FUNAI LCD-A1506 Service Manual
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FUNAI LCD-A1506 Service Manual

15" color lcd television
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Van Woerkom electra

SERVICE MANUAL

15" COLOR LCD TELEVISION
LCD-A1506/LCD-B1506/
LCD-C1506/LCD-D1506
www.freeservicemanuals.info

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  • Page 1: Service Manual

    Van Woerkom electra SERVICE MANUAL 15" COLOR LCD TELEVISION LCD-A1506/LCD-B1506/ LCD-C1506/LCD-D1506 www.freeservicemanuals.info...

  • Page 2: Table Of Contents

    Van Woerkom electra 15″ COLOR LCD TELEVISION LCD-A1506/LCD-B1506/ LCD-C1506/LCD-D1506 TABLE OF CONTENTS Specifications ................1-1 Important Safety Precautions.

  • Page 3: Specifications

    Van Woerkom electra SPECIFICATIONS <TUNER> ANT. Input ------------------- 80 dBµV, Video: PAL 87.5%, Audio: 30 kHz dev (1 kHz Sin) Test Input Signal----------- 400Hz 30% modulation Description Condition Unit Nominal Limit 1. Intermediate Freq. Picture PAL-BG/I/DK, SECAM-L 38.9 SECAM-L’ 33.9 Sound PAL-BG 33.4...

  • Page 4: Important Safety Precautions

    Van Woerkom electra 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: Specifications

    Van Woerkom electra 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 6 Van Woerkom electra Precautions during Servicing A. Parts identified by the ! symbol are critical for M. When installing parts or assembling the cabinet safety. parts, be sure to use the proper screws and Replace only with part number specified. tighten certainly.
  • Page 7 Van Woerkom electra 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 8: Standard Notes For Servicing

    Van Woerkom electra 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 9 Van Woerkom electra 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 10: Instructions For Handling Semi- Conductors

    Van Woerkom electra 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 11: Cabinet Disassembly Instructions

    Van Woerkom electra 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 12 Van Woerkom electra [1] Rear Cabinet [3] Bracket [2] Stand A Shaft [4] Holder [5] Stand B Fig. D1 L4531DC www.freeservicemanuals.info...
  • Page 13 Van Woerkom electra [12] Front Cabinet S-10 [10] [9] Function CBA Speaker S-10 S-10 S-11 Speaker Holders [11] IR Sensor S-12 [10] Speaker Speaker Holders S-11 [8] LCD Main CBA Unit & Liquid Crystal Panel Unit [6] Jack Holder [7] Main CBA Fig.

  • Page 14: Wiring Diagram

    Van Woerkom electra TV Cable Wiring Diagram Function CBA CN31B To Liquid Crystal Panel Unit LCD Main CBA Unit CN106 CN311 CN312 Main CBA CN103B CN102B CN101B CN401 To Liquid CN103A CN102A CN101A Crystal Panel Unit CN403 CN802 To Speaker CN53 CN801 IR Sensor CBA...

  • Page 15: How To Initialize The Lcd Television

    Van Woerkom electra HOW TO INITIALIZE THE LCD TELEVISION To put the program back at the factory-default, initialize the LCD television as the following procedure. How to initialize the LCD television: 1. Turn the power on. (Use main power on the TV unit.) 2.

  • Page 16: Electrical Adjustment Instructions

    Van Woerkom electra ELECTRICAL ADJUSTMENT INSTRUCTIONS 1. Initial Setting General Note: “CBA” is abbreviation for “Circuit Board Assem- General bly.” Enter the Service mode. NOTE: Electrical adjustments are required after replacing Set the each initial data as shown on table 1 below. circuit components and certain mechanical parts.
  • Page 17 VOL. p → 9 C-SBB(C/D/S-2) LAST POWER FLASH (Go and Off) SYSTEM VOL. p 4. Press [CH. o / p] buttons on the remote control ASPECT unit so that flash stops. RUSSIAN *1 PAL-BG (LCD-A1506), PAL-I (LCD-B1506), SECAM-L (LCD-C1506), PAL-BG/DK (LCD-D1506) L4520EA www.freeservicemanuals.info...

  • Page 18: White Balance Adjustment

    Van Woerkom electra The following adjustment normally are not 6. [AV1(RGB)]----(APL 80%) Press “6” button to select “C-DB(C/D/S-2)” for Blue attempted in the field. Only when replacing the adjustment. Press “4” button to select “C-DR(C/D/ LCD Panel then adjust as a preparation. S-2)”...

  • Page 19: Block Diagrams

    Van Woerkom electra BLOCK DIAGRAMS System Control Block Diagram L4520BLS www.freeservicemanuals.info...
  • Page 20 Van Woerkom electra IF/Video Block Diagram L4520BLIF www.freeservicemanuals.info...

  • Page 21: Audio Block Diagram

    Van Woerkom electra Audio Block Diagram L4520BLA www.freeservicemanuals.info...
  • Page 22 Van Woerkom electra LCD Block Diagram L4520BLLCD www.freeservicemanuals.info...

