Philips 55PFL5755 Service Manual
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Philips 55PFL5755 Service Manual

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9.
"PHILIPS and the PHILIPS' Shield Emblem are registered trademarks of
Koninklijke Philips Electronics N.V. and are used under license from
Koninklijke Philips Electronics N.V."
Page
2
6
10
11
12
15
38
44
47
1
Chassis
MT62
55PFL5755
2010-Aug-28

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Summary of Contents for Philips 55PFL5755

  • Page 1: Table Of Contents

    3. SOFTWARE UPGRADE PROCEDURE VOLTAGE CHART BLOCK DIAGRAM CIRCUIT DIAGRAM TROUBLESHOOTING PCB LAYOUT EXPLODED VIEW "PHILIPS and the PHILIPS' Shield Emblem are registered trademarks of 2010-Aug-28 Koninklijke Philips Electronics N.V. and are used under license from Koninklijke Philips Electronics N.V."...

  • Page 2: Safety Precaution

    1. SAFETY PRECAUTION Caution : Use of controls, adjustments or procedures other than those specified herein may result in hazardous radiation exposure. CA UTION: TO REDUCE THE RISK OF CAUTION ELECTRICAL SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER SERVICEABLE RISK RISK OF ELECTRI ELECTRIC...
  • Page 3 IMPORTANT SAFETY INSTRUCTIONS CAUTION: Read all of these instructions. Save these instructions for later use. Follow all Warnings and Instructions marked on the audio equipment. 1. Read Instructions- All the safety and operating instructions should be read before the product is operated. 2.
  • Page 4 PROTECTION AND LOCATION OF YOUR SET Do not use this television set near water ... for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet basement, or near a swimming pool, etc. Never expose the set to rain or water. If the set has been exposed to rain or water, unplug the set from the wall outlet and refer servicing to qualified service personnel.
  • Page 5 OPERATION OF YOUR SET 18. This television set should be operated only from the type of power source indicated on the marking label. If you are not sure of the type of power supply at your home, consult your television dealer or local power company. For television sets designed to operate from battery power, refer to the operating instructions.

  • Page 6: Service Procedure

    2. Service Procedure 2.1. Factory Menu Follow the below steps to pop-up the Factory Menu in case of “Factory Key” is disabled : - press Remote Control key “MENU” to display main menu - Select “Picture” and press “OK” key to enter the picture submenu - Select “Contrast”...
  • Page 7 “Factory Menu” Definition System Item Sub-item Value Note Factory Key Off/On OFF hotkey is invalid hotkey(blue key) is availability Boot: Enter power on mode Power Mode Boot/ Standby: Enter standby mode Standby/ Last Status: power on according to last status Last Status Select panel On with left/right key, Press “EXIT”...
  • Page 8 There is no “Adaptive Backlight” item, “Auto/Low/Mid/High” “Backlight” “ADP low control point” “ADP mid control point” “ADP high control point” are in the “feature” page. There is only “Backlight” item instead of “Backlight Low” “Backlight Mid” “Backlight High”. It set the backlight value of current backlight mode. ADC Calibration Item Sub-item...
  • Page 9 5) Sound Item Sub-item Value Note Sound VOL_0 VOL_10 VOL_50 VOL_90 VOL_100 6) Version info Item Sub-item Value Note Version info Project: Panel: MT62 Ver: Date: MCU Ver:...

  • Page 10: Software Upgrade Procedure

    3. Software Upgrade METHOD - 1 : 1. Save the new software file(*.pkg) in the root directory of USB, and modify it’s name as upgrade.pkg. 2. Plug in the USB. 3. Power on the set. 4. Connect the USB to TV set. 4.

  • Page 11: Voltage Chart

    4. Voltage Measurement INFO: All tests and measurements mentioned hereafter have to be carried out at a normal mains voltage (220 ~ 240 VAC), All voltages have to be measured with respect to ground, unless otherwise stated, All final tests have to be done on a complete set including LCD panel in a room with temperature of 25+/-7°C, The White Balance (color temperature) has to be performed into subdued lighted room after at least 1 hour of warm-up/burn-in.

