Schematic Diagram - Main Section (3/4) - Aiwa CX-JV4 Service Manual

CX-JV4
6-16. 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
L-MUTE
L-MUTE
CD-VM
CD-VM
4V
4V
VSS
VSS
VDD
VDD
F1
F1
F2
(Page 35) 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
JR801 0
L-MUTE
F1
VF1
TU-MUTE
TU-MUTE
STEREO
STEREO
TUNED
TUNER TUNE
PLL-CE
PLL-CE
DATA
DATA
IFC
IFC
CLK
CLK
RDS-DATA
RDS-CLK
V-STBY
V-STBY(EVER)
HOLD
HOLD
4V
4V
TBL-SENS
CD-NUMBER SENS
(Page 41)
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
2SJ460
HP1
(PB)
(DECK-A)
L CH CN301
3P
Q302
2SJ460
R CH
HRPE1
R304 R303
(REC/PB/ERASE) 82k 82k
(DECK-B)
CN302
8P
R CH
C321
0.1
L CH
C315
ERASE
0.022
See page 46 for Waveforms. • See page 47 for IC Block Diagram.
R772 R771
4.7k 270
R742
3.9k
Q746
2SA1235
MUTING
CONTROL
R754
12k
R758 C749
15k 330
16V
VM L-MUTE
R653 10k
R654 10k
R657
56k
R655 22k
R656 22k
FB601
0
C603
R607 R603
100
100k 390k
10V
R601
82
R652
100
R651
100
R631
2.2k
S
S
Q301
Q303
2SK2541
Q304
2SK2541
S
Q301-304
PB SWITCH
S
Q306
S Q305 Q305,306 S
2SJ460 FB602
2SJ460
MUTING 0
C305 C629
470p C306 2200p
Q309
0.001
2SK2541
S
R305
S S
220k
Q307 D301
2SK2541 MC2836
Q308
2SK2541
Q307-309
MUTING
R659
2.2k
L311
R311
15k BIAS OSC C322
0.1
R746 R750 R741
330k 3.9k 3.9k
C744
0.47
50V
Q742
2SC3052
REC AMP
Q744 Q743
2SD1306 R769 2SD1306
820 MUTING
MUTING
R753
12k
R744 R748 C746 R752
100k 120k 10 470
50V
L-MUTE
TP601
R G L
R611
3.3k
R600 3.3k
D661 D662
UDZS-174.7B UDZS-174.7B
C604
C607 R609 R610 C608 R608 C661 C662
100
470p 18k 18k 470p 100k 220
10V
C663 10V C664 25V
0.1 0.1
R605 R606 R604
R602
1.2k 1.2k 390k
82
C606
C605
0.0068
0.0068
R661
15k
C601
47p
C621 C622
180p 180p
C643 C641
R643
0.22 0.22
3.3k
50V 50V
R627 R628 R632
2.2k 2.2k 2.2k
R629 R630
10k 10k
R620 27k
R619 27k
R618 18k
R617 18k
R616 27k AUX-R
R615 27k AUX-L
R621
2.7k
C630
2200p
Q601
DTA114EKA
INVERTER Q310
2SC2001
BIAS OSC
R313 C317
22k 4700p
C316
0.015
R312 C314 C318 R314
15k 2200p 0.0047 10
36 36
R749
R745 R757
3.9k C747
330k Q741 220
1 50V
2SC3052
REC AMP
C748 R760
C743
1 50V 220
0.47 50V
R759
820
R743 R747 C745 R751 R755 R756
100k 120k 10 470 100k 100k
50V
VDD
R665 6.8k
R664 6.8k
R666 R667
47 2.7k 2.7k
VSS
R663
10k
D663
1SS355
R662
47k
INPUT SELECT,
ELECTRICAL
VOLUME
IC601
BD3881FV
C644 C642
R644
0.22 0.22
3.3k
50V 50V
TU-R
TU-L
CD-R
CD-L
R658
22k
PB2
CD-VM
Q311
2SA1015
R317 Q311,312
R316
1k
REC BIAS 10k C320
0.1
SWITCH
R315 R318
120 4.7k
O-BIAS
C319
10 Q312
50V 2SC3052
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
(Page 37)
B12
B13
B14
B15
CN710
8P
GND
VSS
VDD
VF-ON
VF-IN-R
VF-IN-L
VF-OUT-R (Page 39)
VF-OUT-L