Akai PDP4273M Service Manual
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Akai PDP4273M Service Manual

Akai PDP4273M Service Manual

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  • Page 2 AKAI SERVICE MANUAL This manual is the latest at the time of printing, and does not include the modification which may be made after the printing, by the constant improvement of product.

  • Page 3: Safety Precaution

    Safety Precaution The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to CAUTION alert the user to the presence of uninsulated “dangerous voltage” within the product's enclo RISK OF ELECTRIC SHOCK sure that may be of sufficient magnitude to DO NOT OPEN constitute a risk of electric shock to persons.

  • Page 4: Product Safety Notice

    5. When replacing a MAIN PCB in the cabinet, PR O D UC T S A FETY NOTICE always be certain that all protective are installed properly such as control knobs, Many electrical and mechanical parts in this adjustment covers or shields, barriers, isolation apparatus have special safety-related resistor networks etc.

  • Page 5: Technical Specifications

    Technical Specifications PDP4273M1 Standard Test Conditions All tests shall be performed under the following conditions, unless otherwise specified Ambient light 150ux (When measuring lB, the ambient luminance £0.1Cd/m2) Viewing distance 50cm in front of PDP Warm time 30 minutes no restricted PDP Panel facing Measuring Eguipment : Minolta CA 100 photometer...
  • Page 7 Technical Specifications PDP4273M1 Audio input Audio lnput(L/Rx5) 1 for DVI / D-Sub 2 for YPbPr 1 for S-Video 1 for A V Audio output Audio O utput (L/Rx1) : M onitor out(LVR) SPDIF Coaxial x 1 (only for HDMI) E n v iro n m e n t Operating environm ent 5.1.1 Tem perature 5°...

  • Page 9: Remote Control

    Technical Specifications PDP4273M1 12 Remote Control Standby(Ci)): Press this button to turn off to standby and turn on from standby. E D Mute(M): Press this button to quiet the sound system. Press again to reactivate the sound system. :tI5 ' © ' Cfj'i ¡2 Number buttons: Use these i d ) <D|...

  • Page 10: Support The Signal Mode

    Technical Specifications PDP4273M1 13. Support the Signal Mode A. V G A M ode Horizontal Vertical Frequency F requency R esolution (KHz) (Hz) 31.50 60.00 37.86 72.81 35.16 56.25 37.90 60.32 OUUX D U U 46.90 75.00 48.08 72.19 1 0 2 4 x 768 48.40 60.00 B .YP bPr M ode...

  • Page 13: Circuit Diagram

    Circuit Diagram - Main (Video) board - Keypad board - Remote control receiver board - External L/R Speakers board - Remote control board...
  • Page 33 Basic operation of Plasma Display 1. After turning on power switch, PSU board sends 5Vst-by Volt to Main IC MT8202 waiting for ON signals from Key Switch or Remote Receiver. 2. When the ON signal from Key Switch or Remote Receiver is detected, MT8202 will send RLY ON and VS ON signals to PUS B/D.

  • Page 35: Basic Operations & Circuit Description

    Basic Operations & Circuit Description MODULE There are 1 pcs panel and 8 pcs PCBs including 2 pcs Y/Z Sustainer board, 2 pcs Y Drive board, 2 pcs X (left and right) Extension board, 1 pcs Control (Signal Input) board and 1 pcs PSU board i n the Module. There are 4 pcs PCBs including 1 pcs Local key board, 1 pcs Remote Control Receiver board, 1 pcs L/R Speakers and 1 pcs VSC (Main) board in the SET.

  • Page 36: Pcb Function

    PCB function 1. PSU B/D: (1). Input voltage: AC 120V, 60Hz. (2). To provide power for PCBs. 2. VSC (Main) board: To converter S signals, AV signals, Y Pb/Cb Pr/Cr signals, HDMI signals and D-SUB signals to digital ones and to transmit to Control board. 3.
  • Page 37 PCB failure analysis CONTROL: a. Abnormal noise on screen. b. No picture. VSC (MAIN) : a. Lacking color, Bad color scale. b. No voice. No picture. d. Abnormal noise on screen. PSU: No picture, no power output. Z - Sustainer: a.

