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Pioneer PDP-502MX Service Manual

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PLASMA DISPLAY
PDP-502MX
PDP-502MXE
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
PDP-502MX
LUCBW
YVLDK
--
This service manual should be used together with the following manual(s):
Model
PDP-502MX
CONTENTS
1. SAFETY INFORMATION .................................... 2
BLOCK DIAGRAM ............................................ 18
4. PCB DIAGRAM ................................................. 42
PCB PARTS LIST ............................................. 42
6. ADJUSTMENT .................................................. 62
PIONEER CORPORATION
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 1999
PDP-502MXE
--
AC120V
AC220-240V
Order No.
ARP3044
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
Power Requirement
7. GENERAL INFORMATION .............................. 76
7.1 DIAGNOSIS ................................................ 76
7.1.1 DIAGNOSIS METHOD ...................... 76
7.1.2 DISASSEMBLY ................................. 86
7.1.3 WIRING ............................................. 88
....................................................... 91
PROVISIONAL
Remarks
Remarks
O-ZZR SEPT. 1999 Printed in Japan

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  • Page 1: Table Of Contents

    PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 1999 O–ZZR SEPT.

  • Page 2: Safety Information

    PDP-502MX, PDP-502MXE 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.
  • Page 3 1.2 PRODUCT SAFETY NOTICE Plug the AC line cord directly into an AC power source (do not use Many electrical and mechanical parts in PIONEER set have special an isolation transformer for this check). safety related characteristics. These are often not evident from Turn the AC power switch on.
  • Page 4 PDP-502MX, PDP-502MXE 1.3 CHARGED SECTION AND HIGH VOLTAGE GENERATING POINT 7 Charged Section 7 High Voltage Generating Point The places where the commercial AC power is used without The places where voltage is 100V or more except for the charged passing through the power supply transformer.
  • Page 5 PDP-502MX, PDP-502MXE...

  • Page 6: Exploded Views And Parts List

    PDP-502MX, PDP-502MXE 2. EXPLODED VIEWS AND PARTS LIST NOTES : Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List. mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 7 See contrast table (2) Remote Control Unit AXD1446 (CU-V159) Battery Cover AZN2098 AA (R6/UM-3) Batteries VEM1011 (2) CONTRAST TABLE PDP-502MX/LUCBW and PDP-502MXE/YVLDK are constructed the same except for the following: Part No. Mark Symbol and Description Remarks PDP-502MX PDP-502MXE LUCBW YVLDK...
  • Page 8 PDP-502MX, PDP-502MXE 2.2 REAR CASE SECTION 23 (MX) 27 (MXE) 27 (MX) 23 (MXE) PDP-502MXE Only PDP-502MX Only PDP-502MX Only 19 (MX) 30 (MXE) PDP-502MXE PDP-502MX Only Only PDP-502MX Only Refer to "2.3 EXTERIOR (1/3)".
  • Page 9 See contrast table (2) Terminal Label B See contrast table (2) Bolt Caution Label See contrast table (2) (2) CONTRAST TABLE PDP-502MX/LUCBW and PDP-502MXE/YVLDK are constructed the same except for the following: Part No. Mark Symbol and Description Remarks PDP-502MX...
  • Page 10 PDP-502MX, PDP-502MXE 2.3 EXTERIOR (1/3) PDP-502MX Only Refer to "2.4 EXTERIOR (2/3)". PDP-502MX Only Refer to "2.6 FRONT CASE SECTION".
  • Page 11 AMR3200 PCB Mold AMR2115 2P Earth Plate ANK1156 Fan Cushion AEC1840 Screw ABZ30P140FMC (2) CONTRAST TABLE PDP-502MX/LUCBW and PDP-502MXE/YVLDK are constructed the same except for the following: Part No. Mark Symbol and Description Remarks PDP-502MX PDP-502MXE LUCBW YVLDK VIDEO ASSY...
  • Page 12 PDP-502MX, PDP-502MXE 2.4 EXTERIOR (2/3) Refer to "2.5 EXTERIOR (3/3)".
  • Page 13 AEB1341 …………………………… IR RECEIVER ASSY AWZ6399 Power Switch (S1) BSM1006 CONTROL ASSY AWZ6414 (2) CONTRAST TABLE PDP-502MX/LUCBW and PDP-502MXE/YVLDK are constructed the same except for the following: Part No. Mark Symbol and Description Remarks PDP-502MX PDP-502MXE LUCBW YVLDK AC Inlet with Filter (CN1)
  • Page 14 PDP-502MX, PDP-502MXE 2.5 EXTERIOR (3/3) (×40)
  • Page 15 Silicone Sheet AEH1028 Circuit Board Spacer AEC1744 Earth Plate (KN1, KN2) ANK-142 Locking Spacer AEC1796 (2) CONTRAST TABLE PDP-502MX/LUCBW and PDP-502MXE/YVLDK are constructed the same except for the following: Part No. Mark Symbol and Description Remarks PDP-502MX PDP-502MXE LUCBW YVLDK...
  • Page 16 PDP-502MX, PDP-502MXE 2.6 FRONT CASE SECTION...
  • Page 17 Panel Shield VM ANK1605 Pioneer Seal See contrast table (2) Screw BBZ30P080FMC Shield ANK1640 (2) CONTRAST TABLE PDP-502MX/LUCBW and PDP-502MXE/YVLDK are constructed the same except for the following: Part No. Mark Symbol and Description Remarks PDP-502MX PDP-502MXE LUCBW YVLDK Front Case...

