Sylvania Symphonic 6615LF4 Service Manual
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Sylvania Symphonic 6615LF4 Service Manual

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SERVICE MANUAL
15" COLOR LCD
TELEVISION
6615LF4/
STL1505
15" COLOR LCD
TELEVISION
6615LF

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Summary of Contents for Sylvania Symphonic 6615LF4

  • Page 1 SERVICE MANUAL 15″ COLOR LCD TELEVISION 6615LF4/ STL1505 15″ COLOR LCD TELEVISION 6615LF...

  • Page 2: Table Of Contents

    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: Specifications

    SPECIFICATIONS < TUNER > ANT. Input ---------------------- 75 ohm Unbal., F type Reference Level--------------- 20 Vp-p (LCD Green Cathode) Test Input Signal -------------- 400 Hz 30% modulation Description Condition Unit Nominal Limit Picture 45.75 1. Intermediate Freq. Sound 41.25 CH-2 dBµV 2.

  • Page 4: 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 5 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 6 Precautions during Servicing A. Parts identified by the # symbol are critical for L. When connecting or disconnecting the internal safety. connectors, first, disconnect the AC plug from the Replace only with part number specified. AC supply outlet. B. In addition to safety, other parts and assemblies M.
  • Page 7 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 8: 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 9 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 10 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 11 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 12: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS [ 6615LF4/STL1505 ] 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 13 [1] Rear Cabinet (S-1) (S-1) (S-1) (S-2) (S-1) Fig. D1 [7] Front Cabinet [6] Speaker (S-8) (S-6) [3] Main CBA (S-6) (S-7) [5] Function (S-6) (S-5) (S-6) (S-5) (S-6) (S-6) (S-5) (S-3) (S-8) [6] Speaker [4] LCD Main CBA & (S-6) Liquid Crystal Panel Unit (S-5)
  • Page 14 TV Cable Wiring Diagram Function CBA CLN104 LCD Main CBA & Liquid Crystal Panel Unit CN104 CN102B CN103B CN101B Main CBA CN113 CN402 CN103A CN102A CN101A CN403 CN801 CN802 To Speaker To Speaker LCD Main CBA & Liquid Crystal Panel Unit Fig.
  • Page 15 [ 6615LF ] 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 16 [1] Rear Cabinet (S-1) (S-1) (S-1) (S-1) (S-1) (S-2) (S-2) (S-1) (S-2) (S-1) (S-1) Fig. D1 [8] Front Cabinet [5] Function CBA (S-7) (S-6) (S-9) [7] Speaker [3] Main CBA (S-6) (S-6) (S-6) [7] Speaker (S-6) (S-9) (S-5) (S-6) (S-5) (S-8) (S-5) (S-3)
  • Page 17 TV Cable Wiring Diagram Function CBA CLN104 LCD Main CBA & Liquid Crystal Panel Unit CN104 CLN105 IR Sensor CBA CN105 CN102B CN103B CN101B Main CBA CN113 CN402 CN103A CN102A CN101A CN403 CN801 CN802 To Speaker To Speaker LCD Main CBA & Liquid Crystal Panel Unit Fig.

  • Page 18: 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. Use the service remote control unit. replacing circuit components and certain mechanical parts. It is important to perform 2.
  • Page 19 3. If Flicker Adjustment is not fit, the screen become Button Data the following. Item (on the service Value remote control) D2-BRT VCOM D2-CNT D2-CLR-R [MENU] → [5] D2-CLR-B D2-TNT FLASH (Go and Off) D2-SHR D3-BRT D3-CNT 4. Press [CH o / p] buttons on the remote control D3-CLR-R unit so that flash stops.
  • Page 20 The following adjustment normally are not 5. [RF/VIDEO1] attempted in the field. Only when replacing the When “x” value and “y” value are not within LCD Panel then adjust as a preparation. specification, adjust “DB (C/D1)” or “DR (C/D1)”. Refer to “1. Initial Setting.” 3.

  • Page 21: How To Initialize The Lcd Television

    HOW TO INITIALIZE THE LCD TELEVISION How to initialize the LCD television: 1. Turn the power on. (Use main power on the TV unit.) 2. To enter the service mode, press [POWER], [2], [7], [1], and [MUTE] buttons on the remote control unit in that order within 5 seconds.

  • Page 22: Block Diagrams

    BLOCK DIAGRAMS System Control Block Diagram L3100BLS...
  • Page 23 IF/Video Block Diagram L3100BLIF...
  • Page 24 Audio Block Diagram L3100BLA...
  • Page 25 LCD Block Diagram L3100BLLCD...
  • Page 26 Power Supply Block Diagram L3100BLP...
  • Page 27 LCD Backlight Block Diagram L3100BLLB...

