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Kenwood LZ-701W Service Manual

7.0-inch wide color lcd monitor
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7.0-inch WIDE COLOR LCD MONITOR
LZ-701W
SERVICE MANUAL
Case assy
(A01-2789-08)
DC cord
(E30-6038-08)
Panel assy
Display module assy
(A64-2638-08)
(W02-3322-08)
Cord with plug
(E30-6037-08)
2001-6 PRINTED IN JAPAN
B51-7821-00 ( N ) 3393
7.0-inch WIDE COLOR LCD MONITOR
Stand assy
(W01-1508-05)
Screw
(N46-4016-45) x2

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Summary of Contents for Kenwood LZ-701W

  • Page 1 7.0-inch WIDE COLOR LCD MONITOR LZ-701W SERVICE MANUAL 2001-6 PRINTED IN JAPAN B51-7821-00 ( N ) 3393 Panel assy Display module assy (A64-2638-08) (W02-3322-08) 7.0-inch WIDE COLOR LCD MONITOR Case assy Stand assy (A01-2789-08) (W01-1508-05) DC cord Cord with plug...

  • Page 3: Terminal Description

    LZ-701W TERMINAL DESCRIPTION OSD Microcomputer (M37212EFFP : IC101) Pin Functions Port name Signal name Function P-U, P-D – – – – – – – – – – – – SCRN "SCRN" key input. ACT "L". PULL UP ">" key input. ACT "L".
  • Page 4 LZ-701W TERMINAL DESCRIPTION Pin Functions Port name Signal name Function P-U, P-D – – – – – – – – – – – – – – – Not use. A-D2 DIMIN Dimmer sensor input. High voltage (Bright) - Low voltage (Dimmed).

  • Page 5: Circuit Description

    LZ-701W TEST MODE / CIRCUIT DESCRIPTION Test Mode and Initialization position. Q007 is turned ON to supply the +5 V power While holding the [SCRN] and [>] keys, reset (switch to the chroma block. on the power supply to) the system to initialize it and enter the test mode.
  • Page 6 LZ-701W ADJUSTMENT Adjustment Conditions Chroma Contrast Adjustment Connect TP001 and TP002 to the 14.4 V power and Observe TP201 in sync mode. Adjust SVR201 so that the peak-to-peak voltage is 0.95 V ± 0.05 V. connect TP003 and TP004 to GND. Apply a black-and- white 10-step wave (1.0 Vp-p) from the composite sig-...
  • Page 7 LZ-701W ADJUSTMENT Common Electrode Drive Signal Level Adjustment Horizontal Line Adjustment in Vertical Expansion *After leaving the system in a 40 C thermostatic Mode oven for more than an hour, perform the following *After completing the common electrode drive sig- adjustments inside the thermostat oven.

  • Page 8: Pc Board View

    R705 IC702 B.S SW Q703 Foil side Component side Foil side view 100% BLACK LZ-701W Component side view 100% BLACK ACC IN R901 Q903 R912 ACC OUT Refer to the schematic diagram for the values of resistors and capacitors. B.U SW...
  • Page 9 PC BOARD (COMPONENT SIDE VIEW) MAIN Address C252 C009 C010 C014 Q403 Address IC202 C251 C017 X201 BR202 Q402 R017 IC205 IC002 C234 C020 Q001 L004 Q008 C021 C022 C226 C203 C407 C201 C007 R012 R011 R004 R013 C025 IC204 X202 X203 F001...
  • Page 10 PC BOARD (FOIL SIDE VIEW) MAIN Address C209 C208 C016 T402 DZ003 C008 R209 C206 C205 R208 R009 CS401 C018 Q202 DZ301 C232 R206 D003 IC201 R006 L003 R003 C006 BR201 C228 T401 C333 C227 R220 R348 IC003 R228 R225 C023 C240 R204...
  • Page 11 2SA1576A 02CZ16 MAIN 2SB709A 02CZ5.1-X 2SB709A-R 02CZ6.2-X 2SC2412K-R 02CZ8.2-Y 02CZ9.1-X +14V VCOM BR106 5.3V 5.9V BR108 Q701 Q702 R706 13.6V 2SC4081 TC7S32FU 4.7V REGULATOR R707 TC75S51F IC001 R002 5.6K BR101 4.9V 13.6V 5.3V 13.6V MC DATA +14V C005 10u16 IC701 BR104 PARK RGB/V...
  • Page 12 BASE BAND R231 DELAY LINE V. GND 4.7V 4.7K IC901 VIDEO 0.6V Q902 R912 5.1V 13.8V R914 4.7K Q903 4.1V 13.0V R911 5.0V CS901 100K PARK +7.5V +7.5V +7.5V 13.8V F901 +14V +14V +14V L901 VA901 +14V +14V LZ-701W LZ-701W...

  • Page 13: Exploded View

    LZ-701W EXPLODED VIEW φ2.6x6 (BLK) : N09-4142-05 φ4x16 (BLK) : N46-4016-45 φ1.7x5 : N79-1750-46 LCD1 φ3x6 (BLK) : N80-3006-45 φ2x6 (BLK) : N82-2006-45 φ2.6x4 (BLK) : N84-2604-45 MAIN PCB BOX PCB LZ-701W Parts with the exploded numbers larger than 700 are not supplied.

  • Page 14: Parts List

    LZ-701W 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 15 LZ-701W 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 Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No. Parts No. Description Ref.
  • Page 16 LZ-701W 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 Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No. Parts No. Description Ref.
  • Page 17 LZ-701W 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: 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, WD1 8EB 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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