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FUNAI Sylvania LC260SS1 Service Manual

26" lcd tv
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LCD TV

SERVICE MANUAL

26"
LC260SS1
26"
LC260EM1
26"
26MF330B/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. 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
design is a registered trademark of Funai Electric Co., Ltd and may not be used in any way
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.
chassis FL10.2
Contents
SYLVANIA LIMITED
EMERSON
MAGNAVOX
A01A1/A4/A0UH
100419

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Summary of Contents for FUNAI Sylvania LC260SS1

  • Page 1: Service Manual

    LCD TV chassis FL10.2 SERVICE MANUAL Contents 26” LC260SS1 SYLVANIA LIMITED 26” LC260EM1 EMERSON 26” 26MF330B/F7 MAGNAVOX © 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: Pixels

    IMPORTANT SAFETY NOTICE Proper service and repair is important to the safe, reliable operation of all Funai Equipment. The service procedures recommended by Funai 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: Specifications

    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-2) (S-3) (S-2) (S-2) (S-2) (S-2) (S-3) [2] Rear Cabinet (S-2) (S-2) (S-2) [1] Stand Assembly (S-1) Fig. D1 FL10.2DC...
  • Page 15 [4] Digital Main [3] Jack Holder(D) CBA Unit [16] Front Cabinet (S-5) (S-5) (S-7) (S-7) (S-4) [15] Function CBA (S-6) [14] Junction-A CBA Shield Box (S-5) (S-15) [6] Jack CBA [12] Speaker [5] Jack Holder(A) (S-10) [13] Speaker (S-8) (S-16) (S-15) Holder (S-9)

  • Page 16: Wiring Diagram

    TV Cable Wiring Diagram To LCD Module To LCD Module Assembly Assembly Digital Main Power Supply CBA CBA Unit CN1001 WH1002 CN201 CN3902 CN301 CN3701 Junction-B CBA CN631 CN302 CN3702 CN1201 WH1001 CL701A CN1202 CN801 CN802 CN101 CL701B CN1203 To Speaker To Speaker Jack CBA CN105...

  • Page 17: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: “CBA” is abbreviation for How to set up the service mode: “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 18: Vcom Adjustment

    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. [CH X/Y ] Screen 1. Enter the Service mode. buttons 2. Each time pressing [7] button on the remote M.

  • Page 19: 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] 3. White Balance Adjustment Press [4] button to select “DR”...

  • Page 20: 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 21: 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 22: 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. (C605, C606, D601, D602, D603, D604, Q601, Q602, T601) Is the INV+35V line voltage normal?
  • Page 23 FLOW CHART NO.6 LCD+24V is not output. FLOW CHART NO.7 LCD+13V is not output. FLOW CHART NO.8 P-ON+7V is not output. FLOW CHART NO.9 P-ON+5V is not output. (LCD+13V is outputted normally.) Replace Q641. FL10.2TR...
  • Page 24 FLOW CHART NO.10 TUNER+5V is not output. (LCD+13V is outputted normally.) Replace Q640. FLOW CHART NO.11 AL+13V is not output. Is approximately +13V voltage supplied to the cathode of D641 and D642? FLOW CHART NO.12 P-ON+3V is not output. FLOW CHART NO.13 P-ON+3.3V is not output.
  • Page 25 FLOW CHART NO.14 P-ON+9V is not output. (LCD+13V is outputted normally.) Replace Q642. FLOW CHART NO.15 AL+3.3V is not output. FLOW CHART NO.16 LCD-6V is not output. Replace Q211. FL10.2TR...
  • Page 26 [ Video Signal Section ] FLOW CHART NO.1 The key operation is not functioning. Re-install the switches (SW101, SW103~SW107) correctly or replace the poor switch. Check the switches (SW101, SW103~SW107) and their periphery circuit, and service it if defective. Replace Digital Main CBA Unit. FLOW CHART NO.2 No operation is possible from the remote control unit.
  • Page 27 FLOW CHART NO.4 Picture does not appear normally.(Tuner input) FLOW CHART NO.5 Picture does not appear normally.(S-Video input) Pin(6): S-VIDEO-C Pin(8): S-VIDEO-Y FLOW CHART NO.6 Picture does not appear normally.(Y/Pb/Pr input) Pin(15): VIDEO-Y Pin(17): VIDEO-Pb Pin(19): VIDEO-Pr FL10.2TR...
  • Page 28 [ Audio Signal Section ] FLOW CHART NO.1 Audio is not outputted normally.(Audio input) Check the line between Pin(2, 15) of IC771 and input terminal(JK753, JK754), and service it if defective. Pin(6) : AMP(L)-OUT Pin(8) : AMP(R)-OUT Pin(2) : AUDIO(L)-OUT Pin(4) : AUDIO(R)-OUT CN801: SP(L)
  • Page 29 FLOW CHART NO.2 Audio is not outputted normally.(Component Audio input) Check the line between Pin(4, 11) of IC771 and input terminal(JK741, JK742), and service it if defective. Pin(6) : AMP(L)-OUT Pin(8) : AMP(R)-OUT Pin(2) : AUDIO(L)-OUT Pin(4) : AUDIO(R)-OUT CN801: SP(L) Check SP801,SP802 and their periphery circuit, CN802: SP(R) and service it if defective.
  • Page 30 FLOW CHART NO.3 Audio is not outputted normally.(HDMI Audio input) Check the line between Pin(5, 14) of IC771 and input terminal(JK721, JK722), and service it if defective. Pin(6) : AMP(L)-OUT Pin(8) : AMP(R)-OUT Pin(2) : AUDIO(L)-OUT Pin(4) : AUDIO(R)-OUT CN801: SP(L) Check SP801,SP802 and their periphery circuit, CN802: SP(R) and service it if defective.
  • Page 31 FLOW CHART NO.4 Audio is not outputted normally.(Tuner input) Check TU301 and their periphery circuit, and service it if defective. Pin(6) : AMP(L)-OUT Pin(8) : AMP(R)-OUT Pin(2) : AUDIO(L)-OUT Pin(4) : AUDIO(R)-OUT CN801: SP(L) Check SP801,SP802 and their periphery circuit, CN802: SP(R) and service it if defective.

