: Y Drive Assy

    4.7 42 Y DRIVE ASSY VOFS VSUS Vprst IC5V VH DC/DC Conv. Offset Block + Reset Vprst Block Vprst Reg. +16.5V VSUS VOFS VOFS +16.5V DC/DC Conv. IC2252 Mask PSUS Mod. VSUS +6.5V Regulator +16.5V Resonance Block VSUS +16.5V +16.5V Logic Block IC2101...
  • Page 52: Power Supply Block Of 42 X Drive And 42 Y Drive Assys

    4.8 POWER SUPPLY BLOCK of 42 X DRIVE and 42 Y DRIVE ASSYS ADDRESS ASSY 42 Y DRIVE ASSY 5.0V Logic Mod. from POWER SUPPLY 5.0V 6.5V Reg.IC Mask 16.5V Mod. VSUS VOFS VOFS DC/DC Conv. Ofset IC5V IC5V DC/DC Conv. Vprst VPRST Reset...
  • Page 53 4.9 42 SCAN A and 42 SCAN B ASSYS 42 SCAN B ASSY Scan Signal (UPPER) IC2801 IC5V Scan IC PSUS IC2802 Scan IC IC2803 Scan IC IC2804 Scan IC IC2805 Scan IC IC2806 Scan IC CN2802 Serial Data CN2702 IC2701 Scan IC IC2702...
  • Page 54 4.10 42 ADDRESS ASSY CN1501 CN1502 IC1501 V+5V V+60V (PEE002A-K V+3V AN/P BN/P V+8V or PEE002B-K) CN/P DN/P CLKN/P LVDS Receiver Resonance Resonance Block Block V+ADR1 V+ADR5 CLK/LE/HBLK/LBLK R/G/B IC1555 IC1554 IC1553 IC1552 Driver IC Driver IC Driver IC Driver IC PDP-427XD...
  • Page 55: Digital Assy

    4.11 42 DIGITAL ASSY V+8V V+3V_EEP +12V REG. Vsus_AD RELAY, PD_TRG_B, RELAY V+3V_D DC-DC CONVERTER MODULE V+1V_D +12V AXY1137- VH_UV_PD, YDRIVE_PD PS_PWDN YRESNC_PD, YDD_CHV_PD XSUSTN_PD, XDD_CNV_PD, SCL, Ext_P Vofs_ADJ, SCAN YSUS STOP_SQ Pulse SQ_PD Width YPR-U MASK PD_MUTE DRF_ MODULE UCOM XSUS M30620FCPGP IC3151...
  • Page 56: Signal Block Diagram

    RAPID_SW1 SIDE ASSY IC4901 RAPID_SW3 R2S11001FT (RGBSW) SDA_AV Input2_Y/Pb/Pr SCL_AV Input5 for PDP-427XD PC_RGB PDP-427XA PC_H/V Input4 for PDP-4270XD PDP-4270XA Head Phone PDP-427XD, SDA_TXT SCL_TXT PDP-427XA ONLY PC ASSY SR_OUT PC Input TXD/RXD_IF IC8301 HD64F3684FP (IF UCOM) TXD/RXD RS232C 232C_DET...
  • Page 57 MAIN ASSY POWER SUPPLY UNIT IC4602 HY57V641620ET CN4008 (SDRAM) IC8102 IC8103 EDS6432AFTA EDS6432AFTA EXA_TXT (SDRAM) (SDRAM) IC4603 EXDIO_TXT S29AL016D70TF1010 (FLASH) MD_A MD_B VD_M HD_M IC8101 PE5504B CBCR_M (IP) DIN5 DIN4_G DIN4_R DIN4_B VD4/5 HD4/5 IC8001 RST_IC6 PD6523A (DIGITAL SELECTOR) DIN6_DATA HD6/VD6 INT_HD1/VD1 EXT_HD1/VD1...
  • Page 58: R07 Dt Assy (Pdp-4270Xd And Pdp-427Xd Only)

    4.13 R07 DT ASSY (PDP-4270XD and PDP-427XD ONLY) SPDIF Connector RF in RF out JA4000 PCMCIA Connector CN5000 & 0011 I2C_tun IF Amp COFDM Tuner IC1001 IC1000 Data Bus buffer M1000 IC5002 (STV0361L) (UPC3221GV) (XXF1007) (TC74LCX245FTS1) CiMAX SP2L Address Bus Buffer IC5003 &...
  • Page 59: Power Supply Block Of Main Assy

    4.14 POWER SUPPLY BLOCK of MAIN ASSY IC4108 CN4002 IC8001 IC4102 V+3.3V D2 1.8V REG V+1.8V D Triton V+5.1V (NJM2846DL3-18) V+3.3V D (LTC3414EFE) FET SW V+3.3V D (PD6523A-K) (UPA1917TE) Q4106 IC4103 V+1.2V D (LTC3412EFE) IC8002 Buffer IC V+3.3V D (TC74LCX125FT) X8001 U4601 100 MHz Oscillator...
  • Page 60: E Audio Assy

    4.15 42E AUDIO ASSY POWER SUPPLY UNIT +16.5V +12V +16.5V +12V PSW_A REGULATOR IC3752 PQ120DNA1ZPH BUFFER +12V +16.5V POWER AMP IC WOW + VOLUME IC IC3751 IC3753 LA4625 NJW1183GK1 +12V BUFFER DC DETECT BLOCK A_Mute A_STBY_B R_Audio L_Audio MAIN Assy A_NG_B 42E AUDIO ASSY Right...
  • Page 61: Power Supply Block Of 42E Audio, Led Ir And Side Key Assys

    4.16 POWER SUPPLY BLOCK of 42E AUDIO, LED IR and SIDE KEY ASSYS 42E AUDIO ASSY POWER AMP +16_5V IC3751 LA4625 16.5V→12V WOW+VOL IC +12V IC3752 IC3753 PQ120DNA1ZPH NJW1183GK1 LED IR ASSY V+5.1V_STB IC9702 SBX3050-01 SIDE KEY ASSY KEY BLOCK V+3.3V_STB S9501 - S9507 PDP-427XD...
  • Page 62: Voltages