  • Page 28: Schematic Diagrams / Cba's And Test Points

    SCHEMATIC DIAGRAMS / CBA'S AND TEST POINTS Standard Notes 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. Replacement parts that have these special safety characteristics are identified in this manual and its supplements;...
  • Page 29 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 30 Main 1/5 Schematic Diagram MAIN 1/5 Ref No. Position IC531 IC533 IC671 IC672 TRANSISTORS Q501 Q502 Q503 Q505 Q509 Q510 Q511 Q512 Q513 Q531 Q633 CONNECTORS CN101A CN102A L3100SCM1...
  • Page 31 Main 2/5 Schematic Diagram MAIN 2/5 Ref No. Position IC31 IC851 IC852 TRANSISTOR CONNECTOR CN113 L3100SCM2...
  • Page 32 Main 3/5 Schematic Diagram MAIN 3/5 Ref No. Position IC781 IC801 TRANSISTORS Q701 Q702 Q703 Q704 Q705 Q706 Q707 Q708 Q802 Q803 CONNECTORS CN801 CN802 CN103A L3100SCM3...
  • Page 33 Main 4/5 Schematic Diagram NOTE: CAUTION ! 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 34 Main 5/5 Schematic Diagram MAIN5/5 Ref No. Position TRANSISTORS Q401 AA-2 Q403 Q404 Q405 AA-2 Q406 AA-2 Q407 Q408 Q409 Q410 Q411 AA-3 Q412 AA-3 Q415 AA-1 Q416 AA-1 Q421 AC-4 Q422 AC-3 Q423 AC-2 Q424 AB-1 Q427 AA-3 Q428 AA-2 CONNECTORS AD-4...
  • Page 35 Function Schematic Diagram L3100SCF...
  • Page 36 IR Sensor Schematic Diagram ( 6615LF) L3108SCIR...
  • Page 37 LCD Main 1/2 Schematic Diagram LCD MAIN 1/2 Ref No. Position IC333 TRANSISTOR Q301 CONNECTORS CN104 CN105 CN111 CN211 CN311 CN102B L3100SCL1 8-10...
  • Page 38 LCD Main 2/2 Schematic Diagram LCD MAIN 2/2 Ref No. Position IC151 IC171 IC191 IC192 IC193 IC201 TRANSISTORS Q131 Q201 CONNECTORS CN112 CN312 CN101B CN103B 8-11 L3100SCL2...
  • Page 39 Main CBA Top View CAUTION ! Because a hot chassis ground is present in the power Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. supply circuit, an isolation transformer must be used. CAUTION ! : For continued protection against risk of fire, If Main Fuse (F601) is blown , check to see that all components in the power supply Also, in order to have the ability to increase the input...
  • Page 40 Main CBA Bottom View CAUTION ! Because a hot chassis ground is present in the power Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. supply circuit, an isolation transformer must be used. CAUTION ! : For continued protection against risk of fire, If Main Fuse (F601) is blown , check to see that all components in the power supply Also, in order to have the ability to increase the input...
  • Page 41 Function CBA Top View IR Sensor CBA Top & Bottom View (6615LF) BL3100F01011-2 BL3100F01011-3 Function CBA Bottom View BL3100F01011-2 8-14...

  • Page 42: Waveforms

    WAVEFORMS WF1 ~ WF12 = Waveforms to be observed at Waveform check points. (Shown in Schematic Diagram.) Input: NTSC Color Bar Signal (with 1kHz Audio Signal) CLKH STH1 S-VIDEO-C 1DIV: 1.0V 10 s 1DIV: 1.0V 10 s 1DIV: 200mV 20 s R392 R394 Pin 7 of CN103A...

  • Page 43: Wiring Diagram

    WIRING DIAGRAM 10-1 L3100WI...

  • Page 44: Exploded Views

    EXPLODED VIEWS Cabinet [ 6615LF4/STL1505 ] SP802 CLN802 CLN801 Function CBA Main CBA SP801 L4 L10 LCD Main CBA & Liquid Crystal Panel Unit See Electrical Parts List for parts with this mark. AC601 11-1 L3100_05_08CEX...
  • Page 45 [ 6615LF ] Function CBA CLN802 SP802 CLN801 SP801 Main CBA IR Sensor CBA LCD Main CBA & Liquid Crystal Panel Unit See Electrical Parts List for parts with this mark. AC601 11-2 L3100_05_08CEX...
  • Page 46 Packing [ 6615LF4/STL1505 ] Some Ref. Numbers are not in sequence. Tape Tape Packing Tape Packing Tape Packing Tape 11-3 L3100PEX...
  • Page 47 [ 6615LF ] Some Ref. Numbers are not in sequence. Tape Tape Packing Tape Packing Tape Packing Tape 11-4 L3100PEX...

