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Kenwood X-VH7 Service Manual
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Kenwood X-VH7 Service Manual

Kenwood X-VH7 Service Manual

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Download this manual See also: Instruction Manual
STEREO AUTO REVERSE CASSETTE DECK
X-VH7
QQ
3 7 63 1515 0
SERVICE MANUAL
(VH-700)
Knob (EJECT)
660
(K29-7554-04)
eject
TE
L 13942296513
Side plate
609
(A50-1326-02)
AC cord *
633
www
(E30-)
.
Refer to X-E9 and X-SA7 service manuals (B51-4926-00/B51-5214-00),
if you require in detail.
Dressing panel
Panel
605
(A21-3764-02)
(A29-1052-14)
auto reverse cassette deck X-VH7
tape loading mechanism
recording
standby
rev.mode
Dolby NR
Dressing panel
606
(A21-3765-03)
ACcord bushing
654
(J42-0083-05)
x
ao
u163
y
i
2 9
8
Panel
607
610
(A60-1648-01)
B-type
Q Q
3
6 7
1 3
1 5
Dressing panel
Front glass
604
616
(A21-3758-02)
(B10-3488-03)
SYSTEM
CONNECTOR
Rectangular receptacle
J2
(E08-0311-05)
co
* Refer to parts list on page 13.
.
9 4
2 8
© 1999-5/B51-5532-00 (K/K) 3632
Insulator assy
646
(J02-1444-04)
function indicator
Dolby NR
direction
C-type
reverse
forward
rev.mode
crls
pause
0 5
8
2 9
9 4
2 8
Knob (POWER) *
661
(K29-)
Side plate
608
(A50-1327-02)
REC IN
REC OUT
L
R
Phono jack
J3
m
(E63-0136-15)
9 9
9 9
70%

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Summary of Contents for Kenwood X-VH7

  • Page 1 SERVICE MANUAL (VH-700) © 1999-5/B51-5532-00 (K/K) 3632 Knob (EJECT) Dressing panel Panel Panel Insulator assy (K29-7554-04) (A21-3764-02) (A29-1052-14) (A60-1648-01) (J02-1444-04) auto reverse cassette deck X-VH7 eject tape loading mechanism function indicator recording Dolby NR direction B-type C-type reverse forward standby rev.mode...

  • Page 2: Table Of Contents

    X-VH7 3 7 63 1515 0 CONTENTS / ACCESSORIES Contents CONTENTS / ACCESSORIES ........2 SCHEMATIC DIAGRAM ..........9 DISASSEMBLY FOR REPAIR........2 EXPLODED VIEW ............12 CIRCUIT DESCRIPTION ..........3 PARTS LIST..............13 ADJUSTMENT ............6 SPECIFICATIONS ........Back cover PC BOARD ..............7 Accessories...

  • Page 3: Circuit Description

    X-VH7 3 7 63 1515 0 CIRCUIT DESCRIPTION 1. Deck Microprocessor : CXP 84124-150 (X28 : IC1) 1-1 Features 3) Dolby NR B/C 1) Single loading cassette deck. 4) One touch edit.(only remocon) 2) Equipped with DPSS. UP search, DOWN search, 1 tune 5) CRLS repeat, RWD play, dash and play, REREC standby.
  • Page 4 X-VH7 3 7 63 1515 0 CIRCUIT DESCRIPTION 1-4 Pin description Name Connect Description S.BUSY OPEN Serial communication BUSY signal H: BUSY L: READY — OPEN No used KS0,1,3,2 KEY SCAN 0,1,3,2 14~16 KR2,0,1 KEY RETURN 2,0,1 — OPEN No used...
  • Page 5 X-VH7 3 7 63 1515 0 CIRCUIT DESCRIPTION 2. DEFAULT STATES 2-1 Main unit default states ITEM STATE 3-5 Set inspection test mode POWER 3-5-1 REC/PB inspection DOLBY Press the REC key: 1REC(4sec.)î 2REVERSE(4sec.) î 3Start PLAY automatically. PLAY But press the REC key with recording again, the record- REC MUTE ing time be extended for 4 sec per one press.

  • Page 6: Adjustment

    X-VH7 3 7 63 1515 0 ADJUSTMENT CASSETTE DECK INPUT OUTPUT CASSETTE DECK ITEM ALIGNMENT ALIGN FOR FIG. SETTINGS SETTINGS SETTINGS Unless otherwise specified, set the respective switches as follows: TAPE: NORMAL DOLBY: OFF INPUT: REC IN OUTPUT: PLAY OUT 0dBm=0.775V...

  • Page 7: Pc Board

    PC BOARD (Component side view) PLAY 3 7 6 3 1 5 1 5 0 SYSTEM CONTROL X28-2990-00 A/5 (J70-1310-01) R135 R136 PB Lch C213 R102 X28 B/5 R101 C103 C149 C150 R138 R105 R134 R209 C109 C135 C211 W107 R111 C129 C203...
  • Page 8 (X28-2990-00) (B/5) (X28-2990-00) (A/5) PLAY,STOP :0.3V Q26,27 REC NOR :6.9V 13.0V REC,NOR :7.2V C105 R209 R215 C217 MECHANISM ASS'Y D40-1636-05 HI :10.0V HI,METAL :10.5V 4.7u35 1.5K 220K 220P BIAS OSC CONT METAL :10.0V PB/L C213 3 7 6 3 1 5 1 5 0 R REC 4.7u35 R/P/E HEAD (PCB)
  • Page 9 6.8K 4.8V 13.3V 4.7K 1/4W IN OUT u163 4.7K 1/4W 4.8V 1u50 5.1V 0.01 X-VH7 X-VH7 DOLBY and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. Noise reduction circuit made under license from Dolby Laboratories Licensing Corporation. Y26-4420-11...
  • Page 10 X28 (C/5) X28 (E/5) ON/STANDBY L 1 3 9 4 2 2 9 6 5 1 3 ø3x6(BLK) : N09-1445-05 ø2x8 : N82-2608-46 ø3x8 : N86-3006-46 ø3x6 : N89-3006-46 ø3x8(BLK) : N89-3008-45 ø3x6(BLK) : N95-3006-45 X-VH7 u 1 6 3...
  • Page 11 Ref. No Parts No. Description Ref. No Parts No. Description ress Parts nation marks ress Parts nation marks X-VH7 L07-2731-05 POWER TRANSFORMER L07-2733-05 POWER TRANSFORMER A01-3696-01 METALLIC CABINET,TOP A01-3698-01 METALLIC CABINET,BOTTOM W01-0084-05 HEXAGON WRENCH KEY A21-3758-02 DRESSING PANEL BOTTOM REC/PLAY (X28-2990-11)
  • Page 12 3 7 6 3 1 5 1 5 0 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 13 3 7 6 3 1 5 1 5 0 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.

  • Page 14: Parts List

    Input sensitivity / Impedence Line (REC) ............. 77.5 mV/47 kΩ Output level / Impedence Line (PLAY) ............ 775 mV/10 kΩ KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. Notes Notes ÷...