Hitachi 42HDF52 - 42" Plasma TV Service Manual Download Page 28

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5052110009

TUNER MODULE

5053911077

ATSC MODULE (not shown, mounted externally on rear cover)

5095670807

AUDIO PWB ASSY

5097642804

CONNECTOR PWB ASSY

5097643007

RS-232 PWB ASSY

5097651400

KEY PAD PWB ASSY (includes IR PWB)

5097651400

IR PWB ASSY (includes KEY PAD PWB)

5097651600

MAIN PWB ASSY

5097651800

I/O PWB ASSY

5097651900

POWER/EMI PWB ASSY

5097653200

SPEAKER CONNECTOR PWB ASSY

6693006618

POWER UNIT MP7421

FPF28R-ABL0019

ABUS-L BOARD

FPF28R-ABR0020

ABUS-R BOARD

FPF28R-LGC00450

LOGIC BOARD

FPF28R-XSS0026

X SUS BOARD

FPF28R-YSS0027

Y SUS BOARD

Chassis Boards

Panel Boards

View of Lower Circuit Board Layer (Panel Boards)

View of Top Circuit Board Layer (Chassis Boards)

42HDF52

Summary of Contents for 42HDF52 - 42" Plasma TV

Page 1: ...arted after the Panel Module and the AC DC Power supply have become sufficiently cool 3 Special care should be taken when working near the display area in order not to damage its surface 4 The Panel Module should not be touched with bare hands in order to protect its surface from blemishes and damage 5 It is recommended that you use clean soft gloves during the replacement work in order to protect...

Page 2: ... or other measures As such yo must restored these pa c shock or fire Perform safety check when done Exercise caution while working on th device as the Monitor contains high voltage parts and power supply It is possible to sustain severe injury or dea if you accidentally touch the wrong parts You must disconnect the po supply while servicing reassembling or change parts If e th wer you touch a live...

Page 3: ...onnected to a VESA DPMS compliant PC the monitor cuts its power consumption while idle PRECAUTIONS Cleaning the monitor s plasma screen panel Before cleaning the monitor turn it off and disconnect the power plug from the power outlet To prevent cratching or damaging of the plasma screen face do not knock or rub the surface with sha s C enough then use a cloth with mild deter Cleaning the monitor s...

Page 4: ... composite TTL level 2kΩ Recommended signal Analog 20 modes Digital 18 modes Video input Input terminals COMPOSITE VIDEO input terminal RCA L R COMPOSITE AUDIO input terminal RCA S VIDEO input teminal RCA L R S VIDEO AUDIO input terminal RCA Y PB CB PR CR input terminal RCA L R Y PB CB PR CR AUDIO input terminal RCA Input signals Video signals NTSC M 480i 480p 1080i 60 720p 60 Video output Signal ...

Page 5: ...nction can be found on the inside of the control panel cover 1 POWER 4 RIGHT X 7 SELECT 2 CHANNEL S 5 VOL W 2 UP S 5 LEFT W 3 CHANNEL T 6 INPUT 3 DOWN T 6 EXIT Normal Button Action 4 VOL X 7 MENU Button Action when MENU engaged Power lamp Remote control receiver Main power switch The main power switch is located at the back on the right side 5 ...

Page 6: ...N Button 11 Exit Buttons 12 Menu Button 13 Up Down Left Right Button 14 SEL Button 15 Ch Button 16 Vol Button 17 DTV Menu Button 18 Back Button 19 OK Button 20 Fav ch Button 21 Info Button 22 PC ADJ Button 23 Freeze Button 24 C C Button 25 Aspect Button 26 P Mode Button 27 Zoom Button 28 MTS Button 29 PIP Swap Button 30 PIP Input Button 31 Sleep Button 6 ...

Page 7: ...lder should be added to existing lead free joints mix in the leaded solder thoroughly after the lead free solder has been completely melted do not apply the soldering iron without solder Servicing soldering iron A soldering iron with a temperature setting capability temperature control function is recommended The melting point of lead free solder is higher than leaded solder Use a soldering iron t...

Page 8: ... 327 0 01 BLACK WHITE 0 335 0 01 0 343 0 01 Table 1 continued Video Color Tem perature Cool MENU Video Im age Audio Language System Video Picture Mode Tint Sharpness Color Tem perature Reset Dynam ic1 Cool1 O O SEL SEL Video Color Tem perature Video Color Tem perature Video Color Tem perature Natural W arm Black White Instruction Remote OSD 1 Press the MENU button on remote 2 Scroll or until Video...