  • Page 23: Power Supply Block Diagram

    Van Woerkom electra Power Supply Block Diagram L4520BLP www.freeservicemanuals.info...
  • Page 24 Van Woerkom electra LCD Backlight Block Diagram L4520BLLB www.freeservicemanuals.info...

  • Page 25: Schematic Diagrams / Cba's And Test Points

    Van Woerkom electra 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.
  • Page 26 Van Woerkom electra 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 27 Van Woerkom electra Main 1/4 Schematic Diagram L4520SCM1 www.freeservicemanuals.info...
  • Page 28 Van Woerkom electra Main 2/4 Schematic Diagram VOLTAGE CHART CN103A Pin No. Voltage L4520SCM2 www.freeservicemanuals.info...
  • Page 29 Van Woerkom electra Main 3/4 Schematic Diagram CAUTION ! NOTE: CAUTION ! For continued protection against fire hazard, The voltage for parts in hot circuit is measured using Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. replace only with the same type fuse.
  • Page 30 Van Woerkom electra Main 4/4 & IR Sensor Schematic Diagram VOLTAGE CHART CN102A Pin No. Voltage L4520SCM4 www.freeservicemanuals.info...
  • Page 31 Van Woerkom electra Function Schematic Diagram L4520SCF www.freeservicemanuals.info...
  • Page 32 Van Woerkom electra LCD Main 1/2 Schematic Diagram L4520SCL1 www.freeservicemanuals.info...
  • Page 33 Van Woerkom electra LCD Main 2/2 Schematic Diagram L4520SCL2 www.freeservicemanuals.info...
  • Page 34 Van Woerkom electra Main CBA Top View CAUTION ! Because a hot chassis ground is present in the power CAUTION ! For continued protection against fire hazard, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. supply circut, an isolation transformer must be used.
  • Page 35 Van Woerkom electra Main CBA Bottom View CAUTION ! CAUTION ! Because a hot chassis ground is present in the power supply circut, an isolation transformer must be used. For continued protection against fire hazard, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. replace only with the same type fuse.
  • Page 36 Van Woerkom electra Function CBA Top View IR Sensor CBA Top & Bottom View BL4520F01012-3 Function CBA Bottom View BL4520F01012-2 8-12 www.freeservicemanuals.info...

  • Page 37: Waveforms

    Van Woerkom electra WAVEFORMS WF1 ~ WF8 = Waveforms to be observed at Waveform check points. (Shown in Schematic Diagram.) Input: PAL Color Bar Signal (with 1kHz Audio Signal) Pin 14 of IC801 Pin 9 of CN103A Pin 3 of CN103A AUDIO 0.1V 0.5ms...
  • Page 38 Van Woerkom electra WF9 ~ WF14 = Waveforms to be observed at Waveform check points. (Shown in Schematic Diagram.) Input: PAL Color Bar Signal (with 1kHz Audio Signal) R904 R997 WF12 10µs CTKH 20ns R907 R902 WF13 WF10 STH1 1µs STV1 R901 R905...

  • Page 39: Wiring Diagram

    Van Woerkom electra WIRING DIAGRAMS 10-1 L4520WI www.freeservicemanuals.info...

  • Page 40: Exploded View

    LCD Main CBA Unit & Liquid Crystal Panel Unit See Electrical Parts List for parts with this mark. Main CBA Comparison Chart of [ B ] Models and Marks Model Mark AC601 LCD-A1506 LCD-B1506 AC601 LCD-C1506 [ A, C, D ] LCD-D1506 11-1 L4520EX www.freeservicemanuals.info...
  • Page 41 Models and Marks X2-5, X2-6, X2-2, X2-3, X2-10, X2-11, Model Mark X2-7, X2-12 X2-1 X2-4 X2-16, X2-17 X5 X3 LCD-A1506 LCD-B1506 LCD-C1506 LCD-D1506 Packing Tape Tape Packing Tape Packing Tape Packing Tape Some Ref. Numbers are not in sequence. 11-2 L4520PEX www.freeservicemanuals.info...

  • Page 42: Mechanical Parts List

    SCREW P-TIGHT M3*10 GCJP3100 Comparison Chart of Models and Marks WASHERHEAD+ SCREW P-TIGHT 3X10 BIND HEAD+ GBHP3100 Model Mark SCREW S-TIGHT M3X8 BIND HEAD+ GBHS3080 LCD-A1506 SCREW S-TIGHT M3X8 BIND HEAD+ GBJS3080 LCD-B1506 PACKING LCD-C1506 CARTON L4520EA 1EM423566 LCD-D1506 CARTON L4521BB...

