Philips 55PFL5706/F7 Service Manual
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Philips 55PFL5706/F7 Service Manual

55 inch
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Service Manual

TYPE A
55PFL5706/F7
55PFL5706/F7
© 2011 Funai Electric Co., Ltd.
All rights reserved. No part of this manual may be reproduced, copied, transmitted, disseminated, transcribed,
downloaded or stored in any storage medium, in any form or for any purpose without the express prior written
consent of Funai. Furthermore, any unauthorized commercial distribution of this manual or any revision hereto
is strictly prohibited.
Information in this document is subject to change without notice. Funai reserves the right to change the content
herein without the obligation to notify any person or organization of such changes.
with the
without the express written consent of Funai. All other trademarks used herein remain the exclusive property of
their respective owners. Nothing contained in this manual should be construed as granting, by implication or
otherwise, any license or right to use any of the trademarks displayed herein. Misuse of any trademarks or any
other content in this manual is strictly prohibited. Funai shall aggressively enforce its intellectual property rights
to the fullest extent of the law.
PHILIPS
(Serial No.: DS1)
PHILIPS
(Serial No.: VM1, XA1)
design is a registered trademark of Funai Electric Co., Ltd and may not be used in any way
chassis PL11.8
Contents
55" LCD TV
110913

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Summary of Contents for Philips 55PFL5706/F7

  • Page 1: Service Manual

    55” LCD TV chassis PL11.8 Service Manual Contents TYPE A 55PFL5706/F7 PHILIPS (Serial No.: DS1) 55PFL5706/F7 PHILIPS (Serial No.: VM1, XA1) © 2011 Funai Electric Co., Ltd. All rights reserved. No part of this manual may be reproduced, copied, transmitted, disseminated, transcribed, downloaded or stored in any storage medium, in any form or for any purpose without the express prior written consent of Funai.

  • Page 2: Important Safety Notice

    IMPORTANT SAFETY NOTICE Proper service and repair is important to the safe, reliable operation of all P&F Equipment. The service procedures recommended by P&F and described in this service manual are effective methods of performing service operations. Some of these service special tools should be used when and as recommended.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Specifications ................1-1 Important Safety Precautions .

  • Page 4: Specifications

    SPECIFICATIONS < TUNER / NTSC > ANT. Input ---------------------- 75 Ω Unbal., F type Description Condition Unit Nominal Limit 1. AFT Pull-In Range ±2.3 ±2.1 TV.ch.4 dBµ 2. Synchronizing Sens. CA.ch.31 dBµ CA.ch.87 dBµ < TUNER / ATSC > Description Condition Unit Nominal...

  • Page 5: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Prior to shipment from the factory, our products are strictly inspected for recognized product safety and electrical codes of the countries in which they are to be sold. However, in order to maintain such compliance, it is equally important to implement the following precautions when a set is being serviced.
  • Page 6 3. Design Alteration Warning - Do not alter or add 7. Product Safety Notice - Some electrical and to the mechanical or electrical design of this TV mechanical parts have special safety-related receiver. Design alterations and additions, characteristics which are often not evident from including, but not limited to circuit modifications visual inspection, nor can the protection they give and the addition of items such as auxiliary audio...
  • Page 7 Precautions during Servicing A. Parts identified by the # symbol are critical for safety. Replace only with part number specified. B. In addition to safety, other parts and assemblies are specified for conformance with regulations applying to spurious radiation. These must also be replaced only with specified replacements.
  • Page 8 Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts and wires have been returned to original positions. Afterwards, perform the following tests and confirm the specified values in order to verify compliance with safety standards. 1.

  • Page 9: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications How to Remove / Install Flat Pack-IC 1. The output pin of the 3 pin Regulator ICs is 1. Removal indicated as shown. With Hot-Air Flat Pack-IC Desoldering Machine: Top View 1. Prepare the hot-air flat pack-IC desoldering Bottom View machine, then apply hot air to the Flat Pack-IC Input...
  • Page 10 3. The flat pack-IC on the CBA is affixed with glue, so With Soldering Iron: be careful not to break or damage the foil of each 1. Using desoldering braid, remove the solder from pin or the solder lands under the IC when all pins of the flat pack-IC.
  • Page 11 2. Installation With Iron Wire: 1. Using desoldering braid, remove the solder from 1. Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder the foil of each pin of the flat pack-IC on the CBA flux which is applied to all pins of the flat pack-IC, so you can install a replacement flat pack-IC more you can remove it easily.
  • Page 12 Instructions for Handling Semi- conductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1 MΩ) that is properly grounded to remove any static electricity that may be charged on the body.