    4.17 VOLTAGES 42 DIGITAL Assy MAIN Assy TANSHI Assy MAIN Assy CN3001 (AKM1353) CN4001 (AKM1349) CN8802 (AKM1349) CN4004 (AKM1349) Voltage Voltage Pin Name Pin Name Pin Name Pin Name Input3_G Input3_G V_3.3V_UCOM V_3.3V_UCOM INP_MUTE INP_MUTE Input3_B Input3_B THEATER THEATER 0/3.3 Input3_R Input3_R 0/3.3...
  • Page 63 TANSHI Assy MAIN Assy R07 DT Assy MAIN Assy CN9003 (AKM1349) CN4005 (AKM1349) CN6003 (AKM1349) CN4013 (AKM1353) Voltage Voltage Pin Name Pin Name Pin Name Pin Name V+9V_A V+9V_A V+9V_AS V+9V_AS RXDA (TXD_DT) TXD_DT (RXDA) TXDA (RXD_DT) RXD_DT (TXDA) INPUT3_Lch INPUT3_Lch DT_FNC DT_FNC...
  • Page 64 R07 DT Assy MAIN Assy 42E AUDIO Assy MAIN Assy CN4000 (AKM1348) CN4014 (AKM1354) CN3752 (KM200NA11) CN4007 (KM200NA11) Voltage Voltage Pin Name Pin Name Pin Name Pin Name PSW_A PSW_A SDA_AU SDA_AU SCL_AU SCL_AU A_MUTE A_MUTE A_STBY_B A_STBY_B DT_SP_R DT_SP_R AUDIO_R AUDIO_R DT_SP_L...
  • Page 65 POWER SUPPLY Unit MAIN Assy 42 & 60 LED Assy MAIN Assy P8 (B13B-PH-K-S) CN4002 (KM200NA13) CN9601 (AKP1303) CN4006 (KM200NA6) Voltage Voltage Pin Name Pin Name Pin Name Pin Name V+6_5V V+6_5V LED- LED- LED_ON LED_ON V+12V 12.1 V+12V LED_OFF LED_OFF LED_REC LED_REC...
  • Page 66 42 DIGITAL Assy 42 ADDRESS Assy 42 DIGITAL Assy 42 ADDRESS Assy CN3501 (D15) CN1501 (AD1) CN3502 (D16) CN1501 (AD1) Voltage Voltage Pin Name Function Pin Name Function – Non connection – – – Non connection – – ADR_PD Address PD signal 0 to 4 TP3501 ADR_PD...
  • Page 67 42 DIGITAL Assy 42 ADDRESS Assy 42 DIGITAL Assy 42 ADDRESS Assy CN3503 (D17) CN1501 (AD1) CN3504 (D18) CN1501 (AD1) Voltage Voltage Pin Name Function Pin Name Function – Non connection – – – Non connection – – ADR_PD Address PD signal 0 to 4 TP3503 ADR_PD...
  • Page 68 42 DIGITAL Assy Reserve CN3002 (D12) (Non connection) Pin No. Pin Name Function Voltage (V) – V+3V_D +3.3 V power supply output – V+3V_D +3.3 V power supply output – V+3V_D +3.3 V power supply output – GND_D – – –...
  • Page 69 Pin Function 42E AUDIO Assy MAIN Assy CN3752 (A2) CN4007 (M9) Pin No. Pin Name Function Remarks A_NG_B DC detection, disconnection of cable detection L : Abnormal, H : Normal – GND for small signal – AUDIO_L Small signal L ch –...
  • Page 70: Waveforms

    4.18 WAVEFORMS 42 ADDRESS Assy Control signals of resonance circuit (1 field) Input: VIDEO 60Hz Signal: COLOR BAR (MKSS17) CH1: ADR_B (side-A test plane "B") V: 2 V/div H: 2 mS/div CH2: ADR_U (side-A test plane "U") V: 2 V/div H: 2 mS/div CH3: ADR_D (side-A test plane "D") V: 2 V/div H: 2 mS/div Control signals of resonance circuit (resonance part)
  • Page 71 Incoming signals of TCP (1 field) Input: VIDEO 60Hz Signal: COLOR BAR (MKSS17) CH1: IC1555 - pin 3 (VDD2) (side-A through hole) V: 20 V/div H: 2 mS/div CH2: IC1555 - pin 9 (A3) (side-A test plane "R_E") V: 2 V/div H: 2 mS/div CH3: IC1555 - pin 16 (CLK) (side-A test plane "CLK1") V: 2 V/div H: 2 mS/div CH1: IC1555 - pin 14 (LE) (side-A test plane "LE_E")
  • Page 72 42 X DRIVE Assy, 42 Y DRIVE Assy, 42 SCAN A Assy, 42 SCAN B Assy Drive output signal (1 field) Input: VIDEO 60Hz Signal: COLOR BAR (MKSS17) CH1: R1277 (XPSUS) ↔ K1203 (SUSGND) V: 100 V/div H: 2 mS/div (42 X DRIVE Assy) CH2: K2701 (SCANOUT) ↔...
  • Page 73 Reset pulse signal Input: VIDEO 60Hz Signal: COLOR BAR (MKSS17) CH1: R1277 (XPSUS) ↔ K1203 (SUSGND) V: 100 V/div H: 200 µS/div (42 X DRIVE Assy) CH2: K2701 (SCANOUT) ↔ K2330 (SUSGND) V: 100 V/div H: 200 µS/div (42 Y DRIVE Assy) CH3: F2301 (YPSUS) ↔...
  • Page 74: Diagnosis

    5. DIAGNOSIS 5.1 TROUBLE SHOOTING 5.1.1 FLOWCHART OF FAILURE ANALYSIS FOR THE WHOLE UNIT Flowchart of Failure Analysis for The Whole Unit START Problems concerning STB status Is STB 3.3 V power supplied? Check if the cable that connects Failure analysis for the Is the STB LED lit? POWER SUPPLY Unit.
  • Page 75 Flowchart of Failure Analysis for The Whole Unit In the subsequent diagnostic steps, it is most likely that the multi base section is in failure. Problems concerning video display Failure analysis for the Is the panel mask properly drive system ⇒ DR2 displayed? Check with the animated slanting ramp mask.
  • Page 76 5.1.2 FLOWCHART OF FAILURE ANALYSIS FOR THE POWER SUPPLY UNIT Flowchart of Failure Analysis for The POWER SUPPLY Unit Failure analysis for the STB 3.3 V power is not output. POWER SUPPLY Unit. ⇒ PS1 Is the cable connected firmly to Properly connect the cable the P8 connector? between the P8 and M1 connectors.
  • Page 77: Flowchart Of Failure Analysis For The Digital Assy

    5.1.3 FLOWCHART OF FAILURE ANALYSIS FOR THE DIGITAL ASSY Flowchart of Failure Analysis for The DIGITAL Assy Failure analysis for the DIGITAL Assy ⇒ DG1 • If the OSD is not properly displayed although the panel mask is properly displayed, The on-screen display (OSD) is a failure exists in the path from the output of IC8201 on the MAIN Assy to IC3401 on the DIGITAL Assy.
  • Page 78: Flowchart Of Failure Analysis For The Drive Assy

    5.1.4 FLOWCHART OF FAILURE ANALYSIS FOR THE DRIVE ASSY Flowchart of Failure Analysis for The Drive Assy Failure analysis for the drive system ⇒ DR1 Reset lighting is not displayed. X/Y DRIVE Assys Is the waveform normal when the Are the FFC cables properly Properly connect the FFC cables.
  • Page 79 Flowchart of Failure Analysis for The Drive Assy Failure analysis for the drive system ⇒ DR2 Abnormality across the whole screen, such as luminescent spots Because it is difficult to identify which drive is in failure, follow the flowchart below to check each Assy. ADDRESS Assy Y DRIVE Assy / SCAN A, B Assy X DRIVE Assy...
  • Page 80 X DRIVE Assy Are all the connectors properly Reconnect the connectors. connected? Is the VXNRST set voltage Set the VXNRST voltage correctly. (-180 V) correctly set? Another Assy may be in failure. Is the waveform normal when the voltage is applied to the panel? (See the oscilloscope photos.) Is the input signal normal? Replace the FFC cables.
  • Page 81 Failure analysis for the drive system ⇒ DR3 Diagnose the ADDRESS Assy. The abnormality is associated with one address or one TCP? Is the TCP control signal normal? Are the FFC cables properly Properly connect the FFC cables. (See the oscilloscope photos.) connected? If the FFC cable that connects the DIGITAL and ADDRESS Assys is in failure, the abnormality is associated with one address in most cases.
  • Page 82: Flowchart Of Failure Analysis For The Main Assy