  • Page 12: Block Diagram

    5. Block Diagram...
  • Page 13 Power Supply Flow Diagram 24V/4.5A 24V/4.5A INVERTER STB-PWR 3V3SB U811 RT9166-33 +12V 24V/1A DV33 RT8110 RT8110 LD1117S33 AIC1084 AV33 LD1117S33 AV125 AZ1084 LD1117S U811 AV25 RT9166-33 LD1117S25 TUNER-5V LD1117S50 DV11 MP1484 UM20 VDD-1V28 MP1484 DDR-1V8 MP1484 DV11-B MP1484 PANEL-TCON AO4459...
  • Page 14 I2C BUS Flow Diagram I2C BUS UM21 U700 M24C16 SII9187A MST6M20 STA335B TUNER BUS STV0297 TUNER TUNER LNBH23...

  • Page 15: Circuit Diagram

    C561 470U C560 470U C252 R480 3300P C246 R482 3300P C377 0.1U 220U 100U 100U 220U C245 0.1U 100U AV33 24V_MAYBE GND/ADJ C234 0.1U 100U GND/ADJ GND/ADJ GND/ADJ C236 0.1U C461 100U 470U C244 0.1U C201 C563 470U R445 220R C197 R134 3300P...
  • Page 16 R700 R332 R334 NC/10K NC/10K R337 R325 C382 0.1U C383 0.1U...
  • Page 17 R157 Z199...
  • Page 18 VSS1 VSS2 VSS3 VSS4 VSS5 VSSQ1 VSSQ2 VSSQ3 VSSQ4 VSSQ5 VSSQ6 VSSQ7 VSSQ8 VSSQ9 VSSQ10 VSS1 VSS2 VSS3 VSS4 VSS5 VSSQ1 VSSQ2 VSSQ3 VSSQ4 VSSQ5 VSSQ6 VSSQ7 VSSQ8 VSSQ9 VSSQ10 C321 0.1U...
  • Page 19 NC/4K7 R1008 100K OSCL0 USB_GND R132 OSDA0 USB_DM0 USB_DP0 USB_VCC R154 100K...
  • Page 20 Z200 AV33...
  • Page 21 VGASDA VGASCL R234 R238 VGA_SDA GREEN BLUE Z107 Z105 VGA_SCL...
  • Page 22 D155 Z127 RXC0 V270RA RX1N TXC0 RX1P TX1N TX1P D156 V270RA C602 D159 D166 D167 V270RA V270RA V270RA R152 R153 V270RA V270RA...
  • Page 23 R108 R263 NC/100R C391 Z193 Z194 Z192 V270RA Z196 Z195...
  • Page 24 R1770 R1674 NC/10K NC/10K C614 C609 220P 220P C758 NC/10U R346 R377 R417 R418 R419 100P C253 100P C435 R303...
  • Page 25 C737 C738 C740 C735 0.22U 0.22U 0.22U 0.22U BT3906 Q701 C709 AMP_+12V C130 100U...
  • Page 26 R1PWR5V HPD1 DSCL1 DSDA1 R0PWR5V HPD0 DSCL0 DSDA0 RSVDL_2 VCC33_2 R3X2P R3X2N R3X1P R3X1N R3X0P R3X0N R3XCP R3XCN...
  • Page 27 100U R380 100K R410 R392 R384 R395 R396 NC/4K7...
  • Page 28 C516 TS_C_DATA7 TS_C_DATA6 TS_C_DATA5 GPIO4 TS_DATA7 TS_C_DATA4 TS_DATA6 TS_DATA5 TS_DATA4 DV33_DEMOD VDD_IO_3V3_2 GND2 DV11_DEMOD VDD2 TS_C_DATA3 TS_DATA3 TS_C_DATA2 TS_DATA2 TS_C_DATA1 TS_DATA1 DEMOD_DATA TS_DATA0 TS_ERR DEMOD_VALID TS_VAL DEMOD_SYNC TS_SYNC DEMOD_CLK TS_CKOUT...
  • Page 29 NC/0.33UH C217 0.047U C117 100U 0.047U...
  • Page 30 C534 1000P C535 100P R370 C125 C126 0.01U 0.01U BAT54A 0.1U C110 100U 100U 0.1U 100U SK22 C100 0.1U C397 0.01U 100U C490 0.1U C132 100U R347 R345 DV10_DVBS2 3V3_STUNER_2 3V3_STUNER_1 DVBS_5V...
  • Page 31 CM129 0.1U 0.1U CM147 0.1U CM128 NC/10U 0.1U CM146 0.1U CM131 CM151 0.1U 0.1U CM159 0.1U CM145 0.1U CM152 CM144 0.1U CM154 0.1U 0.1U CM153 0.1U CM143 CM321 10U CM158 CM137 0.1U 0.1U 0.1U CM156 0.1U CM135 0.1U CM155 CM149 0.1U 0.1U CM157 0.1U CM132...
  • Page 32 0.1U CM365 CM362 CM358 CM351 CM355 CM357 CM364 CM363 CM361 CM352 CM354 CM356 CM335 CM318 CM337 CM350 CM345 CM338 CM319 CM329 CM336 CM347 CM346 CM344 CM299 CM309 CM314 CM311 CM317 CM312 CM300 CM308 CM310 CM316 CM315 CM313 CM288 CM289 CM291 CM293 CM296 CM298...
  • Page 33 C610...
  • Page 34 NC/10K 100R 0.1U 0.1U 100P...
  • Page 35 standbyLED...

