Philips 29PFL4508/F4 Service Manual
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Philips 29PFL4508/F4 Service Manual

Philips 29PFL4508/F4 Service Manual

29” lcd tv
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Service Manual
29PFL4508/F4
This service manual contains information of different types of models.
Make sure to refer to the section describing your model.
© 2013 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.: ME1)
design is a registered trademark of Funai Electric Co., Ltd and may not be used in any way
29" LCD TV
chassis PL13.21
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Summary of Contents for Philips 29PFL4508/F4

  • Page 1 29” LCD TV chassis PL13.21 Service Manual Contents 29PFL4508/F4 PHILIPS (Serial No.: ME1) This service manual contains information of different types of models. Make sure to refer to the section describing your model. © 2013 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> (VHF/UHF Input) ANT. Input ---------------------- 75  Unbal., F type Description Condition Unit Nominal Limit +300 1. AFT Pull-In Range -300 VHF Lo 67.25MHz (TV.ch.04) VHF Hi 265.25MHz 2. Syncronizing Sens. (CA.ch.31) UHF 801.25MHz (TV.ch.69) VHF Lo 67.25MHz 3.

  • 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 4. Hot Chassis Warning - 7. Product Safety Notice - Some electrical and mechanical parts have special safety-related a. Some TV receiver chassis are electrically characteristics which are often not evident from connected directly to one conductor of the AC visual inspection, nor can the protection they give power cord and maybe safety-serviced without necessarily be obtained by replacing them with...
  • 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 Chassis or Secondary Conductor for damage or deterioration. Observe that screws, parts and wires have been returned to original posi- tions. Afterwards, perform the following tests and con- Primary Circuit firm the specified values in order to verify compliance with safety standards.

  • 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: 1. Prepare the hot-air flat pack-IC desoldering Top View Bottom View machine, then apply hot air to the Flat Pack-IC...
  • Page 10 With Soldering Iron: 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 all pins of the flat pack-IC. When you use solder flux which is applied to all pins of the flat pack-IC, flux which is applied to all pins of the flat pack-IC, you can remove it easily.
  • Page 11 2. Installation Instructions for Handling Semi- conductors 1. Using desoldering braid, remove the solder from the foil of each pin of the flat pack-IC on the CBA Electrostatic breakdown of the semi-conductors may so you can install a replacement flat pack-IC more occur due to a potential difference caused by easily.

  • Page 12: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS Screw Torque Specification Step/ Fig. Loc. Part Removal Note Ref. Part Tightening Part Name Number Torque LCD Panel L7 GBHP3100 SCREW P-TIGHT D3 --------------- (M3X10 BIND HEAD+BLK) 6±1 kgf·cm Assembly SCREW S-TIGHT X-PCB L23 GBJS3060 6±1 kgf·cm D4 2(S-8) (M3X6 BIND HEAD+) Cover...
  • Page 13 2. When you disassemble/re-assemble the X-PCB • When assembling be careful not to damage the Cover X-PCB Board or the COF(Chip On Film). • Be careful not to break the hooks. If you pull with too • Make sure the hooks are securely in place when much force, the hooks may be damaged.
  • Page 14 Jack Holder [4] Digital Main CBA Unit (S-6) [3] Power Supply CBA (S-5) Fig. D2 [7] LCD Panel Assembly [5] Speaker Shield Plate [6] Function CBA Unit [5] Speaker (S-7) Leading Edge Cover Fig. D3 : Make sure to read all the precautions on page 4-1 when you disassemble/re-assemble the Function CBA Unit.
  • Page 15 [8] X-PCB Cover [9] Front Cabinet Hook Hook (S-8) Hook Hook Decoration Plate (S-9) Fig. D4 : Make sure to read all the precautions on page 4-1 when you disassemble/re-assemble the Front Cabinet. : Make sure to read all the precautions on page 4-2 when you disassemble/re-assemble the X- PCB Cover.
  • Page 16 TV Cable Wiring Diagram To LCD Panel To LCD Panel Assembly Assembly Digital Main CBA Unit Power Supply CBA CN21 CN105 CN104 CN103 CN102 CN11 CN101 CN20 CN9 To AC Cord Function CBA Unit To Speaker Fig. D5 A30MZ DC...

  • Page 17: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: “CBA” is abbreviation for The White Balance Adjustment should be “Circuit Board Assembly.” performed when replacing the LCD Module or Digital Main CBA Unit. Note: Electrical adjustments are required after replacing circuit components and certain White Balance Adjustment mechanical parts.

  • Page 18: 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 19: Firmware Renewal Mode

    FIRMWARE RENEWAL MODE Equipment Required a. USB storage device b. Remote Control Unit Firmware Update Procedure [Preparation] 1. Prepare USB storage device. 2. Copy F/W-file to USB storage device. Note: Make sure to use the blank USB Storage. 3. Make sure that the F/W-file’s name is “bin_6m182_VG.bin”.