  • Page 38: Main Ic Information

    Main IC Information - M13S128168A (ESMT) 2M x 16 Bit x 4 Banks Double Data Rate SDRAM - MT8202 MT8202G is a highly integrated Single-Chip for LCD TV supporting video input and output format up to HDTV. It includes 3D comb filter TV decoder to retrieve the best image from popular composite signals.
  • Page 39 P a n e l I n f o r m a t i o n Product Specification of 42XGA PDP Module 0 . W a r n i n g s a n d C a u t i o n s / j \ W A R N I N G J Ö...
  • Page 40 Product Specification of 42XGA PDP Module C A U T IO N □ G e n e ra l □ D esign...
  • Page 41 Product Specification of 42XGA PDP Module □ D esign (continued) W 'l l l...
  • Page 42 Product Specification of 42XGA PDP Module □ U S E □ R e p a ir an d M a in te n a n ce □ O th e rs...
  • Page 43 Product Specification of 42XGA PDP Module 1 . G E N E R A L D E S C R I P T I O N □ D E S C R IP T IO N w m m x 3 # m # □...
  • Page 44 Product Specification of 42XGA PDP Module □ E L E C T R I C A L IN T E R F A C E O F P L A S M A D IS P L A Y □ G E N E R A L S P E C F IC A T IO N S •S 1023th 1024th...
  • Page 45 Product Specification of 42XGA PDP Module □ B L O C K D IA G R A M (L V D S input) — C ontroller R B+ — R B - — M em ory — Controller Input RÇ- —...

  • Page 46: Specifications

    P ro d u c t S p e cifica tio n o f 4 2 X G A P D P M od u le E L E C T R I C A L S P E C I F I C A T I O N S □...
  • Page 47 Product Specification of 42XGA PDP Modide □ L V D S Sig n al > V ideo Input C onnector (P 3 1 ) L G Cable, G T 1 2 1 -3 1 P -T D > > D efinitions and Functions o f L V D S Signal '-'o:- R B +...
  • Page 48 Product Specification of 42XGA PDP Modide 4 . M E C H A N I C A L & E N V I R O N M E N T A L S P E C I F I C A T I O N S □...
  • Page 49 Product Specification of 42XGA PDP Module 5 . I M A G E S T I C K I N G C H A R A C T E R I S T I C S □ Im a g e S tick in g □...
  • Page 50 Product Specification of 42XGA PDP Module □ Proposed m e a su res tak en to reliev e im age stick in g...
  • Page 51 Product Specification of 42XGA PDP Module 6 . O U T L I N E D R A W I N G □ F r o n t View am^^Displov A re< 0 3 ^M o u n tin g hole^...
  • Page 52 □ “ ft < "“ ' r . ■ fa ?' - DDDDDDQQDOD D O DQDDDDDDDDDDDDDDGDQDQDQDGDQDDDQD..DGDQDQDQDGDQDDDDDDDDQDD QDGDQDQDQ G D DDQDDDGGGGD □ D D D D D O D O Q D D □ Q D 0 D D D D D D D D D Q D D D C a 0 Q D Q D D D G D D D D D D O V D a 0 Q D Q D G D E l D Q D D D D 0 Q D D Q D 0 D 0 D 9 D 0 D 0 D Q □ D P D O O D D Q D Q D O O o O 0 o O t^tr;...
  • Page 53 Product Specification of 42XGA PDP Module 8. LG OEM panel parts list ***Sam e panel as the panel in an LG 42PC3D*** < ----------------------------------------------------------------------------------------------> < - - > Module ID t — E l I“ 0 E/X Tube oOoOoQo These parts are regular LG panel parts and can be ordered from any distributor of LG parts.
  • Page 54 Product Specification of 42XGA PDP Module 7 . C O N N E C T O R S a n d C O N N E C T I O N S □ P o w er In p u t C o n n e cto r Connector P 20 02 Pin A ssig n m en t Y S U S Board) Pin No.
  • Page 55 Product Specification of 42XGA PDP Modide □ Id e n tifica tio n L a b e l : L A B E L □ L A B E L © : Identification Label 7 .0 cm Î MODEL : PDP42X3#### 2 .5 cm 4Q4K242X2000QQ4.AKSPG ©...
  • Page 56 Product Specification of 42X3 SANKEN PSIT...
  • Page 57 Product Specification of 42XGA PDP Modide 9 . P A C K I N G □ B o x p ack in g (5 m od u les p e r ea ch B o x) 1 . Prepare to Module & Packing sheet (Grid) 4.
  • Page 58 Product Specification of 42X3 SANKEN PSIT 1. Input S pecifica tion 1.1 Input condition Standard Voltage Range AC 100V - 240V Available Voltage Range AC 90V • 265V 50Hz — 6 0 Hz (± 5Hz) Frequency Range 1.2 Others Item Specification Test Condition •...

