![background image](http://html.mh-extra.com/html/sony/aiwa-cx-jn20/aiwa-cx-jn20_service-manual_420210014.webp)
CX-JN20/JN30
37
37
S319
S320
S321
S322
S323
S301
S302
S303
S304
S305
R306
R305
R304
R303
R302
R312
R313
R314
R315
R316
R317
R318
R322
R323
R324
R325
CN302
CN301
C801
C802
R805
R806
C803
C804
R808
R807
R804
R803
R813
R814
C807
C808
R816
R815
C806
C805
R810
R809
R811
R812
R326
R327
R328
R329
CN303
R801
R802
R321
S306
S307
S309
S308
S310
S311
S314
R301
R311
LED201
R231
S801
S803
S802
S804
S315
LED901
S313
S318
S316
S317
S312
1.2k
1.2k
1k
820
1k
1k
820
1k
1.2k
1.2k
1.8k
1.8k
1k
820
1k
1.2k
5P
5P
1000p
1000p
10k
10k
1000p
1000p
10
10
10
10
10k
10k
1000p
1000p
10
10
1000p
1000p
10k
10k
10
10
1.2k
1.8k
1.8k
2.7k
23P
10k
10k
0
0
0
SLR325-VC
1k
SLR325-URC
K1
K2
K3
K4
K5
K6
K7
K8
B8
B9
B10
B8
B9
B10
K1
K2
K3
K4
K5
K6
K7
K8
D-GND
D-GND
KEY3
KEY3
K1
K2
K3
K4
K5
K6
K7
K8
VDD
B8
B9
B10
D-GND
V-BASS
VM
MIC-OUT
A-GND
I-MIC
DATA(ECHO)
CLK(ECHO)
LATCH(ECHO)
VDD(STBY)
O-POWER LED
VOLUME
BASS
MULTI JOG
TREBLE
NC
NC
NC
NC
NC
NC
MODE
ENTER
CD
TAPE A/B
TUNER
BAND
AUX
REC
SYNC DUB
SET
CLEAR
PRESET
TUNING DOWN
TUNING UP
A
B
C
A
B
C
A
B
C
A
B
C
1
2
3
1
2
3
1
2
3
1
2
3
OPEN/CLOSE
3
1
2
DISC DIRECT PLAY
DISC
CHANGE
POWER
STANDBY/ON
i-BASS
REC MUTING
i-BASS
DISPLAY
ALBUM
ALBUM
PTY
PLAY/
STOP/
PAUSE/
VIDEO/
6-19. SCHEMATIC DIAGRAM – KEY Section –