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Kenwood KVT-M700 Service Manual
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Kenwood KVT-M700 Service Manual

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Download this manual See also: Instruction Manual
LCD RECEIVER
KVT-M700

SERVICE MANUAL

(K : For North America)
(M : For Other Areas)
© 2002-1 PRINTED IN KOREA
B51-7885-00 (K) 3397
(E : For Europe)
The following reference numbers
with accessory parts are the same reference
numbers used on EXPLODED VIEW
and PARTS LIST.
DC14
321
322
DC11
320
x2
DC12
DC13
318
319
x2
303
246
824
217
323
213
251
x2
305
x2
317
216

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Summary of Contents for Kenwood KVT-M700

  • Page 1: Service Manual

    LCD RECEIVER KVT-M700 SERVICE MANUAL © 2002-1 PRINTED IN KOREA B51-7885-00 (K) 3397 (K : For North America) (E : For Europe) (M : For Other Areas) The following reference numbers with accessory parts are the same reference numbers used on EXPLODED VIEW and PARTS LIST.
  • Page 2 AM (K) 230mV AUX OUT L CD L MUTE IC2- AM (E,M) 230mV AUX OUT R AC OUT L AUX IN L E-VOL AC OUT R AUX IN R IC8, 10,12 AMPLIFIER 4.5V 3 PRE OUT KVT-M700(1/2) (E,K,M) NON-FAD REAR FRONT...
  • Page 3 AN2546FH-A IC202 +5.3V +5.0V FLIP FLOP -9.3V IC201 IC20 +5.0V IC301 to BAT A. DIM OPEN A. DIMMER -10.9V u-COM PARK PARK u-COM B.U. DET KEY1 KEY1 ILLUMI REMO INVERTER BL +9.0V (X14- ) (B/2) 20MHz KVT-M700 (2/2) (E,K,M)

  • Page 4: Component Description

    KVT-M700 COMPONENT DESCRIPTION VIDEO CONTROL UNIT (X14-692x-xx) REF. FUNCTION OPERATION DC/DC CONVERTER CONTROLLER Controls DC/DC converter. IC3,4 MOTOR DRIVER Drives TV mechanism motor. IC101 ISOLATION AMPLIFIER Isolates TV input audio signal. IC102 ISOLATION AMPLIFIER Isolates AV IN1 input audio signal.
  • Page 5 KVT-M700 COMPONENT DESCRIPTION VIDEO CONTROL UNIT (X14-692x-xx) REF. FUNCTION OPERATION Q504 RED/GREEN SW Switches red and green LED. Q505 RED/GREEN SW Turns on green LED. Q506 RED/GREEN SW Turns on red LED. Q507 GREEN LED SW Turns on or off green LED.
  • Page 6 KVT-M700 COMPONENT DESCRIPTION ELECTRIC UNIT (X25-926x-xx) REF. FUNCTION OPERATION EXT.CON SW Switches extra control. RESET SW Switches reset. Q19-21 DIFFERENTIAL STABILISER Stabilises difference. ACC DETECTOR Detects ACC. Q23-25 DIFFERENTIAL STABILISER Stabilises difference. MUTE SW Switches mute for Rch PRE OUT.
  • Page 7 KVT-M700 COMPONENT DESCRIPTION VIDEO UNIT (X35-423x-xx) REF. FUNCTION OPERATION IC701 VIDEO SIGNAL PROCESSOR Decodes chroma, controls gamma. IC702 1H DELAY LINE For PAL chroma 1h delay. IC703 3.0V AVR Regulates 3.0V. Q10-14 TOUCH-PANEL CONTROL SW CONTROL SW for touch-panel. Q200 Oscillates PLL.

