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Philips 40PFL3706/F7 Service Manual
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Philips 40PFL3706/F7 Service Manual

Philips 40PFL3706/F7 Service Manual

40” lcd tv, chassis pl11.1
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See also: User Manual
Service Manual
TYPE A
40PFL3706/F7
40PFL3706/F7
40PFL3000/F8
© 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.: XA1)
PHILIPS
(Serial No.: XA1)
design is a registered trademark of Funai Electric Co., Ltd and may not be used in any way
chassis PL11.1
Contents
40" LCD TV
111128

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  • Page 1 40” LCD TV chassis PL11.1 Service Manual Contents TYPE A 40PFL3706/F7 PHILIPS (Serial No.: DS1) 40PFL3706/F7 PHILIPS (Serial No.: XA1) 40PFL3000/F8 PHILIPS (Serial No.: 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 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 4(S-9), CN3901, items to be serviced. When reassembling, follow the Digital Main Jack Holder(A), steps in reverse order.
  • Page 14 (L-1) (S-2) (S-2) (L-1) (S-2) (L-1) (S-3) (L-1) (S-4) (S-3) (S-2) (L-1) (S-2) [2] Rear Cabinet (L-1) (S-2) (S-1) (S-2) [1] Stand Assembly Fig. D1 PL11.1-A_DC...
  • Page 15 Shield Plate [4] Stand Bracket (S-6) (S-6) AC Inlet Holder [5] IR Sensor CBA Unit (S-5) [6] Function (S-7) CL1601 CBA Unit (S-6) Knob Frame Function Button [3] Speaker Fig. D2 PL11.1-A_DC...
  • Page 16 Shield Box Jack Holder(A) [8] Digital Main CBA Unit (S-9) (S-8) Jack Holder(B) (S-8) [7] Power Supply CBA (S-8) Fig. D3 PL11.1-A_DC...
  • Page 17 [13] Front Cabinet [10] PCB Holder [12] LCD Module Assembly (S-12) [11] Wall Mount Bracket (R) (S-11) (S-13) (S-13) [9] PCB (S-14) Holder (U) [11] Wall Mount Bracket (L) (S-13) (S-10) (S-10) [9] PCB Holder (D) Fig. D4 PL11.1-A_DC...
  • Page 18 TV Cable Wiring Diagram To LCD Module Assembly To LCD Module Assembly Power Supply CBA CN3901 CN1914 CN1801 CN3101 CN3803 CN3102 Digital Main CBA Unit CN1601 Function To AC Inlet CBA Unit To Speaker CN4001 IR Sensor CBA Unit CN4051 CN4052 Fig.

  • 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 6. Press [MENU] button. The internal Raster signal appears on the screen. (“Internal (Single)” performed when replacing the LCD Panel appears on the upper right of the screen as shown or Digital Main CBA. below.) 2.

  • Page 21: 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 22: Firmware Renewal Mode

    FIRMWARE RENEWAL MODE Equipment Required 4. The update will start and the following will appear on the screen. a. USB storage device " * " differs depending on the models. b. Remote Control Unit Software Upgrade Software upgrade in progress. Please wait. Firmware Update Procedure Do not remove the USB storage device or turn the TV off while upgrade is in progress.

  • Page 23: 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+4.3V line voltage normal?
  • Page 24 FLOW CHART NO.5 AL+4.3V 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, D1721 and their periphery circuit, and service it if defective. FLOW CHART NO.7 P-ON+12V is not output.
  • Page 25 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 remote control receiver(RS4051) or the remote control unit. Check the line between Pin(1) terminal of remote control receiver(RS4051) and Pin(2) of CN4052, and service it if defective.

  • Page 26: Block Diagrams

    BLOCK DIAGRAMS 1. System Control Block Diagram PL11.1ABLS...
  • Page 27 2. Video/Audio Block Diagram PL11.1ABLV...
  • Page 28 3. Digital Signal Process Block Diagram PL11.1ABLD...
  • Page 29 4. Power Supply Block Diagram PL11.1ABLP...

  • Page 30: 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 31 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 32 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 33 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. CN1913 (NO CONECTION) 1 PANEL+24V D1717 R1774 R1775 R1776 R1777 2 PANEL+24V C1725 C1727 C1728...
  • Page 34 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 2.2K 2.7K SW4006 SW4005 SW4004 SW4003 SW4002 SW4001 POWER CH UP SOURCE DOWN DOWN UNLESS OTHERWISE SPECIFIED: SWITCHES ARE SKRMAAE010.
  • Page 35 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 36 Digital Main 1 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC4005. IC4005 is divided into six and shown as IC4005 (1/6) ~ IC4005 (6/6) in this Digital Main Schematic Diagram Section. CONTINUE DIGITAL 4 P-ON+3.3V...
  • Page 37 Digital Main 2 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC4005. IC4005 is divided into six and shown as IC4005 (1/6) ~ IC4005 (6/6) in this Digital Main Schematic Diagram Section. IC3001 BD7820FP-E2 TU3001 TUNER UNIT...
  • Page 38 Digital Main 3 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC4005. IC4005 is divided into six and shown as IC4005 (1/6) ~ IC4005 (6/6) in this Digital Main Schematic Diagram Section. JK4005 C4009 SERVICE...
  • Page 39 Digital Main 4 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC4005. IC4005 is divided into six and shown as IC4005 (1/6) ~ IC4005 (6/6) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT CONTINUE DIGITAL 3...
  • Page 40 Digital Main 5 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC4005. IC4005 is divided into six and shown as IC4005 (1/6) ~ IC4005 (6/6) in this Digital Main Schematic Diagram Section. CONTINUE DIGITAL MAIN CBA UNIT DIGITAL 4...
  • Page 41 Digital Main 6 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC4005. IC4005 is divided into six and shown as IC4005 (1/6) ~ IC4005 (6/6) in this Digital Main Schematic Diagram Section. CONTINUE L4046 HDMI-...
  • Page 42 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 43 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 44: 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) CVBS CVBS 0.2V 0.2V 20µs VIDEO-Y VIDEO-Y 0.2V 0.2V 20µs JK3704, JK3706 (AUDIO(L)-IN) JK3701 (Pb-IN) AUDIO...

