Schematic Diagram - Main Section (2/4) - Aiwa CX-JPK33 Service Manual

6-12. SCHEMATIC DIAGRAM – MAIN Section (2/4) – •
(2/4)
R253
100
C252
100
16V
Q321
2SC2001
BIAS OSC
C241 R241
1000p 10
A1
A2
A3
A4
A5
A6
A7 2SB1116
(Page 32) R250
10k REC BIAS
SWITCH
R251
10k
A8
See page 44 for IC Block Diagram.
C253
R262
0.1
3.3k R263
50V
1M
Q327 R352
2SC3052 100k
AMS
DETECT
R264
1k
R351
15k
D213 R265
1SS355 10k
C258 C259
D212 R266 D214
0.47 0.22
1SS355 100k 1SS355 C351
50V 50V
1000p
L101
BIAS OSC
R243
8.2k
C244
0.015
R242
27k
C243
0.015
C251
C242
47
0.0047
16V
R252
0
Q324
•
See page 44 for Waveform.
R358
100
R354
4.7k Q352
2SC3052
C353
2.2
50V
Q351,352
BAND-PASS
FILTER
Q351
2SC3052
C352
R353 R356 R357
22
47k 470 2.2k
50V
R246
100
REC/PB
SWITCH
R244 IC201
8.2k BA3126N
C249
10
50V
2SA1235
C248
1000p
R245
4.7k
TAPEB1
33 33
CLK
DO
DI
CE
TUNED
STEREO
TU-L
STREAM/VACS TU-R
TU-MUTE
C264
1000p
TAPEA2
TAPEA1
C265
1000p
C266
1000p
TAPEB2
TAPEB1
C267
1000p
R247 R248
10k 10k
D211
1SS355
CD OPEN/CLSE
Q322 Q323 R249
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
R345
10k
R346
1k
(Page 35)
CX-JPK33
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
HP1
(PB)
CN112
3P
R-CH
DECK-A
L-CH
HRPE1
CN103
(REC/PB/ERASE)
8P
L-CH
R-CH DECK-B
ERASE
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