Philips 32PFL2507/F8 Service Manual
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Philips 32PFL2507/F8 Service Manual

32” lcd tv chassis pl12.6
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Service Manual
32PFL2507/F8
This service manual contains information of different types of models.
Make sure to refer to the section describing your model.
© 2012 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.: VM1)
design is a registered trademark of Funai Electric Co., Ltd and may not be used in any way
chassis PL12.6
Contents
32" LCD TV
120818

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Summary of Contents for Philips 32PFL2507/F8

  • Page 1 32” LCD TV chassis PL12.6 Service Manual Contents 32PFL2507/F8 PHILIPS (Serial No.: VM1) This service manual contains information of different types of models. Make sure to refer to the section describing your model. © 2012 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 Bottom View 1.
  • 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 With Iron Wire: 2. Installation 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 Front items to be serviced. When reassembling, follow the [11] D4 --------------- Cabinet...
  • Page 14 2. When you disassemble/re-assemble the 3. Performance Test after reassembling the LCD Function CBA on the Front Cabinet Panel Assembly • Detach the Function CBA, which is attached on the • After you swap any of the Front Cabinet, Rear Frame Front Cabinet with double-sided tape, without or Function CBA, you need to make sure that there breaking it.
  • Page 15 [4] Digital Main CBA Unit (S-5) Jack Holder (S-4) (S-4) (S-4) (S-5) [3] Power Supply CBA Fig. D2 PL12.6-A_DC...
  • Page 16 [8] LCD Panel Assembly [6] Stand Holder Sensor Lens Double-sided tape [7] Function CBA (S-6) [5] Speaker Fig. D3 : Make sure to read all the precautions on page 4-1, 4-2 when you disassemble/re-assemble the LCD Panel Assembly. PL12.6-A_DC...
  • Page 17 [11] Front Cabinet Sheet Holder Reflection Sheet (S-7) [9] Rear Frame FFC Cable (S-7) (S-7) FFC Cable (S-7) (S-7) LED Heat Sink Assembly (S-7) Sheet Holder (S-8) [10] LCD Module (S-7) Fig. D4 : Make sure to read all the precautions on page 4-1, 4-2 when you disassemble/re-assemble the LCD Panel Assembly.
  • Page 18 TV Cable Wiring Diagram To LCD Panel To LCD Panel Assembly Assembly Digital Main Power Supply CBA CBA Unit CN1001 CN3006 CN631 CN3701 CN601 CN3801 CN3101 To AC Cord Function CBA To Speaker CN4001 Fig. D5 PL12.6-A_DC...

  • Page 19: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS How to set up the service mode: General Note: “CBA” is abbreviation for “Circuit Board Assembly.” Service mode: Note: Electrical adjustments are required after 1. Turn the power on. replacing circuit components and certain mechanical parts. It is important to perform 2.
  • Page 20 1. Purity Check Mode 2. VCOM Adjustment This mode cycles through full-screen displays of red, Test Point Adj. Point green, blue, and white to check for non-active pixels. [CHANNEL UP/DOWN] Screen 1. Enter the service mode. buttons 2. Each time the [7] button on the remote control unit M.
  • Page 21 The White Balance Adjustment should be 6. Press [MENU] button. The internal Raster signal appears in the screen. (“Internal (Single)” appears performed when replacing the LCD Panel in the upper right of the screen as shown below.) or Digital Main CBA. 3.

  • 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 a. USB storage device b. Remote Control Unit Firmware Update Procedure User Upgrade (Filename example: TVNB012_00_UF_XX91_AA.ecc) Upgrade the firmware only. The setting values will not be initialized. The User Upgrade and the Firmware Upgrade (Factory Upgrade) will be done by the same file. If you want to upgrade the firmware and initialize the setting values also, add “FACT_”...
  • Page 24 Factory Upgrade (Firmware Upgrade/Flash Upgrade) Firmware Upgrade (Filename example: FACT_TVNB012_00_UF_XX91_AA.ecc) Upgrade the firmware and initialize the setting values. The User Upgrade and the Firmware Upgrade (Factory Upgrade) will be done by the same file. If you want to upgrade the firmware and initialize the setting values also, add “FACT_” at the beginning of the filename. If you want to upgrade the firmware only and leave the setting values as they are, eliminate the “FACT_”...

