Philips 19pfl4505d/F7 Service Manual

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19"

19PFL4505D/F7

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Summary of Contents for Philips 19pfl4505d/F7

Page 1: Service Manual
Service Manual Contents 19” 19PFL4505D/F7 © 2010 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 1. Disassembly Flowchart Removal Step/ This flowchart indicates the disassembly steps for the Remove/*Unhook/ Loc. Part Fig. Unlock/Release/ cabinet parts, and the CBA in order to gain access to Note Unplug/Unclamp/ item(s) to be serviced. When reassembling, follow the Desolder steps in reverse order.
Page 14 (S-4) (S-3) (S-4) [2] Rear Cabinet (S-3) (S-3) (S-3) (S-2) (S-3) (S-1) [1] Stand Assembly Fig. D1 PL10.9DC...
Page 15 [14] Front Cabinet [11] IR Sensor CBA [13] LCD Module Assembly [12] Panel Holder Sensor LED Lens [10] Digital Main CBA Unit (S-11) [5] Jack Holder(D) (S-12) (S-10) (S-12) (S-6) [9] Jack CBA Separation Sheet Shield (S-10) AC Holder (H-1) [6] Jack Holder(A) (S-9) (S-7)
Page 16 TV Cable Wiring Diagram To LCD Module Assembly To LCD Module Assembly CN3904 CN3701 CN301 CN302 CN3702 Main CBA Digital Main CN102 CBA Unit CN601 CN702 Jack CBA CN101 CN873 CN872 CN2701 CN2681 To Speaker To AC cord Function To Speaker IR Sensor CBA CN2107 CN2108...
Page 17: 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 18: White Balance Adjustment
The White Balance Adjustment should be 5. [CUTOFF] Press [1] button to select “COR” for Red Cutoff performed when replacing the LCD Panel adjustment. Press [3] button to select “COB” for or Digital Main CBA. Blue Cutoff adjustment. [DRIVE] 2. White Balance Adjustment Press [4] button to select “DR”...
Page 19: 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 20: Firmware Renewal Mode
FIRMWARE RENEWAL MODE Equipment Required The appearance shown in *1 is described as follows. Appearance State a. USB storage device Downloading the firmware from b. Remote Control Unit Downloading... the USB storage device. Writing the downloaded firmware Writing... Firmware Update Procedure in flash memory.
Page 21: 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-circuiting on the primary circuit component, and service it if defective. (D601, D602, D603, D604, Q601, Q603, IC602, T601) Is the +24V line voltage normal?
Page 22 FLOW CHART NO.6 VT+32V is not output. FLOW CHART NO.7 P-ON+7V is not output. FLOW CHART NO.8 P-ON+5V is not output. Replace Q636. FLOW CHART NO.9 TUNER+5V is not output. Replace Q637. PL10.9TR...
Page 23 FLOW CHART NO.10 P-ON+3.3V(P-ON+3V) is not output. FLOW CHART NO.11 P-ON+9V is not output. Replace Q641. FLOW CHART NO.12 AL+3.3V is not output. (P-ON+7V is outputted normally) FLOW CHART NO.13 SP+14V is not output. FLOW CHART NO.14 LCD+5V is not output. PL10.9TR...
Page 24 [ Video Signal Section ] FLOW CHART NO.1 The key operation is not functioning. Re-install the switches (SW2101~SW2106) correctly or replace the poor switch. Check the switches (SW2101~SW2106) and their periphery, and service it if defective. Replace Digital Main CBA Unit. FLOW CHART NO.2 No operation is possible from the remote control unit.
Page 25 FLOW CHART NO.4 Picture does not appear normally.(Tuner input) FLOW CHART NO.5 Picture does not appear normally.(Y/Pb/Pr input) Pin(15): VIDEO-Y Pin(17): VIDEO-Pb Pin(19): VIDEO-Pr PL10.9TR...