  • Page 13: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart Step/ Fig. Loc. Part Removal Note This flowchart indicates the disassembly steps for the cabinet parts and the CBA in order to gain access to 6(S-6), CN3101, items to be serviced. When reassembling, follow the CN3901, Wireless steps in reverse order.
  • Page 14 (S-2) (S-2) (S-3) (S-2) (S-3) (S-2) [2] Rear Cabinet (S-4) (S-2) (S-2) (S-1) (S-2) [1] Stand Assembly Fig. D1 PL11.8-A_DC...
  • Page 15 [4] IR Sensor CBA Unit Shield Plate [5] Function CBA Unit Knob Frame [3] Speaker Function Button Fig. D2 PL11.8-A_DC...
  • Page 16 [8] FRC CBA Unit FRC Shield Box (S-7) Shield Box Wireless LAN Adaptor Jack Holder A [7] Digital Main (S-6) CBA Unit Jack Holder B (S-5) (S-5) [6] Power Supply CBA (S-5) Fig. D3 PL11.8-A_DC...
  • Page 17 [14] Front Cabinet [10] Jack PCB Holder [13] LCD Module Assembly (S-9) (S-14) [9] PCB Holder (U) (S-14) (S-10) (S-13) (S-14) (S-14) (S-11) (S-12) (S-14) (S-13) [12] Stand Bracket (S-8) AC Inlet (S-10) CL1601 (S-8) Holder [9] PCB [11] Wall Mount Holder (D) Bracket Fig.

  • Page 18: Wiring Diagram

    TV Cable Wiring Diagram To LCD Module Assembly To LCD Module Assembly CN5004 CN5003 CN5002 CN5001 FRC CBA Unit Power Supply CBA Digital Main CBA Unit CN1913 CN1801 CN1914 CN3101 CN3901 CN3801 CN3102 CN1601 Function To AC Inlet CBA Unit To Speaker CN4001 IR Sensor CBA Unit...

  • Page 19: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: “CBA” is abbreviation for 1. Purity Check Mode “Circuit Board Assembly.” This mode cycles through full-screen displays of red, Note: Electrical adjustments are required after green, blue, and white to check for non-active pixels. replacing circuit components and certain 1.
  • Page 20 The White Balance Adjustment should be 5. Press [3] button to select the “HDB” for High Drive Blue adjustment. (“HDB” appears on the screen.) performed when replacing the LCD Panel 6. Press [MENU] button. The internal Raster signal or Digital Main CBA. appears on the screen.
  • Page 21 13. Press [9] button to select the “LDB” for Low Drive Blue adjustment (“LDB” appears on the screen.) and press [CH + or -] buttons to adjust the color temperature. Internal(Single) LDB 0 14. Press [7] button to select the “LDR” for Low Drive Red adjustment (“LDR”...

  • Page 22: How To Initialize The Lcd Tv

    HOW TO INITIALIZE THE LCD TV The purpose of initialization is to place the set in a new out of box condition. The customer will be prompted to select a language and program channels after the set has been initialized. To put the program back at the factory-default, initialize the LCD TV using the following procedure.

  • Page 23: Firmware Renewal Mode

    FIRMWARE RENEWAL MODE Equipment Required 9. Press the [OK] button on the remote control unit to enter the update mode. a. USB storage device Update file selection screen appears as follows. b. Remote Control Unit (Files included in the USB storage device are displayed.) Firmware Update Procedure "...