  • Page 38: Troubleshooting

    7. Troubleshooting Standby power OK, no Power ON signal Check L44 Replace L44 3.3V OK? Replace U201 or Check U201 X54M and X54M Replace Q100 Check Q100 C 3.3V OK? Check and repair the Peripheral components...
  • Page 39 Power OK no backlight no raster Check Q9 C Replace Q9 high voltage Replace Q10 Check Q10 C high voltage Check Q14 Replace Q14 Pole C 0V Check Q1 Replace Q1 Pin8 12V Check and repair the PM2...
  • Page 40 Power OK backlight OK,no raster Check Q14 Replace Q14 Pole C 0V Check Q1 ReplaceL140 Pin 1 12V /L139 CheckQ1 Replace Q1 Pin 8 12V Check voltage LVDS signal Replace LVDS cable or T-CON board...
  • Page 41 AV no picture All source no picture Check circuit from scart to U201 Software of U14 Update replace software of U14 VGA no picture VGA no picture Check Check Q37 and Replace Q1 U201 OK? U29’VCC replace Check Replace T-CON T-CON board board cable...
  • Page 42 picture Check Replace pin_6 is 5V L119,L135 Check the components from Check TU1 pin_10 FAT- to FAT_INPUT- pin_11 Check the components from FAT+ to FAT_INPUT+ Replace X54M Replace TU1 and U201...
  • Page 43 Picture ok, all source no sound Check R190 and Replace U201 R191 ok? Check L165 Replace U25 and L167 ok? Check L6 3.3v Replace L6 Replace L7 Check L5 and Check speaker Check Q700 cables or speaker Pole C is low Check Q700, Q701,Q915...

  • Page 44: Pcb Layout

    8. PCB Layout...

  • Page 47: Exploded View

    9. Exploded View 1 TV set introduction Backlight Drive Board Power Main Board Board LVDS Power In Cable Cable Key-Press T-CON Board Receive Board Board Speaker Speaker 2 Main board sockets introduction P15 HDMI 3 P8 HDMI 4 P10 HDMI 2 P12 HDMI 5 P17 CI CAM P7 USB...
  • Page 48 U23 HDMI Switch U700 Audio 5VTO3V3 Amplifier MT8295 U18 Audio Switch UM20 SCART U9:5VTO AUDIO DRIVER 3.3V U14 Flash UM18 U11 DEMO MEMC*DDR U201 Main IC U20 :12V TO 1V8 U12 DDR UM21 EEPROM SMT6M20S UM19 Flash U13 DDR U16: 12VTO5V U17: 24VTO12V EEPROM L110:Dv3.3V...

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