Aiwa CSD-EX150 - Main Circuit Schematics

1817
SCHEMATIC DIAGRAM-1 (MAIN 1/2)
MAIN C. B (1/2)
R
R
R
R
R
R
RADIO
RADIO
V V
S301
QSOUND
AZIMU TH
ADJ.
ON
OFF
S410
FM MODE/OSC
STEREO
MONO
CD
CD
LED DRIVELED DRIVE
3-MODE
EQJALIZER
KEY R
C. B
KEY L C. B
TO/FROM MAIN C.B (2/2)
Q207, 206
TU B + SWITCH
Q409, 410
TAPE B + SWITCH
TAPE B + SWITCH
10k
CN420
TO/FROM CD C. B (2/2) CN640
SW420
REC
SW
Q420, 421
PB SWITCH
(1/2)
(2/2)
PB AMP
PB AMP
(2/2)
(2/2)
(1/2)
(1/2)
REC AMP
REC AMP
PN410
CN410
22k
4.7k
R
L
RPH
EH
56
56
Q406,407,408
REC SWITCH
Q430,431,432,433
BIAS SWITCH
BIAS OSC
6.8k
5.6
Q402,403 BIAS LEVEL SWITCH
L401,C404
AC BIAS
ADJ.
10k
10k
LED
DRIVER
Q226
SWITCH
8:
U HR, HC
TAPE MECHA BLOCK
S1
DECK
SW
M1
DECK
MOTOR
PN220
Q210,211
201
B + SWITCH
Q270,271
MOTOR
DRIVE/SWITCH
7.8V
REG
7.8V
REG
5.5V
REG
5.5V REG
Q222,223
AC IN DETECT
U
EXCEPT U
BATT C. B
POWER
C. B
4
BATT
R14 x 8
HR, HC MODEL
AC VOL TAGE
AC~
AC~
AC~
AC120V 60Hz
10V
REG
IC260
5.3V REG
IC303
AF
POWER
AMP
IC301
AUDIO SELECT/AMP
4.7k
4.7k
MUTE
MUTE
PN320
(L)
(R)
J301
U
IC302
Q-SOUND
EQ AMP
TO/FROM CD C.B (1/2) CN540
1N4148
D421
IN4148
D420
IN4148
R486
R485
C445 0.047µF
R492
5.6k
D493
1N4148
R491
5.6k
D492
D491
1N4148
D490
1N4148
R999 4.7k
C490 100P
C491 100P
10k
2SD1370
U
SIGNAL
: FM / PB
: AM / REC
2SA933S
87
81
82
83
84
87
2.2k
HZ7A3L
MOUNT
NO MOUNT
NO MOUNT
4.7k
HZ7B3L
NO MOUNT
MOUNT
4.7/50V