    5.1.5 FLOWCHART OF FAILURE ANALYSIS FOR THE MAIN ASSY Flowchart of Failure Analysis for The MAIN Assy Failure analysis for the MAIN Assy. ⇒ MA1 The STB LED does not light although STB 3.3 V power is supplied. Is the M1 connector securely Securely connect the M1 connector.
  • Page 83: Flowchart Of Failure Analysis For The Video System

    5.1.6 FLOWCHART OF FAILURE ANALYSIS FOR THE VIDEO SYSTEM Flowchart of Failure Analysis for The Video System ⇒ MA3 The input signal is not displayed. Is the Terrestrial analog signal ⇒ ATV not displayed? Is the composite signal input not ⇒...
  • Page 84 Flowchart of Failure Analysis for The Video System ⇒ ATV Image for the Terrestrial analog signal is not displasyed. Is the selected input signal a Select a Terrestrial analog signal? Terrestrial analog signal? Has the signal arrived at emitter Has the signal arrived at Has the signal arrived at C4533? Replace the U4501.
  • Page 85 Flowchart of Failure Analysis for The Video System ⇒ COMP/S1 Image for the composite or S-video signal is not displasyed. Is the function correspondeing to Select the corresponding signal selected signal input selected? with the Input selector. Check the flexible cable between CN8802 and CN4004. Has the signal arrived at IC4701? Replace the FFCs or cables.
  • Page 86 Flowchart of Failure Analysis for The Video System ⇒ RGB Image for the RGB input signal is not displasyed. Is the function correspondeing to Select the corresponding signal selected signal input selected? with the Input selector. Which signal is not output, Is the screen of main side Specifications that does not main or sub signal?
  • Page 87 Flowchart of Failure Analysis for The Video System No video from component ⇒ COMP/PC1 Image for the component signal is not displayed. Is the function corresponding to Select the corresponding signal selected signal input selected? with the input selector. Check the flexible cables between the CN8802 Has the signal arrived at IC4901 ? and CN4004 or between CN9003 and CN4005 Replace the flexible cable.
  • Page 88 Flowchart of Failure Analysis for The Video System ⇒ COMP/PC2 Image for the PC signal is not displayed. Is the function corresponding to Select the corresponding signal selected signal input selected? with the input selector. Has the signal arrived at IC4901 ? Check the flexible cable between the CN9301 Replace the flexible cable.
  • Page 89 Flowchart of Failure Analysis for The Video System DTV doesn't work ⇒ DTV DTV (Digital Terrestrial Video) doesn't operate. Is the function corresponding to Select the corresponding signal selected signal input selected? with the input selector. Has the symptom been settled Poor contact of the terminal part when the Digital RF IN terminal or input cable is defective.
  • Page 90: Flowchart Of Failure Analysis For The Audio System

    5.1.7 FLOWCHART OF FAILURE ANALYSIS FOR THE AUDIO SYSTEM Flowchart of Failure Analysis for The Audio System ⇒ AU1 Has the sound been emitted from Is sound muting set? Cancel muting, then check again. the speakers? Is the volume set to 0? Raise the volume, then check again.
  • Page 91 Has the sound been emitted from Is sound muting set? Cancel muting, then check again. the Headphones? Is the volume set to 0? Raise the volume, then check again. Is a signal output from IC4701? Check the communications around the IC4701 and between the IC4701 (pins 31, 32) and the microcomputer.
  • Page 92 Flowchart of Failure Analysis for The Audio System Check the communications around Is a signal input to IC4701? NG Replace the U4501 (FE) and Has the sound of the Analog the U4501 (FE) and between the (pins 22, 23) broadcasting output? repair the failure points.
  • Page 93: Diagnosis Of Pd (Power-Down)

    5.2 DIAGNOSIS OF PD (POWER-DOWN) 5.2.1 BLOCK DIAGRAM OF THE POWER-DOWN SIGNAL PDP-427XD...
  • Page 94: Diagnosis Of The Pd (Power-Down)

    5.2.2 DIAGNOSIS OF THE PD (POWER-DOWN) Prediction of failure symptoms when a PD (power-down) is generated LED Flashing PD Circuit Checkpoint Main Cause Count Power supply PD POWER SUPPLY Unit Failure in the POWER SUPPLY Unit SCAN A, B Assy SCAN IC is damaged (short-circuiting between VH and GNDH) Connectors disconnected between the POWER SUPPLY Unit and the Y DRIVE Assy SCAN PD...
  • Page 95 How to identify the cause of a power-down that is indicated by 2-times flashing of the red LED The cause of a power-down that is indicated by 2-times flashing of the red LED can be identified by performing the steps 1 to 3 below: 1 Visual check with the power off 2 Tester check with the power off...
  • Page 96 X Drive PD system Reference voltage Resonance center XSUS_PD comparison electric potential XDRIVE_PD 16.5V Detects disconnection of flexible cables. Increase or decrease voltage detection XDD_PD Operation detection VF15V (Increase or decrease voltage detection) Y Drive PD system Resonance center Reference voltage YSUS_PD electric potential comparison...
  • Page 97: Diagnosis Of Sd (Shutdown)

    5.3 DIAGNOSIS OF SD (SHUTDOWN) 5.3.1 BLOCK DIAGRAM OF THE SHUTDOWN SIGNAL PDP-427XD...
  • Page 98 5.3.2 SD (SHUTDOWN) DIAGNOSIS PDP-427XD...
  • Page 99: Information On Symptoms That Do Not Constitute Failure

    8 bits each. In a case of color difference 4:2:2, Y, Cb, and Cr use 12 bits each, but Cb and Cr are transmitted at a half sampling rate of Y. This unit is capable of processing the upper 10 bits out of 12 bits of video data. Recent high-end DVD players, such as Pioneer DV-79AVi, are capable of outputting 10-bit color- difference signals.
  • Page 100: Disassembly

    6. DISASSEMBLY 6.1 PCB LOCATION SIDE KEY Assy 42E AUDIO Assy SENSOR Assy SIDE Assy SUS CLAMP 1 Assy POWER SUPPLY Unit 42 DIGITAL Assy 42 Y DRIVE Assy 42 X DRIVE Assy PDP-4270XD, PDP-427XD only R07 DT Assy MAIN Assy PDP-427XD, PDP-427XA only 42 ADDRESS...
  • Page 101: Disassembly

    6.2 DISASSEMBLY Note: Even if the unit shown in the photos and illustrations in this manual may differ from your product, the procedures described here are common. Chart of removal order for the main parts and boards It is efficient to proceed with removal of the main parts and boards in the order shown in the chart below: Function button panel SIDE KEY...
  • Page 102 Disassembly Rear Case (427) Function button panel SIDE KEY Assy Remove the two screws. Remove the function button panel. Side input cover Remove the two screws. Function button panel Side input cover Remove the side input cover. Power button holder Remove the two screws.
  • Page 103 Access to PCB Assys SIDE Assy Side input shield SIDE Assy Remove the four screws. Remove the two screws. Remove the three screws. Remove the side input panel (E). 42 X DRIVE Assy Function button shield SIDE KEY Assy Side input panel (E) Remove the two screws.
  • Page 104 Terminal Panel B Remove the 10 screws. Remove the 10 screws. Remove the three screws. Remove the terminal panel B. ×10 Terminal panel B Front Case Assy Remove the one screw. Remove the two screws. TANSHI Assy Be sure not to lose the front collar.
  • Page 105 Speaker Box Assy L and R Speaker Box Assy L Disconnect cables, connectors, as required. Remove the two screws. Remove the one screw. Remove the one screw. Remove the speaker box Assy L. Speaker Box Assy R Remove the one screw. Remove the switch holder.
  • Page 106 Exchange of SCAN IC Loosen the jumper wire. Remove the LED IR Assy by removing the one nyron rivet. Remove the locking wire saddle. Remove the two screws. Unhook the six hooks. Remove the panel holders V1 (427) and V2 (427). Locking wire saddle LED IR Assy...
  • Page 107: Adjustment

