Pioneer KEX-900 Service Manual page 17

Centrate component car stereo equalizer/cassette deck
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e@ +B Bicok Diagram (KEX-900)
ole
TUNER
[QO © O
Ae ae @
BACK UP
DRIVER UNIT
(CWW1032)
CONTROL UNIT
DOLBY NR P.C.BOARD
7.9V
6
O
F
M51522AL
PRE AMP UNIT
4 => G= [0/01], 4—> Gi-)|e/e)
G.E. P.C.BOARD
FRONT
BSS
OUTPUT
6
< ACC +B
a
1
REAR
OUTPUT
BT +B
VDD
TAPE POWER
5
IC703
1
M51S54AL.
DECK CONTROLLER
DISPLAY UNIT
SYSTEM CONTROLLER
ic901
PD4091
bes
FL TUBE
18
BACK UP )>—~VU —_{ 1) BACK UP
+B
(A P1
1 sot}
DOOR
SOLENOID
O
P2
Ic 71
»PD4538B8G
LOGIC UNIT
19
|
|
|
| )
2

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