Schematic Diagram - Main Section (2/4) - Aiwa CX-JN77 User Manual

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3 7 6 3 1 5 1 5 0
6-12. SCHEMATIC DIAGRAM – MAIN Section (2/4) – •
(2/4)
R253
100
C252
100
16V
T E
L 1 3 9 4 2 2 9 6 5 1 3
BIAS OSC
C241 R241
1000p 10
A1
A2
A3
A4
A5
A6
A7
(Page 32) R250
10k
w w w
R251
10k
A8
.
See page 48 for IC Block Diagram.
C253
R262
0.1
3.3k R263
50V
1M
Q327
2SC3052
AMS
DETECT
R264
1k
D213 R265
1SS355 10k
C258 C259
D212 R266 D214
0.47 0.22
1SS355 100k 1SS355 C351
50V 50V
1000p
L101
BIAS OSC
R243
10k
C244
0.015
R242
22k
Q321
2SC2001
C243
4700p
C251
C242
47
0.0047
16V
R252
150
Q324
2SB1116
REC BIAS
SWITCH
x a o
y
i
http://www.xiaoyu163.com
8
•
See page 48 for Waveform.
R358
100
R354
4.7k Q352
2SC3052
C353
2.2
50V
R352
100k
Q351,352
BAND-PASS
FILTER
R351
15k Q351
2SC3052
C352
R353 R356 R357
22
47k 470 2.2k
50V
Q Q
3 7 6 3
REC/PB
SWITCH
R244 IC201
10k BA3126N
C249
10
50V
C248
1000p
R245
4.7k
TAPEB1
u 1 6 3
.
33 33
http://www.xiaoyu163.com
2 4
9 9 8
CLK
DO
DI
CE
TUNED
STEREO
TU-L
STREAM/VACS TU-R
TU-MUTE
RDS INT
RDS DATA
(AEP,UK)
1000p
TAPEA2
TAPEA1
1000p
R246
100
1 5 1 5 0 8 9 2 4
1000p
TAPEB2
TAPEB1
1000p
R247 R248
10k 10k
D211
1SS355
CD OPEN/CLSE
Q322 Q323 R249
2SA1235 2SC3052 47k
C250 CD NO. SENS
Q322,323
47
REC BIAS 16V
SWITCH
TM-F
TM-R
LM-F
LM-R
R348 R343
22k 22k
R342
1k
R341 R344
10k 22k
m
R345
10k
R346
1k
c o
(Page 35)
CX-JN77
2
9 9
CN101
11P
LC72121 CLK
LC72121 DO
LC72121 DI
FM 75Ω
LC72121 CE
COAXIAL
FM/AM
+9V
TUNER PACK
TUNED
SUPPLIED WITH
STEREO
THE ASSEMBLED
TUNER-L BLOCK
GND AM
TUNER-R
TU-MUTE
+3.3V
N.C
RDS INT
RDS DATA
HP1
(PB)
C264 CN112
3P
R-CH
DECK-A
L-CH
C265
9 8 2 9 HRPE1 9
CN103
C266 (REC/PB/ERASE)
8P
L-CH
R-CH DECK-B
ERASE
C267
C288
0.001
(AEP,UK,CIS)
CN301
12P
OPEN SW
D+3.3V
TBL ADDRESS SENS
E-3
E-2
E-1
TM-F
TM-R
LM-F
(Page 29)
LM-R
GND
CD-VM
C342
0.1
R347
22k