  • Page 48: Mechanical Parts List

    BAG POLYETHYLENE 235X365XT0.03 0EM408420 FRONT CABINET L0201UB 0EM201816A OWNERS MANUAL L3100UA 1EMN20242 FRONT CABINET L3108UJ 1EM220182 OWNERS MANUAL L3105UF 1EMN20255 BRAND BADGE L0200UA~SYLVANIA~ 0EM409019 OWNERS MANUAL L3108UJ 1EMN20275 BRAND BADGE L6509UK 0EM408355 REMOTE CONTROL 170/ECNLC301/ NE900UD NE900UD CONTROL PLATE L0201UB...

  • Page 49: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Mark Description Part No. # have special characteristics important to safety. CHIP CERAMIC CAP .(1608) CH J CHD1JJ3CH102 1000pF/ 50V Before replacing any of these components, read CHIP CERAMIC CAP .(1608) B K 0.01µF/ CHD1JK30B103 carefully the product safety notice in this service manual.
  • Page 50 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. C505 CHIP CERAMIC CAP .(1608) B K 0.01µF/ CHD1JK30B103 C706 CHIP CERAMIC CAP .(1608) CH J CHD1JJ3CH102 1000pF/ 50V C506 CHIP CERAMIC CAP .(1608) B K 0.01µF/ CHD1JK30B103 C707 CHIP CERAMIC CAP .(1608) CH J CHD1JJ3CH102...
  • Page 51 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. C860 ELECTROLYTIC CAP . 10µF/50V M H7 CE1JMASSL100 D467 SWITCHING DIODE 1SS400 QD1Z001SS400 C861 ELECTROLYTIC CAP . 100µF/10V M H7 CE1AMASSL101 D468 SWITCHING DIODE 1SS400 QD1Z001SS400 C862 CHIP CERAMIC CAP .(1608) B K 0.01µF/ CHD1JK30B103 D469 SWITCHING DIODE 1SS400...
  • Page 52 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. D682 SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 Q531 TRANSISTOR 2SC2120-O-TPE2 QQS002SC2120 D701 ZENER DIODE MTZJT-778.2B QDTB0MTZJ8R2 Q601# FET 2SK3869(Q) QFWZ2SK3869Q D702 ZENER DIODE MTZJT-778.2B QDTB0MTZJ8R2 Q603# TRANSISTOR 2SC2120-O-TPE2 QQS002SC2120 D703 ZENER DIODE MTZJT-778.2B QDTB0MTZJ8R2 Q633...
  • Page 53 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. CHIP RES.(1608) 1/10W J 330 Ω CARBON RES. 1/4W J 390k Ω R441 RRXAJR5Z0331 R605 RCX4JATZ0394 CHIP RES.(1608) 1/10W J 3.3k Ω R442 RRXAJR5Z0332 R606 PCB JUMPER D0.6-P5.0 JW5.0T CHIP RES.(1608) 1/10W J 10k Ω...
  • Page 54 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. CARBON RES. 1/4W J 100 Ω CHIP RES.(1608) 1/10W J 330 Ω R734 RCX4JATZ0101 R836 RRXAJR5Z0331 CHIP RES.(1608) 1/10W J 39k Ω CHIP RES.(1608) 1/10W J 12k Ω R735 RRXAJR5Z0393 R837...
  • Page 55 FUNCTION CBA Ref. No. Mark Description Part No. FUNCTION CBA ---------- Consists of the following: CAPACITORS C101 ELECTROLYTIC CAP . 47µF/10V M H7 CE1AMASSL470 C103 CERAMIC CAP .(AX) B K 0.01µF/50V CA1J103TU011 RESISTORS CHIP RES.(1608) 1/10W J 10k Ω R101 RRXAJR5Z0103 CARBON RES.
  • Page 56 6615LF4/STL1505/6615LF L3100UA/05UF/08UJH 2005-04-22...
  • Page 57 SUPPLEMENT SERVICE MANUAL Rating Label This service manual is for the 6615LF4 different LCD Module Assembly model, which is different from the previous 6615LF4 model. For 6615LF4 different LCD Module Assembly model, the letter (L3110UA) is printed on rating label on the back of the unit. Refer to the rating label illustration at right.
  • Page 58 SCHEMATIC DIAGRAMS / CBA'S AND TEST POINTS Standard Notes 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. Replacement parts that have these special safety characteristics are identified in this manual and its supplements;...
  • Page 59 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 60 Main 1/5 Schematic Diagram (6615LF4) MAIN 1/5 Ref No. Position IC531 IC533 IC671 IC672 TRANSISTORS Q501 Q502 Q503 Q505 Q509 Q510 Q511 Q512 Q513 Q531 Q633 CONNECTORS CN101A CN102A L3110SCM1...
  • Page 61 LCD Main 1/2 Schematic Diagram LCD MAIN 1/2 Ref No. Position IC333 TRANSISTOR Q301 CONNECTORS CN104 CN105 CN111 CN211 CN311 CN102B L3110SCL1...