Page 9: ...or temperature as measured on the screen is within the specs shown in Table 1 Video Color Temperature Cool Video Color Temperature Cool Cool Adj Video Color Temperature Cool Cool Adj SLEEP SLEEP SLEEP SEL Video Cool Adj Red 255 Green 194 Blue 252 Notes 2 Depending on which temperature is being adjusted Could be any of the following Cool Adj Natural Adj Warm Adj Black White Adj Video Warm Adj Red 2...

Page 10: ...Power supply unit CN61 Power cannot be turn on LED does not light No Yes AC inlet Check if the Power Cord has been well connected to TV Connect the wire properly No Yes PBC Main Are the voltages applied to CN10 pins and CN11 pins of Power supply unit Yes Power switch AC Fuse 5HTP10 TL 510A 250V Filter PWB CN61 110V L W CN10 5V 12V 12V CN11 5V 3 3V 3 3V 5V Power supply unit No Test again Note Volta...

Page 11: ... or PCB I O Speakers Yes Yes Are there signals on the speaker terminals Power supply unit No sound Yes No Check No Take off the back cover and check ifl wires of the speakers terminals have been well connected to the PCB Main and speakers Are the voltages applied to CN2 of the power supply unit Picture is displayed But no sound Yes No 11 ...

Page 12: ...V st 5V Is it the power saving mode Green Is voltage applied to CN11 st 5v PCB Main No Yes Input signal cables or PCB Main Are the voltages applied to CN64 of the power supply unit correct Yes Panel module Yes No Power supply unit No Power supply unit Note Voltage shown for CN10 and CN11 are at Power On State Power off voltages are 0V except CN11 Pin 10 this voltage is always present CH 2 ...

Page 13: ...atteries to the remote control No Yes Take off the back cover Check if the wire of PCB IR has been well connected to the PCB Main No Change the PCB IR then check if it works Replace the Remote Controller Change PCB Main then connect all wires properly No Yes Connect the wire properly Test again Remote controller doesn t work 13 ...

Page 14: ...as been well connected to the PCB Key Pad and PCB Main No Yes Change PCB Key Pad and connect all wires properly Check if it works Yes No Change the PCB Main Connect the wire properly Change PCB Speaker connectoer and connect all wires properly Check if it works Test again Key pad doesn t work 14 ...

Page 15: ...DP Yes No Check if the signal frequency is higher than 1024x768 Adjust the signal frequency No Yes Take off the back cover Connect the D Sub or DVI cables properly Change the PCB Main Yes No Check PC by PC Service Provider Check if PC source is working on other display Test again No PC signal 15 ...

Page 16: ...el Search function No Yes Check if the Assembly PCB Video has been well connected No Yes Change the NTSC Tuner Board and check if it works Make sure the OSD TV source option is correct Cable Air No Yes Select to the correct option Connect the Assembly PCB Video properly Yes Change the PCB Main No Connect the TV cable properly Test again No NTSC TV Signal 16 ...

Page 17: ...ctor Be sure have done the channel scan Connect it firmly Connect it firmly Is the signal received Problem has been resolved Problem has been resolved Make auto scan Is the signal received Change the tuner module Is the signal received Problem has been resolved Cannot receive any digital channel Yes No No Yes No Yes No Yes No No Yes Yes 17 ...

Page 18: ... Problem has been resolved Is it in MUTE mode Press MUTE or VOL so that audio work Be sure this channel was been locked Change the tuner module No audio service Yes No Problem has been resolved Problem has been resolved No Scan this channel by using Manual Scan No Is the audio work Yes Yes Yes No No Yes No Yes 18 ...

Page 19: ...nal wire properly Check if the PCB I O has been well connected to the PCB Main Connect the PCB I O properly No Yes Take off the back cover Check if Wire Ass y 31P has been well connected to PCB Main No Yes Connect Wire Ass y 31P properly to the PCB Main Change the PCB I O then check the signal No Change PCB Main board Test again Yes No signal 19 ...

Page 20: ...04 R005 ect Q200 Q201 Q202 D210 ect Q301 Q302 Q303 D310 ect Over 130V NG OK OK OK OK NG NG NG NG NG OK See NO PICTURE SOUND Under 130V D151 D101 etc IC101 R005 NO POWER 2 No picture and sound NG SEE NO POWER NO Vs Va Vcc FUSE Vcc check voltage D020 k J051 OK NG OK See NO PICTURE Under 130V IC001 D601 D604 RL001 PC001 PC003 IC002 etc PC201 PC202 D210 etc NO PICTURE SOUND Over 130V 20 ...