  • Page 18: Overall Connection Diagram And Block Diagram

    PDP-502MX, PDP-502MXE 3. OVERALL CONNECTION DIAGRAM AND BLOCK DIAGRAM 3.1 OVERALL CONNECTION DIAGRAM (1/2) DIGITAL VIDEO ASSY CN2301 DIGITAL VIDEO ASSY DIGITAL VIDEO ASSY CN3403 CN3404 DIGITAL VIDEO ASSY CN3402 PDP-502MXE Only VIDEO ASSY (AWZ6441: PDP-502MX) (AWZ6448: PDP-502MXE) DIGITAL VIDEO ASSY...
  • Page 19 PDP-502MX, PDP-502MXE Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "PCB PARTS LIST". FAN CABLE B DIGITAL VIDEO ASSY FAN CABLE A ASSY CN3283 ASSY (AWZ6404) (AWZ6403) SENSOR A ASSY (AWZ6400) OTL CONTROL (A)
  • Page 20 PDP-502MX, PDP-502MXE 3.2 OVERALL CONNECTION DIAGRAM (2/2) To PLASMA PANEL ASSY CABLE ASSY (1) CABLE ASSY (2) CABLE ASSY (3) (AWV1816) (AWV1816) (AWV1816) UCOM ASSY VIDEO ASSY UCOM ASSY CN3929 CN3404 CN3929 UCOM ASSY CN3921 VIDEO ASSY CN2001 UCOM ASSY...
  • Page 21 PDP-502MX, PDP-502MXE CABLE ASSY (4) CABLE ASSY (5) (AWV1816) (AWV1816) UCOM ASSY UCOM ASSY UCOM ASSY CN3926 CN3929 CN3926 UCOM ASSY CN3926 UCOM ASSY CN3916 UCOM ASSY CN3930 Y DRIVE ASSY UCOM ASSY (AWV1818) CN3608 UCOM UCOM ASSY ASSY CN3617...
  • Page 22 PDP-502MX, PDP-502MXE Each Flexible Flat Cable Terminal Name...
  • Page 23 PDP-502MX, PDP-502MXE...
  • Page 24 PDP-502MX, PDP-502MXE 3.3 BLOCK DIAGRAM 3.3.1 OVERALL BLOCK DIAGRAM VADR VADR VADR VADR VADR VADR CLKB CLKB CLKB CLKB CLKB CLKB VADR VADR VADR Gen. Gen. Gen. VADR VADR VADR U/B/ U/B/ U/B/ 3.3V 3.3V CABLE ASSY VF D-D CON...
  • Page 25 PDP-502MX, PDP-502MXE VADR VADR VADR VADR VADR SCAN MOD CLKB CLKB CLKB CLKB CLKB VADR VADR Gen. Gen. IC5V VADR VADR U/B/ U/B/ 3.3V 3.3V 3.3V PULSE CABLE ASSY IC5V TOP ADR DAT (64bit * RGB * 20) PULSE Xtal...
  • Page 26 PDP-502MX, PDP-502MXE 3.3.2 VIDEO ASSY SECTION To Y/C SEPA ASSY CN702 YC6 To CONTROL ASSY To Y/C SEPA ASSY CN4703 CN701 YC9 IC651 CN302 CN104 CN203 9V_SIG 5V_PIC 5V_PIC Y/B–Y/R–Y DECODER SYNC SEPA. FNC_1 B–Y TV JUNGLE IC IC1201 IC102 R–Y...
  • Page 27 PDP-502MX, PDP-502MXE Screen K2904 K2903 K2901 AD OUT IP Process (VD) (HD) (CLK) NTSC 15.734k 40.28M Single (A) +5AD Reg. Wide 15.625k 53.63M Single (A) Video: Dual Output PC: Single Output K2404 +5AD 48.36k 32.50M Dual (A/B) Through CN2901 XGA (60)
  • Page 28 PDP-502MX, PDP-502MXE 3.3.3 SYNC SIGNAL PROCESSING BLOCK SYNC CONTROL PLD Noise cancel processing IC2005(PE9006A) Countermeasure for copy guard Limit to U-com processing velocity (Max: 200kHz) Noise IC2004(2/2) HD_MASK Mask TC74VHC123 Gate Control signal for switching MASK_DSW mask width (Lo : In PC input)
  • Page 29 PDP-502MX, PDP-502MXE Sampling clock for A/D (differential output) PLL output HD for A/D sampling & clock SYNC reference K2708 ADCK+ K2702 DIVOUT K2706 K2029 IC2401 ADCK- HD_PLL IC2402 IC2403 PLL IC K2709 ( CXA3256R ) PLL input HD IC2701 RST+...
