Func PH-42HK31 Service Manual

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PDP TELEVISION

PH-42HK31

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Summary of Contents for Func PH-42HK31

Page 1 PDP TELEVISION PH-42HK31...
Page 2: Table Of Contents
CONTENTS Safety precautions………………………………………………………………………..… Alignment instructions …………………………….…….………………………………… Working principle analysis of the unit……………………………….………….…………. Block diagram…………………………………..………………………………….………… IC block diagram………………………………………………………………………..…… Wiring diagram ……………………………………………………………………………. Troubleshooting guide ………………………………………………………………..…… Schematic diagram………………………………………………………………………… APPENDIX-A: Assembly list APPENDIX-B: Exploded View...
Page 3: Safety Precautions
Attention: This service manual is only for service personnel to take reference with. Before servicing please read the following points carefully. Safety Precautions Please read the “Points for attention for the Maintenance & Repair of PDP” and “Criterion for Identifying the Defects on Screen” as below, before inspecting and adjusting the TV set. 1.
Page 4 1.10 There is quite a number of circuits in PDP that are integrated ones. Please be on guard against static electricity. During maintenance operation be sure to cover yourself with anti-static bag and before operation make sure to have it sufficiently grounded. 1.11 There are a big number of connection wires distributed around the screen.
Page 5: Alignment Instructions
dirt from falling in between the screen and the glass lest it should harm the receiving and viewing effect. 1.21 There is piece of insulator stuck on the rear chassis corresponding to the power supply board. It is used to isolate the cool part from the hot part. Please take care to keep it intact lest it should become a potential safety trouble.
Page 6 3.1 Initialization The items are only for some units which have special demands. They do not need to be adjusted for normal units. Enter factory menu, select “OPTION” and “HOTEL OPTION” sub-menu, adjustment of items to see table1. Table1 sub-menu adjustment Items Preset Introduce...
Page 7 to let the color coordinate of the thirteenth /seventh (PDP) level be (285,293) (CPT panel)/ (280,275) (PDP LG panel). Repeat adjust R OFF, G OFF, R GAIN and G GAIN, until the color coordinate of the two level gray scale be (285,293) (CPT panel)/ (280,275)(PDP LG panel). 3.3.2 VGA/YPbPr/ AV white balance check and correct a.
Page 8: Working Principle Analysis Of The Unit
4.9 software instruction Flash write code model function method before paste N303 5272404002 AT24C04IV-10SU-2.7 HDCP FSX.2A3360-034 N305 5272540003 EN25F40 flash FSX.2A3360-062 N202 5272402002 AT24C02BN10SU-1.8 VGA EDID FSX.2A3360-030 N501 5272404002 AT24C02BN10SU-1.8 HDMI EDID FSX.2A3360-030 N502 5272404002 AT24C02BN10SU-1.8 HDMI EDID FSX.2A3360-030 N503 5272404002 AT24C02BN10SU-1.8 HDMI EDID FSX.2A3360-030 N601 5270008001 ATMEGA8L-8AI...
Page 9: Block Diagram
Block diagram...
Page 10: Ic Block Diagram
IC block diagram 1. MST9U89BL The MST9U89BL is a high performance and fully integrated IC for multi-function LCD monitor/TV with resolutions up to full HD (1920x1080). It is configured with an integrated triple-ADC/PLL, an integrated DVI/HDCP/HDMI receiver, a multi-standard TV video and audio decoder, two video de-interlacers, two scaling engines, the MStarACE-3 color engine, an on-screen display controller, an 8-bit MCU and a built-in output panel interface.
Page 11 2. R2S10401SP R2S10404SP is a semiconductor integrated circuit consisting of PLL split-carrier VIF/SIF signal processing system compliant with PAL.
Page 12 3. TPA3120D2 The TPA3120D2 is a 20-W (per channel) efficient, Class-D audio power amplifier for driving stereo single ended speakers or mono bridge tied load. The TPA3120D2 can drive stereo speakers as low as 4Ω. The efficiency of the TPA3120D2 eliminates the need for an external heat sink when playing music.
Page 14: Wiring Diagram
Wiring diagram...
Page 15 Trouble shooting 1. Fault clearance Before servicing please check to find the possible causes of the troubles according to the table below. 1.1 Antenna (signal): Picture is out of focus or jumping Bad status in signal receiving Poor signal Check if there are failures with the electrical connector or the antenna.
Page 16 signal types. Picture too bright and there is Check if the contrast setting is too high. distortion in the brightest area Possibly the output quality of DVD broadcaster is set too high. It maybe also due to improper terminal connection of the video frequency signal in a certain position of the system.
Page 17: Troubleshooting Guide
2. Troubleshooting guide 2.1. The panel doesn’t light Connect the power, check if the red indicator is light in STANDBY? Check if X403 PIN9 (5V) of Press POWER button on the main board is normal? unit or remote sensor control and check the indicator.
Page 18 2.2. Have back light, but no picture Check if the unit button Does display remote control menu in screen when operation? press menu button? Check if the all channels have no signal? HDMI/VGA/YPRPB Enter factory-menu, Which channel is initialization EEPROM, no signal? Replace then turn off the TV,...
Page 19 2.3. Have picture, but no sound Check if X203 on main board has signal output? Check if the relevant pins of the The speaker has problem. sound amplifier have square wave output? Check Check sound back-circuit of the amplifier has signal input sound amplifier through R201, R202? Check if N304 has...
Page 28 APPENDIX-A: Main assembly 9342HK3110 MAIN COMPONENT AND IT'S NO. NAME N304 MST9U89 (5270989003) Main board 6HK0040110 N602 R2S10401 (5271040101) N203 TPA3120 (5273120001) AV connection board 6HK0094610 Key board 6HU0670510 IR board 6HU0670910 Power filter board 6FK01051A0 Power board 6HA01820A0 RC-Y56 Remote control 6010Y05600 S42AX-YB03...
Page 29: Appendix-B: Exploded View
APPENDIX: exploded view...
Page 30 PART LIST OF EXPLODED VIEW DESCRIPTION decorative bar front cabinet key board button filter glass upsh board (upper) upsh board (left) panel main frame CPU board back baffle wall mounting bracket connection bracket speaker speaker back cover back cabinet stand line clasp wall mounting bracket analog board...
Page 31 9342HK3110 Ver.1.0...