Kenwood KR 1070 VR Service Manual

Page 1

filfiliélififlétw KENWOOD

1060VR/107OVR

S E RV I C E MAN UAL ©1997-6/851-5322-00 (K/K) 3145

KENWOOD badge ,
(B43 _0302_04) Front glass Knob
(810-) (K29-6247-O4)
Knob(BUTTON) *

(K27-2176-O4)

{Kjgnygchég mummw J

159mm-

Phone jack Knob Panel Phone jack

(E11-0272-05) (K29-) (A60-) (1263-1 002-05)
Phono jack Slide switch
(E63-0111-05) (831-2132-05)
Slide SWilCh Phono jack Phono (ask Miniature phone jack Metallic cabinet AC power cord
(862-0034-05) (E63-1005-05) (E63-0163-05) (E11-0293-05) (A01 6269-1 1) (1230-)

Aux.sn<.mrur 5mm (mum

Lock terminal board Phono jack Phono jack Lock terminal board AC outlet

(E7o-0052-05) (E63-O141-15) (E63-0135-15) (E70-0065-05) (E03-)
Phono jack Screw terminal board Power cord bushing
(E63-0139-15) (E70-OO49-05) (J42-0083-05)

Illustration is 1070VR.
* Refer to parts list on page 36.

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J COVER(1P" 97.6.22 4:02 PM [I a I] 2
1060VR/1070VR/KR-V8090/KR-V9090

%

CONTENTS / ACCESSORIES

Contents

CONTENTS / ACCESSORIES .................................... 2 WIRING DIAGRAM .................................................... 17

CONTROLS ............................. 3 PC BOARD .......................

DISASSEMBLY FOR REPAIR. 5 SCHEMATIC DIAGRAM

BLOCK DIAGRAM ................... ...6 EXPLODED VIEW ............

CIRCUIT DESCRIPTION ...7 PARTS LIST ............

ADJUSTMENT ................... ,16 SPECIFICATIONS ..

Accessories

f \
FM indoor antenna ........ (1) "AM loop antenna __________ (1) 77777777777777777777 r Remote control unit ...... (1)

(T90-O810-05) (T90-0820-05)

(DEM-999D)

RF DEMODULATOR.....(1)

Q

M,C,T type only

(A70-1118-05): RC-R0805

Loop antenna stand (1)
(J19-3645-05)

Battery cover(A09-O366-08)

AC adapter .................... (1)
(E03-0115-05)

4
i"
M type only

An use model discrepancy table in of remote controller

Remote controller Model name Destination Battery cover
Parts number Type name
A70-1115-05 RC-R0805 1070VR All destinations
KR-V9090
A70-1117-05 RC-R0605 1060VR All destinations 90366438
KR-V8090 C
A70-1118-05 RC-R0606 KR-V8090 T,E,Q

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1060VR/1070VR/KR-V8090/KR-V9090

DISASSEMBLY FOR REPAIR

The method that exchanges a power transistor.

1.
2.

Remove 10 screws (0 and 9) of rear panels.

Remove flat cable from connector (CN851 and CN852) of
printed circuit board X08 (A/3) . And, remove one screw
(6). After this, move printed circuit board X08 (A/3)
toward the right.

Remove one screws (0) of printed circuit board X08
(8/3). After this, move printed circuit board X08 (8/3)
toward the right.

1) Cut certain 4 convenes with nippers etc. on the left side
of the power supply transformer.

2) Remove one screws (6) of printed circuit board X14
(0/5). And, remove a headphone unit.

3) Remove 4 screws (0) of printed circuit board X09.

- Make printed circuit board X08 (N3 and B/3) in
original condition, after screw (0) is removed. And,
remove screw (0 and 9) and FFC.

Remove 2 screws (0) of both sides of a panel.

Set up a receiver, so that the left side of a receiver
becomes downward. And, remove 4 screws (9). Turn
over a receiver like a figure after this.

Remove 5 screws (0) on the side of under of a panel.
Next, remove 2 screws of radiators on the side of a base.
And, remove a base plate to the back side (arrow
direction).

Remove the solder of a power transistor from FOIL side of
printed circuit board X09. And, exchange a power
transistor.