  • Page 30 PDP-502MX, PDP-502MXE 3.3.4 DIGITAL VIDEO ASSY SECTION +3.3V +3.3V CN3403 (IC#101) Y (8bit) R (B) IC1901 Pb (8bit) IC1951 (PE5066A) WRITE CLK (SYSTEM CLK) Pr (8bit) IP PROCESSOR (UPD4811650GF-A10) G (B) 16M SGRAM B (B) X Speed +3.3V TP3413 Process...
  • Page 31 PDP-502MX, PDP-502MXE VACANT +3.3V +3.3V (IC#22) To Panel U-com DATA IC2602 EM CLK) ARRANGE (HY58163210TQ-10) 16M SGRAM DATA CONVERT X3201 +3.3V 62MHz CONT IC2603 (HY58163210TQ-10) IC2601 16M SGRAM (PE5063A) 16bit × 2 SUB FIELD (IC#21) CONVERSION VLD_A VLD_B FIELD K CONT +3.3V...
  • Page 32 PDP-502MX, PDP-502MXE...
  • Page 33 PDP-502MX, PDP-502MXE...
  • Page 34 PDP-502MX, PDP-502MXE 3.3.7 Y DRIVE ASSY SECTION IC5V IC3660 K3760 IC3654 K3764 SCAN BLOCK IC3655 K3765 IC5V PSUS R3752 IC3656 IC3657 SI DATA IC3752 (1/2) K3766 (TC74VHC541) K3767 IC3658 IC3753 (1/2) (TC74VHC541) IC3659 R3755 IC3755 IC3751 LBLK (PDT043A) (TC74ACT541) IC3753 (2/2)
  • Page 35 PDP-502MX, PDP-502MXE SUSTAIN BLOCK PDP Pulse Module IC3604 IC3606 IC3601 (STK795-120B) VSUS IC3611 (M611-TLB) (175V) + 5V K3703 VDD1 REG. SUS-OUT VSUS 175V SUS-B SUSOUT SUS-U VDD2 SUS-D VSUS/2 IC3602 (M611-TLB) IC3615 SUS-G SUSGND VSS2 PDP Pulse Module IC3605 (STK795-120B)
  • Page 36 PDP-502MX, PDP-502MXE 3.3.8 UCOM ASSY SECTION M.R. (C.B.) PM_ST PROM CONNECTION 24LC01B DETECT CIRCUIT ∗GRN ∗RED ∗YLW Jungle IC DRIVE/CONTROL TB1227BN CIRCUIT MATRIX IC ∗KEY KEY (MONITOR) KEY SCAN uCOM. CXA2101 PD5136 MR_KEY (SYSTEM) MR_KEY MEDIA CCD/TELTEXT RECEIVER REM_MP TPU3050...
  • Page 37 PDP-502MX, PDP-502MXE Pin Function PDP- PDP- PDP- Name Function Operation of Terminals (during power on) 502MX 502MXE 505HD S2_DET S2 Signal detection 0–1.3V: Normal, 1.4–2.4V: Letter Box, 2.5–5V: Squeeze –– OPTION Option Video Box detection High: non existence, Low: existence of Video Box ––...
  • Page 38 PDP-502MX, PDP-502MXE PDP- PDP- PDP- Name Function Operation of Terminals (during power on) 502MX 502MXE 505HD *YLW Yellow LED lighting Low: In lighting Yellow LED *V_STD Not used IP_BUSY BUSY signal from IP u-com High: At the timing of H SYNC...
  • Page 39 PDP-502MX, PDP-502MXE...
  • Page 40 PDP-502MX, PDP-502MXE 3.3.10 MAIN POWER ASSY SECTION In rush R D131 TP131 POWER FACTOR CONTROL R133 +B (380V) R134 L133 AEK1071 R168 RY101 D132 FU101 Q201 SW Tr (2SK2847) R140 +B Adj R166 VR131 D190 RCC CONT IC131 Q131 Q136...
  • Page 41 PDP-502MX, PDP-502MXE TP201 VSUS Discharging R VSUS D213 D212 R228 R227 R226 R262 R263 R264 T202 (170V) ATK1128 170V D202 Q202 VSUS+10V Q201 SW Tr (2SK2847) Q415 IC403 VSUS TRANS T201 IC405 ATK1128 One Shot VR201 IC204 Q416 VSUS VADR...