  • Page 59: Specification

    Product Specification of 42X3 SANKEN PSU 7. Input/Output pin assignment & specification Location No. Specification Vendor C N I0 1 3 - 1 7 6 9 7 6 - 2 ( R e d ) ■ B B CN806 CN801 1 7 1 8 2 5 - 7 CN802 1 7 1 8 2 5 - 4...

  • Page 60: B Ar C Ode Label

    Product Specification of 42X3 SANKEN PSD 12. B a r Code L ab el & Safety M a rk Position w ta a s, t l 1 « u n s « ; HON v o m G E U K • ®...
  • Page 61 Product Specification of 42X3 SANKEN PSD 3. Output Specification 3.1 Output V oltage & Load Condition é *1 . M a x . O u tp u t P o w er below 3 6 0 W F o r P D P M odu le *2 .
  • Page 62 Product Specification of 42X3 SANKEN PSU 7. Input/Output pin assignment & specification Location No. Specification Vendor C N I0 1 3 - 1 7 6 9 7 6 - 2 ( R e d ) ■ B CN806 CN801 1 7 1 8 2 5 - 7 CN802 1 7 1 8 2 5 - 4 #10 : Vs...
  • Page 63 Product Specification of 42X3 SANKEN PSU 8. A djustm ent detail * Vs Voltage Variabe Resistor - Turn r i g h t , increase Voltage Turn l e f t , decrease Voltage CN8G6 V a a d j. * Va Voltage Variabe Resistor - Turn r i g h t , increase Voltage Turn l e f t , decrease Voltage...
  • Page 64 Product Specification of 42X3 SANKEN PSU 9. P SU Assem bly dimension : 329(W ) x 245(L ) x 40(H ) mm ® t=...
  • Page 65 Product Specification of 42X3 SANKEN PSD 10. Noise Filter(P/N 3 1 4 1 Q 0 0 1 0 1 B ) => V end er : D IT / H AN G SE O N G R E M A R K PAR T N D , P A R T N A M E OOEOOOIPIE...
  • Page 66 Product Specification of 42X3 SANKEN PSD...
  • Page 67 Product Specification of 42X3 SANKEN PSD...
  • Page 68 Product Specification of 42X3 SANKEN PSD 12. B a r Code L ab el & Safety M a rk Position w ta a s, t l 1 « u n s « ; HON v o m G E U K • ®...

  • Page 69: Spare Part List

    PDP4273M1 (COST DOWN)(S- MT8202) LGX3 PANEL USA K 518-421D01 -01K BOTTOM BOX 421D K 1.000000 Piece 2 > 580-421D2A-01AP IB E FOR AKAI PDP42HMD NO PIP 1 000000 Piece 3 > (A5) LGX3 S-MT8202 USA E7501-056002 REMOTE CONTROL K001 AKAI 1 000000 4 >...
  • Page 70 1.000000 Piece SHEET (NITTO GLUE) FOR 421 D(S- MT8202)W/SPK TERMINAL 21> 387-421D02-01 AH MODEL PLATE(GENERAL GLUE) 1 000000 Piece AKAI ENG PDP4273M1 (S-MT8202) LGX3USA H 22> 387-421D02-01BH MODEL PLATE(NITTO GLUE) AKAI 1 000000 Piece ENG PDP4273M1 (S-MT8202) 388-42D103-01H CAUTION PLATE ENG 42D1 H...
  • Page 71 Piece 42D1 47> 579-42D105-01 PROTECTIVE EARTH LABEL FOR 1.000000 Piece ESA 42TD1 48> 590-421D01-08AP W ARRANTY CARD AKAI ENG 1.000000 Piece PDP4273M1(COST DOWN) USA P 49> 593-421D01-12AP AKAI INSERTION CARD ENG 1.000000 Piece PDP4273M1 (COST DOWN) (S- MT8202) USA P 50>...
  • Page 72 57> E3461-000109 WIRE WF FLAT ASSY P2 5 4P 1.000000 Piece L=210 W/O EMI 58> E3471-000064 WIRE WS SHIELD ASSY LVDS 1 000000 Piece P1.25 30P/31P L=300 FOR 42LGX3 MT8202 59> E6205-42LD03 DISPLAY PDP42" LG-42X3 (XGA) 1 000000 Piece 60> E7301-010002 BATTERY AAA R03P1 5V <2>...

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