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akira PLT-42TT Service Manual

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  • Page 1 All manuals and user guides at all-guides.com...
  • Page 2 All manuals and user guides at all-guides.com MODEL: PLT-42TT...

  • Page 3: Table Of Contents

    All manuals and user guides at all-guides.com CONTENTS 1. IMPORTANT SAFETY PRECAUTIONS….……1-2 2. SPECIFICATION………........2-9 3. FACTORY & ELECTRONIC ADJUSTMENT……3-2 4. BLOCK DIAGRAM…………………....…….4-5 5. TROUBLE SHOOTING GUIDES…………………5-6 6. P.C.BOARD TOP VIEW……………………………6-8 7. ELECTRONIC MODULES LIST………………….7-1 8. SCHEMATIC DIAGRAM………….………………8-21 9. EXPLODED VIEW…………………………………9-1 10.

  • Page 4: Important Safety Precautions

    All manuals and user guides at all-guides.com IMPORTANT SAFETY PRECAUTIONS VER1.0 1. Before returning an instrument to the customer, always make a safety check of the entire instrument, including, but not limited to, the following items. a. Be sure that no built-in protective devices are defective and/or have been defeated during servicing. (1) Protective shields are provided on this chassis to protect both the technician and the customer.
  • Page 5 All manuals and user guides at all-guides.com IMPORTANT SAFETY PRECAUTIONS VER1.0 4. Hot Chassis Warning— — — — a. Some Monitor chassis are electrically connected directly to one conductor of the AC power cord and may be safely serviced without an isolation transformer only if the AC power plug is inserted so that the chassis is connected to the ground side of the AC power source.

  • Page 6: Specification

    All manuals and user guides at all-guides.com SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 SCOPE: These specifications describe all the characteristics of the 42 inch color monitor. ELECTRICAL REQUIREMENTS: 2.1. Display panel: Specification a. Screen size Diagonal 42 inch b. Aspect ratio 16:9 wide c.
  • Page 7 All manuals and user guides at all-guides.com SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 2.3.4 RGB Signal: a. Type b. Polarity Positive or Negative c. Amplitude RGB: 0.7Vp-p d. Frequency H: support to 31K~91KHz V: support to 50~85Hz 2.3.5 DVI Signal: a.
  • Page 8 All manuals and user guides at all-guides.com SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 2.3.9 RGB/DVI For VESA Standard: Vertical Horizontal Refresh Horizontal Vertical Mode No Resolution Sync Sync Dot rate Rate Frequency Frequency Polarity Polarity (Hz) (K Hz) (Hz) (TTL)
  • Page 9 All manuals and user guides at all-guides.com SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 2.4. Display Performance Requirements: The data of display performance are measured based on the following. Conditions unless otherwise specified. 25± ± ± ± 5 ℃ ℃ ℃ ℃...
  • Page 10 All manuals and user guides at all-guides.com SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 Width 1040mm 1040mm Height 648 mm 690mm Depth 95mm 375 mm 3.1. Package Dimensions: Width 1230 mm Height 960 mm Depth 470 mm 3.2. Weight: Net weight 79.4lbs/36 Kgs (w/o stand) 83.8lbs/ 38Kgs (w/ stand)
  • Page 11 All manuals and user guides at all-guides.com SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 RF Sensitivity (Peak) CH 2 ~ CH 13 30dB Max. CH 14 ~ CH 69 30dB Max. CATV CH A-5 ~ CH W+29 30dB Max. AFT Pull-In Range ±...
  • Page 12 All manuals and user guides at all-guides.com SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 Drop Test 200mm max. Vibration Test Forward and backward 30 minutes 1000 c.p.m Right and left 30 minutes 1000 c.p.m Up and down 30 minutes 1000 c.p.m...
  • Page 13 All manuals and user guides at all-guides.com SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 APPENDIX A : Preset Timing Chart (Video) (Sync) Item Description: Total time Active display area including borders Active display area excluding borders Left/Top border Right/bottom border Blanking time...
  • Page 14 All manuals and user guides at all-guides.com SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 Mode No Resolution 1024 1024 1024 1024 1280 1280 1280 & 1024 1024 1024 Refresh Rate Pixel 78.75 94.5 157.5 25.175 25.175 MHz Horizontal visible 1024 1024...
  • Page 15 All manuals and user guides at all-guides.com FACTORY & ELECTRONIC ADJUSTED VER1.0 1. PANEAL voltage adjustment The power voltage should be adjusted and checked when changing the panel or power board. POWER VOLTAGE ADJUST FOR SAMSUNG TTL PANEL VA VSC VS VR VSET POWER BOARD DIGITAL BOARD EXT INT...
  • Page 16 All manuals and user guides at all-guides.com FACTORY & ELECTRONIC ADJUSTED VER1.0 2. Color temperature adjustment Push the factory service key to into the adjustment mode. The picture will appear as follow 5400ºk X=335 Y=343 GAIN Bias Use the AV key to select the color to adjust and or key to adjust the level. The required equipments are CA-100,Vp300.

