Kenwood LZ-651W Service Manual
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Kenwood LZ-651W Service Manual

Kenwood LZ-651W Service Manual

6.5-inch wide tft color monitor
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See also: Instruction Manual
6.5-inch WIDE TFT COLOR MONITOR
LZ-651W

SERVICE MANUAL

Panel
(A64-3137-08)
Liquid crystal
(B38-1129-05)
TV stand assy
(W01-1621-05)
Clamper assy
(J11-0647-05)
Dressing panel
(A21-4313-08)
DC cord
(E30-3235-08)
Remote controller assy
KNA-RC300 (A70-2047-05)
© 2003-5 PRINTED IN JAPAN
B53-0060-00 ( N ) 3100
Not supplied
(SIZE : AAA)

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Summary of Contents for Kenwood LZ-651W

  • Page 1: Service Manual

    6.5-inch WIDE TFT COLOR MONITOR LZ-651W SERVICE MANUAL © 2003-5 PRINTED IN JAPAN B53-0060-00 ( N ) 3100 Panel (A64-3137-08) Dressing panel Liquid crystal (A21-4313-08) (B38-1129-05) DC cord TV stand assy (E30-3235-08) (W01-1621-05) Remote controller assy Clamper assy Not supplied...

  • Page 2: Block Diagram

    LZ-651W BLOCK DIAGRAM MAIN UNIT (X09-716) A-IN V-IN IC401 IC402 IC405 ISO AMP POWER AMP ANALOG A-IN NAVI L,NAVI R T. FILTER VOL/MUTE TFT LCD Q508 V-IN SYNC to NAVI L.P.F. NAVI L IC502 Q509 IC506,Q515,516 NAVI R Q512 VCOM DRIVER...

  • Page 3: Components Description

    LZ-651W COMPONENTS DESCRIPTION MAIN UNIT (X09-7161-00/7162-00) Ref No. Parts No. Specification / Function Switching power supply control IC (Main system and the power supply for inverters are IC101 FA7703V controlled. It has the regulator of 2.2V in an inside.) Remote control IC (In response to the infrared signal from remote control data is...

  • Page 4: Microcomputer's Terminal Description

    LZ-651W COMPONENTS DESCRIPTION Ref No. Parts No. Specification / Function Q506 2SC2413K VCO circuit (23.979MHz for NTSC) Q507 2SC4081 Impedance conversion Q508 2SC4081 Buffer amp for synchronize signal Q509 2SC4081 Croma trap selector (PAL : L, NTSC : H) Q510...
  • Page 5 LZ-651W MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No Pin Name Function (Pin condition) OSD_BLK The blanking signal output for OSD (H : Displaying for OSD, L : Non-displaying for OSD) Horizontal synchronized signal input (for OSD) Vertical synchronized signal input (for OSD)

