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Philips 46PFL5706/F7 Service Manual
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Philips 46PFL5706/F7 Service Manual

Philips 46PFL5706/F7 Service Manual

Chassis pl11.7
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46" LCD TV
chassis PL11.7
Service Manual
Contents
TYPE A
46PFL5706/F7
PHILIPS
(Serial No.: VM1)
© 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
design is a registered trademark of Funai Electric Co., Ltd and may not be used in any way
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.
110523

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Summary of Contents for Philips 46PFL5706/F7

  • Page 1 46” LCD TV chassis PL11.7 Service Manual Contents TYPE A 46PFL5706/F7 PHILIPS (Serial No.: VM1) © 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 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 Power items to be serviced. When reassembling, follow the 11(S-9), CN1801, Supply steps in reverse order.
  • Page 14 (S-2) (S-2) (S-2) (S-4) (S-3) [2] Rear Cabinet (S-2) (S-2) (S-1) (S-2) [1] Stand Assembly Fig. D1 PL11.7-A_DC...
  • Page 15 [4] Stand Bracket Shield Plate [5] IR Sensor (S-6) CBA Unit (S-7) (S-8) (S-5) CL1601 [6] Function (S-8) CBA Unit (S-6) [3] Speaker Function Button AC Inlet Holder Knob Frame Fig. D2 PL11.7-A_DC...
  • Page 16 [9] FRC CBA Unit FRC Shield Box (S-11) Wireless LAN Adaptor Shield Box Jack Holder A (S-10) (S-10) [8] Digital Main Jack Holder B CBA Unit (S-9) (S-9) [7] Power Supply CBA (S-9) Fig. D3 PL11.7-A_DC...
  • Page 17 [15] Front Cabinet [13] Main Bracket [12] Jack PCB Holder (S-15) Panel Holder (Side) (S-17) (S-16) (S-14) [11] Wall Mount Bracket (S-16) (S-17) (S-13) (S-13) Panel Holder (Side) (S-16) [14] LCD Module (S-16) Assembly (S-17) [10] PCB (S-12) Holder (U) [10] PCB Holder (D) Fig.
  • Page 18 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 (Files included in the USB storage device are displayed.) a. USB storage device " * " differs depending on the models. b. Remote Control Unit *****_******.upg Select an upgrade file Firmware Update Procedure *****_******.upg *****_******.upg 1.

  • 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 PL11.7ABLS...
  • Page 28 2. Video/Audio Block Diagram PL11.7ABLV...
  • Page 29 3. Digital Signal Process Block Diagram PL11.7ABLD...
  • Page 30 4. Power Supply Block Diagram PL11.7ABLP...

  • 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

    WIRING DIAGRAM CL5003 COMPONENT -Y-IN COMPONENT -Pb-IN COMPONENT -Pr-IN CL3901 LCD+2.7V COMPONENT- AUDIO(L)-IN LCD+2.7V LCD+2.7V LCD+2.7V COMPONENT- AUDIO(R)-IN LCD+2.7V LCD+2.7V LVDS-TX4-4(+) VIDEO-IN LVDS-TX4-4(-) 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 CL5004 CL5003 FRC CBA Unit CL1913 TH5001 TH3104 B18 USB-1 CL3102 A5 A32 IR Sensor CBA Unit CL3901 Digital Main CBA Unit Function CBA Unit CL4051 LCD-1 CL1801 CL1914 L2 B10 CL1601 SP3802 L6 L2 CL3801 SP3801 Power Supply CBA See Electrical Parts List for parts with this mark.
  • Page 57 Packing AC601 Tape Packing Tape QR Code Label Packing Tape 13-2 PL11.7PEX...
  • Page 58 46PFL5706/F7(A17Q8UD)(Serial No.: VM1) 46PFL5706/F7(A17Q8UD)(Serial No.: VM1) 20110426 SERIAL NO. LABEL A01PBUH ---------- 46PFL5706/F7(A17Q8UD)(Serial No.: VM1) CARTON LABEL A17Q8UD ---------- AC601! CORD W/O A GND WIRE UL/CSA/ 162/NO/BLACK WAV0162LW001 Ref. No. Description Parts No. BAG POLYETHYLENE 235X365XT0.03 0EM408420A MECHANICAL PARTS OWNERS MANUAL A17R8UD...
  • Page 59 46PFL5706/F7(A17Q8UD)(Serial No.: VM1) 46PFL5706/F7(A17Q8UD)(Serial No.: VM1) C1607! CAP METALIZED FILM J1.0UF/630V/J/MPEF CA2K105DT048 D1401 DIODE ZENER 16BSB-T26 NDTB016BST26 C1610! CAP METALIZED FILM 0.22UF/310V /K/LE-MX CTA2240DC001 D1402 DIODE ZENER 24BSB-T26 NDTB024BST26 C1612 CAP ELECTROLYTIC 220UF/400V/M/30/30 CA2H221DYG10 D1603 DIODE ZENER 27BSB-T26 NDTB027BST26 C1618 CERAMIC CAP.
  • Page 60 46PFL5706/F7(A17Q8UD)(Serial No.: VM1) 46PFL5706/F7(A17Q8UD)(Serial No.: VM1) R1110 RES CHIP 1608 1/10W J 3.3K OHM RRXA332HH013 R1702 RES CARBON FILM T 1/4W J 10 OHM RCX4100T1001 R1201! METAL OXIDE FILM RES. 2W J 1 OHM RN021R0ZU001 R1703 RES CHIP 1608 1/10W J 10K OHM...
  • Page 61 46PFL5706/F7(A17Q8UD)(Serial No.: VM1) BC1704 WIRE COPPER 6111-06003-0120 XZ40C0SHG002 BC1705 WIRE COPPER 6111-06003-0120 XZ40C0SHG002 BC1706 WIRE COPPER 6111-06003-0120 XZ40C0SHG002 F1601! FUSE 4A/250V(PB FREE) 0215004.MXP PBGZ20BAG021 FH1603 FUSE HOLDER MSF-015 LF (B110) XH01Z00LY002 FH1604 FUSE HOLDER MSF-015 LF (B110) XH01Z00LY002 JS1601 WIRE COPPER 6111-06003-0120...

  • Page 62: Revision History

    REVISION HISTORY Chassis PL11.7 • TBD 46PFL5706/F7 added 15-1 PL11.7REV...
  • Page 63 COMPARISON LIST OF MODEL NAME Chassis PL11.7 46PFL5706/F7 (VM1) A17Q8UD PL11.7COM...

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