  • Page 8: Microcomputer's Terminal Description

    KVT-M700 MICROCOMPUTER'S TERMINAL DESCRIPTION (X25-) IC9 : SYSTEM u-COM PORT PORT NAME FUNCTION OPERATING CONDITION CH-DATA-H Changer data to head unit. CH-CLK I/O Changer clock data. AFS. "L" : AF searching / FM seeking. "H" : Receiving. I/O Front-end data.
  • Page 9 KVT-M700 MICROCOMPUTER'S TERMINAL DESCRIPTION (X25-) IC9 : SYSTEM u-COM PORT PORT NAME FUNCTION OPERATING CONDITION M-CON O Monitor control. "H" : Control on. "L" : Control off. 52-54 - - Bus interface power supply. B-VDD - Bus interface GND. B-VSS 57-64 - O Request to the 5-line.
  • Page 10 KVT-M700 MICROCOMPUTER'S TERMINAL DESCRIPTION (X14-) IC301 : PANEL u-COM PORT PORT NAME FUNCTION OPERATING CONDITION M-DATA-C O Unit - Receiver box data. M-CLK O Receiver box - Unit clock. OSD-CS O On-Screen Display chip selector. OSD-DO O On-Screen Display data.
  • Page 11 KVT-M700 MICROCOMPUTER'S TERMINAL DESCRIPTION (X14-) IC301 : PANEL u-COM PORT PORT NAME FUNCTION OPERATING CONDITION LED-R Red SRC key illumination. "H" : Illumination on. "L" : Illumination off. LED-G Green SRC key illumination. "H" : Illumination on. "L" : Illumination off.
  • Page 12 KVT-M700 ADJUSTMENT Unit Adjustment Item Adjustment Method, Adjustment Value Condition 1. Adjustment of First, reset by pressing both VOLDW and SRC keys at the same time and boot up the · Adjustment pin (with Touch Panel system in Test Mode.
  • Page 13 KVT-M700 ADJUSTMENT Item Adjustment Method, Adjustment Value Condition 3. Mechanism First, reset by pressing both VOLDW and SRC keys at the same time and boot up the · Test Mode Adjustment system in Test Mode. Display Setup screen with the FUN key, and press ADJ key for making adjustment.
  • Page 14 KVT-M700 ADJUSTMENT 2. X25 Circuit Adjustment Specification (E : For European Markets) Item Adjustment method / Adjustment value Conditions 1. Diversity video detection 1. Input RF signal 70dBµ 9CH stair step into the ANT input terminal. ･ PAL B/G coil adjustment 2.
  • Page 15 PC BOARD (Component side view) X14 B/2 OPEN S506 S505 WH501 OL DOWN SEEK UP VIDEO CONTROL UNIT OL UP SEEK DOWN IC501 D510 X14 B/2 D507 S503 Ref. No. Address RESET S508 S504 IC501 S501 VIDEO CONTROL UNIT X14-692x-xx A/2 (J74-1334-12) VIDEO CONTROL UNIT X14-692X-XX R329...
  • Page 16 PC BOARD(Foil side view) VIDEO CONTROL UNIT X14(B/2) X14 B/2 Ref. No. Address Q501 Q501 Q502 R503 R509 R504 R502 Q503 Q507 R514 R506 R512 R516 R511 R501 Q504 Q503 C501 C504 R515 R510 R505 R513 Q505 R507 Q506 Q506 Q502 Q507 VIDEO CONTROL UNIT X14-692x-xx A/2 (J74-1334-12)
  • Page 17 PC BOARD(Component side view) ELECTRIC UNIT X25-926x-xx A/2 (J74-1335-12) X25 B/2 C131 R154 R152 13 11 7 IC14 IC17 10 6 IC18 R157 R143 C154 R142 C145 C106 R112 R114 R113 R180 IC15 R181 IC16 R148 R108 C121 C103 C100 IC13 IC11 C155...
  • Page 18 PC BOARD (Foil side view) ELECTRIC UNIT X25-926X-XX Ref. No. Address Ref. No. Address ELECTRIC UNIT X25-926x-xx A/2 (J74-1335-12) R155 R153 X25 B/2 C101 C134 C152 C153 Refer to the schematic diagram for the value of resistors and capacitors.
  • Page 19 PC BOARD (Component side view) VIDEO UNIT X35-423x-xx A/2 (J74-1333-12) VIDEO UNIT X35-423X-XX Ref. No. Address L600 L602 IC200 F600 Q604 1.5A IC201 C600 IC202 IC301 Q600 Q602 IC400 IC401 IC402 IC403 Q603 L601 IC500 IC501 R520 R516 R521 IC700 R514 IC702 R517...
  • Page 20 PC BOARD(Foil side view) VIDEO UNIT X35-423x-xx A/2 (J74-1333-12) VIDEO UNIT X35-423x-xx (A/2) Ref. No. Address Q302 Q303 Q498 Q500 Q801 Q802 Q803 Q804 R510 Q500 C511 R509 C503 R519 R508 R507 R513 C501 R506 R505 R511 C507 C508 C506 R499 R710 C211...
  • Page 21 to TV TUNER PRK SW FUSE BATT. B.U. DC12 VIDEO CONTROL UNIT (X14-692x-xx) (A/2) (E30-6041-05) TP59 EX M+ C201 D201-206, R37, R201,203,205, W201 DESTINATION IC201 R359 R371 R372 373,391 EX M+ -207 -203 TP61 EX M- D309 EX M- E40-3260-05 TP63 D102 RI M+...
  • Page 22 DRIVER S504 returned to the cus- R513 Q103 Q104 tomer. CP301 Q506 Q505 S501 R503 DIGITAL LINE 1Kx4 5.6K SIGNAL LINE GND LINE RESET Q101-104 B LINE SEEK UP B LINE S502 Q504 Q504-506 RED/GREEN KVT-M700 KVT-M700 (E,K,M) (1/3)
  • Page 23 VIDEO UNIT (X35-423x-xx) (A/2) +13V +13V +13V +13V L202 +5.3V +5.3V +5.3V +5.3V 2.7uH C254 VR200 0.01 C241 12P VR200 100K SCREEN Q201 C255 POSITIONING CP202 10u10 C247 ADJUSTMENT 100x4 C248 C243 0.1 R801 2.7K R802 3.3K R803 5.6K R804 10K R805 27K L304 TV/NAVI SW...
  • Page 24 To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insu- L601 lated from the supply circuit) before the appliance is returned to the customer. CN600 4 GND L602 HOT2 HOT1 KVT-M700 KVT-M700 (E,K,M) (2/3)
  • Page 25 ELECTRIC UNIT (X25-926x-xx) (A/2) : TA8263BH IC8,10,12 : M5237ML Q27,29,31,32,34,36 OPERATION : ICL7660SIBA AUDIO MUTE AMPLIFIER : HD74HC02FP IC5,15,18 : M5280FP R124 R128 R129 10u16 : S-80842ANNP 10u16 : TDA7401 IC8,10,12,14,17 : NJM4565M-TE2 : UPD703033GC14D IC12 4.7K FRONT IC11 : TDA7407 IC13 : TC40528F(N) IC16...
  • Page 26 Q19-21,23-25 DIFFERENTIAL STABILISER DC/DC CONTROLLER 22uH +14V +14V +14V DC/DC SW +14V +14V CAP+ C25 2.2 CAP- V OUT MUTE C26 2.2 LOGIC +14V +14V +14V +14V +14V 8V AVR RESET 0.01 V IN V REF ∗ DETECTOR P.CON SW RESET SW B.U.
  • Page 27 NOISE DETECTION OP AMP. IC17 R144 C112 120P B IN+ A IN+ C110 R152 1000P 2.7K B IN- C111 220P C131 R149 C123 A IN- 10u16 470P B OUT C133 KVT-M700 0.022 FM+B A OUT C126 R163 KVT-M700 (E,K,M) (3/3)
  • Page 28 KVT-M700 EXPLODED VIEW(MECHANISM) N09-4397-08 N09-4489-08 N09-6008-08 2x2.5 N09-6009-08 N09-4305-08 N09-4376-08 N09-4164-08 N19-1135-08 N19-2131-08 N29-0207-04 M 2x4 N09-6018-04 KVT-M700 (1/3) MECHANISM Parts with exploded numbers larger than 700 are not supplied.
  • Page 29 KVT-M700 EXPLODED VIEW (HIDEAWAY: X90-) DC14 DC11 DC12 DC13 (X25-) (X25-) (X25-) (X25-) (X25-) (X25-) (X25-) (X25-) (X25-) (X25-) (X25-) Parts with exploded numbers larger than 700 are not supplied.