  • Page 17: Block Diagram

    All manuals and user guides at all-guides.com BLOCK DIAGRAM PDP S JP1_1 AV Module Pin[1:32] Board(with Tuner) JP2_1 Assy Pin[1:32] LA03_1 Logi Pin[1:31] J1_1 Pin[1:31] (L VDS ) Interface Board- Y Ass'y JP4_1 JP5_1 J15_1 Pin[1:4] (9 V) J25_1 Front Pin[1:3] (5 V) Button...
  • Page 18 All manuals and user guides at all-guides.com BLOCK DIAGRAM Image Boa Im age Board ←→ Panel Im age B Im age Board As s 'y Im age Board J1 (4 0 Pin ) J1 4 (6 Pin ) J1 5 (4 Pin ) J2 1 (7 Pin ) J2 5 (3 Pin ) JP5 (4 8 P in )

  • Page 19: Block Diagram

    All manuals and user guides at all-guides.com BLOCK DIAGRAM Image Board Signal Block Diagram SDRAM (PAGE4) 6630/6730 VIDEO MAIN Video RGB IN RGB OUT Processor S-VIDEO TA8551CH (PAGE3) SWITCH VIDEO 6630/6730 (PAGE2) SUB Video Porcessor (PAGE5) YCBCR MULTIPLEX Converter SWITCH SDRAM (PAGE8) (PAGE6)
  • Page 20 All manuals and user guides at all-guides.com BLOCK DIAGRAM Image board Power Block Diagram SB5V (USB5V, SB5V_M , SB5V_IO, SB5 V_CPU) +9VT +5VSB SB5V_V SB5V_VO R376 +24V +5V1 V33SB USB3V (5V_ OSD) (VDD33 ) VCCPLL CON8009 VCCBF +5VA V33P VIP711 (VDRAM ) V33TMP CON8011...
  • Page 21 All manuals and user guides at all-guides.com BLOCK DIAGRAM PDP Sound Block Diagram ICS 1 ICS 2 L PF M UT E P AG E 2 FRO M A V S EL E CT O R Q 1/Q 2 ICA 1/ICA2 A V_ O UT PUT INP UT B UFFE R M UT E...

  • Page 22: Trouble Shooting Guides

    All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDES VER1.0 No Power SET POWER ON AC Master Power Switch Board (DPWB11398-1G---) Check Power Input Module (LJ92-00579A) Check Replace Power Input Module (LJ92-00579A) Check Panel Power Supply (LJ44-00025A) Check Replace Panel Power Supply (LJ44-00025A) Check...
  • Page 23 All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDES VER1.0 No Picture No picture AV Module Board (DPWB11372-1G-TS) Check Replace AV Module Board (DPWB11372-1G-TS) Check Image Board (DPWB11393-1G--S) Check Replace Image Board (DPWB11393-1G--S) Check PDP Panel Module (VVEPP42SD001F--) Check Replace PDP Panel Module (VVEPP42SD001F--)
  • Page 24 All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDES VER1.0 Vertical Line Fail Vertical Line Fail Interface Board-X (LJ92-00568B) Check Replace Interface Board-X (LJ92-00568B) Check PDP Panel Module Assembly (VVEPP42SD001F--) Check Replace PDP Panel Module Assembly (VVEPP42SD001F--) Check...
  • Page 25 All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDES VER1.0 Horizontal Line Fail Horizontal Line Fail Interface Board-Y (LJ92-00569B) Check Replace Interface Board-Y (LJ92-00569B) Check Y Amp Board-Upper (LJ92-00570A) Check Y Amp Board-Lower (LJ92-00571A) Replace Check Y Amp Board- Upper (LJ92-00570A) Check Y Amp Board- Lower...
  • Page 26 All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDES VER1.0 No Remote Control SET POWER ON Remote Control Check Replace Replace Battery (BRC-241) Check Front Button Control Board (DPWB11372-1G-KS) Check Replace Front Button Control Board (DPWB11372-1G-KS) Check Image Board (DPWB11393-1G--S) Check Replace Image Board...
  • Page 27 All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDES VER1.0 Front Button Fail SET POWER ON Front Button Control Board (DPWB11372-1G-KS) Check Replace Front Button Control Board (DPWB11372-1G-KS) Check Image Board (DPWB11393-1G--S) Check Replace Image Board (DPWB11393-1G--S) Check...