Page 26 [ Audio Signal Section ] FLOW CHART NO.1 Audio is not outputted normally.(Audio input) Check the line between Pin(2, 15) of IC2771 and input terminal(JK2753, JK2754), and service it if defective. Check JK2851, SP801,SP802 and their periphery circuit, and service it if defective. FLOW CHART NO.2 Audio is not outputted normally.(Component Audio input) Check the line between Pin(4, 11) of IC2771 and input...
Page 27 FLOW CHART NO.3 Audio is not outputted normally.(Tuner input) Check TU301 and their periphery circuit, and service it if defective. Check JK2851, SP801,SP802 and their periphery circuit, and service it if defective. FLOW CHART NO.4 Audio is not outputted normally.(HDMI Audio input) Check the line between Pin(5, 14) of IC2771 and input terminal(JK2721, JK2722), and service it if defective.
Page 28 FLOW CHART NO.5 Audio is not outputted normally.(PC Audio input) Check the line between Pin(1, 12) of IC2771 and input terminal(JK2711), and service it if defective. Check JK2851, SP801,SP802 and their periphery circuit, and service it if defective. PL10.9TR...
Page 29: Block Diagrams
BLOCK DIAGRAMS System Control Block Diagram PL10.9BLS...
Page 30 Video Block Diagram PL10.9BLV...
Page 31 Audio Block Diagram PL10.9BLA...
Page 32 Digital Signal Process Block Diagram PL10.9BLD...
Page 33 LED Backlight Drive Block Diagram PL10.9BLBD...
Page 34 Power Supply Block Diagram PL10.9BLP...
Page 35: 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 36 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 37 Main 1 Schematic Diagram 10-3 PL10.9SCM1...
Page 38 Main 2 Schematic Diagram 10-4 PL10.9SCM2...
Page 39 Main 3 Schematic Diagram CAUTION ! NOTE: Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured using CAUTION ! : For continued protection against risk of fire, If Main Fuse (F601) is blown , check to see that all components in the power supply hot GND as a common terminal.
Page 40 Jack Schematic Diagram PL10.9SCJ 10-6...
Page 41 Function Schematic Diagram 10-7 PL10.9SCF...
Page 42 IR Sensor Schematic Diagram PL10.9SCIR 10-8...
Page 43 Digital Main 1 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into five and shown as IC3301 (1/6) ~ IC3301 (6/6) in this Digital Main Schematic Diagram Section. 10-9 PL10.9SCD1...
Page 44 Digital Main 2 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into five and shown as IC3301 (1/6) ~ IC3301 (6/6) in this Digital Main Schematic Diagram Section. 10-10 PL10.9SCD2...
Page 45 Digital Main 3 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into five and shown as IC3301 (1/6) ~ IC3301 (6/6) in this Digital Main Schematic Diagram Section. 10-11 PL10.9SCD3...
Page 46 Digital Main 4 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into five and shown as IC3301 (1/6) ~ IC3301 (6/6) in this Digital Main Schematic Diagram Section. PL10.9SCD4 10-12...
Page 47 Digital Main 5 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into five and shown as IC3301 (1/6) ~ IC3301 (6/6) in this Digital Main Schematic Diagram Section. PL10.9SCD5 10-13...
Page 48 Digital Main 6 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into five and shown as IC3301 (1/6) ~ IC3301 (6/6) in this Digital Main Schematic Diagram Section. PL10.9SCD6 10-14...
Page 49 Main 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 50 Main CBA Bottom View CAUTION ! Because a hot chassis ground is present in the power supply Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. CAUTION ! : For continued protection against risk of fire, circuit, an isolation transformer must be used when repairing.