    7. ADJUSTMENT 1. At shipment, the unit is adjusted to its best conditions. Normally, it is not necessary to readjust even if an assembly is replaced. If the adjustment is shifted or if it becomes necessary to readjust because of part replacement, etc., perform the adjustment as described below. 2.
  • Page 108: Adjustment Required When Part Is Replaced

    R2S11001FT IC5101 MAIN VDEC UPD64015GM-UEU AWV2318 (PDP-427XD MAIN Assy IC5103 SUB VDEC TVP5150AM1PBS and PDP-427XA) AWV2320 (PDP-4270XD IC5301 A/D Converter AD9985KSTZ-110 and PDP-4270XA) IC5403 EEPROM BR24L02FJ-W IC5404 EEPROM BR24L02FJ-W IC8202 Flash ROM AGC1019 IC8301 Flash UCOM AGC1016 IC8402 Flash ROM...
  • Page 109 7.3 BACKUP WHEN THE PANEL UNIT IS ADJUSTED Outline Adjustment data are stored in the EEPROM (IC3156/4K) on the DIGITAL Assy in the production process. Those adjustment data are also automatically stored in the EEPROM (for backup: IC3652) on the SENSOR Assy. If the DIGITAL Assy is replaced, those adjustment data for backup can be copied from the EEPROM on the SENSOR Assy to a new DIGITAL Assy.
  • Page 110 2. When a secondhand DIGITAL Assy that had been mounted in another product is to be reused As adjustment data for another product are already stored in the secondhand DIGITAL Assy, first delete those data then copy the backup data stored in the EEPROM on the SENSOR Assy. (1) Copying, using the Factory menu 1 Plug in the AC cord, press the Power switch on the unit to set it to ON, then enter Standby mode.
  • Page 111 3. In a case where normal backup data are not stored in the backup EEPROM because the EEPROM on the DIGITAL Assy is defective, etc., and where manually adjusted values are to be applied to the product Note: In this section, it is assumed that settings for various items have been completed, using Factory menu or RS-232C commands.
  • Page 112 7.4 HOW TO CLEAR HISTORY DATA Clearance of various logs after the Assys are replaced Besides adjustment data, data on accumulated power-on time and logs on defective parts of the product are backed up. Some of those data must be cleared after the Assys are replaced for service. (1) Clearance of logs, using the RS-232C commands When the POWER When the Other...
  • Page 113: Adjustment When The Service Panel Assy Is Replaced

    7.5 ADJUSTMENT WHEN THE SERVICE PANEL ASSY IS REPLACED When the Panel Assy is replaced with one for service, the following adjustments are required: Adjustments of Vofs voltage and Vyprst voltage Enter the reference adjustment values for the Vofs voltage and Vyprst voltage that are written on the label attached to the panel for service.
  • Page 114 Conversion charts for electronic VRs (Vprst/Vofs) Vprst Setting value Vprst Setting value Vprst Setting value Vofs Setting value Vofs Setting value [ V ] [ STEP ] [ V ] [ STEP ] [ V ] [ STEP ] [ V ] [ STEP ] [ V ] [ STEP ]...
  • Page 115: Service Factory Mode

    8. SERVICE FACTORY MODE 8.1 OUTLINE OF THE SERVICE FACTORY 8.1.1 SERVICE FACTORY MODE TRANSITION CHART Standby mode Power supply ON mode FACT <AA5F> FACT <AA5F> FACT <AA5F> POWER <AA1C/AA1B> MENU <AA8B> FACT [FAY] [POF] MENU <AA5B+AF20> [FAN] Effective IR in Factory mode •...
  • Page 116: Remote Cotrol Code

    (Note 2) When ten seconds have passed since the [DRIVE ON/OFF] key was pressed at the standby, it becomes invalid. Please press [POWER] key from the [DRIVE ON/OFF] key pressing within ten seconds when you do power supply ON while driven OFF. Remote control unit PDP-427XD PDP-427XA PDP-4270XD PDP-4270XA for Servicing PDP-427XD...
  • Page 117: Factory Hierarchical Table

    8.1.5 FACTORY HIERARCHICAL TABLE Large Item Variable / Adjustment Range Remarks Middle Item Small Item 8.2.1 INFORMATION 8.2.1.1 VERSION (1) 8.2.1.2 VERSION (2) 8.2.1.3 MAIN NG CLEAR <=> OFF <=> ON 8.2.1.4 TEMPERATURE 8.2.1.5 HOUR METER 8.2.1.6 HDMI SIGNAL INFO 1 8.2.1.7 HDMI SIGNAL INFO 2 8.2.1.8 VDEC SIGNAL INFO 8.2.2 PANEL FACTORY (+)
  • Page 118: Indications In Service Factory Mode

    8.1.6 INDICATIONS IN SERVICE FACTORY MODE F O R T I O – 0 1 0 – N T V – R S I Main-items – – L T I P R S – – D U L E P R S –...
  • Page 119 2 SIG Mode and Screen size (by User is displayed) 1st and 2nd characters : Resolutin of the input signal 3rd and 4th characters : Refresh rate of the input signal 5th character : Selection of the screen size 7 Input signal mode table for video signals (resolutions and V frequencies) 1st to 4th Character Signal Type Fv (Hz)
  • Page 120: Factory Menu

    8.2 FACTORY MENU 8.2.1 INFORMATION ¶ Operation items RS-232C Function/Display Context Command VERSION (1) The software versions for each microcomputer are displayed. (Common part) VERSION (2) The Flash memory versions for each device are displayed. (Individual part) MAIN NG The Shutdown Message ID/Event Times in Main Microcomputer are displayed. TEMPERATURE The Temperature/FAN rotating status in Main Microcomputer are displayed.
  • Page 121 8.2.1.2 VERSION (2) – 0 6 0 – N T V – F O R T I O R S I 2 0 D V 3 . 0 1 O R D 1 2 3 4 Step-up D / Regular D Flash Device Item Name Display Example...
  • Page 122 8.2.1.3 MAIN NG F O R T I O – 0 6 0 – N T V – 0 0 1 1 H 2 1 M – I I 0 0 0 1 H 5 0 M – I I –...
  • Page 123 F O R T I O – 0 6 0 – N T V – L E A R < = > : N O Operation: Even if [|] key or [\] key is pressed, "CLEAR ⇔ YES" ⇔ "CLEAR ⇔ NO" is repeated. If the [ENTER] key is kept on pressing for 5 second when the status of this menu is <YES>, clear process will begin.
  • Page 124: Hour Meter

