Hitachi 42HDM12 Service Manual Download Page 40

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T811 EMI FILTER SOCKET TYPE DIT

E061133007

TE03191

T811A HEATED SHRINK TUBE

E075500001

TE02331

0.02M

PL01 PANEL MODULE (FPF42C128128UD-55)

5051253815

DD00671

PWB ASS’Y LOGIC A2 (FPF28R-LGC0045)

5053911086

TS05771

PWB ASS’Y X-SUS A2 (FPF28R-XSS0026)

5053911087

TS05772

PWB ASS’Y Y-SUS A2 (FPF28R-YSS0027)

5053911088

TS05773

PWB ASS’Y ABUS-L A2 (FPF28R-ABL0019)

5053911089

TS05774

PWB ASS’Y ABUS-R A2 (FPF28R-ABR0020)

5053911090

TS05775

CABLE LOGIC-ABUSL A2 (FPF26R-CBL002611)

5000100114

TE02162

CABLE LOGIC-ABUSR A2 (FPF26R-CBL002621)

5000100115

TE02163

CABLE ABUS-SUS A2 (FPF28R-CBL003303)

5000100116

TE02167

CABLE XSUS-ABUS,

YSUS A2

(FPF28R-CBL003103)

5000100117

TE02168

Summary of Contents for 42HDM12

Page 1: ...placement work should be started 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 replaceme...

Page 2: ... original conditions in order to prevent electric shock or fire Perform safety check when done Exercise caution while working on the device as the Monitor contains high voltage parts and power supply It is possible to sustain severe injury or death if you accidentally touch the wrong parts You must disconnect the power supply while servicing reassembling or change parts If you touch a live connect...

Page 3: ...aline detergents alcoholic detergents abrasive cleaners powder soaps OA cleaners car wax glass cleaners and so on They will cause discoloration scratches or cracks 1 Features z High definition Plasma display panel The 42 inch color plasma display panel with a resolution of 1024 H x 1024 V pixels creates a widescreen picture This panel features a thin form factor and can be hung on a wall with an o...

Page 4: ...gnal 17 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 HDMI input terminal HDMI 19 pin Input signals Video signals Composite video PAL SECAM NTSC3 58 NTSC4 43 Component YCBCR YPBPR video 480i 576i 480...

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

Page 6: ...ode Button 5 PC ADJ Button 6 Menu Button 7 Exit Button 8 SEL Button 9 Up Down Left Right Buttons 10 RTN Button 11 Video Button 12 PC Button 13 PIP Input Button 14 PIP Swap Button 15 Aspect Button 16 Sleep Button 17 Zoom Button 18 Freeze Button 19 Mute Button 20 Vol Button ...

Page 7: ...nents z If leaded solder 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 Us...

Page 8: ...0 01 Netural x 0 285 0 01 y 0 293 0 01 Black White x 0 335 0 01 y 0 343 0 01 Note That a colorimetry meter such as a Minolta CA 200 is required to measure the actual screen color temperature Video Picture Mode Natural Brightness 0 100 Contrast 0 100 Color 0 100 Tint 0 100 Sharpness 0 31 Color Temperature Cool 1 Press MENU button on remote control to display the PDP OSD menu Reset Video Color Tempe...

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Page 11: ...or is turned on z Power turn on issue Is the input voltage applied to 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 1...

Page 12: ...es 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 Are the signals applied to P23 of the PBC Main Are there signals on the speaker terminals Yes Yes Yes Speakers PCB Main or PCB I O No No PCB Audio PCB Speaker Connector CN2 15 5 16V GND P23 NC L GND R ...

Page 13: ...voltages of CN10 CN11 on the power supply unit CN10 5V 12V CN11 5V 3 3V 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 ...

Page 14: ... are placed correctly Put new batteries 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 Test again Connect the wire properly Yes Change PCB Main then connect all wires properly Replace the Remote Controller Yes No ...

Page 15: ...er has been well connected to the PCB Key Pad and PCB Main Key pad doesn t work No Yes Change PCB Key Pad and connect all wires properly Check if it works Yes No Change the PCB Main Test again Connect the wire properly Change PCB Speaker connectoer and connect all wires properly Check if it works ...

Page 16: ... PDP No PC signal Yes No Check if the signal frequency is higher than 1024x768 Adjust the signal frequency No Yes Test again Take off the back cover Connect the D Sub cables properly Change the PCB Main Check if PC source is working on other display Check PC by PC Service Provider Yes No ...

Page 17: ...onnect the signal 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 Yes Test again ...

Page 18: ...ignal wire properly Check if the PCB HDMI has been well connected to the PCB Main Connect the PCB HDMI 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 HDMI then check the signal No Change PCB Main board Yes Test again ...

Page 19: ...has been well connected to the PDP Connect RS 232 Cable properly No Test again Yes Take off the back cover Check if all wires have been well connected to the PCB RS232 PCB Main No Connect the wires properly Yes Change the PCB RS232 and see if it works Yes No Change the PCB Main ...