  • Page 43: Electrical Parts List

    Comparison Chart of Models and Marks ELECTROLYTIC CAP . 10µF/50V M or CA1J100SP085 Model Mark ALUMINUM ELECTROLYTIC CAP 10µF/50V M CE1JMASTM100 LCD-A1506 C429 CHIP CERAMIC CAP .(1608) B K 0.01µF/50V CHD1JK30B103 LCD-B1506 C430 CAP METALIZED FILM 0.056µF 250V J ECWF2...
  • Page 44 Van Woerkom electra Ref. No. Description Part No. Ref. No. Description Part No. ALUMINUM ELECTROLYTIC CAP 10µF/50V H7 CE1JMAVSM100 C653 ELECTROLYTIC CAP . 470µF/10V M or CE1AMASDL471 C536 ELECTROLYTIC CAP . 330µF/6.3V M H7 or CE0KMAVSL331 ELECTROLYTIC CAP . 470µF/10V M or CA1A471SP085 ALUMINUM ELECTROLYTIC CAP 330µF/6.3V CE0KMAVSM331...
  • Page 45 Van Woerkom electra Ref. No. Description Part No. Ref. No. Description Part No. C766 ELECTROLYTIC CAP . 100µF/16V M H7 or CE1CMAVSL101 C848 CHIP CERAMIC CAP .(1608) F Z 0.1µF/50V CHD1JZ30F104 ALUMINUM ELECTROLYTIC CAP 100µF/16V CE1CMAVSM101 C850 ELECTROLYTIC CAP . 10µF/16V M or CE1CMASDL100 ELECTROLYTIC CAP .
  • Page 46 Van Woerkom electra Ref. No. Description Part No. Ref. No. Description Part No. SWITCHING DIODE KDS160E-RTK/P ND1ZKDS160EP D612 SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 D427 SWITCHING DIODE 1SS400 or QD1Z001SS400 D613 SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 SWITCHING DIODE KDS160E-RTK/P ND1ZKDS160EP D615 SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 D428 SWITCHING DIODE 1SS400 or...
  • Page 47 Van Woerkom electra Ref. No. Description Part No. Ref. No. Description Part No. D753 ZENER DIODE MTZJT-776.2B or QDTB0MTZJ6R2 TRANSISTOR KTA-1266-GR-AT/P or NQS4KTA1266P ZENER DIODE DZ-6.2BSBT265 NDTB0DZ6R2BS TRANSISTOR 2SA1318(T)-AANP or 2SA1318TZ D754 ZENER DIODE MTZJT-776.2B or QDTB0MTZJ6R2 TRANSISTOR 2SA1318(U)-AANP 2SA1318UZ ZENER DIODE DZ-6.2BSBT265 NDTB0DZ6R2BS Q406...
  • Page 48 Van Woerkom electra Ref. No. Description Part No. Ref. No. Description Part No. RES CHIP 1608 1/10W J 100 Ω RES CHIP 1608 1/10W J 10k Ω RRXA101YF002 RRXA103YF002 CARBON RES. 1/4W J 4.7k Ω CHIP RES. 1/10W J 390 Ω or RCX4JATZ0472 R461 RRXAJR5Z0391...
  • Page 49 Van Woerkom electra Ref. No. Description Part No. Ref. No. Description Part No. CEMENT RESISTOR 5W J 1.2 Ω H 10MM CARBON RES. 1/4W J 2.2 Ω RW051R2PAK10 R664 RCX4JATZ02R2 CARBON RES. 1/4W J 820k Ω R603 RCX4JATZ0824 R665 PCB JUMPER D0.6-P5.0 JW5.0T CARBON RES.
  • Page 50 Van Woerkom electra Ref. No. Description Part No. Ref. No. Description Part No. RES CHIP 1608 1/10W J 39k Ω METAL OXIDE FILM RES. 2W J 2.2 Ω RRXA393YF002 RN022R2DP004 CARBON RES. 1/4W J 560 Ω METAL OXIDE FILM RES. 2W J 2.2 Ω or R746 RCX4JATZ0561 R807!
  • Page 51 Van Woerkom electra FUNCTION CBA Ref. No. Description Part No. CHIP RES. 1/10W J 10k Ω or R904 RRXAJR5Z0103 Ref. No. Description Part No. RES CHIP 1608 1/10W J 10k Ω RRXA103YF002 FUNCTION CBA ---------- CHIP RES. 1/10W J 10k Ω or R905 RRXAJR5Z0103 Consists of the following:...
  • Page 52 Van Woerkom electra PARTS produced in EU Ref. No. Mark Description Part No. MISCELLANEOUS AC601! A,C,D AC CORD CEE 1800MM BLACK WAE0182LW004 AC601! B AC CORD BS 1800MM BLACK WAB0182LW017 A,B,D TUNER UNIT BS TMFE6-301A UTUNPLGAL018 TUNER UNIT BS TMFE6-401A UTUNPSGAL011 20060712 13-10...
  • Page 53 Van Woerkom electra LCD-A1506/LCD-B1506/LCD-C1506/LCD-D1506 L4520EA/21BB/22FC/23RD 2006-08-04 www.freeservicemanuals.info...

This manual is also suitable for:

Lcd-b1506Lcd-d1506Lcd-c1506

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