    8.2.1.4 TEMPERATURE A present temperature and the FAN rotation are displayed. If either [|] key or [\] key is pressed, the display data is refreshed. – 0 1 0 – N T V – F O R T I O U R E ( C ) ( C )
  • Page 125 8.2.1.6 HDMI SIGNAL INFO (1) F O R T I O – 0 6 0 – N T V – N A L – 4 E : 8 – 4 6 : 0 – 4 F : 0 – 4 7 : 0 –...
  • Page 126 8.2.1.7 HDMI SIGNAL INFO (2) F O R T I O – 0 1 0 – N T V – N A L S : 2 S : 0 V E : L : I p i c t L : P L : P 0 8 0 O : 4...
  • Page 127 8.2.1.8 VDEC SIGNAL INFO F O R T I O – 0 6 0 – N T V – N A L – 0 0 : 0 – 1 D : 0 – 0 1 : 0 – 0 2 : 0 –...
  • Page 128 8.2.2 PANEL FACTORY Operation Items This is the menu screen for the adjustment of the panel. Data acquisition and value adjustment can be performed for the following items: Indication Description of functions 8.2.2.1 PANEL INFORMATION Data, such as the version of the microcomputer of the panel, product serial number, and statuses of memories for adjustment values for the main unit and for backup, are displayed.
  • Page 129 Details of indications in each layer • In the following examples, GUI images for a 50-inch model are indicated. Although the display areas for the menu for 42-inch and 50-inch models are different, the items to be displayed are the same. 8.2.2.1 PANEL INFORMATION •...
  • Page 130 8.2.2.3 POWER DOWN • The power-down history is displayed. The last most 8 power-down histories are displayed with the hour-meter values that indicate the hours when power-downs occurred. No other layers are nested below this layer, and there are no adjustment items.
  • Page 131 8.2.2.5 PANEL-1 ADJ (+) • Timing and voltage for the driving pulse are set. At third line of the screen, the WB (White Balance) table and frequency table indicating operation status are displayed, and at fifteenth line of the screen, the item for the upper nested layer (PANEL-1 ADJ [+]) is displayed.
  • Page 132 8.2.2.6 PANEL-2 ADJ (+) • White balance can be adjusted by adjusting R, G, and B gain. Pressing the SET key shifts the screen to the next nested layer below for item selection. 7 Key operation N E L F A C T –...
  • Page 133 8.2.2.7 PANEL REVISE (+) • A setting for panel degradation correction can be made. Pressing the SET key shifts the screen to the next nested layer below for item selection. 7 Key operation N E L F A C T –...
  • Page 134 8.2.2.8 ETC. (+) • The setting about the backup of panel adjusting value and various data on panel operational information can be cleared. Pressing the SET key shifts the screen to the next nested layer below for item selection. 7 Key operation N E L F A C T –...
  • Page 135 8.2.2.9 RASTER MASK SETUP (+) • This menu set the RASTER MASK and the drive sequence at RASTER MASK state. Pressing the SET key shifts the screen to the next nested layer below for item selection. 7 Key operation N E L F A C T –...
  • Page 136 8.2.2.10 PATTEN MASK SETUP (+) • This menu set the PATTEN MASK and the drive sequence at PATTEN MASK state. 7 Key operation N E L F A C T – 0 6 0 – R G B – <DOWN> : Shifting to COMBI MASK SETUP (+) 6 0 V S ] AREA <UP>...
  • Page 137 8.2.2.11 COMBI MASK SETUP (+) • This menu set the COMBI MASK and the drive sequence at COMBI MASK state. 7 Key operation N E L F A C T – 0 6 0 – R G B – <DOWN> : Shifting to PANEL INFORMATION 6 0 V S ] AREA <UP>...
  • Page 138: Option

    8.2.3 OPTION Operation item Function Content RS2-32C EDID WRITE MODE ⇔ DISABLE ⇔ ENABLE −−− CH PRESET ⇔ USER ⇔ FACTORY −−− 8.2.3.1 EDID WRITE MODE Exclusively used for production line. 8.2.3.2 CH PRESET Exclusively used for production line. 8.2.4 INITIALIZE Operation item Function Content...
  • Page 139 8.2.4.3 SG PATTERN I T I I Z E – 0 6 0 – N T V – T E R N < = > B A R Operation item SG Pattern (Brightness SG Pattern (Brightness Display Display IRE Level/Color) IRE Level/Color) COLOR BAR1 Colorbar (75%)
  • Page 140 8.2.4.4 SIDE MASK LEVEL I T I I Z E – 0 6 0 – N T V – M A S E V E To configure sidemask's R, G, B level (To adjust the values, input signal is required). Display Content RS-232C...
  • Page 141: Rs-232C

    (Please follow a set explanation of PC in the Com port) 9.1.2 USING RS-232C COMMANDS For the PDP-4270XD, PDP-4270XA, PDP-427XD and PDP-427XA series Plasma Displays, the circuitry is structured as shown in the diagram below to support the SR+ system. Controlling with either the SR+ system or RS-232C commands can be selected.
  • Page 142: Command Protocol

    9.1.3 COMMAND PROTOCOL Communication protocol : Asynchronous serial communication by RS-232C Start bit length : 1 bit Data width : 8 bit (ASCII codes/There is no distinction between the capital letter and the small letter) Parity : None Stop bit length : 1 bit Baud rate : 9600 bps (Fixed)
  • Page 143: Command Definition

    9.1.4 COMMAND DEFINITION Single functional command The command to which operation is concluded only by command. The command parts are 3 characters. Send data to Receive data Command Command ∗∗ 0x02 0x03 0x02 0x03 Adjustment command and adjustment value • The command to which value of parameter is changed attended with adjustment value. The command parts are 3 characters.
  • Page 144 Adjustment assistance command The Adjustment Assistance Command is combined and used with the Adjustment Command. • The Adjustment Command + Adjustment Assistance Command ⇒ It addition/subtracts it from a present adjustment value. Note: When the received command exceeds the range of the adjustment value, it changes to MAX/MIN. •...
  • Page 145: List Of Rs-232C Commands

    9.2 LIST OF RS-232C COMMANDS RS-232C commands can be used in Service Factory mode. Before using RS-232C commands, it is necessary to change the factory presetting. See "9.1 OUTLINE OF THE RS-232C". [Note ; If you want to see version infomation (ex. QS1, QS6, Factory, Menu), Please see 10 seconds after starting.] RS-232C command list Active Effective only...
  • Page 146 Active Effective only Command Last U-com Remarks Function in Factory Name Memory mode MDU MTB • • • • • • ∗∗∗ ¶ Switching the terrestrial analog signal ∗∗∗ Switching the terrestrial digital signal (EUC is Step-upD ¶ and RegularD only, and IBD is AU only) ¶...
  • Page 147 Active Effective only Command Last U-com Remarks Function in Factory Name Memory mode MDU MTB ¶ ¶ B & W, checker (4 lines) ¶ ¶ B & W, checker (8 lines) ¶ ¶ COLOR BAR ¶ ¶ Slanting lines ¶ ¶...
  • Page 148 Active Effective only Command Last U-com Remarks Function in Factory Name Memory mode MDU MTB ¶ Display one screen ¶ PsideP (Main size : normal) ¶ PinP (Right_down) ¶ PinP (Right_up) ¶ PinP (Left_up) ¶ PinP (Left_down) ¶ PsideP (Main size : center) ¶...
  • Page 149 Active Effective only Command Last U-com Remarks Function in Factory Name Memory mode MDU MTB ¶ Acquiring data related with signals ¶ ¶ S∗∗ Setting of blue level for panel degradation correction ¶ ¶ S∗∗ Setting of green level for panel degradation correction ¶...
  • Page 150 Active Effective only Command Last U-com Remarks Function in Factory Name Memory mode MDU MTB ¶ ¶ Setting the frequency in Mask mode to VD-48 Hz ¶ ¶ Setting the frequency in Mask mode to VD-50 Hz ¶ ¶ Setting the frequency in Mask mode to VD-60 Hz ¶...
  • Page 151: Outline Of Each Commands