  • Page 42: Pcb Diagram

    PDP-502MX, PDP-502MXE 4. PCB DIAGRAM For PCB DIAGRAM, refer to the service manual ARP3044 for PDP-502MX/LUCBW. PCB PARTS LIST NOTES : ÷ Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List.
  • Page 43 RS1/16S0R0J PCB PARTS LIST Mark No. Description Part No. Mark No. Description Part No. IC2006 TC7WU04FU VIDEO ASSY (AWZ6441: PDP-502MX) Q101, Q111, Q118, Q1211, Q1212 2SA1037K SEMICONDUCTORS Q1222, Q1401–Q1403, Q1418, Q1419 2SA1037K Q1427, Q1428, Q1433, Q1435, Q1438 2SA1037K IC104 24LC01B Q1701–Q1703, Q1714, Q1718–Q1720...
  • Page 44 PDP-502MX, PDP-502MXE Mark No. Description Part No. Mark No. Description Part No. L301, L302, L501, L502 LCTA470J3225 C1246, C1420, C1424, C1490, C1494 CEV470M16 L1201 LCTA560J3225 C1496, C1505, C1702, C1705, C1706 CEV470M16 C1710, C1715, C1717, C1751, C1781 CEV470M16 C1783, C1786, C1787, C1804, C2001...
  • Page 45 PDP-502MX, PDP-502MXE Mark No. Description Part No. Mark No. Description Part No. C1445, C1449–C1451, C1482, C149 CKSRYF104Z16 R2086 RS1/10S3302F C1493, C1495, C1497, C1499, C1502 CKSRYF104Z16 R1811, R1815, R1820 RS1/10S3601F C1506, C1508, C1723, C1725, C1727 CKSRYF104Z16 R3401, R3410 RS1/10S3900F C1729, C1731, C1733, C1735...
  • Page 46 PDP-502MX, PDP-502MXE Mark No. Description Part No. Mark No. Description Part No. CN651 JACK AKN1069 IC2006 TC7WU04FU CN102 SIN SOCKET AKP1175 Q1401 –Q1403, Q1418, Q1419 2SA1037K CN501, CN502 15P D–SUB SOCKET AKP1195 Q1427, Q1428, Q1433, Q1435, Q1438 2SA1037K CONNECTOR AKX1053 Q1701 –Q1703, Q1714, Q1718 –Q1720 2SA1037K...
  • Page 47 PDP-502MX, PDP-502MXE Mark No. Description Part No. Mark No. Description Part No. C1421, C1423, C1425, C1442 –C1444 CKSQYB104K25 C2056 CCSQCH391J50 C1446 –C1448 CKSQYB104K25 C2076, C2207, C2220, C2221 CCSQCH470J50 C1489, C651 –C654 CKSQYB222K50 C2212 CCSQCH471J50 C1701, C1703, C1704, C1709 CKSQYB223K50 C2709...
  • Page 48 PDP-502MX, PDP-502MXE Mark No. Description Part No. Mark No. Description Part No. R1817 RS1/10S2201F OTHERS R1409 RS1/10S2202F CN2901, CN2902 30P CONNECTER 20143-030E-01 R3403 RS1/10S2401F PIN JACK(2P) AKB1099 R2486 RS1/10S3001F CN3408 TAB 1P AKM1177 R310, R321, R511, R542 RS1/10S3301F CN651 JACK...
  • Page 49 PDP-502MX, PDP-502MXE Mark No. Description Part No. Mark No. Description Part No. COILS AND FILTERS FAN CABLE B ASSY F1801, F1901, F2101, F2151, F2201 ATF1189 CAPACITORS F2601, F2602, F2701, F2702 ATF1189 C4261 CEV470M16 F2801, F2802, F3201 ATF1189 L551 (10 µH) ATH1069 L601, L602 (22 µH)
  • Page 50 PDP-502MX, PDP-502MXE Mark No. Description Part No. Mark No. Description Part No. C2017, C2301, C2302, C2304–C2306 CKSRYF103Z50 R3405–R3408 RS1/16S100J C2323, C2324 CKSRYF103Z50 R2342, R2378–R2381, R563, R564 RS1/16S101J C1803–C1818, C1903–C1915 CKSRYF104Z16 R613, R614 RS1/16S101J C1951–C1962, C1967–C1978 CKSRYF104Z16 R2288, R2290, R2292, R2293, R2296 RS1/16S102J C2004–C2007, C2103–C2112...
  • Page 51 PDP-502MX, PDP-502MXE Mark No. Description Part No. Mark No. Description Part No. OTHERS X DRIVE ASSY CN3452–CN3455 AKM1172 SEMICONDUCTORS K3401, K3403–K3408, K3451, K3452 AKX9002 IC3451–IC3453 HCPL–M611 K3456, K3460 AKX9002 IC3454, IC3455, IC3459, IC3460 STK795–120B KN3401 GROUND PLATE ANK–142 IC3402, IC3461–IC3463, IC3465...