  • Page 25: Troubleshooting

    TROUBLESHOOTING [Power Supply Section] FLOW CHART NO.1 The power cannot be turned on. Is the fuse (F601) normal? See FLOW CHART No.2 <The fuse blows out.> Check if there is any leak or short-circuit on the primary circuit component and repair it if defective. (D601, D602, D603, D604, Q601, Q602, T601) Is the P-ON+21V line voltage normal? FLOW CHART NO.2...
  • Page 26 FLOW CHART NO.5 P-ON+21V is not output. Check D650, D651, C651, C652, C653 and their periphery circuit. Repair it if defective. FLOW CHART NO.6 AMP+24V is not output. FLOW CHART NO.7 AL+3.3V is not output. PL12.6ATR...
  • Page 27 [Video Signal Section] FLOW CHART NO.1 The key operation is not functioning. Is approximately +3.3V voltage supplied to Pin(1) of CN4001? Replace Digital Main CBA Unit. Replace IC4001 Check AL+3.3V line and or Function CBA. repair it if defective. FLOW CHART NO.2 No operation is possible from the remote control unit.
  • Page 28 [Audio Signal Section] FLOW CHART NO.1 Audio is not output normally. See FLOW CHART NO.6 <AMP+24V is not output. [Power Supply Section]> See FLOW CHART NO.7 <AL+3.3V is not output. [Power Supply Section]> Replace Digital Main CBA Unit. PL12.6ATR...

  • Page 29: Block Diagrams

    BLOCK DIAGRAMS 1. System Control Block Diagram PL12.6ABLS...
  • Page 30 2. Video/Audio Block Diagram PL12.6ABLVA...
  • Page 31 3. Digital Signal Process Block Diagram PL12.6ABLD...
  • Page 32 4. LED Backlight Drive Block Diagram PL12.6BLBD...
  • Page 33 5. Power Supply Block Diagram PL12.6ABLP...

  • Page 34: 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 35 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 36 Power Supply Schematic Diagram CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. NOTE: CAUTION ! : For continued protection against risk of fire, If Main Fuse (F601) is blown , check to see that all components in the power supply The voltage for parts in hot circuit is measured using replace only with same type 4A, 125V fuse.
  • Page 37 Function Schematic Diagram C4054 R4052 R4063 TO DIGITAL MAIN 6.8K OPEN R4061 CN4001 CBA UNIT CN3101 OPEN R4062 1 AL+3.3V 2 P-ON+5V 3 LIGHT RS4051 GP1USC32XP 4 LED1 D4051 (REMOTE SENSOR) R4055 R4059 SMLE12WBC7W1HR OPEN OPEN 5 REMOTE POWER IC4051 6 KEY-IN1 OPEN 7 GND...
  • Page 38 Digital Main 1 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3005. IC3005 is divided into six and shown as IC3005 (1/6) ~ IC3005 (6/6) in this Digital Main Schematic Diagram Section. R3081 DIGITAL MAIN CBA UNIT D3008...
  • Page 39 Digital Main 2 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3005. IC3005 is divided into six and shown as IC3005 (1/6) ~ IC3005 (6/6) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT TU3901 TUNER UNIT IC3013...
  • Page 40 Digital Main 3 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3005. IC3005 is divided into six and shown as IC3005 (1/6) ~ IC3005 (6/6) in this Digital Main Schematic Diagram Section. C3009 IC3005(3/6) OPEN...
  • Page 41 Digital Main 4 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3005. IC3005 is divided into six and shown as IC3005 (1/6) ~ IC3005 (6/6) in this Digital Main Schematic Diagram Section. R3218 OPEN CONTINUE...
  • Page 42 Digital Main 5 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3005. IC3005 is divided into six and shown as IC3005 (1/6) ~ IC3005 (6/6) in this Digital Main Schematic Diagram Section. CONTINUE DIGITAL 4 CHECK+1.8V...
  • Page 43 Digital Main 6 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3005. IC3005 is divided into six and shown as IC3005 (1/6) ~ IC3005 (6/6) in this Digital Main Schematic Diagram Section. CONTINUE HDMI- DIGITAL 4...
  • Page 44 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. Also, in order to have the ability to increase the input slowly, CAUTION ! : For continued protection against risk of fire,...
  • Page 45 Power Supply CBA Bottom 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. Also, in order to have the ability to increase the input slowly, CAUTION ! : For continued protection against risk of fire,...
  • Page 46 Function CBA Top View C4002 R4021 C4052 R4002 R4022 R4053 TP4057 R4004 TP4061 TP4062 IC4001 C4053 TP4058 R4006 TP4054 CN4001 R4062 R4018 TP4055 TP4059 R4011 C4001 TP4056 R4007 TP4060 D4004 R4012 C4056 R4054 D4003 D4001 BA21F0G0203 2 4 R4009 NO.1 A30C5 C7A3 C4055...