Page 20: ...voltage D020 k J051 Q003 Q004 R005 ect Q200 Q201 Q202 D210 ect Q301 Q302 Q303 D310 ect NO POWER See NO PICTURE SOUND IC101 R005 D151 D101 etc OK NG NG NG NG NG OK OK OK OK NG Over 130V Under 130V NG SEE NO POWER NO Vs Va Vcc FUSE Vcc check voltage D020 k J051 NO PICTURE SOUND See NO PICTURE PC201 PC202 D210 etc OK NG OK Over 130V Under 130V IC001 D601 D604 RL001 PC001 PC003 IC002 etc ...

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

Page 22: ...22 7 Block Diagram z Plasma Monitor ...

Page 23: ...23 z Power Module ...

Page 24: ...24 8 Connection Diagram ...

Page 25: ...re Ass y W4 4P E057408005 D IR Board PWB 0876 5097651412 TS06664 5 P9003A Wire Ass y W4 4P E057404011 TE02305 15 P7002A This wire is included in PCB Key pad assembly E RS 232 Board PWB 0832 5097643008 TS06665 6 P211 Wire Ass y W5 5P E057405008 TE02298 16 P215 Wire Ass y E057401009 TE02753 F Power EMI Board PWB 0905 5097651912 TS06667 7 P814 Wire Ass y W3 3P E057403016 TE02755 G Audio Power Board P...

Page 26: ...25a X SUS PWB Y SUS PWB A BUS L PWB A BUS R PWB See page 41 for p n s located behind Main Board LOGIC PWB Panel Boards Layout ...

Page 27: ...26 10 Basic Block Diagram ...

Page 28: ...27 11 Printed Wiring Board Diagram z Main Board Top Side ...

Page 29: ...28 z Main Board Bottom Side ...

Page 30: ...29 z I O Board Top Side z RS 232 Board Top Side Audio Board Top Side ...

Page 31: ...30 z Audio Transfer Board Top Side L Bottom Side R ...

Page 32: ...31 z Power EMI Board Top Side L Bottom Side R z Speaker Connector Board Top Side L Bottom Side R z Key Pad Top Side L Bottom Side R z IR Board Top Side L Bottom Side R ...

Page 33: ...32 z HDMI Board Top Side L Bottom Side R ...

Page 34: ...33 z Power Board ...

Page 35: ...34 12 Disassembly Diagram z Mechanical ...

Page 36: ...35 z Packing ...

Page 37: ...el Supporter Mylar E646522200 TJ03541 5 M15 Washer E646522300 TJ03551 4 M16 NON WOVEN FABRICS E642025809 TJ05171 2 M17 GASKET 585X10X1 E642025339 TJ03951 2 M18 GASKET 963X10X1 E642025309 TJ03952 2 M19 GASKET 624X5X1 E642025316 TJ03953 2 M20 GASKET 1025X5X1 E642025315 TJ03954 2 M21 GASKET E642025349 TJ03575 1 M22 Special Screw E640223000 TJ03772 2 M23 Wire Saddle E640104007 TJ05181 2 M24 Wire Saddl...

Page 38: ...030409339 TJ03605 1 M39 Grip Joint I534100356 TJ04071 4 M40 Clip PE Bag I533251157 TJ03606 1 M42 Lead Disposal E030539003 TS06177 1 M44 EPS Bottom BM I524100356 TJ05221 1 M45 Main Power SW Attention Sheet E030039011 TJ05231 1 ...

Page 39: ...1 Y002 WARRANTY CARD USA E030230017 TE03171 1 Y003 QUICK SETUP GUIDE E030039009 TE03181 1 Y007 WARRANTY CARD CANADA E030230018 TE03172 1 GL01 SCREEN FILTER 42 5771900152 KS06492 1 J001 QUICK TIE 5071000531 TJ03631 16 UA02 POWER MODULE 6693006618 TS06011 1 P201 WIRE ASSEMBLY W2 2P E057402005 TE02291 1 P203 WIRE ASSEMBLY W11 10P E057411001 TE02292 1 P204 WIRE ASSEMBLY W31 30P E057431005 TE02293 1 P2...

Page 40: ...R XSS0026 5053911087 TS05772 1 c PWB ASS Y Y SUS A2 FPF28R YSS0027 5053911088 TS05773 1 d PWB ASS Y ABUS L A2 FPF28R ABL0019 5053911089 TS05774 1 e PWB ASS Y ABUS R A2 FPF28R ABR0020 5053911090 TS05775 1 f CABLE LOGIC ABUSL A2 FPF26R CBL002611 5000100114 TE02162 1 g CABLE LOGIC ABUSR A2 FPF26R CBL002621 5000100115 TE02163 1 h CABLE ABUS SUS A2 FPF28R CBL003303 5000100116 TE02167 1 i CABLE XSUS ABU...

Page 41: ...BLY PCB HDMI 5097653206 ASSEMBLY PCB SPEAKER CONNECTOR 5771900152 SCREEN FILTER 42 6693006618 POWER MODULE Part Number Description FPF29R ABL0030 ABUS L PWB FPF29R ABR0031 ABUS R PWB FPF29R LGC0057 LOGIC PWB FPF29R XSS0037 X SUS PWB FPF29R YSS0038 Y SUS PWB FPF42C128128UE5 42 PANEL 5095854735 STAND ASSY 5097639914 ASSEMBLY PCB AUDIO 5097643008 ASSEMBLY PCB RS 232 BOARD 5097651805 ASSEMBLY PCB I O ...

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