  • Page 45: Wiring Diagram

    WIRING DIAGRAM COMPONENT -Y-IN COMPONENT -Pb-IN CL3012 COMPONENT LCD+12V -Pr-IN LCD+12V LCD+12V COMPONENT- LCD+12V AUDIO(L)-IN LCD+12V COMPONENT- AUDIO(R)-IN VIDEO-IN LLVO0(-) LLVO0(+) LLVO1(-) AUDIO(L)-IN LLVO1(+) LLVO2(-) AUDIO(R)-IN LLVO2(+) LLVOCLK(-) HDMI/PC- LLVOCLK(+) AUDIO-IN LLVO3(-) DIGITAL AUDIO-OUT LLVO3(+) (COAXIAL) LLVO4(-) LLVO4(+) 24 GND PC-RGB-IN 25 LLVE0(-) 26 LLVE0(+)

  • Page 46: Exploded Views

    EXPLODED VIEWS Cabinet 40PFL3706/F7 (Serial No.: DS1), 40PFL3000/F8 (Serial No.: XA1) 40PFL3706/F7 (Serial No.: XA1) CL3012 LCD-1 CL1914 Digital Main CBA Unit Power Supply CBA TH4005 CL3102 IR Sensor CBA Unit TH3801 CL1801 Function CBA Unit A5 A32 CL4051 CL3801...
  • Page 47 Packing AC601 Tape 40PFL3706/F7 (Serial No.: XA1) QR Code Label Packing Tape Packing Tape 13-2 PL11.1PEX...

  • Page 48: Parts List

    PARTS LIST [40PFL3706/F7 (Serial No.: DS1), 40PFL3000/F8 (Serial No.: XA1)] Mechanical Parts PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. LCD-1 TFT-LCD MODULE 40W 60HZ LTA40OHM09 UDULCD0SM021 Before replacing any of these components, read...
  • Page 49 Electrical Parts PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. C1416 CHIP CERAMIC CAP .(1608) CH J 22pF/50V CHD1JJ3CH220 Before replacing any of these components, read C1417 CHIP CERAMIC CAP .(1608) B K 0.1µF/50V CHD1JK30B104 carefully the product safety notice in this service C1601#...
  • Page 50 Ref. No. Description Part No. Ref. No. Description Part No. D1105 DIODE ZENER 5V6BSB-T26 NDTB5R6BST26 Q1403 CHIP TRANSISTOR 2SC2412K(R) T146 QQ8R2SC2412K D1106 SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 Q1404 CHIP TRANSISTOR 2SC2412K(R) T146 QQ8R2SC2412K D1107 SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 Q1601# MOS FET TK7A50D(FUNAI QEWZTK7A50DQ D1202# DIODE GENERAL PURPOSE 1N5406-BU...
  • Page 51 Ref. No. Description Part No. Ref. No. Description Part No. RES CHIP 3216 1/4W F 619k Ω RES CHIP 1608 1/10W F 2.20k Ω R1428 RTC6193HH020 R1758 RTW2201HH008 RES CHIP 3216 1/4W F 825k Ω RES CHIP 1608 1/10W J 2.7k Ω R1430 RTC8253HH020 R1759...
  • Page 52 PARTS LIST [40PFL3706/F7 (Serial No.: 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 53 Different parts from the original model 40PFL3706/F7 (Serial No. : DS1) There are no different parts from the original model 40PFL3706/F7 (Serial No : DS1). Refer to the parts list for the original model 40PFL3706/F7 (Serial No : DS1). 2011/11/22 14-6 A17PAEL.fm...

  • Page 54: Revision History

    REVISION HISTORY Chassis PL11.1 • 2011-04-22 40PFL3706/F7 (Serial No.: DS1) added • 2011-11-05 40PFL3000/F8 (Serial No.: XA1) added Note: Identical product to the 40PFL3706/F7 (Serial No.: DS1). • 2011-11-28 40PFL3706/F7 (Serial No.: XA1) added 15-1 PL11.1REV...
  • Page 55 COMPARISON LIST OF MODEL NAME Chassis PL11.1 40PFL3706/F7 (DS1) A17P6UH (XA1) A17PAMA 40PFL3000/F8 (XA1) A17PFMA PL11.1COM...

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