  • Page 6: Test Mode

    LZ-651W TEST MODE 1 How to entered to TEST mode 4-2 Basic operation At the time of NAVI screen or AV IN screen, key is pushed in The “DIRECT” key is pushed for time of NAVI screen or AV-IN order of the following by remote control unit.
  • Page 7 LZ-651W TEST MODE The key ( “↑”, “↓” ) of remote control is pushed and an adjust- 4-4 Change in the wide mode for display ment value is changed the whole STEP. During adjustment of each item in adjustment mode, push on the MODE key changes the wide mode for display.
  • Page 8 LZ-651W TEST MODE A setup at the time of factory shipments condition is written in 7 E2PROM clearance 2 (initialization of video parameter) by “ENTER” key, and “Complete” is displayed. When an unjust value is written in E2P ROM and abnormali- If it pushes except the “ENTER”...
  • Page 9 LZ-651W ADJUSTMENT No. Adjustment item Measurement point Adjustment part Adjustment value Measuring instrument Adjust the amplitude value so that the waveform between CONTRAST TP204 (G OUT) TEST mode CH13 Oscilloscope the white to the negative white is 2.7V ± 0.1V...
  • Page 10 LZ-651W PC BOARD (COMPONENT SIDE VIEW) MAIN UNIT X09-716x-xx A/2 (ZJ74-0001-02) D102 C155 R162 R165 R155 D117 Q105 IC101 X09 B/2 Q115 Q116 D509 AV INPUT R111 C111 D103 R156 C150 CN202 C104 WH201 L104 L106 C125 C121 R176 R118...
  • Page 11 LZ-651W PC BOARD (FOIL SIDE VIEW) MAIN UNIT X09-716x-xx A/2 (ZJ74-0001-02) R101 C154 Q114 R112 C118 C102 R209 C110 R172 R108 R207 R103 C149 X09 B/2 R106 R146 R148 C202 C115 R208 R206 R710 R201 TP804 TP817 TP811 TP807 TP806...
  • Page 12 LZ-651W INPUT TERMINAL MAIN UNIT (X09-716x-xx) (A/2) CN201 TP812 TP808 TP813 R119 TP108 TP831 F102 0.5A Q107 Q118 Q108 D104 TP809 TP814 D115 L104 R156 100 1/2W TP802 D105 +13V TP101 R125 SWITCHING AVR CONTROL IC101 R107 C157 1.0V 2.2V Q105 +7.5V...
  • Page 13 LZ-651W VR501 PICTURE 4.8V POSITION ADJ C708 TP305 Q702 4.8V 4.7V VR501 100K IL566 C521 C709 10u10 3900P R538 CVOP 60Hz 60Hz C553 TP836 TP303 4.8V TP101 TP824 TST1 IL585 R547 100P 15.7kHz W191 C522 15.7kHz TEST R546 TST2 FRPT 4.7V...
  • Page 14 LZ-651W ∗ C588 (E) TYPE ONLY ∗ IL553 Q509 ∗ IL554 R720 1H DELAY LINE X502 IC501 4.43619MHz C503 IL504 4.9V 1.3V RYIN X501 3.579545MHz C504 1.7V NC15 IL505 C521 1.3V BYIN 10u10 GND2 C505 2.7V 1.2V NC13 IL506 3.0V BYOUT 1.9V...
  • Page 15 LZ-651W 2SA1576A 2SD1766 2SC2413K TP601 TP839 R595 CN501 TP840 OPEN TP603 TP841 MODE2 TP604 TP842 MODE1 TP605 TP843 2SC4081 DTA124EUA TP606 TP844 TP607 TP845 DTA143EUA TP608 TP846 DTC124EUA TP850 OPEN OPEN TP847 TP609 OPEN TP832 TP848 TP610 OPEN TP623 TP849 TP611...

  • Page 16: Exploded View

    LZ-651W EXPLODED VIEW LCD1 φ2.6x6 (BLK) N09-4142-05 φ2x6 N82-2006-46 φ2x8 (BLK) N82-2008-45 (X09- 1/2) (X09- 2/2) Parts with the exploded numbers larger than 700 are not supplied.

  • Page 17: Parts List

    LZ-651W PARTS LIST New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No. Parts No. Description Ref. No.
  • Page 18 LZ-651W PARTS LIST New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. MAIN UNIT (X09-7161-00/7162-00) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No. Parts No.
  • Page 19 LZ-651W PARTS LIST New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. MAIN UNIT (X09-7161-00/7162-00) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No. Parts No.
  • Page 20 LZ-651W PARTS LIST New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. MAIN UNIT (X09-7161-00/7162-00) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No. Parts No.
  • Page 21 LZ-651W PARTS LIST New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. MAIN UNIT (X09-7161-00/7162-00) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No. Parts No.

  • Page 22: Specifications

    KENWOOD ELECTRONICS GULF FZE KENWOOD ELECTRONICS UK LIMITED P.O. Box 61318, Jebel Ali, Dubai, U.A.E. Kenwood House, Dwight Road, Watford, Herts, WD18 9EB, United Kingdom KENWOOD ELECTRONICS (THAILAND) CO., LTD. KENWOOD ELECTRONICS DEUTSCHLAND GMBH 2019 New Pechburi Road, Bangkapi, Huaykwang, Bangkok, 10320 Thailand Rembrücker-Str.

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