Schematic Diagram - Front Amp Board (2/2) - Aiwa CX-BK33 Service Manual

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3 7 6 3 1 5 1 5 0
7-18. SCHEMATIC DIAGRAM – FRONT AMP Board (2/2) –
(2/2)
CN004
13P
VH+
VH-
VL+
VL-
FAMP-A-GND
SP-GND
SP-GND
T E
L VM+9V 1 3 9 4 2 2 9 6 5 1 3
POWER-MONITOR
(Page 61)
O-POWER
RELAY GND
DC-DET
CN006
6P
+7.0V
GND(+7.0V)
+12V
GND(+12V)
VCC
VM+9.0V
(Page 45)
CN003 (E51)
4P
REG JW013
REG-GND(+7V)
REG-GND(+4V) JW041 JW042
REG-GND(+12V)
(Page 61)
w w w
.
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R686
3.3k
D28 Q618
1SS355 2SK3053
SWITCHING
R699
3.3k
Q612
2SA1235
D626
FMB-G16L OUTPUT LEVEL
DETECT
R603 D624
10k 1SS355TE-17
R683 D625 R692
4.7k MA8180 3.3k
C633
R602
JW601 47
10k
35V
R601 C635
47k 0.068
C641
R674
47
47k
35V
D633
R658 R678 R679
1SS355TE
330 33k 5.6k
-17
Q619 Q617
2SK3053 2SA1235
1SS355TE
SWITCHING
R672
4.7k
R671
10k 1SS355TE
C634
D627
47
FMB-G16L
63V
JW602
D002
1SS355
JW014
+7V REGULATOR
IC001
TA7807S
I O
G
JW017
C004 C003
C001 C002
22 47
0.1 0.1
50V 25V
x a o u 1 6 3
y
i
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8
(Page 48)
R695 D629
R681
C636 22k 1SS355TE-17
15k
100p
1/2W
C637
D623
47
1SS355TE-17
63V
Q620,621
OUTPUT LEVEL
R676
DETECT 2.7k
Q620
2SC2713G
R682
15k
Q621
R693 D639 C638
2SC3052F-T
3.3k 1SS355 330p
1-LF
D640
1SS355 D630 R691 R685 C640 R669
UDZSTE1715B 120 2.2k 330p 10k
Q622
R659 R675 R643 R653 R641 R664
2SA1163
270 2.2k 1.8k 3.3k * 3.3k
D637
1SS355TE
-17
C630
330p
D634
R660 C642 Q623 C643
-17 2.7k 22p 2SA1235 330p
R654
Q624
15k
2SA1235
C645
330p
D635 R656 R670 R677
1.8k 15k 3.3k
Q617,622-624
-17
OUTPUT LEVEL
D636 D638
R655 R626
Q Q
DETECT 1SS355TE 1SS355TE
1.5k 3.3k
3 -17 7 -17 6 3 1
JW023
.
49 49
2 4
9 9 8
* R697,698
1.5k (E51)
D631 R661 C631
1.8k (AEP,UK)
1SS355TE-17 3.3k 330p
R694 D632 R663
10k 1SS355TE-17 10k
R696 R698 R697
15k * *
R662 10k
TH502
TH501
R651
2.2k
R649 R648
220k 220k
Q611
DTA114EKA R311
-T146 4.7k
Q610
2SB0792A
R652
47k R650
10k D301
5 1 5 0 8 9 2 4 9
MC2838
* R641 Q610,611
15k (AEP,UK) THERMAL DETECT
22k (E51)
JW016
+12V REGULATOR
IC003
R302
TA7812S
470k
I O
G
Q301
R305
2SC3052F
R303 10k
3.3k
R306 Q301-303
10k
Q302 FAN MOTOR DRIVE
2SA1235
C005
C007 C008
22
0.1 0.1
50V
C009
47
25V
R307
Q303
3.9
2SA1015GR
m
c o
CX-BK33
2
9 9
CN601
4P
FR SP OUT(R)
FR SP GND(R)
FR SP OUT(L)
FR SP GND(L)
(Page 55)
R312
4.7k
8 2 9 9
C301
1
50V
R301
47k
C302
47
25V
R304
220
C303
47
25V
CN303
3P
M301
(FAN)