  • Page 24: Troubleshooting

    TROUBLESHOOTING FLOW CHART NO.1 The power cannot be turned on. Is the fuse (F1601) normal? See FLOW CHART No.2 <The fuse blows out.> Check if there is any leak or short-circuiting on the primary circuit component, and service it if defective. (D1202, D1205, D1208, IC1201, T1201, R1202, R1203, C1202) Is the AL+5V line voltage normal?
  • Page 25 FLOW CHART NO.5 AL+5V is not output. Check C1102, D1102 and their periphery circuit, and service it if defective. FLOW CHART NO.6 PANEL+24V is not output. Check C1725, C1727, C1728, D1714, D1715 and their periphery circuit, and service it if defective. FLOW CHART NO.7 P-ON+12V is not output.
  • Page 26 FLOW CHART NO.9 No operation is possible from the remote control unit. (Operation is possible from the unit.) Check AL+3.3V line and service it if defective. Replace the IR Sensor CBA Unit or the remote control unit. Replace the IR Sensor CBA Unit. Replace Digital Main CBA Unit.

  • Page 27: Block Diagrams

    BLOCK DIAGRAMS 1. System Control Block Diagram PL11.8ABLS...
  • Page 28 2. Video/Audio Block Diagram PL11.8ABLV...
  • Page 29 3. Digital Signal Process Block Diagram PL11.8ABLD...
  • Page 30 4. Power Supply Block Diagram PL11.8ABLP...

