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Philips 40PFL4706/F7 Service Manual
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Philips 40PFL4706/F7 Service Manual

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Service Manual

TYPE A
40PFL4706/F7
40PFL4706/F7
40PFL4706/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.: DS2)
PHILIPS
(Serial No.: DS3, XA1)
design is a registered trademark of Funai Electric Co., Ltd and may not be used in any way
chassis PL11.3

Contents

40" LCD TV
110913

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Summary of Contents for Philips 40PFL4706/F7

  • Page 1: Service Manual

    40” LCD TV chassis PL11.3 Service Manual Contents TYPE A 40PFL4706/F7 PHILIPS (Serial No.: DS1) 40PFL4706/F7 PHILIPS (Serial No.: DS2) 40PFL4706/F7 PHILIPS (Serial No.: DS3, 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 [40PFL4706/F7 (Serial No.: DS1)] 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 PCB Holder D3 5(S-6) items to be serviced. When reassembling, follow the steps in reverse order.
  • Page 14 (S-3) (S-2) (S-2) [3] Rear Cabinet (S-2) (S-2) (S-2) (S-3) (S-2) (S-2) (S-3) (S-1) (S-2) [1] Arm Assembly (S-1) [2] Base Assembly Fig. D1 PL11.3-A_DC...
  • Page 15 [4] Digital Main CBA Unit Shield Box (S-4) Wireless LAN Adaptor Jack Holder A (S-4) Separation Sheet (S-4) (S-5) Jack Holder B [5] Power Supply CBA Unit (S-5) Fig. D2 PL11.3-A_DC...
  • Page 16 (S-6) [6] PCB Holder (S-6) [9] AC Inlet Holder (S-6) Shield Plate [8] Speaker [11] IR Sensor (S-8) CBA Unit CL601 [7] Stand Bracket (S-7) Knob Frame [8] Speaker Function Button [10] Function CBA Unit (S-7) (S-7) Fig. D3 PL11.3-A_DC...
  • Page 17 [16] Front Cabinet [13] Panel Holder R (S-13) [15] LCD Module Assembly (S-11) (S-11) (S-9) (S-10) [14] Panel Holder L [12] Panel Holder B (S-12) (S-9) (S-12) Fig. D4 PL11.3-A_DC...
  • Page 18 TV Cable Wiring Diagram To LCD Module Assembly Power Supply CBA Unit Digital Main CBA Unit CN3101 Function CN3901 CBA Unit CN3801 CN3102 CN4001 To AC Inlet IR Sensor CBA Unit To Speaker CN4051 CN4052 Fig. D5 PL11.3-A_DC...
  • Page 19 [40PFL4706/F7 (Serial No.: DS2, DS3, XA1)] 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 PCB Holder D3 5(S-6) items to be serviced. When reassembling, follow the steps in reverse order.
  • Page 20 (S-3) (S-2) (S-2) [3] Rear Cabinet (S-2) (S-2) (S-2) (S-3) (S-2) (S-3) (S-2) (S-1) (S-2) (S-1) [1] Arm Assembly [2] Base Assembly Fig. D1 PL11.3-A_DC...
  • Page 21 [4] Digital Main CBA Unit Shield Box (S-4) Wireless LAN Adaptor Jack Holder A (S-4) (S-4) (S-5) Jack Holder B Separation Sheet [5] Power Supply CBA Unit (S-5) Fig. D2 PL11.3-A_DC...
  • Page 22 (S-6) [6] PCB Holder [9] AC Inlet Holder (S-6) (S-6) Shield Plate [8] Speaker (S-8) [11] IR Sensor CBA Unit CL601 [7] Stand Bracket (S-7) Knob Frame [8] Speaker Function Button (S-7) [10] Function CBA Unit (S-7) Fig. D3 4-10 PL11.3-A_DC...
  • Page 23 [17] Front Cabinet Corner Block A [15] Panel Holder T Corner Block A [13] Panel Holder R Corner Block A (S-13) (S-13) (S-11) (S-11) Corner Block A (S-9) (S-10) [12] Panel Holder B (S-9) (S-12) [16] LCD Module [14] Panel Assembly Holder L (S-12)

  • Page 24: Wiring Diagram

    TV Cable Wiring Diagram To LCD Module Assembly Power Supply CBA Unit Digital Main CBA Unit CN3101 Function CN3901 CBA Unit CN3801 CN3102 CN4001 To AC Inlet IR Sensor CBA Unit To Speaker CN4051 CN4052 Fig. D5 4-12 PL11.3-A_DC...

  • Page 25: 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 26 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 27 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 28: 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 29: 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 30: Troubleshooting

    TROUBLESHOOTING FLOW CHART NO.1 The power cannot be turned on. Replace Power Supply CBA Unit. See FLOW CHART NO.2 <The key operation is not functioning.> See FLOW CHART NO.3 <No operation is possible from remote control unit. (Operation is possible from the unit.)>...
  • Page 31 FLOW CHART NO.4 Picture does not appear normally. Replace Power Supply CBA Unit. Replace Power Supply CBA Unit. Replace Power Supply CBA Unit. FLOW CHART NO.5 Audio is not outputted normally. Replace Power Supply CBA Unit. Replace Digital Main CBA Unit. PL11.3TR...