  • Page 47: Wiring Diagram

    WIRING DIAGRAM 11-1 PL12.6AWI...

  • Page 48: Exploded Views

    EXPLODED VIEWS LCD1 CL3006 CL1001 Digital Main CBA Unit LCD Module CL3701 Function CBA CL3801 CL3101 Power Supply CBA AC601 SP3802 SP3801 See Electrical Parts List for parts with this mark. Stand Assembly SSK1 12-1 PL12.6-A_CEX...
  • Page 49 Packing SSK1 Tape Packing Tape Packing Tape F R O F R O Some Ref. Numbers are Packing Tape not in sequence. 12-2 PL12.6-A_PEX...

  • Page 50: Parts List

    PARTS LIST Mechanical Parts LCD PANEL ASSEMBLY PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Ref. No. Description Part No. Before replacing any of these components, read LCD1 LCD PANEL ASSEMBLY U24F0P0 carefully the product safety notice in this service Consists of the following manual.
  • Page 51 Electrical Parts PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. C607 CHIP CERAMIC CAP . B K 1200pF/50V CHD1JK30B122 Before replacing any of these components, read C608 CHIP CERAMIC CAP . B K 0.039μF/50V CHD1JK30B393 carefully the product safety notice in this service C609#...
  • Page 52 Ref. No. Description Part No. Ref. No. Description Part No. RES CHIP 1608 1/10W F 560k Ω R1004 RTW5603HH008 RES CHIP 1608 1/10W F 200k Ω R1005 RTW2003HH008 IC601# IC PHOTOCOUPLER TLP781F(D4-FUNBLL F) QPEL781FBLLF RES CHIP 1608 1/10W F 27.0k Ω R1006 RTW2702HH008 IC1001#...
  • Page 53 Ref. No. Description Part No. RES CHIP 1005 1/16W J 18k Ω R4008 RRXG183HH004 CHIP RES.(1005) 1/16W J 8.2k Ω R4009 RRXG822HH004 CHIP RES. 1/16W J 4.7k Ω R4010 RRXG472HH004 CHIP RES.(1005) 1/16W J 2.7k Ω R4011 RRXG272HH004 CHIP RES.(1005) 1/16W J 2.2k Ω R4012 RRXG222HH004 CHIP RES.(1005) 1/16W J 100 Ω...

  • Page 54: Revision History

    REVISION HISTORY Chassis PL12.6 • 2012/8/18 32PFL2507/F8 (Serial No.: VM1) added 14-1 PL12.6REV...

  • Page 55: Comparison List Of Model Names

    COMPARISON LIST OF MODEL NAMES Chassis PL12.6 32PFL2507/F8 (VM1) A21FNZD 15-1 PL12.6COM...

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