  • Page 31: Schematic Diagrams / Cba And Test Points

    SCHEMATIC DIAGRAMS / CBA AND TEST POINTS Standard Notes WARNING Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc.
  • Page 32 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE_A,_V FUSE. ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE DE_A,_V. 2.
  • Page 33 Power Supply 1 Schematic Diagram CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. NOTE: If Main Fuse (F1601) is blown , check to see that all components in the power supply CAUTION ! : For continued protection against risk of fire, The voltage for parts in hot circuit is measured using circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 34 Power Supply 2 Schematic Diagram NOTE: The voltage for parts in hot circuit is measured using hot GND as a common terminal. POWER SUPPLY CBA HOT CIRCUIT. BE CAREFUL. TO LCD MODULE CN1913 ASSEMBLY 24.3 1 PANEL+24V 24.3 D1717 R1774 R1775 R1776 R1777...
  • Page 35 Digital Main 1 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3104. IC3104 is divided into eight and shown as IC3104 (1/8) ~ IC3104 (8/8) in this Digital Main Schematic Diagram Section. IC3704 CONTINUE DIGITAL MAIN CBA UNIT...
  • Page 36 Digital Main 2 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3104. IC3104 is divided into eight and shown as IC3104 (1/8) ~ IC3104 (8/8) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT IC3104(2/8) MN2WS0170...
  • Page 37 Digital Main 3 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3104. IC3104 is divided into eight and shown as IC3104 (1/8) ~ IC3104 (8/8) in this Digital Main Schematic Diagram Section. (NO CONNECTION) CN3111 GND 2...
  • Page 38 Digital Main 4 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3104. IC3104 is divided into eight and shown as IC3104 (1/8) ~ IC3104 (8/8) in this Digital Main Schematic Diagram Section. JK3707 DIGITAL MAIN CBA UNIT SERVICE...
  • Page 39 Digital Main 5 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3104. IC3104 is divided into eight and shown as IC3104 (1/8) ~ IC3104 (8/8) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT CONTINUE DIGITAL 8...
  • Page 40 Digital Main 6 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3104. IC3104 is divided into eight and shown as IC3104 (1/8) ~ IC3104 (8/8) in this Digital Main Schematic Diagram Section. IC3104(6/8) DIGITAL MAIN CBA UNIT MN2WS0170...
  • Page 41 Digital Main 7 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3104. IC3104 is divided into eight and shown as IC3104 (1/8) ~ IC3104 (8/8) in this Digital Main Schematic Diagram Section. CONTINUE DIGITAL 6 P-ON+3.3V...
  • Page 42 Digital Main 8 Schematic Diagram DIGITAL MAIN CBA UNIT R3607 Q3601 2SA1576UBTLQ C3604 OPEN (SWITCHING) R3608 R3609 R3610 4.7K D3614 180K IC3601 1SS133 R3631 Q3602 BD9329EFJ-E2 2SC4081UBTLQ (+3.3V REG.) C3626 R3611 (SWITCHING) R3637 OPEN C3665 OPEN OPEN C3612 C3607 0.047 IC3606 C3609 C3616...
  • Page 43 Digital Main 9 Schematic Diagram SPEAKER R-CH CN3801 SP(R)- R3819 SP3801 C3802 C3816 SP(R)+ 0.47 470P C3806 D3803 D3804 C3804 C3815 SP(L)- R3881 OPEN OPEN OPEN 0.47 470P OPEN SP(L)+ SP3802 C3838 C3825 C3805 L3801 C3830 C3803 Q3801 L3802 470/16V 1000P 0.47 22uH...
  • Page 44 Digital Main 10 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3104. IC3104 is divided into eight and shown as IC3104 (1/8) ~ IC3104 (8/8) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT CN3706 (ETHERNET CONNECTOR)
  • Page 45 Function Schematic Diagram FUNCTION CBA UNIT TO IR SENSOR CBA UNIT CN4051 CN4001 R4006 KEY-IN1 C4002 D4001 OPEN D4002 OPEN R4005 R4004 R4003 R4002 R4001 2.2K 2.7K 4.7K SW4006 SW4005 SW4004 SW4003 SW4002 SW4001 POWER CH UP SOURCE DOWN DOWN UNLESS OTHERWISE SPECIFIED: SWITCHES ARE SKRMAAE010.
  • Page 46 IR Sensor Schematic Diagram C4054 RS4051 GP1USC32XP (REMOTE SENSOR) D4051 SMLE12WBC7W1HR POWER TO DIGITAL MAIN R4051 R4052 R4053 CN4052 CBA UNIT CN3102 6.8K 4.7K R4054 1 GND 2 REMOTE 3 AL+3.3V 4 P-ON+5V C4051 C4056 C4052 1000P 5 LED1 6 KEY-IN1 C4053 C4055 R4055...
  • Page 47 FRC 1 Schematic Diagram 2 NOTE: The order of pins shown in this diagram is different from that of actual IC5001. IC5001 is divided into five and shown as IC5001 (1/5) ~ IC5001 (5/5) in this FRC Schematic Diagram Section. FRC CBA UNIT CONTINUE FRC 5...
  • Page 48 FRC 2 Schematic Diagram 2 NOTE: The order of pins shown in this diagram is different from that of actual IC5001. IC5001 is divided into five and shown as IC5001 (1/5) ~ IC5001 (5/5) in this FRC Schematic Diagram Section. FRC CBA UNIT IC5001(2/5) CONTINUE...
  • Page 49 FRC 3 Schematic Diagram 2 NOTE: The order of pins shown in this diagram is different from that of actual IC5001. IC5001 is divided into five and shown as IC5001 (1/5) ~ IC5001 (5/5) in this FRC Schematic Diagram Section. CONTINUE FRC 5 P-ON+3.3V...
  • Page 50 FRC 4 Schematic Diagram 2 NOTE: The order of pins shown in this diagram is different from that of actual IC5001. IC5001 is divided into five and shown as IC5001 (1/5) ~ IC5001 (5/5) in this FRC Schematic Diagram Section. FRC CBA UNIT CONTINUE FRC 5...
  • Page 51 FRC 5 Schematic Diagram 2 NOTE: The order of pins shown in this diagram is different from that of actual IC5001. IC5001 is divided into five and shown as IC5001 (1/5) ~ IC5001 (5/5) in this FRC Schematic Diagram Section. FRC CBA UNIT IC5001(5/5) PNX5100EH...
  • Page 52 Power Supply CBA Top View Because a hot chassis ground is present in the power supply CAUTION ! circuit, an isolation transformer must be used when repairing. Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. CAUTION ! : For continued protection against risk of fire, Also, in order to have the ability to increase the input slowly,...
  • Page 53 Power Supply CBA Bottom View CAUTION ! Because a hot chassis ground is present in the power supply circuit, an isolation transformer must be used when repairing. Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. CAUTION ! : For continued protection against risk of fire, Also, in order to have the ability to increase the input slowly,...