Page 51 Jack CBA, Function CBA & IR Sensor CBA Top View Function CBA VOL DOWN VOL UP R2176 R2178 R2174 R2179 R2180 R2175 CN2108 BA01N7F0102 1 C7A3 Jack CBA JK2752 JK2753 JK2754 J2700 VIDEO-L-J JK2851 L2854 C2852 L2853 IR Sensor CBA JK2721 JK2722 HDMI-L...
Page 52 Jack CBA, Function CBA & IR Sensor CBA Bottom View Function CBA R2176 R2178 R2174 R2180 R2175 R2179 CN2108 Jack CBA JK2754 JK2753 JK2752 J2700 VIDEO-L-J JK2851 L2854 C2852 L2853 IR Sensor CBA JK2722 JK2721 J2715 J2703 J2713 J2705 COM-L J2721 IC2771 J2708...
Page 53: 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) Pin 4 of CN302 Pin 19 of CN302 CVBS 0.2V 20µs VIDEO-Pr 0.2V 20µs Pin 13 of CN302 Pin 15 of CN302 AUDIO...
Page 54: Wiring Diagram
WIRING DIAGRAM PL10.9WI 12-1...
Page 55: Exploded Views
EXPLODED VIEWS Cabinet LCD1 CL3904 IR Sensor CBA Digital Main CBA Unit CL3701 CL3702 Jack CBA CL701 CL873 Main CBA See Electrical Parts List Function CBA for parts with this mark. SP801 SP802 13-1 PL10.9CEX...
Page 56 Packing AC601 Tape Tape Packing Tape Some Ref. Numbers are not in sequence. 13-2 PL10.9PEX...
Page 57 PARTS LIST [19PFL4505D/F7] Mechanical Parts PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. SET BAG A81N0UH 1EM322872A Before replacing any of these components, read SERIAL NO. LABEL A01P0UH ----------...
Page 58: Electrical Parts
Electrical Parts PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. C310 CHIP CERAMIC CAP .(1608) CH J 47pF/50V CHD1JJ3CH470 Before replacing any of these components, read C311 CHIP CERAMIC CAP .(1608) CH J 47pF/50V CHD1JJ3CH470 carefully the product safety notice in this service C314...
Page 59 Ref. No. Description Part No. Ref. No. Description Part No. C804 CHIP CERAMIC CAP . (1608) B K 1µF/16V CHD1CK30B105 D407 SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 C805 ELECTROLYTIC CAP . 220µF/25V M CE1EMASDL221 D408 SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 C806 ELECTROLYTIC CAP . 220µF/25V M CE1EMASDL221 D410 SWITCHING DIODE 1SS133(T-77)
Page 60 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES.(1608) 1/10W 0 Ω IC602# IC SWITING FA5571N-D1-TE1/SOP-8 QSCA0T0FD003 R303 RRXAZR5Z0000 CHIP RES.(1608) 1/10W 0 Ω IC621 IC DCDC CONVERTER MP2303ADNLFZ/ NSCA0T09M004 R304 RRXAZR5Z0000 SOIC8N/ CHIP RES.(1608) 1/10W 0 Ω R305 RRXAZR5Z0000 IC631...
Page 61 Ref. No. Description Part No. Ref. No. Description Part No. RES CARBON FILM T 1/4W J 820 Ω CHIP RES.(1608) 1/10W F 13.0 Ω R661 RCX4821T1001 R1116 RRXAFR5H13R0 RES CARBON FILM T 1/4W J 39 Ω CHIP RES.(1608) 1/10W F 13.0 Ω R662 RCX4390T1001 R1121...
Page 62 JACK ASSEMBLY Ref. No. Description Part No. CHIP RES.(1608) 1/10W 0 Ω R2734 RRXAZR5Z0000 Ref. No. Description Part No. CHIP RES.(1608) 1/10W 0 Ω R2735 RRXAZR5Z0000 JACK ASSEMBLY A01N7MJC-001 CHIP RES.(1608) 1/10W 0 Ω R2736 RRXAZR5Z0000 Consists of the following: CHIP RES.
Page 63 IR SENSOR CBA Ref. No. Description Part No. IR SENSOR CBA(MJC-B) ---------- Consists of the following: CAPACITORS C2161 CHIP CERAMIC CAP .(2125) F Z 10µF/10V CHE1AZ30F106 C2162 CHIP CERAMIC CAP . CH J 330pF/50V CHD1JJ3CH331 C2163 CHIP CERAMIC CAP .(1608) B K 0.1µF/16V CHD1CK30B104 C2164 CHIP CERAMIC CAP .(1608) B K 0.1µF/16V...
Page 64: Revision History
REVISION HISTORY Chassis PL10.9 • 2010-05-20 19PFL4505D/F7 added 15-1 PL10.9REV...

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