  • Page 32: Block Diagrams

    BLOCK DIAGRAMS 1. System Control Block Diagram PL11.3ABLS...
  • Page 33 2. Video/Audio Block Diagram PL11.3ABLV...
  • Page 34 3. Digital Signal Process Block Diagram PL11.3ABLD...
  • Page 35 4. Power Supply Block Diagram PL11.3ABLP...

  • Page 36: 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 37 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 38 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 39 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 40 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 41 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 42 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 43 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 44 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 45 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 OPEN 2SC4081UBTLQ (+3.3V REG.) C3626 R3611 (SWITCHING) R3637 OPEN C3665 OPEN C3612 C3607 IC3606 C3609 C3616 C3610...
  • Page 46 Digital Main 9 Schematic Diagram SPEAKER R-CH CN3801 SP(R)- 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 1000P...
  • Page 47 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 48 Power Supply Schematic Diagram [40PFL4706/F7 (Serial No.: DS1, DS2)] CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. CAUTION ! : For continued protection against risk of fire, NOTE: If Main Fuse (F100) is blown , check to see that all components in the power supply replace only with same type 5 A, 250V fuse.
  • Page 49 Power Supply Schematic Diagram [40PFL4706/F7 (Serial No.: DS3, XA1)] CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. CAUTION ! : For continued protection against risk of fire, NOTE: If Main Fuse (F100) is blown , check to see that all components in the power supply replace only with same type 5 A, 250V fuse.
  • Page 50 Function Schematic Diagram FUNCTION CBA UNIT TO IR SENSOR CBA UNIT CN4051 CN4001 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 51 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 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 52 Power Supply CBA Top View [40PFL4706/F7(Serial No.:DS1,DS2)] CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F100) is blown , check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 53 Power Supply CBA Bottom View [40PFL4706/F7(Serial No.:DS1,DS2)] CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F100) is blown , check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 54 Power Supply CBA Top View [40PFL4706/F7 (Serial No.: DS3, XA1)] CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F100) is blown , check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 55 Power Supply CBA Bottom View [40PFL4706/F7 (Serial No.: DS3, XA1)] CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F100) is blown , check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply.

  • Page 56: 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 57 WIRING DIAGRAM 12-1 PL11.3AWI...

  • Page 58: Exploded Views

    EXPLODED VIEWS Cabinet [40PFL4706/F7 (Serial No.: DS1)] Digital Main CBA Unit LCD-1 CL3902 TH3104 USB-1 IR Sensor CBA Unit CL3001 CL3801 SP3802 CL601 CL5001 CL3101 SP3801 Power Supply CBA Unit CL4001 Function CBA Unit See Electrical Parts List for parts with this mark.
  • Page 59 Cabinet [40PFL4706/F7 (Serial No.: DS2, DS3, XA1)] 40PFL4706/F7 (Serial No.: DS2) 40PFL4706/F7 (Serial No.: DS3, XA1) Digital Main CBA Unit TH3104 USB-1 IR Sensor CBA Unit CL3001 CL3801 40PFL4706/F7 40PFL4706/F7 (Serial No.: DS2) (Serial No.: DS3, XA1) SP3801 LCD-1 CL601...
  • Page 60 Packing AC601 Tape Packing Tape Packing Tape 13-3 PL11.3PEX...
  • Page 61 PARTS LIST [40PFL4706/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 M4X9 + BLACK 0EM408146A L0130UA Before replacing any of these components, read...
  • Page 62 Electrical 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. NOTES: 1.
  • Page 63 PARTS LIST [40PFL4706/F7 (Serial No.: DS3, 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 64 D..±0.5% F..±1% G..±2% J..±5% K..±10% M..±20% N..±30% Z..+80/-20% Different parts from the original model 40PFL4706/F7 (Serial No. : DS1) Ref. No. Description Part No. POWER SUPPLY CBA UNIT UPBPSPFSP004 DIGITAL ASSEMBLY A11P7MMA-003 Consists of the following DIGITAL MAIN CBA UNIT...

  • Page 65: Revision History

    Chassis PL11.3 • 2011-05-17 40PFL4706/F7 (Serial No.: DS1) added • 2011-08-03 40PFL4706/F7 (Serial No.: DS3) added • 2011-09-13 40PFL4706/F7 (Serial No.: XA1) added Note: Identical product to the 40PFL4706/F7 (Serial No.: DS3). • TBD 40PFL4706/F7 (Serial No.: DS2) added 15-1 PL11.3REV...
  • Page 66 COMPARISON LIST OF MODEL NAME Chassis PL11.3 40PFL4706/F7 (DS1) A11P4UH (DS2) A11P6UH (DS3) A11P7UH (XA1) A11P9MA PL11.3COM...

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