  • Page 52 PDP-502MX, PDP-502MXE Mark No. Description Part No. Mark No. Description Part No. D3604, D3611, D702, D753 D1FL40 C3618–C3621, C3667, C3702, C3703 CKSQYF103Z50 D853 D1FS4 C3709–C3712, C3804 CKSQYF103Z50 D803 EC8FS6 C3622, C3751, C3753, C3754 CKSRYB103K50 D758, D808 RD110P C3756–C3758, C3803, C3806 CKSRYB103K50 D755–D757...
  • Page 53 PDP-502MX, PDP-502MXE Mark No. Description Part No. Mark No. Description Part No. R819 RS2LMF223J RESISTORS R3826 RS3LMF1R0J R1001–R1012, R1020, R1045–R1055 DCN1090 VR801, VR851 VRTS6VS102 (22 Ω) VR751 VRTS6VS222 R1016, R1022, R1038, R1041–R1044 RS1/16S0R0J VR701 VRTS6VS472 R1076, R1101 RS1/16S0R0J R1066, R1069...
  • Page 54 PDP-502MX, PDP-502MXE Mark No. Description Part No. Mark No. Description Part No. CAPACITORS R3774, R3775, R3777, R3785, R3791 RS1/16S103J R3794, R3797–R3800, R3818, R3819 RS1/16S103J C3674 CCSRCH101J50 R3852 RS1/16S103J C3645, C3648, C3653, C3654 CCSRCH220J50 R3647 RS1/16S152J C3673 CCSRCH470J50 R3658 RS1/16S153J C3646, C3647...
  • Page 55 PDP-502MX, PDP-502MXE Mark No. Description Part No. Mark No. Description Part No. C4526–C4529, C4531, C4533 CEV100M16 SWITCHES AND RELAYS C4537, C4538, C4543, C4547 CEV100M16 S3941–S3951 ASG1034 C4532, C4536, C4544, C4545 CEV1R0M50 C4549 CEV220M35 RESISTORS C4524, C4525 CEV2R2M50 R3941 RS1/16S0R0J C4502, C4504...
  • Page 56 PDP-502MX, PDP-502MXE Mark No. Description Part No. Mark No. Description Part No. CAPACITORS RESISTORS C4716 CCSQSL221J50 R4751, R4752 RD1/2MMF100J C4704, C4708, C4711, C4712 CEV100M16 C4702, C4706, C4713, C4714 CEV1R0M50 OTHERS C4709, C5742 CEV470M16 CN4752 SPEAKER TERMINAL 2–P AKE1041 C4720 CEV470M6R3...
  • Page 57 PDP-502MX, PDP-502MXE Mark No. Description Part No. Mark No. Description Part No. D217, D307 UDZ27B C119, C147, C182, C183, C313 CEHAT470M25 D454 UDZ3.6B C403, C404, C408, C412 CEHAT470M25 D148, D149, D219 UDZ30B C418–C421, C425 CEHAT470M25 D215 UDZ36B C115 CEHAT471M16 D185, D208, D429...
  • Page 58 PDP-502MX, PDP-502MXE Mark No. Description Part No. Mark No. Description Part No. R345 RS3LMF473J RESISTORS VR111, VR356 VRTS6VS102 R232 RD1/2LMF2R2J VR201 VRTS6VS104 R241 RN1/10SE2702D VR401 VRTS6VS222 R238 RS1/10S1102F VR131 VRTS6VS224 R239 RS1/10S6801F R242 RS1/10S8201F VR301 VRTS6VS473 Other Resistors RS1/10S R234...
  • Page 59 PDP-502MX, PDP-502MXE Mark No. Description Part No. Mark No. Description Part No. RCC CONTROL C ASSY OTL CONTROL B ASSY SEMICONDUCTORS SEMICONDUCTORS IC353 M5233FP IC304 TC4538BF Q353 2SD1835 Q307 2SA1037K D358–D361, D363, D365 1SS352 Q306, Q308 2SC2412K D367–D369, D371 1SS352 D323–D325...
  • Page 60 PDP-502MX, PDP-502MXE Mark No. Description Part No. Mark No. Description Part No. RESISTORS L710 LCTA1R8J3225 L716 LCTA270J3225 R504 RS1/10S1201F L708, L709 LCTA3R9J3225 R505 RS1/10S4701F L703, L707, L715, L717 LCTA470J3225 VR501 VRTS6VS102 L1001 LCTA4R7J3225 Other Resistors RS1/10S L706 LCTA5R6J3225 OTHERS L701, L704...
  • Page 61 PDP-502MX, PDP-502MXE Mark No. Description Part No. C1071, C1072, C1076, C703–C709 CKSRYF104Z16 C711, C715, C716, C730, C731 CKSRYF104Z16 C733, C734, C743, C744 CKSRYF104Z16 C751–C753, C755–C757, C760 CKSRYF104Z16 C762, C765, C771, C772 CKSRYF104Z16 C775–C778, C901, C918 CKSRYF104Z16 C924–C926, C928–C932, C937 CKSRYF104Z16...