  • Page 32: Block Diagrams

    BLOCK DIAGRAMS System Control Block Diagram FL10.2BLS...
  • Page 33 Video Block Diagram FL10.2BLV...
  • Page 34 Audio Block Diagram FL10.2BLA...
  • Page 35 Digital Signal Process Block Diagram FL10.2BLD...
  • Page 36 Inverter Block Diagram FL10.2BLINV...
  • Page 37 Power Supply Block Diagram FL10.2BLP...

  • Page 38: 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 39 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 40 Power Supply 1 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 41 Power Supply 2 Schematic Diagram 10-4 FL10.2SCM2...
  • Page 42 Power Supply 3 & Jack Schematic Diagram 10-5 FL10.2SCM3...
  • Page 43 Power Supply 4 Schematic Diagram FL10.2SCM4 10-6...
  • Page 44 Inverter & Junction-B Schematic Diagram FL10.2SCINV 10-7...
  • Page 45 Function & Junction-A Schematic Diagram 10-8 FL10.2SCF...
  • Page 46 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 FL10.2SCD1...
  • Page 47 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 FL10.2SCD2...
  • Page 48 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 FL10.2SCD3...
  • Page 49 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. FL10.2SCD4 10-12...
  • Page 50 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. FL10.2SCD5 10-13...
  • Page 51 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. FL10.2SCD6 10-14...
  • Page 52 Power Supply CBA & Jack CBA Top View Because a hot chassis ground is present in the power supply CAUTION ! CAUTION ! : For continued protection against risk of fire, circuit, an isolation transformer must be used when repairing. Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
  • Page 53 Power Supply CBA & Jack CBA Bottom View Because a hot chassis ground is present in the power supply CAUTION ! CAUTION ! : For continued protection against risk of fire, circuit, an isolation transformer must be used when repairing. Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
  • Page 54 Inverter CBA, Function CBA, Junction-A & Junction-B CBA Top View Junction-A CBA Function CBA Inverter CBA Junction-B CBA BA01A0F01031 10-17...
  • Page 55 Inverter CBA, Function CBA, Junction-A & Junction-B CBA Bottom View Junction-A CBA Function CBA Inverter CBA Junction-B CBA BA01A0F01031 10-18...

  • Page 56: Waveforms

    WAVEFORMS WF1 ~ WF7 = 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 17 of CN302 CVBS 0.2V 20µs VIDEO-Pb 0.2V 20µs Pin 8 of CN302 Pin 19 of CN302 20µs...

  • Page 57: Wiring Diagram

    WIRING DIAGRAM 12-1 FL10.2WI...

  • Page 58: Exploded Views

    EXPLODED VIEWS Cabinet *1: LC260SS1, 26MF330B/F7 LC260EM1 CL3701 CL801 CL3702 Digital Main CBA Unit CL3902 CL201 SP801 Junction-A CBA CL802 Jack CBA Function CBA SP802 Power Supply CBA LCD1 Junction-B CBA See Electrical Parts List for parts with this mark.
  • Page 59 Packing Stand Assembly Some Ref. Numbers are not in sequence. Tape Tape Tape Packing Tape Packing Tape 13-2 FL10.2PEX...

  • Page 60: Parts List

    PARTS LIST [ LC260SS1 ] Mechanical Parts PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. SET BAG L3207UH 1EM320295 Before replacing any of these components, read SERIAL NO. LABEL A01PBUH...