  • Page 30: Exploded View(Unit)

    KVT-M700 EXPLODED VIEW(UNIT) FPC1 LCD1 KVT-M700 (2/3) UNIT Parts with exploded numbers larger than 700 are not supplied.

  • Page 31: Parts List

    KVT-M700 PARTS LIST ✽ New Parts Parts without Part 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- Description Description Ref. No. Parts No.
  • Page 32 KVT-M700 PARTS LIST ✽ New Parts Parts without Part No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. (X14-692x-xx) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Description Description Ref. No. Parts No.
  • Page 33 KVT-M700 PARTS LIST ✽ New Parts Parts without Part No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. (X14-692x-xx) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Description Description Ref. No. Parts No.
  • Page 34 KVT-M700 PARTS LIST ✽ New Parts Parts without Part No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. (X25-926x-xx) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Description Description Ref. No. Parts No.
  • Page 35 KVT-M700 PARTS LIST ✽ New Parts Parts without Part No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. (X25-926x-xx) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Description Description Ref. No. Parts No.
  • Page 36 KVT-M700 PARTS LIST ✽ New Parts Parts without Part No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. (X25-926x-xx) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Description Description Ref. No. Parts No.
  • Page 37 KVT-M700 PARTS LIST ✽ New Parts Parts without Part No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. (X25-926x-xx) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Description Description Ref. No. Parts No.
  • Page 38 KVT-M700 PARTS LIST ✽ New Parts Parts without Part No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. (X35-423x-xx) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Description Description Ref. No. Parts No.
  • Page 39 KVT-M700 PARTS LIST ✽ New Parts Parts without Part No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. (X35-423x-xx) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Description Description Ref. No. Parts No.
  • Page 40 KVT-M700 PARTS LIST ✽ New Parts Parts without Part No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. (X35-423x-xx) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Description Description Ref. No. Parts No.
  • Page 41 KVT-M700 PARTS LIST ✽ New Parts Parts without Part No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. (D40-xxxx-xx) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Description Description Ref. No. Parts No.

  • Page 42: Specifications

    Hideaway unit weight 860g 860g 860g KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. KENWOOD CORPORATION 14-6, Dogenzaka 1-chome, Shibuya-ku, Tokyo, 150-8501 Japan KENWOOD SERVICE CORPORATION KENWOOD ELECTRONICS ITALIA S.p.A.