  • Page 62: Adjustment

    PDP-502MX, PDP-502MXE 6. ADJUSTMENT SERVICE FACTORY MODE Perform the operations of Service factory mode using the remote control unit provided with thePDP-501HD (CU-PD001: AXD1432) or the remote control unit provided with the PDP-502HD (CU-PDP009: AXD1673). Entering Service Factory Mode Normal Operation Mode (Standby) "Menu"...
  • Page 63 PDP-502MX, PDP-502MXE SERVICE MODE Version of the system micro computer P D 5 5 3 1 – 0 1 (502MX) P D 5 5 4 9 ! 0 4 (502MXE) Signal mode discrimination of current input signal N: NTSC P D 5 5 3 1 – 0 1 M O D E 0 6 –...
  • Page 64 PDP-502MX, PDP-502MXE Vertical Holizontal Signal Mode Input Signal Panel Display Frequency Remarks Frequency Dot ∗ Line Dot ∗ Line VIDEO Fh (Hz) Fv (Hz) 1280 ∗ 768 60.0 33.8K Hi-Vision INTERLACE (1035 i ) –– 08-7 FULL (HD) 08-7+: Y color-difference HDTV16:9 (1920 ∗...
  • Page 65 PDP-502MX, PDP-502MXE Vertical Holizontal Signal Mode Input Signal Panel Display Frequency Frequency Remarks Dot ∗ Line Dot ∗ Line VIDEO Fv (Hz) Fh (Hz) 1024 ∗ 768 (XGA) 1024 ∗ 768 75.0 60.0K 1F-1 –– ORIGINAL (VESA: 60.023k/75.029) 1280 ∗ 768 (74.9)
  • Page 66 PDP-502MX, PDP-502MXE Items to adjust and set value in Each Adjustment mode PICUTRE mode Current menu Input signal PICTURE mode has three menus, "REFERENCE 1", "REFERENCE 2" and "VIDEO BOX". R E F E R E N C E 1 M O D E 0 6 –...
  • Page 67 PDP-502MX, PDP-502MXE INITIALIZE mode (Common for all input signal types and formats) Remote Adjustment Setting Input Signal Current Menu Adjusting & Setting Item Control Key Parameter Value I N I T I A L I S E M O D E 0 6 – A / N SUB VIDEO Go to SUB VIDEO adjustment menu with "SET"...
  • Page 68 PDP-502MX, PDP-502MXE Details of FINAL SETUP ( Factory default setting) Item Default Setting Remarks Power(STAND-BY/ON) STANDBY Input function INPUT1 (502MX), INPUT3 (502MXE) Displaying size NATURAL WIDE (On video signal input) For each input function (PC 1) ORIGINAL (including TYPE) (On PC signal input) For INPUT 3, 4 ∩ each signal mode...
  • Page 69 PDP-502MX, PDP-502MXE Adjustments required when the set is repaired or replaced VIDEO ASSY Y DRIVE ASSY When repaired When repaired 1) (Procedure 1) Color difference (R-Y/B-Y) adjustment (502MX only) 1) (Procedure 7) VOFS/VH/VRN/IC5V voltage adjustment 2) (Procedure 2) Sub-Contrast/Sub-Bright adjustment...
  • Page 70 PDP-502MX, PDP-502MXE Adjusting Method Procedure Adjusting Item Input signal Adjusting Point Adjusting Method REFERENCE 2 R-Y LEVEL adjustment in Factory mode Observe R-Y color-difference waveform at Pin 3 (INT_Cr) of IC1401 R–Y LEVEL ….…. (MATRIX IC) in VIDEO Assy. Adjust R-Y LEVEL so that the point indicated in the right figure becomes "260mV±15mV".
  • Page 71 PDP-502MX, PDP-502MXE Procedure Adjusting Item Input signal Adjusting Point Adjusting Method VSUS (Sustain voltage) adjustment Adjust so that the voltage between TP201(VSUS) and TP202 (SUS GND) becomes ±1V of the voltage indicated at the "voltage indication VR201 (VSUS) label". MAIN POWER ASSY...
  • Page 72 PDP-502MX, PDP-502MXE Procedure Adjusting Item Input signal Adjusting Point Adjusting Method VOFS (Offset voltage) adjustment Adjust so that the voltage between K702 (VOFS) and K701 (SUS GND) becomes ± 0.5V" of the voltage indicated at the "voltage indication VR701 (VOFS) label".
  • Page 73 PDP-502MX, PDP-502MXE Procedure Adjusting Item Input signal Adjusting Point Adjusting Method REFERENCE 1 Preparation Set CONTRAST to "160" and BRIGHT to "128". in Factory mode setting CONTRAST.."1" Key BRIGHT .….."2" Key 1) RAMP signal LOW LIGHT adjustment REFERENCE 1 1) Observe the signals at TP terminals R: K2401, G: K2402, B: K2403, in Factory mode of VIDEO ASSY.
  • Page 74 PDP-502MX, PDP-502MXE Procedure Adjusting Item Input signal Adjusting Point Adjusting Method SUB VIDEO mode Set to the indicated value with the keys on the remote control unit. in Factory mode (refer to SUB VIDEO mode) Any input Base Pulse PULSE NUMBER number .."8"...
  • Page 75 PDP-502MX, PDP-502MXE Adjusting points and Measuring points...