  • Page 62 LCD Main 2/2 Schematic Diagram LCD MAIN 2/2 Ref No. Position IC151 IC171 IC191 IC192 IC193 IC201 TRANSISTORS Q131 Q201 CONNECTORS CN112 CN312 CN101B CN103B L3110SCL2...
  • Page 63 Main CBA Top View CAUTION ! Because a hot chassis ground is present in the power Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. supply circuit, an isolation transformer must be used. CAUTION ! : For continued protection against risk of fire, If Main Fuse (F601) is blown , check to see that all components in the power supply Also, in order to have the ability to increase the input...
  • Page 64 Main CBA Bottom View CAUTION ! Because a hot chassis ground is present in the power Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. supply circuit, an isolation transformer must be used. CAUTION ! : For continued protection against risk of fire, Also, in order to have the ability to increase the input If Main Fuse (F601) is blown , check to see that all components in the power supply...
  • Page 65 Function CBA Top View BL3100F01013-2 Function CBA Bottom View BL3100F01013-2...
  • Page 66 Different parts from the previous model Ref. No. Description Part No. MECHANICAL PARTS RATING LABEL L3110UA ---------- ELECTRICAL PARTS LCD MAIN CBA & LIQUID CRYSTAL 1FSA10049 PANEL UNIT L3110PL...
  • Page 67 6615LF4 L3110UA 2005-09-16...
  • Page 68 SUPPLEMENT SERVICE MANUAL Rating Label This service manual is for the 6615LF different LCD Module Assembly model, which is different from the previous 6615LF model. For 6615LF different LCD Module Assembly model, the letter (L3118UJ) is printed on rating L3118UJ label on the back of the unit.
  • Page 69 SCHEMATIC DIAGRAMS / CBA'S AND TEST POINTS Standard Notes 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. Replacement parts that have these special safety characteristics are identified in this manual and its supplements;...
  • Page 70 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 71 Main 1/5 Schematic Diagram MAIN 1/5 Ref No. Position IC531 IC533 IC671 IC672 TRANSISTORS Q501 Q502 Q503 Q505 Q509 Q510 Q511 Q512 Q513 Q531 Q633 CONNECTORS CN101A CN102A L3118SCM1...
  • Page 72 LCD Main 1/2 Schematic Diagram LCD MAIN 1/2 Ref No. Position IC333 TRANSISTOR Q301 CONNECTORS CN104 CN105 CN311 CN102B L3118SCL1...
  • Page 73 LCD Main 2/2 Schematic Diagram LCD MAIN 2/2 Ref No. Position IC151 IC171 IC191 IC192 IC193 IC201 TRANSISTORS Q131 Q201 CONNECTORS CN312 CN101B CN103B L3118SCL2...
  • Page 74 Main CBA Top View CAUTION ! Because a hot chassis ground is present in the power Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. supply circuit, an isolation transformer must be used. CAUTION ! : For continued protection against risk of fire, If Main Fuse (F601) is blown , check to see that all components in the power supply Also, in order to have the ability to increase the input...
  • Page 75 Main CBA Bottom View CAUTION ! Because a hot chassis ground is present in the power Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. supply circuit, an isolation transformer must be used. CAUTION ! : For continued protection against risk of fire, Also, in order to have the ability to increase the input If Main Fuse (F601) is blown , check to see that all components in the power supply...
  • Page 76 IR Sensor CBA Top & Bottom View Function CBA Top View BL3100F01013-3 BL3100F01013-2 Function CBA Bottom View BL3100F01013-2...
  • Page 77 Different parts from the previous model Ref. No. Description Part No. MECHANICAL PARTS RATING LABEL L3118UJ ---------- ELECTRICAL PARTS LCD MAIN CBA & LIQUID CRYSTAL 1FSA10049 PANEL UNIT L3118PL...
  • Page 78 6615LF L3118UJ 2005-09-21...

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Symphonic stl1505Symphonic 6615lf

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