Pioneer KEX-900 Service Manual page 27

® KEX-900
MAGNETIC
RESISTIVE DEVICE
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HEAD
MOTOR
C)
GEAR
MOTOR
CAPSTAN (v3)
MOTOR
DRIVER UNIT (CWW1032)
PA3019
DRIVER
So) PLAY
DECK
BACK UP +B >
7Op
DECK
1¢701
PD3069B
CONTROLLER
© VDD 5.5V
KST1
KST 2
KST 3
KST 4
DR OPEN
PRE AMP UNIT (CWW1033)
ELECTRONIC VOLUME
Ic602
TC9I177P
CK OT ST
ELECTRONIC
GRAPHIC EQUALIZER
C651
KHA212
CK DATA ST
iSOLATOR AMP
FP L
6
ay (T)
Cy) CST IN
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Sy, Vl
il EJ C 70S
30
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i
1 sc
4
15 ab a ran
a9, ay, OP,
IC901
SDK (SDK/WG)
PD4091
ta
VOL-U
CLOCK (ES)
K2
VACANT (EW)
SYSTEM
CONTROLLER
2
vot-p | 5
7 'ab Ci' {iN
K3 ay, Na, an,
nN
12
§ 1 acc "
VDD+B ACC+B
—— WW
ec
Q726
Q731
SD
eo) o
GE/
LK SA
vy,
FUNCTION
ACC +B =>
BACK UP +B
1 Q727
Q728
EJECT/
KOPEN | Q711 |
vy,
DOOR
SWITCH
@ BACK UP +8
Q724
———__—4
eee
Fig. 15
31