Schematic Diagram - Front Amp Board (1/2) - Aiwa CX-BK33 Service Manual

CX-BK33
Q Q
3 7 6 3 1 5 1 5 0
7-17. SCHEMATIC DIAGRAM – FRONT AMP Board (1/2) –
(1/2)
R037
5.6k
CN502
11P
AMP-A-GND
IN-L
AMP-A-GND
IN-R
AMP-A-GND
2SA1235
MIXOUT-LR
MUTING
AMP-A-GND CONTROL
MUTE
(Page 44)
POWER MONITOR
O-POWER
R592
15k
SYSTEM-MUTE
R562
T E 1M
L 1 3 9 4 2 2 9 6 5 1 3
R591
100k
R560
2.2k
w w w
R541
2.2k
R537
1k 1/2W
R543
2.2k 1k 1/4W
C521 C517
D510
R559 4.7 0.47 R545
MC2836
2.2k 50V 50V 100
* R549,550
HN4A06J-GRBL
330 (E51)
470 (AEP,UK) PRE DRIVE
R557
1k
R555 R553
22k 27k
Q525 R549 C509
2SD1306 * 820p
NE 07-TL
C513
MUTING 22
50V
C514
R561 R556 R554
22
68k 22k 27k
Q527 50V
R564 R558 R550
0 1k * 2SC3052F-T
Q526 R535
2SD1306 100
NE 07-TL
MUTING
R542
2.2k R540
R544
2.2k
R538
1k 1/2W
1k 1/4W
C522
4.7 R546
50V 100
C518 HN4A06J-GRBL
0.47 TE85R
50V
PRE DRIVE
C510
820p
R536
x a o
. i
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D503
R529
MC2838
4.7k
(E51)
(AEP,UK)
R539
2SD2562
10k Q507,509
D501
FN1016
MC2836 BIAS
R521
1.8k
-2 -1
R523
Q517 Q507
2.2k
2SC3052F-T
TE85R 1-LF
C507 C505
100p 100p Q509
100V 100V 2SC3052F-T
R531 1-LF
1.5k
D505 R515
10EDB40 220
D507
1SS355TE R527 Q515 Q513
-17 47k 2SD0814A 2SC3478
Q511,513,515 Q511
Q521
2SC3478
2SC3052F-T CASCADE
1-LF
Q523
1-LF Q521,523
CURRENT
R533 R525 R519 R517
100 MIRROR 1k 39 39
Q Q
D504
R530
MC2838 3 7
10k 4.7k
2SD2562
(E51) D502 Q508,510
FN1016
MC2836
(AEP,UK) BIAS
R522
1.8k
-2 -1
Q518 Q508
2SC3052F-T
1-LF
R524
2.2k
Q510
C508 C506
2SC3052F-T
100p 100p
1-LF
100V 100V
R532
1.5k
D506 R516
10EDB40 220
Q514
2SC3478
Q516
D508 R528 2SD0814A
1SS355TE 47k
-17
Q512
Q522 Q512,514,516
2SC3478
2SC3052F-T
CASCADE
1-LF
Q524
2SC3052F-T Q522,524
1-LF
CURRENT
R534 R526 R520 R518
MIRROR
100 100 1k 39 39
R067
47k
Q013
D020
C026 2SB0792A
MC2838
4700p
OVER CURRENT
DETECT
R065 R066
10k 33k
R090
10k
u 1 6 3
y
(Page 49)
48 48
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2 4
8 9 9
Q531
(E51)
(AEP,UK) R505 R513
100 6.8k
D509
MC2838
C501
C537
R507 0.01
0.1
2.2k
50V
(E51)
Q505
2SB0792A
R501 R595
R509
0.22 0.47 OVER LOAD
2.7k
3W 2W
DETECT
R511 R514
R503 R597
1k 6.8k
0.22 0.47
3W 2W
Q533
2SB1649 (E51)
FP1016 (AEP,UK)
Q531,533
FINAL DRIVE
6 3 1 5 1 5 0 8 9
Q532
(E51)
(AEP,UK)
R506
100
C502
R508 0.01
C536
2.2k
0.1
50V
(E51)
Q506
2SB0792A
R502 R596
R510
0.22 0.47 OVER LOAD
2.7k
3W 2W
DETECT
R512
1k
R504 R598
0.22 0.47
3W 2W
Q534
2SB1649 (E51)
FP1016 (AEP,UK)
Q532,534
FINAL DRIVE
Q012
2SD0814A
HOLD
C025 R068
6800p 10k
m
c o
.
2
8 9 9
EP502
C524 (CHASSIS)
0.1
R035 R036
22k 22k
CN504
5P
GND
O-P0WER
R-IN
L-IN
RELAY SW
(Page 54)
D511
R576
1SS355TE
R574 10k
-17
22
R575
10k
RY501
Q530
2SC3052F-T
1-LF
RELAY
DRIVE
C575
0.1
2 4 9 8 2 9 9
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.