    9.3 OUTLINE OF EACH COMMANDS 9.3.1 ACQUISITION OF PANEL STATUS • • • [QS1] Model information and version information are returned. Command Effective Operation Function Remarks Format Modes [QS1] Every Time Output of status Return data: 105 Byte Data 1: Resolution/Inch size Data Arrangement Output Example Length...
  • Page 152: Acquisition Of Panel Operation Data • • • [Qs2]

    9.3.2 ACQUISITION OF PANEL OPERATION DATA • • • [QS2] The command QS2 is for acquiring data on the panel's operational information. Command Effective Operation Function Remarks Format Modes [QS2] All operations To acquire data on operations of the panel Return data: 3 (ECO)+23(DATA)+2(CS)= 28 Byte Data Data Arrangement Output Example...
  • Page 153: Acquisition Of Other Data On The Panel • • • [Qip]

    9.3.3 ACQUISITION OF OTHER DATA ON THE PANEL • • • [QIP] The command QIP is for acquiring data on operational information of the panel. Command Effective Operation Function Remarks Format Modes [QIP] All operations To acquire data on operations of the panel Return data: 3 (ECO)+58(DATA)+2(CS)= 63 Byte Data Data Arrangement Output Example...
  • Page 154: Acquisition Of Abl/Wb Adjustment Data • • • [Qpw]

    9.3.5 ACQUISITION OF ABL/WB ADJUSTMENT DATA • • • [QPW] The command QPW is for acquiring the factory-preset data about the video of the panel. Command Effective Operation Function Remarks Format Modes [QPW] All operations To acquire data on operations of the panel Return data: 3 (ECO)+35(DATA)+2(CS)= 40 Byte Output 1: Drive sequence 12, 15: Setting for Items 12 and 15...
  • Page 155: Acquisition Of Pd Logs • • • [Qpd]

    9.3.7 ACQUISITION OF PD LOGS • • • [QPD] The command QPD is for acquiring data from the 8 latest power-down (PD) logs. Command Effective Operation Function Remarks Format Modes [QPD] All operations To acquire data on the power-down logs Return data: 3 (ECO)+80(DATA)+2(CS)= 85 Byte Data Data Arrangement...
  • Page 156: Acquisition Of Sd Logs • • • [Qsd]

    9.3.8 ACQUISITION OF SD LOGS • • • [QSD] The command QSD is for acquiring the data from the 8 latest shutdown (SD) logs. Command Effective Operation Function Remarks Format Modes [QSD] All operations To acquire data on the shutdown logs Return data: 3 (ECO)+80(DATA)+2(CS)= 85 Byte ¶...
  • Page 157 9.3.9 QS6 Induce it peculiar, individual information is acquired. Command Effective Operation Function Remarks Format Modes [QS6] Every time Output of status Data Order Part Data Arrangement Remarks Length − Received Command name 3 byte DTB version 4 byte Reserved 8 byte TELE-TEXT version 60 byte...
  • Page 158 9.3.11 QNG MTB/MB side's shutdown information is acquired. Command Effective Operation Function Remarks Format Modes [QNG] Every time Output of status Data Order Part Data Arrangement Remarks Length − Received Command name 3 byte 1st latest NG No. 1 byte Subcategory No.
  • Page 159 < No. 2 Subcategory Information on "Failure in IIC communication of Main microcomputer" > Value Shutdown Factor Remarks (Operation) Non subcategory Analog tuner1 (Front end 1) FE1 (immediately Power Supply OFF) MPX (After 3 times reset action, turn Power Supply off (except for us)) AV switch AV-SW (immediately Power Supply OFF) RGB switch...
  • Page 160 9.3.13 OTHER COMMANDS • SETTING FOR FACTORY MODE PERMISSION / PROHIBITION o o o [FAY / FAN] The commands FAY/FAN are for prohibiting/permitting panel-adjustment commands. Operation Command Remarks Effective Operation Format Control Modes Normal operation mode [FAY] Adjust command is valid. Mask indications will be forcibly turned off.
  • Page 161: General Information

    10. GENERAL INFORMATION 10.1 POWER ON SEQUENCE infrared receiver Power MOD RELAY Control Microcomputer Side Keys BUFF BUFF KEY_1 MTXD_MD KEY_2 MRXD_MD REQ_MD SR_IN IF_UCOM IC8301 MAIN_UCOM BUFF Q4005 IC8401 TXD_IF RXD_IF CE_IF BUFF REQ_IF Q8303 BUSY_IF SR_OUT SR OUT Jack JA9004 1 : The remote control (or KEY) signal is input to the IF microcomputer.
  • Page 162 Power supply status - ON V+3.3V_STB V+5.1V_STB Main Vstb B B B detect Digital l micro- Module microcomputer computer M_SW_DET MOD_RST RST2 Main microcomputer AC_DET RELAY Inv. Buf. RST3 Relay RST4 A_STBY RST2 From A V+35V PSW1 V+16.5V PSW1 V+12V V+6.5V DCDC DCDC...
  • Page 163 Power supply status - POWER button off V+3.3V_STB V+5.1V_STB Main Vstb detect Digital l micro- Module microcomputer computer M_SW_DET MOD_RST RST2 Main microcomputer AC_DET RELAY Inv. Buf. RST3 Relay RST4 A_STBY RST2 From A V+35V PSW1 V+16.5V PSW1 V+12V V+6.5V DCDC DCDC DCDC...
  • Page 164: Power Supply Transition Status

    10.2 POWER SUPPLY TRANSITION STATUS PDP-427XD...
  • Page 165: Power On/Off Function For The Large-Signal System

    10.3 POWER ON/OFF FUNCTION FOR THE LARGE-SIGNAL SYSTEM Function: It is an operational mode where the digital signal processing performs circuit operation but the power is not supplied to the panel driving system (large signal system) in order to avoid a power down. Application: 1.
  • Page 166: Led Information

    PDP-427XD only (Unit: Standby) Orange During factory operation Blue During reservation video recordings (Unit: ON) ∗1 Orange During sleep timer operation (∗2) Blue 200 msec RS-232C <=> SR+ switch Orange ∗1: PDP-4270XD and PDP-427XD types ∗2: PDP-4270XA and PDP-427XA types PDP-427XD...
  • Page 167: Specification About The Thermal Protection

    10.5 SPECIFICATION ABOUT THE THERMAL PROTECTION ∗ The change of HI / LO have hysterisis curve below. Reading Value of the Sensor and FAN Drive (Outside air 55 ºC) (Outside air 40 ºC) (Outside air 37 ºC) (Outside air 33 ºC) (Outside air 30 ºC) FAN: STOP...
  • Page 168: Processing In Abnormality