  • Page 76: General Information

    PDP-502MX 7. GENERAL INFORMATION 7.1 DIAGNOSIS D441 D443 D439 7.1.1DIAGNOSIS METHOD D437 D407 This PDP has several protection circuits, and the operation of the circuits activate power down circuit and set the unit automatically to standby mode in order to protect the circuit.
  • Page 77 PDP-502MX The state of Lighting P.D. circuit Diagnosis Failure points Estimated failure parts circuit in operation D408 Anode is VADR UVP When CN205 is disconnected, MAIN POWER Assy IC301 • 302 • Q302 D407 High/ High P.D. occurs, and even when between base &...
  • Page 78 PDP-502MX The state of Lighting P.D. circuit Diagnosis Failure points Estimated failure parts circuit in operation K751Hi VH UVP Scan Module in normal Y DRIVE Assy IC851 • 852 • 853 D407 operation. IC5V D/D CONV. BLOCK • D439 K804Hi...
  • Page 79 PDP-502MX Diagnosis when under voltage is detected at V SUS / V ADR voltage lines. Disconnect connector CN205 P5 at Main Power Assy and turn on the power. If the power is turned on and D205 at Main Power Assy lights up in yellow, cause of the under voltage is not inside Main Power Assy.
  • Page 80 PDP-502MX Note for repairing in case of blown fuses Never turn on the power of the unit again just by replacing the fuse, when the fuse is blown. Because, it is rare case that the fuse itself is defective. If the power is turned on again without resolving the cause of over current, the unit is damaged more.
  • Page 81 PDP-502MX Y DRIVE ASSY X DRIVE ASSY K854 IC5V OVP K705 VOFS UVP K706 VOFS OVP D3457 K3456 D3751 P. D K3704 K801 P. D (RN) VRN UVP K804 VRN OVP K3607 P. D (YCP) K751 VH UVP K754 VH OVP...
  • Page 82 PDP-502MX Protection Circuits MAIN POWER ASSY +B OVP AC200V P.D. VF OVP +8V UVP –8V UVP +14V +14V +12V UVP X DRIVE ASSY +12V OCP VADR UVP VADR VSUS UVP VSUS OVP UCOM ASSY DIGITAL VIDEO ASSY AUDIO ASSY +3.3V UVP +5V OVP +3.3V OVP...
  • Page 83 PDP-502MX Y DRIVE ASSY Y DC/DC BLOCK Y DRIVE BLOCK IC5V OVP RESET VOFS OVP 12V OCP VOFS UVP DRIVE STOP P.D. VH OVP VH UVP VRN OVP VRN UVP...
  • Page 84 PDP-502MX Service Position 1. MAIN POWER ASSY Remove the harness from Wire Saddle Remove two screws Remove two screws MAIN POWER ASSY VIDEO ASSY Loosen two screws MAIN POWER ASSY MAIN POWER ASSY Stand Main Power Assy...
  • Page 85 PDP-502MX 2. VIDEO ASSY Note) Shield Case of Video Assy should not touch the heat sink at the primary side of Main Power Assy in standing Video Assy. (Noise may be generated and that may break the Main Power Assy)