  • Page 61: Electrical Parts

    Electrical Parts PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. C602# CAP METALIZED FILM 0.47µF/300V K 3.5MM CT2F474DC004 Before replacing any of these components, read C605 CAP ELECTROLYTIC 270µF/200V CEA271DYG005 carefully the product safety notice in this service C606...
  • Page 62 Ref. No. Description Part No. Ref. No. Description Part No. C811 CHIP CERAMIC CAP .(1608) B K 0.47µF/16V CHD1CK30B474 D209 DIODE ZENER 36BSB-T26 NDTB036BST26 C815 CHIP CERAMIC CAP . F Z 1µF/10V CHD1AZ30F105 D210 DIODE ZENER 5V6BSB-T26 NDTB5R6BST26 C816 ELECTROLYTIC CAP . 10µF/50V M H7 CE1JMASSL100 D211 SWITCHING DIODE 1SS133(T-77)
  • Page 63 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES. 1/10W J 100k Ω IC631 IC LD1117V NSZBA0SSS046 R207 RRXAJR5Z0104 CHIP RES. 1/10W J 1 Ω IC771 IC SWITCHING TC4052BF(ELNF) QSZBA0TTS162 R208 RRXAJR5Z01R0 CHIP RES.(1608) 1/10W 0 Ω IC801 IC D-AMP BD5426EFS-E2 QSZBA0TRM137...
  • Page 64 Ref. No. Description Part No. Ref. No. Description Part No. RES CARBON FILM T 1/4W J 270 Ω CHIP RES. 1/10W J 15k Ω R616 RCX4271T1001 R744 RRXAJR5Z0153 CEMENT RESISTOR 5W J 2.2 Ω H 10MM CHIP RES. 1/10W J 39k Ω R617# RW052R2PAK10 R745...
  • Page 65 INVERTER ASSEMBLY Ref. No. Description Part No. BC802 BEADS INDUCTOR FBR07HA121SB-00 LLBF00STU030 Ref. No. Description Part No. BC803 BEADS INDUCTOR FBR07HA121SB-00 LLBF00STU030 INVERTER ASSEMBLY A01A1M1V-001 BC804 BEADS INDUCTOR FBR07HA121SB-00 LLBF00STU030 Consists of the following: BC805 BEADS INDUCTOR FBR07HA121SB-00 LLBF00STU030 INVERTER CBA A01A1M1V-001-IV BC807 WIRE COPPER 6111-06003-0120...
  • Page 66 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES. 1/10W J 10k Ω CN1202# CONNECTOR/JACK 1747386-1 JB17J02AP002 R1010 RRXAJR5Z0103 CHIP RES. 1/10W J 22k Ω CN1203# CONNECTOR/JACK 1747386-1 JB17J02AP002 R1011 RRXAJR5Z0223 CHIP RES. 1/10W J 4.7k Ω DIODES R1012 RRXAJR5Z0472...
  • Page 67 JUNCTION-B CBA Ref. No. Description Part No. CHIP RES. 1/10W F 390 Ω R1222 RRXAFR5H3900 Ref. No. Description Part No. CHIP RES. 1/10W F 30k Ω R1223 RRXAFR5H3002 JUNCTION-B CBA ---------- CHIP RES. 1/10W J 100k Ω R1224 RRXAJR5Z0104 Consists of the following: CHIP RES.
  • Page 68 Don't degrade the safety of the product through improper servicing. NOTE: Parts that are not assigned part numbers (---------) are not available. Different parts from the original model LC260SS1 Ref. No. Description Part No. FRONT CABINET A01A4UH 1EM025326...
  • Page 69 C..±0.25% D..±0.5% F..±1% G..±2% J..±5% K..±10% M..±20% N..±30% Z..+80/-20% Different parts from the original model LC260SS1 Ref. No. Description Part No. DIGITAL MAIN CBA UNIT A01A4MMA-001 MPW CBA A01A4MPW-001 POWER SUPPLY CBA(MPW-1) ---------- C835 CHIP CERAMIC CAP . B K 560PF/50V...
  • Page 70 Don't degrade the safety of the product through improper servicing. NOTE: Parts that are not assigned part numbers (---------) are not available. Different parts from the original model LC260SS1 Ref. No. Description Part No. STAND ASSEMBLY A01A0UH 1ESA24451...
  • Page 71 C..±0.25% D..±0.5% F..±1% G..±2% J..±5% K..±10% M..±20% N..±30% Z..+80/-20% Different parts from the original model LC260SS1 Ref. No. Description Part No. DIGITAL MAIN CBA UNIT A01A0MMA-002 INVERTER CBA ---------- R1003 METAL OXIDE RES. 2W J 2.7K OHM RN02272ZU001...

  • Page 72: Revision History

    REVISION HISTORY Chassis FL10.2 • 2010-03-29 LC260SS1 added • 2010-04-19 LC260EM1 added • 2010-04-19 26MF330B/F7 added 15-1 FL10.2REV...

This manual is also suitable for:

Emerson lc260em1Magnavox 26mf330b/f7

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