    10.6 PROCESSING IN ABNORMALITY Speaker short-circuit Circuit diagram MAIN Assy V+12V AUDIO Assy PULL_U A_NG_B A_NG_B POWER MAIN_UCOM AMP IC PULL_D Specifications for port monitoring Port Name SD/PD Indication Assigned Pin Active A_NG_B AUDIO Shutdown with L Power supply and DC-DC converter Circuit diagram MAIN Assy POWER SUPPLY Unit...
  • Page 169 Fan and temperature sensor Circuit diagram V+3V_COM MAIN Assy PULL_U TEMP2 TEMP2 SENSOR FAN.CONT Drive FAN_CONT_POW FAN_12V Circuit MAIN_UCOM V+3V_COM PULL_U FAN_NG FAN_NG1 (H act) Detection Logic DIGITAL Assy SENSOR Assy V+3V_COM PULL_U TEMP0 TEMP2 SENSOR MODULE_ UCOM Specifications for port monitoring Port Name SD/PD Indication Assigned Pin Active...
  • Page 170: Specifications

    Dimensions 1040 mm (W) x 679 mm (H) x 115 mm (D) Weight 32.1 kg (70.8 lbs.): PDP-4270XD, 29.6 kg (65.3 lbs.): PDP-427XD 31.5 kg (69.5 lbs.): PDP-4270XA, 29.0 kg (64.0 lbs.): PDP-427XA Colour System Analogue PAL/SECAM/NTSC 3.58/NTSC 4.43/PAL 60...
  • Page 171: Accessories

    Binder Assy (AEC1908) Ferrite core (ATX1039) Two operating instructions PDP-4270XA One operating Hexagonal wrench instructions Only. (Diagonal size : 6 mm) Remote control unit (AEF1029) (AXD1515: PDP-4270XD/WYVIXK5) (AXD1532: PDP-427XD/WYVIXK5) PDP-4270XD and PDP-4270XA only (AXD1541: PDP-4270XA/WYVIXK5, WYV5) (AXD1540: PDP-427XA/WYVIXK5, WYV5) PDP-427XD...
  • Page 172: Panel Facilities

    11.3 PANEL FACILITIES 11.3.1 PDP-427XD, PDP-4270XD • Front/side view Side Front Side INPUT 4 POWER ST ANDBY TIMER Viewed from the underside of the display Viewed from the front of the display • For PDP-4270XD • For PDP-427XD 1 POWER button 1 POWER button 2 POWER ON indicator 2 POWER ON indicator...
  • Page 173 • Rear view (PDP-4270XD) 10 11 12 13 ANT OUT terminal (Antenna through out) ANT (Antenna) input terminal ANT IN terminal (Antenna in for DTV) INPUT 1 terminal (SCART) Power can be supplied through thisterminal. 10 INPUT 2 terminal (SCART) DIGITAL OUT terminal (OPTICAL) 11 INPUT 3 terminal (SCART) COMMON INTERFACE slot...
  • Page 174 • Rear view (PDP-427XD) 12 13 (Terminals located on the upper edge of the compartment) PC INPUT terminal (ANALOG RGB) ANT (Antenna) input terminal ANT OUT terminal (Antenna through out) 10 INPUT 1 terminal (SCART) ANT IN terminal (Antenna in for DTV) 11 INPUT 2 terminal (SCART) Power can be supplied through thisterminal.
  • Page 175 • Remote control unit (PDP-4270XD) Point the remote control at the plasma television to operate. 5 P+/P– TV/External input mode: Selects a channel. TELETEXT mode: Selects a page. TV/DTV Sets the sound multiplex mode. RETURN Restores the previous menu screen. 8 »/«/|/\ Selects a desired item on the setting screen.
  • Page 176 • Remote control unit (PDP-427XD) This section describes the functions of the buttons available TELETEXT mode: Selects a page. when the TV mode has been selected using the SELECT 8 TV/DTV button. Switches between the TV and DTV input modes. For the buttons for controlling other equipment, see 9 SELECT "Controlling other equipment using the supplied remote...
  • Page 177: Pdp-427Xa, Pdp-4270Xa

    11.3.2 PDP-427XA, PDP-4270XA • Front / Rear (PDP-427XA) Front view (PDP-427XA) POWER STANDBY SLEEP Viewed from below of the display Viewed from the front side of the display POWER button (Side view) 10 PHONES output terminal STANDBY/ON button 11 INPUT 5 terminal (S-VIDEO)
  • Page 178 • PDP-427XA (Remote control unit) SELECT Remote control unit Switches the selection among TV, STB, DVD/DVR, and VCR, so that you can control other equipment in This section describes the functions of the buttons available connection, using the supplied remote control unit. when the TV mode has been selected using the SELECT button.
  • Page 179 • Front (PDP-4270XA) Plasma television (front) Side Front Side INPUT 4 POWER ST ANDBY SLEEP Viewed from the underside of the display Viewed from the front of the display POWER button POWER ON indicator STANDBY indicator SLEEP indicator Remote control sensor...
  • Page 180 • Rear view (PDP-4270XA) Plasma television (rear) Rear 7 8 9 AC IN terminal INPUT 3 terminal (HDMI) RS-232C terminal (used for factory setup) ANT (Antenna) input terminal INPUT 1 terminal (SCART) INPUT 2 terminal (SCART) INPUT 3 terminal (SCART)
  • Page 181 • Remote control unit (PDP-4270XA) Remote control unit P + / P - TV/External input mode: Selects a channel. Point the remote control at the plasma television to operate. TELETEXT mode: Selects a page. Sets the sound multiplex mode. RETURN Restores the previous menu screen.
  • Page 182: Ic Information