  • Page 28: P.c.board Top View

    All manuals and user guides at all-guides.com P.C. BOARD TOP VIEW VER1.0 MODULE NAME PART NO. IMAGE BOARD ASS'Y DPWB11393-1G--S MODULE NAME PART NO. AC MASTER POWER SWITCH B/D ASS'Y DPWB11398-1G---...
  • Page 29 All manuals and user guides at all-guides.com P.C. BOARD TOP VIEW VER1.0 MODULE NAME PART NO. AUDIO AMPLIFIER BOARD ASS'Y DPWB11372-1G-SS MODULE NAME PART NO. FRONT BUTTON CONTROL BOARD ASS'Y DPWB11372-1G-KS...
  • Page 30 All manuals and user guides at all-guides.com P.C. BOARD TOP VIEW VER1.0 MODULE NAME PART NO. AV MODULE BOARD ASS'Y DPWB11372-1G-TS MODULE NAME PART NO. INTERFACE BOARD- Y A’SSY LJ92-00569B...
  • Page 31 All manuals and user guides at all-guides.com P.C. BOARD TOP VIEW VER1.0 MODULE NAME PART NO. LOGIC BOARD ASS'Y LJ92-00573 MODULE NAME PART NO. PANEL POWER SUPPLY ASS'Y LJ44-00025A...
  • Page 32 All manuals and user guides at all-guides.com P.C. BOARD TOP VIEW VER1.0 MODULE NAME PART NO. POWER INPUT MODULE ASS'Y LJ92-00579A MODULE NAME PART NO. INTERFACE BOARD- X ASS'Y LJ92-00568B...
  • Page 33 All manuals and user guides at all-guides.com P.C. BOARD TOP VIEW VER1.0 MODULE NAME PART NO. LOGIC E-BUFFER ASS'Y LJ92-00581A MODULE NAME PART NO. Y AMP BOARD-UPPER ASS'Y LJ92-00570A...
  • Page 34 All manuals and user guides at all-guides.com P.C. BOARD TOP VIEW VER1.0 MODULE NAME PART NO. Y AMP BOARD-LOWER ASS'Y LJ92-00571A MODULE NAME PART NO. LOGIC F-BUFFER ASS'Y LJ92-00582A...
  • Page 35 All manuals and user guides at all-guides.com P.C. BOARD TOP VIEW MODULE NAME PART NO. PDP PANEL MODULE ASS'Y VVEPP42SD001F--...

  • Page 36: Electronic Modules List

    All manuals and user guides at all-guides.com ELECTRONIC MODULES LIST VER1.0 Model Name: PLT-42TT Quantity Per Final Module Supplier Supplier's Part Number Assembly 1 Image Board Sampo DPWB11393-1G--S 2 AC Master Power Switch Board Sampo DPWB11398-1G--- 3 Audio Amplifier Board...

