Schematic Diagram - Main Section (4/4) - Aiwa CX-JV77 Service Manual

7-17. SCHEMATIC DIAGRAM – MAIN Section (4/4) –
(Page 36)
E1
E2
E3
E4
E5
E6
(Page 38)
Q361
2SA1235
Q361,362
R361 R362
RELAY DRIVE
10k 2.2k
Q362
2SC3052
C270
10
50V
E7
E8
R273
0
E9
E10
E11
E12
CX-JV77
• See page 54 for IC Pin Function Description.
(4/4)
+3.3V REGULATOR
IC301
TA78033LS
O I
G
C309 C308
D313
22 22
11EQS04
50V 50V
Q301
2SB1375
R305
+5V REGULATOR 10k
Q301,302
IC302
B+ SWITCH
TA7805S
R301 R302
2.2k 2.2k
O I
G
Q302
2SC3052
C312 C311
R304
10 10
10k
50V 50V
R303
C313
10k
2200
25V
+9V REGULATOR
IC303
TA7809S
O I
G
C315
100
16V
+9V REGULATOR
IC304
TA7809S
D316
1SS355
O I
G
Q314 R324
2SA1235 10k
R323
4.7k
R274
0
Q314,315
B+ SWITCH
R363
4.7k
Q315
2SC3052
R321
4.7k
C321 C318 C316
R364 R322
2.2 100 2200
4.7k 22k
50V 16V 25V
R275 D321 R325
0 1SS355 4.7k
D301
10EDB40
D302 C301
10EDB40 0.1
D303
10EDB40
D304 C302
C376
10EDB40 0.1 R312
2.2
22k
50V
D314 D315
C374
47
16V
C310
6800
16V
D305
10EDB40
C303
D306 0.1
10EDB40
D307
10EDB40 C304
0.1
D308
10EDB40
D309
10EDB40
C305
D310 0.1
10EDB40
D311
10EDB40 C306
JW302
0.1
D312
10EDB40
JW303
C354
0.1
39 39
(Page 37)
R308
2.2k
STK MUTE
Q308
R310 R306 2SA1235
10k 10k
POWER AMP
ON/OFF
R307
10k
Q309
2SC3052
R311
4.7k Q309,313
POWER ON
Q313 MUTING
2SC3052
LOADING/
TABLE
MOTOR DRIVE
IC371
BU2099
VF1
VF2
-VFL
TUNED
STEREO
TAPE AMS
CD NO. SENS
P.RELAY
SYS MUTE
R375
10k
BIAS DO
CLK
CE
BD3401 CLK
BD3401 DATA
PROTECTOR
WFR/HP/MIC
CD ENCODER
CD OPEN/CLSE
STREAM/VACS
DI
-VFL
VF2
VF1
AC3
CX-JV77
CN302
29P
VF1
VF2
-VFL
TUNED
STEREO
TAPE AMS
CD NUMBER SENS
POWER RELAY
SYSTEM MUTE
LC72121 DI
LC72121 BU2099FV CLK
BU2099FV DO
LC72121 CE
BU2099FV LCH
R213 1k BD3401 CLK
R214 1k BD3401 DATA
PROTECTOR
(Page 42)
WFR/HP/MIC
CD ENCODER
CD OPEN/CLOSE
STREAM/VACS
LC72121 DO
3.5V(SW)
M 9V
M-GND
M-GND
EVER 10V
D-GND
D-GND
EP301
CN303 (CHASSIS)
11P
STBY-RELAY
EVER+10V
D-GND
VP
VF2
VF1
AC4
AC4
(Page 47)
N.C
AC3
AC3