Sony Aiwa CX-JN20 Service Manual page 11

CX-JN20/JN30
6-11. SCHEMATIC DIAGRAM – MAIN Section (3/4) – •
(3/4)
SP-A-GND
C687 0.01
TU/AUX-A-GND
CD-A-GND
FR-A-GND
FUNC-A-GND
CD-D-GND
CD-P-GND
FR-D-GND
CD-VM
CD-VM
4V
4V
VSS
VSS
VDD
VDD
F1
F1
F2
(Page 29)
F2
HOLD
HOLD
VM
VM
-VFL
-VFL
O-POWER
O-POWER
O-MUTE
O-MUTE
V-STBY
V-STBY
OUT-L
OUT-L
OUT-R
OUT-R
CN601
30P
-VFL
-VFL
F2
VF2
RDS-SIG
TU-SIG
F1
VF1
TU-MUTE
TU-MUTE
STEREO
STEREO
TUNED
TUNER TUNE
PLL-CE
PLL-CE
DATA
DATA
IFC
IFC
CLK
CLK
RDS-DATA
RDS-DATA
RDS-CLK
RDS-CLK
V-STBY
V-STBY(EVER)
HOLD
HOLD
4V
+4V
TBL-SENS
CD-NUMBER SENS
(Page 35)
D-GND
STB
STB-I/O
CD-VM
CD-VM
O-MUTE
O-MUTE
O-POWER
O-POWER
BU-UP
BU-UP/DOWN SW
SPEANA
VF-ON
S-OUT
S-0UT
PB2
PB2
O-BIAS
O-BIAS
MIC-OUT
A-GND
S
Q301
2SJ460
HP1
(PB)
(DECK-A)
L CH CN301
3P
Q302
2SJ460
R CH
S
2SK2541
2SK2541
HRPE1
R304 R303
(REC/PB/ERASE) 82k 82k
(DECK-B)
CN302
8P
R CH
R311
C321 10k
0.1
L CH
C315
ERASE
0.022
See page 40 for IC Block Diagram.
JR601 JR611 R653
0 0 22k
R654
22k
R655
22k
R656
22k
FB601
0
C603
R607 R603
100
100k 390k
10V
R601
100
R652
100
R651
100
R631 C621
470 180p
R627
S
2.2k
Q303
R629
2SK2541
Q304
2SK2541
S
Q301-304
PB SWITCH
Q306
S Q305 Q305,306 S
2SJ460 FB602
2SJ460
MUTING 0
C305
470p C306
Q309
0.001
S
R305
S S
220k
Q307 D301
MC2836
Q308
2SK2541
Q307-309
MUTING
R659
2.2k
C311
1000p
L311
BIAS OSC C322 C313
0.1 470p
•
See page 40 for Waveforms.
TP601
R G L
R645 C734
4.7k 0.1
R612
4.7k
D661 D662
UDZS-174.7B UDZS-174.7B
C604
C607 R609 R610 C608 R608 C661 C662
100
470p 18k 18k 470p 100k 220 47
10V
C663 10V C664 25V
0.1 0.1
R605 R606 R604
1.2k 1.2k 390k
R602
100
R661
15k
C601
47p
C622 180p
R628 R632
2.2k 470
R630
10k 10k
R620 27k
R619 27k
R618 15k
R617 15k
R616 15k
R615 15k
R621
5.6k
* R625,626
3.3k (JN30:CIS)
3.9k (JN20/JN30:AEP,UK)
Q601
DTA114EKA
C312
INVERTER 1000p Q310
2SC2001
BIAS OSC
C316 R313 C317
0.015 27k 0.015
R312
10k C314 C318 R314
470p 0.0047 10
30 30
C733
0.1
R665 6.8k
R664 6.8k
R663 R666 R667
10k 2.7k 2.7k
D663
1SS355
R662
47k
INPUT SELECT,
ELECTRICAL
VOLUME
IC601
BD3881FV
C643 C641 C644 C642
0.22 0.22 0.22 0.22
50V 50V 50V 50V
R643 R644
3.3k 3.3k
TU-R
TU-L
CD-R
CD-L
AUX-R
AUX-L
Q311
2SA1015
R317 Q311,312
R316
1k
REC BIAS 10k C320
0.1
SWITCH
R315 R318
39 4.7k
C319
10 Q312
50V 2SC3052
B3
B4
B5
B6
B7
B8
VDD
B9
B10
B11
VSS
(Page 31)
R658
22k
B12
B13
B14
B15
CD-VM
O-BIAS