    12. IC INFORMATION • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. List of IC SN755870KPZT, PEE002A, R2S11002AFT, R2S11001FT, UPD64015AGM-UEU, AD9985KSTZ-110, SII9023CTU, LTC3414EFE, LTC3412EFE, S-1170B25UC-OTA, S-1170B15UC-OTK, NJU26901E2 SN755870KPZT (42 SCAN A ASSY: IC2701 to IC2706) (42 SCAN B ASSY: IC2801 to IC2806) •...
  • Page 183 Pin Function Pin Name Pin Function 1 - 30 OUT3 - OUT32 High-voltage push-pull output − N.C. Not used − 32 - 33 Power for High-voltage circuit − N.C. Not used − 35 - 37 GND1 − N.C. Not used −...
  • Page 184 PEE002A (42 ADDRESS ASSY: IC1501) • LVDS Receiver Pin Arrangement (Top view) Pin Function I/O Type Signal I/O Type Signal I/O Type Signal LRGND SOT4L bb_silcdhsip_7c19a RAMP1 SOT4L bb_silcdhsip_7c19a RAPP1 SOT4L SOT4L bb_silcdhsip_7c19a RBMP1 SOT4L SOT4L bb_silcdhsip_7c19a RBPP1 SOT4L LRVDD SOT4L ADRSV2 bb_silcdhsip_7c19a...
  • Page 185 R2S11002AFT (MAIN ASSY: IC4701) • AV SW Block Diagram PDP-427XD...
  • Page 186 R2S11001FT (MAIN ASSY: IC4901) • Component SW IC Block Diagram PDP-427XD...
  • Page 187 UPD64015AGM-UEU (MAIN ASSY: IC5101) • Video Decoder (for main screen) Pin Arrangement (Top view) DVDD1 DVDD3 DYMI ROY8 DCGI ROY9 DCBI ROY10 DCRI ROY11 AVDD1 ROY12 ATS1 ROY13 ATS2 DVDD1 AVDD3 DGND ATS3 ROFDIE AGND FCLK8 AGND FCKM AGND DVDD1 VCLY RGRED VCOM1...
  • Page 188 Block Diagram PDP-427XD...
  • Page 189 Pin Function 2.1 Power supply/ground terminal Acronyms Terminal number Level Buffer type Functions PU/PD [kΩ] AVDD1 – – – Analog 1.5V power supply Connect to the 1.5V power supply. Separate it from the other terminals via a filter. AVDD3 – –...
  • Page 190 Pin Function 2.3 I2C bus interface terminal Acronyms Terminal number Level Buffer type Functions PU/PD [kΩ] RGRED LVTTL 6 mA C register lead flag output (Active-Low) N-ch open drain LVTTL Fail-safe C bus clock input Connect to the SCL line of the system. LVTTL Fail-safe C bus data input/output...
  • Page 191 Pin Function 2.5 Clock generator terminal Acronyms Terminal Level Buffer type Functions number PU/PD [kΩ] Analog – Reference clock input Connect 24.576MHz crystal oscillator. Analog – Reference clock output Connect 24.576MHz crystal oscillator. BCLK8 LVTTL 6 mA Subsequent stage line lock clock monitor input/output 3-state It will become Hi-Z when BCK8OUT (SA1Fh, D5)=0.
  • Page 192 Pin Function 2.8 ADC1 section terminal Acronyms Terminal number Level Buffer type Functions PU/PD [kΩ] Analog – ADC1 composite/Y signal input Input the image signal by cutting the capacity. ASYI Analog – ADC1 composite/Y signal input Input the image signal by cutting the capacity. ACYI Analog –...
  • Page 193 Pin Function 2.10 ACD3 section terminal Acronyms Terminal number Level Buffer type Functions PU/PD [kΩ] ACBI Analog – ADC3 color difference component Cb signal input Input the image signal by cutting the capacity. Analog – ADC3 RGB component B signal input Input the image signal by cutting the capacity.
  • Page 194 Pin Function 2.13 Digital image input/output terminal Acronyms Terminal number Level Buffer type Functions PU/PD [kΩ] Digital 8/10 bit Cb, Cr output/input at the time of µPD64031A FDIO0-FDIO9 112,113,116, LVTTL 6 mA 117,118,119, 3-state digital connection. 121,122,123, It will become Hi-Z when FDIOS[2:0] (SA22h, D6-D4)=000b. Leave it open when not in use.
  • Page 195 Pin Function 2.15 Memory interface terminal Acronyms Terminal number Level Buffer type Functions PU/PD [kΩ] SDRABP LVTTL 3 mA All bank pre-charge output for external memory 3-state (Active-High) SDRCLK LVTTL 9 mA Clock output for external memory 3-state SDRCKE LVTTL 3 mA Clock enable output for external memory 3-state...
  • Page 196 AD9985KSTZ-110 (MAIN ASSY: IC5301) • ADC Pin Arrangement (Top view) 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 PIN 1 GREEN <7> INDICATOR GREEN <6> REF BYPASS GREEN <5> GREEN <4>...
  • Page 197 Pin Function Pin Type Mnemonic Function Value Pin No. Inputs Analog Input for Converter R 0.0 V to 1.0V Analog Input for Converter G 0.0 V to 1.0V Analog Input for Converter B 0.0 V to 1.0V HSYNC Horizontal SYNC Input 3.3 V CMOS VSYNC Vertical SYNC Input...
  • Page 198 Pin Function Function Name OUTPUTS HSOUT Horizontal Sync Output A reconstructed and phase-aligned version of the Hsync input. Both the polarity and duration of this output can be programmed via serial bus registers. By maintaining alignment with DATACK and Data, data timing with respect to horizontal sync can always be determined.
  • Page 199 Pin Function Function Name SOGIN Sync-on-Green Input This input is provided to assist with processing signals with embedded sync, typically on the Green channel. The pin is connected to a high speed comparator with an internally generated threshold. The threshold level can be programmed in 10 mV steps to any voltage between 10 mV and 330 mV above the negative peak of the input signal.
  • Page 200 SiI9023CTU (MAIN ASSY: IC5401) • HDMI Rx Pin Arrangement (Top view) CGND CGND CVCC18 CVCC18 IOGND R0PWR5V IOVCC R1PWR5V MUTEOUT DSCL0 SPDIF DSDA0 CVCC18 DSCL1 CGND DSDA1 RSVD CSCL RSVD CSDA RSVD IOVCC IOGND CGND CVCC18 CVCC18 MCLKOUT CGND IOVCC IOGND CGND CVCC18...
  • Page 201 Pin Function Pin Name Pin Function Data enable HSYNC H. sync. output control VSYNC V. sync. output control − IOGND I/O GND − IOVCC I/O VCC − Non connection − Non connection − Non connection EVNODD EVEN/ODD field indicator − Non connection −...
  • Page 202 Pin Function Pin Name Pin Function R0X2- TMDS input data R0X2+ TMDS input data − AGND TMDS analog GND − TMDSPGND TMDS PLL GND − PVCC1 TMDS port 1 PLL VCC − RSVD_A Reserved − AVCC TMDS analog VCC R1XC- TMDS input clock R1XC+ TMDS input clock...
  • Page 203 Pin Function Pin Name Pin Function 101 RSVDL Reserved, Low fixing 102 RESET# Reset, active Low 103 SCTD Display active video with the HDMI input port 104 INT Interruption output − 105 CVCC18 Digital logic VCC (1.8 V) − 106 CGND Digital logic GND 107 CLK48B I/O Data bus latch enable...
  • Page 204: Block Diagram

    LTC3414EFE (MAIN ASSY: IC4102) • Regulator IC Pin Arrangement (Top view) PGND PGND SYNC/MODE RUN/SS PGOOD SVIN SGND PVIN PVIN PGND PGND Block Diagram SVIN SGND EXPOSED PAD PVIN PVIN PMOS CURRENT COMPARATOR SLOPE 0.8V VOLTAGE COMPENSATION REFERENCE RECOVERY BCLAMP P-CH ERROR AMPLIFIER...
  • Page 205 LTC3412EFE (MAIN ASSY: IC4103) • Regulator IC Pin Arrangement (Top view) SVIN PVIN PGOOD PGND PGND SYNC/MODE RUN/SS SGND PVIN Block Diagram SVIN SGND PVIN PVIN PMOS CURRENT COMPARATOR SLOPE 0.8V VOLTAGE COMPENSATION REFERENCE RECOVERY BCLAMP P-CH ERROR AMPLIFIER SLOPE COMPENSATION BURST SYNC/MODE...
  • Page 206 S1170B25UC-OTA (MAIN ASSY : IC4105) S1170B15UC-OTA (MAIN ASSY : IC4106) • Regulator IC Pin Function Pin Arrangement (Top view) No. Pin Name I/O Pin Function ON/OFF Power OFF pin ON/OFF 1 VOUT − Ground − Non connection VSS 2 Voltage input VOUT O Voltage output NC 3...

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