Page 21: ...DP module Va NG impedance check Vs LINE NG D551 D550 Open connector CN64 OK PDP module Vs NG NG Va no uprise Vs down after up D351 Open connector CN64 OK NG OK NG impedance check Va LINE Vs no uprise Va down after up Q303 PC301 PC302 D310 etc Q501 D510 Q500 PC501 PC502 etc NO PICTURE 21 ...

Page 22: ...Packing 22 ...

Page 23: ...7 Block Diagram Plasma Television 23 ...

Page 24: ...ATSC Module 24 ...

Page 25: ...Power Module 25 ...

Page 26: ...8 Connection Diagram 26 ...

Page 27: ...57409002 TE02296 Wire Ass y W4 4P E057408005 D RS 232 Board PWB 0832 5097643007 TS05974 5 P9003A Wire Ass y W4 4P E057404011 TE02305 15 P7002A This wire is included in PCB Key pad assembly E Power EMI Audio Transfer Board PWB 0905 5097651900 TS05975 6 P211 Wire Ass y W5 5P E057405008 TE02298 F Audio Board PWB 0807 5097639909 TS05976 7 P814 Wire Ass y W3P E057403010 TE02303 G ATSC Connector Board P...

Page 28: ...097651600 MAIN PWB ASSY 8 5097651800 I O PWB ASSY 9 5097651900 POWER EMI PWB ASSY 10 5097653200 SPEAKER CONNECTOR PWB ASSY 11 6693006618 POWER UNIT MP7421 12 FPF28R ABL0019 ABUS L BOARD 13 FPF28R ABR0020 ABUS R BOARD 14 FPF28R LGC00450 LOGIC BOARD 15 FPF28R XSS0026 X SUS BOARD 16 FPF28R YSS0027 Y SUS BOARD Chassis Boards Panel Boards View of Lower Circuit Board Layer Panel Boards View of Top Circu...

Page 29: ...10 Basic Block Diagram 29 ...

Page 30: ...11 Section Removed 12 Disassembly Diagram Mechanical 30 ...

Page 31: ... 5642430600 TS05958 1 M4 SPK Cover E641105000 TJ03611 1 M5 Stand Ass y 5095954634 TS05961 1 a Base Cover 5641416202 TS05962 1 b Foot Pad 5642033701 TS05963 10 c Base Bracket E648746900 TS05964 2 d Base Plate 5642731400 TS05965 1 e PPN M5X6 S Zn Cc 7190561506 TS05966 8 f BTBW M4X10 7000305102 TS05967 7 g SPONGE 582x12x14 E642026414 TS05968 1 M6 Power Cap 5641100500 TJ03501 1 M7 Edge Saddle 56426785...

Page 32: ... 2 M23 Tray I514104256 TJ03591 1 M24 EPS Bottom BR M25 EPS Bottom BL I524100256 TJ03602 1 M26 EPE Bag 1350X1200 I534095256 TJ03603 1 M27 HS Carton I514100156 TJ03601 1 M28 EPS Top TR M29 EPS Top TL I524100156 TJ03604 1 M30 Shipping Label E030409339 TJ03605 2 M31 Clip PE Bag 240X340 I533251157 TJ03606 1 M32 EPE Bag 765X90 I534100156 TE02351 1 M33 EPE Bag 825X150 I534100256 TE02352 1 M34 Image Reten...

Page 33: ...ALINE E050100001 TE02341 2 USER S MANUAL 5030039001 TE02281 1 Y001 USER S MANUAL WITH FRENCH 5030039003 TE02284 1 Y002 WARRANTY CARD E030230010 TE02282 1 Y003 QUICK SETUP GUIDE E030039002 TE02283 1 Y005 TEMP CAUTION LABEL 5030539005 TE02285 1 GL01 SCREEN FILTER 42 5771900152 KS06492 1 H001 TUNER MODULE 5052110013 TS05991 1 J001 QUICK TIE 5071000531 TJ03631 10 UA01 ATSC MODULE 5053911077 TS06001 1 ...

Page 34: ...00671 1 S811 POWER SWITCH HUA JIE 5054524535 TJ03641 1 SP01 SPEAKER BOX ASSEMBLY E055100002 TE02321 1 T811 EMI FILTER SOCKET TYPE DIT 5061114300 TJ03651 1 T811A HEATED SHRINK TUBE E075500001 TE02331 0 015M 5B01A MODEL LABEL TMX 5030538101 TJ03661 1 5B01A MODEL LABEL TCN 5030538001 TJ03662 1 FPF28R ABL0019 ABUS L BOARD FPF28R ABR0020 ABUS R BOARD FPF28R LGC00450 LOGIC BOARD FPF28R XSS0026 X SUS BOA...

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