This service manual is only for service personnel to take reference with. Before servicing Attention: please read the following points carefully. Safety precautions 1. Instructions Be sure to switch off the power supply before replacing or welding any components or inserting/plugging in connection wire Anti static measures to be taken (throughout the entire production process!): a) Do not touch here and there by hand at will;...
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2.11 Special care must be taken in transporting or handling it. Exquisite shock vibration may lead to breakage of screen glass or damage to driving circuit. Therefore it must be packed in a strong case before the transportation or handling. 2.12 For the storage make sure to put it in a place where the environment can be controlled so as to prevent the temperature and humidity from exceeding the limits as specified in the manual.
2. Alignment instructions (1) Test equipment VG-859 (YPbPr, VGA, HDMI signal generator) FLUKE 54200(TV signal generator) CA310 (white balancer) (2) Power test Connect main board, power board and IR board according the wiring diagram, connect the power and press power key (Remote controller or Keypad) button to turn on the TV. a) Test the pin voltage of P802/power board , the data is shown in table1: Table1 voltage data of P802 For 39”...
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(3) Alignment flow-chart The alignment flow-chart is shown as fig-1 Check if EDID, HDCP KEY, FLASH are written Combined test for general assembly Auto Gamma adjustment Connect to the center signal source and check each Function of TV (station leaking, analog control, etc.) Check the output of speaker.
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(4) Adjustment instruction At any input source then press the “←”, “EXIT” and “OK” (using RC within 1 sec) to enter factory mode During Factory menu, if “EXIT” key is pushed, system will exit factory mode. 4-1. Auto Gamma Adjustment & Check 4-2.1.
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(5) Items of Factory menu When in any source, press the “Left -> Exit -> Enter” key of remote control can enter into factory mode. During Factory menu, only “EXIT” key is pushed, system will exit factory mode. Press up and down key can move high light item from Model Change -> Color Temp. Adjust -> Auto Gamma Adjust ->...
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7)ADC Calibration ADC Calibration function is reserved for calibration by hand (PQ engineer only). 8)Shipping reset Reset all settings of OSD menu to default value. Reset settings: Channel table, Model table (H/V Position, Clock, Phase), Source dependent setting (Contrast, Brightness etc.), Common setting (Volume, Language etc.), Parental Control (Rating, Password etc), Closed Caption.
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6-4 HDMI terminal Input HDMI signal (VG859 signal generator), separately input the signals listed in table6 and check the display and sound (32 KHz, 44.1 KHz, 48 KHz) at any situation (power on, channel switch and format convert, etc.) Table6 HDMI signal format HDMI 1/2/ PIXEL...
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6-5 other functions check a) Check the sleep timer, picture/sound mode, OSD, stereo and analog TV Teletext, etc. (7) Firmware update process (1) Plug the USB with the firmware file named upgrade_2013_NA_60.pkg (2) If system detect upgrade_2013_NA_60.pkg, USB upgrade message would appear automatically. (3) Press Up key to select Yes, and then press OK key to start the upgrading.
Working principle analysis of the unit 1. NTSC signals flow: Antenna sig nal will be send to tuner TDST-H021F, t h e n T u n e r w i l l b e demodulating and output standard video signal TV-CVBS, and sound SIF signal. TV-CVBS will send to the master control IC MT5385 to video decode, de-interlace and scaler, then output LVDS level drive for panel display.
IC block diagram 1. MT5385 GENERAL FEATURE LIST Host CPU ARM11 single core 700MHz Floating Point Unit 16K I-Cache and 16K D-Cache for ARM11 core 128K L2 Cache Boot ROM Boot from serial flash, NAND flash ...
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Video Plane Supports video freeze and over scan Flesh tone management Gamma correction Color Transient Improvement (CTI) Peaking Saturation/hue adjustment Brightness and contrast adjustment Black and White level extender Adaptive Luma management ...
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Supports 6/8/10-bit one-link, 6/8/10-bit dual-link LVDS transmitter Built-in spread spectrum for EMI performance Programmable panel timing output Mini-LVDS Dual port 8-bit 6 pairs mini-LVDS output CVBS In On-chip 54 MHz 10-bit video ADC Supports PAL (B,G,D,H,M,N,I,Nc), NTSC, NTSC-4.43, SECAM ...
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Stereo demodulation, SAP demodulation Mode selection (Main/SAP/Stereo) Audio DAC Supports 2-pair audio DACs DRAM Controller 16-bit DDR2/DDR3 interface Supports DDR2 1066Mhz, DDR3 1333Mhz Supports 512Mb or 1Gb or 2Gb DDR2 and DDR3 DRAM device Supports DDR2-1066/DDR3-1333/DDR3-1600 device ...
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Digital TV (ATSC / Open-Cable) Demodulator Compliant with ATSC digital television standard Supports SCTE DVS-031 and ITU J.83 Annex B digital CATV standard Accept direct IF (44 MHz or 43.75 MHz) and low IF (5.38 MHz) NTSC interference rejection capability ...
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2. TI TAS5707 20-W STEREO DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC...
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7-2 Wiring Connection CMI panel Main board to Panel Main board to Speaker SPE39T SPE39T DC02L00720I DC02A00160I 500 mm L:280 & R:480 mm Panel side Main board CN1 Main board CN4 Speaker PKS24020P51 LVDS cable JWT A2006H00-2X20P JWT A2001WR2-4P Color Right 1 NC 1 SPK_OUTL+...
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16 ORX2- White 36 TX_AO2N 3 GND Black 3 GND 17 ORX2+ 35 TX_AO2P 4 LED_G Orange 4 LEDG 18 GND Black 15 GND 5 LEDR 19 OCLK- White 34 TX_AOCKN 6 Light_S_C 20 OCLK+ Orange 33 TX_AOCKP 7 Light_S_D 21 GND Black 16 GND...
8. Trouble shooting 1. Fault clearance Before calling your dealer or service center for assistance, check the matters below once again. (1) Make sure you have connected LED TV to your equipment as described in the section “ CONNECTING LED TV”. (2) Check cable connection.
2. Troubleshooting guide The flow chart shown below will help you to troubleshoot your Televison set with it doesn’t display normally. Each procedure offers a simple way to check for system errors. Before starting, ensure that there is a signal in and that the Televison is turned on. 2-1 Power LED no light...
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2-2 Has audio but no video out Has video but no audio out step 1...
11 Disassembly and Assembly Instructions 11.1. PEDESTAL 1. Lay down the unit so that the rear cover faces upward. 2. Remove the 4 screws. 3. Remove the Pedestal_assy 11.2. Back cover 1. Remove the 23 screws. 2. Remove the Back cover.
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11.3. P-Board 1. Remove the 4 screws. 2. Disconnect the key board connectors (P1) & P-board connectors (PW P1, PW P2) 3. Remove the P-Board. 4. Remove the key button & key board. 11.4. M-Board 1. Remove the 2 screws. 2.
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11.5. Speaker unit 1. Remove the speaker units. 2. Remove the 4 screws. 3. Remove the speaker bracket x 4pcs. 11.6. Metal parts 1. Remove the 4 screws. 2. Remove the metal (metal bracket bottom ). 3. Remove the 4 metal (LCD MTG side).
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11.7. IR-Board 1. Disconnect the connectors (IR P1). 2. Remove the IR-Board. 11.8. LED Panel 1. Remove the LED panel.
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PE39T SERVICE MANUAL CHANGE LIST DATE Page VERSION CHANGE ITEM 48-49 Update the APPENDIX parts list 26 / Feb. 2013 Exploded view add the tape location of item 46...