  • Page 37: Schematic Diagram

    All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM R381 R380 1/ 1 6W 1/ 1 6W C269 C270 330uF 0.01uF PR_IN PB_IN Y0_IN DPTV_Y2 R269 P5V_CIRCLE C273 1/ 1 6W 2.2uF R265 R267 R266 C277 C278 C279 C280 3.3K 100K 22uF 2SC2412KBQ...
  • Page 38 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM S3_R S3_R R171 R172 C183 3 .3K 2.2uF 1/16W 1/16W S3_L S3_L R173 R174 C184 3 .3K 2.2uF 1/16W 1/16W R175 C185 10uF 1/16W R375 S2_R P[16] S2_R 1/16W R176 R177 C186 3 .3K 2.2uF...
  • Page 39 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM P[4] DQM_MP[0..7] P[4] MA_MP[0..9] V25_MP P[4] MD_MP[0..63] 1/16W 1/16W AVDD1 P[4] AVDD1 P[4] AVDD2 2200PF AVDD1 AVSS1 2200PF AVDD2 AVSS2 AVDDA3 P[4] AVDDA3 AVDDA AVDDA1 P[4] AVDDA1 AVDDA AVDDA2 P[4] AVDDA2 AVDDA AVDDA4 P[4]...
  • Page 40 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM Place these resistors close to DPTV RD29 1/16W BAMP P[3] BA_MP VADC3 RD30 1/16W WEnMP P[3] WEn_MP RD31 1/16W CASnMP P[3] CASn_MP RD32 1/16W RASnMP P[3] RASn_MP AVDDA1 AVDDA1 P[3] CD36 CD37 RD33 1/16W...
  • Page 41 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM P[6] DQM_SP[0..7] P[6] MA_SP[0..9] V25_SP P[6] MD_SP[0..63] RDS1 RDS2 1/16W 1/16W AVDD1_S P[6] AVDD1_S MLF_S CDS1 2200PF P[6] AVDD2_S AVDD1 CDS2 AVSS1 2200PF AVDD2 VLF_S AVSS2 AVDDA3_S P[6] AVDDA3_S AVDDA AVDDA1_S P[6] AVDDA1_S AVDDA...
  • Page 42 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM Place these resistors close to DPTV VADC3_S RDS29 1/16W BASP P[5] BA_SP RDS30 1/16W WEnPS P[5] WEn_SP RDS31 1/16W CASnSP P[5] CASn_SP RDS32 1/16W RASnSP AVDDA1_S P[5] P[5] RASn_SP CDS36 CDS37 LDS3 10uF 100PF...
  • Page 43 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM C159 0.0 1uF C163 0.0 1uF RFILN1020-1---A RFILN1020-1---A RFILN1020-1---A VGA_GIN VGA_BIN C176 C162 R149 100PF 4 7uF C169 C165 R147 100PF 4 7uF 1/16W SB5V_V 1/16W RGB_GIN SB5V_V BAV99 BAV99 R369 2 20 1/16W P[1 ]...
  • Page 44 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM V33PLL 1/8W V33PLL BA033LBSG C100 C101 C102 C103 C104 C105 C106 C107 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.01uF 0.1uF 10uF R317 1/16W SDA2_33 P[3,9,16] SDA2_33 SCL2_33 P[3,9,16] SCL2_33 1/16W R318 1/16W P[9] PD_9884n...
  • Page 45 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM SB5V 74LVT04 74LVT04 1/8W SB5V_CPU 29C020CP90BS HD6413079F 0.1uF 1/16W CPU5 SB5V_CPU EX TAL 16MHz X TAL RL S4 148 100K 1/16W 33PF 33PF 1/16W S80845 ANUP STBY R345 SB5V_CPU RESO 1/16W 10uF SB5V_CPU 0.1uF...
  • Page 46 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM L2 0 N/3.9 V33SB 1/8W 1/6W L2 1 1/8W VDVID VDVIA C14 2 C14 3 C14 4 C14 5 C14 6 C14 0 C14 1 10 uF 10 uF 33 0PF 33 0PF 33 0PF 10 0PF...
  • Page 47 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM 74LVC157 PCSI P[9 ] PCSCS SSCS P[9 ] P[9 ] PCSCLK SSCLK SCLK P[9 ] SCLK PCn_MPU 0 .1uF MA_ IP11 TP43 MA_ IP13 TP44 1/16W P[12 ] MA_IP[0 ..13 ] PCn_MPU P[16 ] PCn_MPU...
