Kenwood KA 990 V Service Manual

Page 2

BLOCK LEVEL DIAGRAM/DISASSEMBLY FDR REPAIR

BLOCK LEVEL DIAG

MC 0.2mV
MM 25 mV

PHONO ©

(ll-5,161

RAM

'QAMP

GND

CD

ob
MC/MM

@1.
@

TUNER
SS

AUX

FRONT
AUX sq

2232382
I-REC

TAPE A
I-PLAY @

FRONT AUX

S2-u
SOURCE
/TAPE

5
MODE

S7
SUBSONIC
DIRECT

Sa-u
CD-

vnz
BASS

vm
TREBLE

INPUT SELECTOR

l-REC ©4-

TAPE B

OTHER CH

8

VHS
BALANCE

55

L

OUDNESS

TONE AMP

53-h
LI NE
STRAIGHT

(X55IOZO'03)

RELAY

SIO
SPEAKER

I-PLAY @

[-REC @-
TAPE c
I-PLAY

FRE

POWER
AMP

R1

I 1C3

LIMITER

PROTECTIO
RELAY
DRIVER

N

02:,2:

OUT

DISASSEMBLY FOR REPAIR

REPAIR ON THE REAR SIDE
For repair to the printed circuit board, etc. on the rear
panel side, remove the shield plate in the following sequen-

CE.

1. Remove nine shield plate fitting screws. ( o i
2. Loosen four screws of the remote switch shaft coupling
( o ) and remove the coupling from the extension

shaft.
8, Extract the shield plate

upward ( e ).

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WINKXNG
INDICATOR

@ SPEAKER A

fl

HEAD PHONE

SPEAKER B