Schematic Diagram-1/5 (Main) - Aiwa XR-EM30 Service Manual

SCHEMATIC DIAGRAM -1/5 (MAIN)
Q Q
3 7 6 3 1 5 1 5 0
MAIN C.B
T E
L 1 3 9 4 2 2 9 6 5 1 3
Q304~308
REC/PLAY
SWITCH
RPH
L451
REC BIAS ADJ
EX
HEAD C.B
w w w
TO TUNER C.B CN991
FUNCTION
L
G
R
REG
x a o
y
. i
Q450,451
Q453,454
BIAS SWITCH
BIAS OSC
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TO CD MECHANISM
MUTE
MUTE
Q Q
3 7 6
MUTE SW
IC601
Q106
HOLD
Q107,108
AC DET
Q103,104
+VCC REG
u 1 6 3
PN001
-22-
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8 9 2 4 9
Q211~214
POER AMP
Q201~210
Q219~226
Q215,216
PRE AMP DC DET
3 1 5 1 5 0 8 9
Q102,111,112
+OM REG
m
NOTE:
c o
RXXX
SIGNAL:
.
PB
REC
8 2 9 9
PHONES
SPEAKER
SPEAKERS
IMP: 6Ω
SUB
WOOFER
2 4 9 8 2 9 9
Q217,218
OVER VOLTAGE
DET