  • Page 86: Disassembly

    PDP-502MX ∗ 7.1.2 DISASSEMBLY Screw Collar (AEC1848) The screw collar has a direction to fit in. 1. Removing Front Case (Figure 1) Although mark is not indicated for this 1) Secure the unit on the stand in the upright position.
  • Page 87 PDP-502MX 3.Removing and installing Front Protection Panel 1) Remove all 30 screws E: BPZ30P080FZK that fixes Panel Note) Attach Panel Cushion V along the base of bending line of Panel Holder V and Panel Holder Assy to Front Case. Holder V, and attach Panel Cushion H along the edge of Panel 2) Remove Front Protection Panel and replace it.

  • Page 88: Wiring

    PDP-502MX 7.1.3 WIRING Notes When forming the wire cables, be careful not to exert excessive pressure on the cables as this will result in the disconnection of the 1) Bend the flexible cable between Y Drive Assy and Scan Module connectors.
  • Page 89 PDP-502MX...
  • Page 90 PDP-502MX SENS A FAN 7 Note 5) FAN 3 FAN 2 FAN 6 FAN 5 FAN 4 FAN 1 CN205 DIGITAL VIDEO ASSY CN2301 Note 5) CN353 CN3755 MAIN POWER ASS'Y CN3751 CN354 Note 7) CN306 Fix the connecting points...

  • Page 91: Panel Facilities And Specifications

    PDP-502MX, PDP-502MXE 8. PANEL FACILITIES AND SPECIFICATIONS PANEL FACILITIES Main unit Operation panel on the main unit (for PDP-502MX and PDP-502MXE) STANDBY/ON Main unit INPUT MENU ADJUST SIZE DISPLAY Main unit Note Display stand When optional speakers have been connected,...
  • Page 92 PDP-502MX, PDP-502MXE Control Panel (for PDP-502MX) On this unit there are 4 input system terminals and 2 output system terminals. There are also CONTROL terminals for connection of PIONEER components with the Î mark. – ANALOG OUTPUT – SPEAKER RS-232C 8 Ω...
  • Page 93 PDP-502MX, PDP-502MXE – 75Ωj2.2kΩ MAIN POWER AC INLET SPEAKER S-VIDEO VIDEO OUTPUT 8 Ω – 16 Ω OFF ON INPUT2 INPUT1 (INPUT1) [ON SYNC] INPUT3 [H/V SYNC] INPUT3 INPUT1 For connection of components that have RGB or For connection of components that have a composite...
  • Page 94 Note: The RGB signal will not be output from the CONTROL IN/OUT INPUT4 OUTPUT terminal when the main power of this For connection of PIONEER components that bear the unit is off or in standby mode. Î mark. Making CONTROL connection enables control of this unit as a component in a system.
  • Page 95 PDP-502MX, PDP-502MXE – 75Ωj2.2kΩ MAIN POWER AC INLET SPEAKER 8 Ω – 16 Ω OFF ON [ON SYNC] INPUT3 [H/V SYNC] INPUT3 For connection of a personal computer. Synchronizing signal impedance selector switch Depending on the connections made at INPUT3, it may be necessary to set this switch to match the output impedance of the personal computer’s...
  • Page 96 PDP-502MX, PDP-502MXE Remote Control Unit (for PDP-502MX and PDP-502MXE) STANDBY SCREEN MUTING SIZE INPUT VIDEO (BNC) (D-sub) DISPLAY MENU Î SET button STANDBY/ON button Press to adjust or enter various settings on the unit. Press to put the unit in operation or standby mode.
  • Page 97 PDP-502MX, PDP-502MXE SPECIFICATIONS INPUT 4 For PDP-502MX/LUCBW Input Mini D-sub 15 pin (socket connector) General 1 RGB signal (G ON SYNC compatible) RGB ... 0.7 Vp-p/75 Ω/no sync. Light emission panel .... 50 inch plasma display panel HD/CS, VD ... TTL level Number of pixels ..........
  • Page 98 PDP-502MX, PDP-502MXE For PDP-502MXE/YVLDK Accessories General Light emission panel .... 50 inch plasma display panel Remote control unit ............1 Remote control unit case ..........1 Number of pixels ..........1280 x 768 AA (R6/UM-3) batteries ............ 2 Power supply ......AC 100 – 240 V, 50/60 Hz Cleaning cloth ..............

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