  • Page 54: Waveforms

    WAVEFORMS WF1 ~ WF5 = Waveforms to be observed at Waveform check points. (Shown in Schematic Diagram.) Input: NTSC Color Bar Signal (with 1kHz Audio Signal) JK3701 (Y-IN) JK3706 (VIDEO-IN) VIDEO-Y VIDEO-Y 0.2V 0.2V 20µs CVBS CVBS 0.2V 0.2V 20µs JK3704, JK3706 (AUDIO(L)-IN) JK3701 (Pb-IN) AUDIO...
  • Page 55 WIRING DIAGRAM CL5003 COMPONENT -Y-IN COMPONENT -Pb-IN COMPONENT -Pr-IN CL3901 LCD+2.7V COMPONENT- LCD+2.7V AUDIO(L)-IN LCD+2.7V LCD+2.7V COMPONENT- AUDIO(R)-IN LCD+2.7V LCD+2.7V LVDS-TX4-4(+) LVDS-TX4-4(-) VIDEO-IN LVDS-TX4-3(+) LVDS-TX4-3(-) AUDIO(L)-IN LVDS-OD0(-) LVDS-OD0(+) LVDS-TX4-CLK(+) LVDS-OD1(-) LVDS-TX4-CLK(-) AUDIO(R)-IN LVDS-OD1(+) LVDS-OD2(-) LVDS-TX4-2(+) LVDS-OD2(+) LVDS-TX4-2(-) HDMI/PC- 24 LVDS-TX4-1(+) AUDIO-IN LVDS-OCLK(-) 25 LVDS-TX4-1(-)

  • Page 56: Exploded Views

    EXPLODED VIEWS Cabinet FRC CBA Unit TH5001 CL1913 CL1914 TH3104 CL5003 USB-1 CL5004 LCD-1 CL3102 CL3901 CL3801 IR Sensor CBA Unit Digital Main CBA Unit Function CBA Unit A5 A32 CL4051 SP3802 CL1801 CL1601 SP3801 Power Supply CBA See Electrical Parts List for parts with this mark.
  • Page 57 Packing AC601 Tape Packing Tape QR Code Label 55PFL5706/F7 (Serial No.: VM1, XA1) Packing Tape 13-2 PL11.8PEX...
  • Page 58 PARTS LIST [55PFL5706/F7 (Serial No.: DS1)] Mechanical Parts PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. DOUBLE SEMS SCREW M8X18 M8X18 FPH38180 Before replacing any of these components, read...
  • Page 59 Electrical Parts PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. C1410 CHIP CERAMIC CAP .(1608) B K 0.022µF/50V CHD1JK30B223 Before replacing any of these components, read C1411 ELECTROLYTIC CAP . 100µF/25V M CE1EMASDL101 carefully the product safety notice in this service C1412...
  • Page 60 Ref. No. Description Part No. Ref. No. Description Part No. CN1914 CONNECTOR PRINT OSU B14B-PH-K- J3PHC14JG029 Q1601# FET MOS 2SK3561(Q) IDSS100UA QFWZ2SK3561Q S(LF)(SN) Q1602# FET MOS 2SK3561(Q) IDSS100UA QFWZ2SK3561Q DIODES Q1701# MOS FET 2SK3568(Q) QQQZ02SK3568 D1101 DIODE FR104-B NDLZ000FR104 Q1702# MOS FET 2SK3568(Q) QQQZ02SK3568 D1102...
  • Page 61 Ref. No. Description Part No. Ref. No. Description Part No. RES CHIP 3216 1/4W F 619k Ω RES CHIP 1608 1/10W F 430 Ω R1433 RTC6193HH020 R1761 RTW4300HH008 RES CHIP 1608 1/10W 0 Ω RES CHIP 1608 1/10W J 1.0k Ω R1434 RRXA000HH014 R1802...
  • Page 62 PARTS LIST [55PFL5706/F7 (Serial No.: VM1, XA1)] Mechanical Parts PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing.
  • Page 63 Different parts from the original model 55PFL5706/F7 (Serial No. : DS1) There are no different parts from the original model 55PFL5706/F7 (Serial No. : DS1). Refer to the parts list for the original model 55PFL5706/F7 (Serial No. : DS1). 2011/09/05 14-6 A17R8EL.fm...

  • Page 64: Revision History

    REVISION HISTORY Chassis PL11.8 • 2011-05-13 55PFL5706/F7 (Serial No. : DS1) added • 2011-06-23 55PFL5706/F7 (Serial No. : VM1) added • 2011-09-13 55PFL5706/F7 (Serial No. : XA1) added Note: Identical product to the 55PFL5706/F7 (Serial No.: VM1). 15-1 PL11.8REV...
  • Page 65 COMPARISON LIST OF MODEL NAME Chassis PL11.8 55PFL5706/F7 (DS1) A17R9UH (VM1) A17R8UD (XA1) A17RAMA PL11.8COM...

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