  • Page 48 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM P[11] MA_IP[0..13] P[11] MD_IP[0..47] M12L16161A M12L16161A MD_IP32 MA_IP0 MD_IP33 MA_IP1 MD_IP16 MD_IP34 MA_IP2 MD_IP17 MD_IP35 MA_IP3 MD_IP18 MD_IP36 MA_IP4 MD_IP19 MD_IP37 MA_IP5 MD_IP20 MD_IP38 MA_IP6 MD_IP21 MD_IP39 MA_IP7 MD_IP22 MD_IP40 MA_IP8 MD_IP23 V33TMP MD_IP41...
  • Page 49 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM 74LVC157 P[10] DVI_HS P[8] PLLHSO 1/16W P[10] DVI_VS FGVS P[7,8] FGVS 1/16W P[11] DVI_PICK R386 P[8] DATACK 1/16W 1/16W FGHS V33SB P[7,8] FGHS P[2,9] RGBn_DVI C404 0.1uF 22PF VCCPLL FROM CPU ICS9161A MCLK 14.318MHz...
  • Page 50 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM 74LVC244ADB 1 /16W BPCLKO POCLK P[11,13 ] POCLK BVSYNCO VSYNCO P[9,11 ] VSYNCO BHSYNCO HSYNCO P[9,11 ] HSYNCO BBLANKN BLANKn P[11 ] BLANKn VCCBF PNL_CTLn P[9] PNL_CTLn ROUT[0..7] 74LVC244ADB P[11 ] ROUT[0..7] ROUT7 BROUT7...
  • Page 51 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM REG_5V 5VDDA VCCA3 BA033 5VDDA_ VCCA3 VOUT LD14 CD85 CD82 CD84 CD86 0.1uF 22uF 22uF 0.1uF 1/8W AGND6,7 5VDDD VADC3 BA033 5VDDD_ VADC3_ VOUT LD18 CD90 CD87 CD89 CD91 0.1uF 22uF 22uF 0.1uF 1/8W...
  • Page 52 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM +24V 330uH P24V C333 220uF C380 C334 0.22uF 0.22uF 10uH RFILN1020-1---A C335 220uF C336 0.1uF +5V1 10uH C337 C338 C339 220uF 100uF 0.1uF C340 C341 120 Ω 0.01uF 100PF P[2] COMPOSITE P[2] S2_Y P[2]...
  • Page 53 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM L_IN FROM AV SEL ECTOR R_IN 1/16W SURR1 SURR1 SURR2 SURR2 3.9K 1/16W 1/16W 2.2uF DT C144EKA 1/16W CR30 RR12 4700PF 3.9K 1/16W 1.5K 0.47uF 1/16W 10uF 1/16W DT C144EKA RR14 RR15 RR13 RR16...
  • Page 54 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM 12V_0 12V_0 ICS1 NJM4558M MUTE_1 MUTE_1 1/2VCC 1/2VCC 1/16W 1/16W 1/16W 1/16W 1/16W 0.047uF...
  • Page 55 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM M1076-1---- L O/P L_OUT 1000PF 1/8W 1/8W M1076-1---- R O/P P1177-1---- R_OUT 1000PF 1/8W 1/8W CE29 J24B 2.2uF P1159-1-4-C RGB L R GB_L 1000PF 1/8W 1/16W CE30 J24D 2.2uF J17D P1159-1-4-C P1159-1-4-C RGB R SVIDEO_L...
  • Page 56 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM R206 1/16W TV_L TV_R R212 R213 R210 1/16W 1/16W 1/16W R201 N/3.3K AFT_TUNER R214 1/2W +31V 1/16W SCL2 C201 N/10uF SDA2 C211 ZD201 Q201 220PF N/UPC574J 2SC2412KBQ R215 C212 220PF 1/16W R221 R247 N/10K...
  • Page 57 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM FRONT PANE R169 5VSB_FP 7.5K 1/16W CP0316-EJST- 5VSB_FP R170 SB_LED 1/16W ON_LED SW_OUT RC_OUT C235 1000PF TO Digital Board R178 SW-A1214 1/16W HB5-30Y GC C237 100uF R177 POWER 1/16W R175 93M2AKF 1/16W C236 470PF...

  • Page 58: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW...

  • Page 59: Packaging Of The List

    All manuals and user guides at all-guides.com PACKING OF THE LIST 10-1...

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