Schematic Diagram - Main Section (3/4) - Aiwa CX-JV77 Service Manual

CX-JV77
7-16. SCHEMATIC DIAGRAM – MAIN Section (3/4) –
(3/4)
CN307
13P
SP L-OUT
SP-GND
SP R-OUT
RELAY B+
PROTECT
R-OUT
A-GND
L-OUT
+16V
PW-GND
(Page 45)
STK MUTE
AC3
GND
JW311
CN324
4P
(Page 43)
R280
10
CN305 C214
12P 1000
10V
M+7V
M-GND
N.C
R-CH
A-GND
L-CH
D-GND FB201 0
D-GND FB202 0
AVDD FB203 0
(Page 35)
DVDD FB204 0
VMP POWER
VIDEO SW
HP CTL
HP CTL
R-OUT
HP-GND
J801 L-OUT
PHONES
C806
CN805
1000p
5P
C809 C808 C807
0.1 0.1 1000p
W802
(CHASSIS)
(CHASSIS)
M901
(FAN)
CX-JV77
PROTECTOR
ROUT
LOUT
STK MUTE
AC3
C217 0.1
R391 R392 R393
10k 1k 10k
C222 0.1
C216 0.1
R385 R386 R387 R388
4.7k 22k 4.7k 22k
MIC
R398
4.7k
R399
10k
R216 R217
56 56
R219
680
3W
JW202
R218
680
3W
JW201
CN309
5P
HP CTL
D GND
R-OUT
HP-GND
L-OUT
EP101
C235 Q311
0.1 2SC2001
C228
0.1 +13V REGULATOR
CN308
3P
FAN+
R225
Q310 4.7k
FAN-
2SC2001
FAN+ FAN MOTOR C229 C230
R226
4.7 47
DRIVE 47k
50V 16V
R394
1k
R389 R390
4.7k 22k
R395
22k
Q372
2SC3052
MIC DETECT
R223
0
D201
1SS355
R222
5.6k R231
2.2k
R220 R221
22k 22k
R232
10k
Q312
2SA953
B+ SWITCH
R235
4.7
R227 R228 D206 R229
1k 1k 1SS355 4.7k
D202
MTZJ-13B
D207 R230
1SS355 4.7k
38 38
(Page 36)
R203
10k
R207
2.2k
Q305 Q306
Q304,305
2SA1235 2SC5938
MUTING
MUTING
CONTROL
R204 R205
10k 4.7k
R210
2.2k
Q304 Q307
C211
R201 R202 2SC3052 R272 R206 2SC5938
2.2
4.7k 10k 470k 47k
50V MUTING
D324 D325
10EDB40 10EDB40
D326
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
E1
E2
E3
E4
CDL
R208
1k
R209
10k
CDR
R211
1k
(Page 39)
R212
10k
C213 C212
10 10
50V 50V
E5
E6
E7
E8
E9
E10
E11
E12