Pioneer KEX-900 Service Manual page 18

4 => Gi-/8/ 0714 —> Gia] ae
® +B Block Diagram (KEX-500)
CONTROL P.C.BOARD
AUDIO P.C.BOARD
VOLUME UNIT (CWM1182)
IC301 IC601 Ic602 IC603
TUNER
NR8BI10 TA75558S TC9177P p#PC4570HA
Q851
0029 PRE AMP UNIT
WO~O (CWW1033)
LJ
BACK UP led
DIB O
AUX +B OO)
6 LJ
ACC +B
J BT +B ie OUTPUT
Q2
©
Ty) 6BACK UP +B
BACK UP
5.6V
VDD
DRIVER
UNIT
(CWW1032) IC703
M51954AL
SOLENOID
(DOOR)
PD3069B
DECK CONTROLLER
DISPLAY UNIT
SYSTEM CONTROLLER
Ic901
PD4091
FL TUBE
Fig. &