  • Page 20: Troubleshooting

    TROUBLESHOOTING [Power Supply Section] FLOW CHART NO.1 The power cannot be turned on. Is the fuse (F602) 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, Q603, IC602,T601) Is the VLED(+21V) line voltage normal?
  • Page 21 FLOW CHART NO.5 VLED(+21V) is not output. Check D501, D502, D504,D510,C502, C503, C504 and their periphery circuit. Repair it if defective. FLOW CHART NO.6 AMP+13V is not output. FLOW CHART NO.7 +5V is not output. See FLOW CHART NO.5 <VLED(+21V) is not output. [Power Supply Section]>...
  • Page 22 [Video Signal Section] FLOW CHART NO.1 The key operation is not functioning. Replace Function CBA Unit. Replace Digital Main CBA Unit. FLOW CHART NO.2 No operation is possible from the remote control unit. (Operation is possible from the unit.) See FLOW CHART NO.8 <STB+5V is not output. [Power Supply Section]>...
  • Page 23 [Audio Signal Section] FLOW CHART NO.1 Audio is not output normally. See FLOW CHART NO.6 <AMP+13V is not output. [Power Supply Section]> See FLOW CHART NO.8 <STB+5V is not output. [Power Supply Section]> Replace Digital Main CBA Unit. A30MZZT TR...

  • Page 24: Block Diagrams

    BLOCK DIAGRAMS System Control Block Diagram A30MZBLS...
  • Page 25 Video / Audio Block Diagram A30MZBLVA...
  • Page 26 Digital Signal Process Block Diagram A30MZBLD...
  • Page 27 LED Backlight Drive Block Diagram A30MZBLLD...
  • Page 28 Power Supply Block Diagram A30MZBLP...

  • Page 29: 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 30 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. 2. CAUTION: Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F601) is blown, first 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 31 Power Supply CBA Schematic Diagram CAUTION ! CAUTION ! NOTE: For continued protection against fire hazard, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured using If Main Fuse (F602) is blown , check to see that all components in the power supply hot GND as a common terminal.
  • Page 32 Power Supply CBA Top View Because a hot chassis ground is present in the power supply circuit, an isolation transformer must be used when repairing. Also, in order to have the ability to increase the input slowly, CAUTION ! when troubleshooting this type of power supply circuit, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
  • Page 33 Power Supply CBA Bottom View Because a hot chassis ground is present in the power supply circuit, an isolation transformer must be used when repairing. Also, in order to have the ability to increase the input slowly, CAUTION ! when troubleshooting this type of power supply circuit, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.

  • Page 34: Wiring Diagrams

    WIRING DIAGRAMS 11-1 A33M1_M0WI...

  • Page 35: Exploded Views

    EXPLODED VIEWS Cabinet LCD1 CL12 Digital Main CBA Unit CL102 CL103 CL104 Function CBA Unit SP3801 CL20 SP3802 Power Supply CBA AC601 SSK1 See Electrical Parts List for parts with this mark. 12-1 A30MZ_CEX...
  • Page 36 Packing Some Ref. Numbers are not in sequence. SSK1 Tape Packing Tape Packing Tape Packing Tape 12-2 A30MZ_PEX...

  • Page 37: Parts List

    PARTS LIST [29PFL4508/F4 (Serial No.: ME1)] Mechanical Parts PRODUCT SAFETY NOTE: Products marked with a LCD PANEL ASSEMBLY # have special characteristics important to safety. Ref. No. Description Part No. Before replacing any of these components, read LCD1# LCD PANEL ASSEMBLY...
  • Page 38 Electrical Parts PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. C615 CAP CERAMIC HV 1000pF/1kV B K CA3A102TE006 Before replacing any of these components, read C617 CAP CHIP 3216 B K 10F/25V CA1E106MR082 carefully the product safety notice in this service C621#...
  • Page 39 Ref. No. Description Part No. Ref. No. Description Part No. RES CHIP 1608 1/10W J 3.3k  R617 RRXA332HH013 RES CHIP 3216 1/4W J 10k  R621 RRX4103HH034 IC301 IC SHUNT REGULATOR SN431A-AT NQSZ00SN431A RES CHIP 3216 1/4W J 10k  R622 RRX4103HH034 IC402...

  • Page 40: Revision History

    REVISION HISTORY Chassis PL13.21 • 2013/04/19 29PFL4508/F4 (Serial No.: ME1) added 14-1 PL13.21_REV...

  • Page 41: Comparison List Of Model Names

    COMPARISON LIST OF MODEL NAMES Chassis PL13.21 29PFL4508/F4 (ME1) A30MZZT 15-1 PL13.21_COM...

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