YORKVILLE Coliseum CA12, Схемы обслуживания

Страница: 8 / 18

1 2 3 4
A
B
C
D
4 3 2 1
D
C
B
A
Title
Number Revision Size
A4
Date: 15-Feb-2006 Sheet of
File: D:\OTHER MODEL\MP1200\AMP1270.ddbDrawn By:
MAIN BOARD 5OF 7
5 7
LHH
1270S05.SCH
R
5
0
9
4
7
K
R501
1.5K
R503
56K
R505
10K
R507
4.7K
C503
56P
C501
4u7/50V
3
2
1
IC501A
4558
R
5
1
0
4
7
K
R502
1.5K
R506
10K
R508
4.7K
C504 56P
C502
4u7/50V
5
6
7
IC501B
4558
IN
P
U
T
R504
56K
L
IN
E
-1
R
5
1
4
2
.2
K
R515
220K
C511
56P
3
2
1
IC502A
4558
R
5
1
1
1
0
0
K
5
6
7
IC502B
4558
R519
10K
R520
15K
D502
1N4148
C512
100uF/25V
R516
4.7K
R
5
1
3
1
0
0
K
FC501
N.C
FC502
N.C
2
3
1
SW501A
5
6
4
SW501B
R
5
1
2
1
0
0
K
Q501
2N4401
R517
100
C509
4u7/50V
C505
10u/25V
C506
10u/25V
R525
22K
D505 1N4148
1
2
3
4
5
6
7
8
9
10
CNA502
CON10
BUS-L BUS-R
TO ZONE 5 AMPLIFIER
CLOCK
Clock
POWER.5
R-CH.5
L-CH.5
D507
1N4148
+15V
-15V
8
4
IC502C
4558
8
4
IC501C
4558
C507
100uF/25V
C508
100uF/25V
+15V
-15V
L-IN.5
R-IN.5
BUS PW
C510
10u/25V
D
5
0
1
1
N
4
1
4
8
Q503
2N4401
D511
1N4148
CLIP.5
D506
1N4148
D
5
0
9
1
N
4
1
4
8
OutA
2
VCC
1
VREF
5
IN-A
3
Sense
6
SW
7
INT
4
IN-B
8
OutB
9
GND
10
IC504
NJM2761
3
2
4
IC107A
SSM2164
3
2
9
7
8
4
5
1
6
JK503
3
2
1
IC503A
TL072
R537
30K
C519 100P
R
5
3
3
3
0
K
C517
1uF/50V
R535
499
C515
560P
6
7
5
IC107B
SSM2164
5
6
7
IC503B
TL072
R538
30K
C520 100P
R
5
3
4
3
0
K
C518
1uF/50V
R536
499
C516
560P
8
4
IC503C
TL072
C529
22uF/25V
R539
9.1K
2
3
1
SW502A
R521
220
D504
1N4148
RESET
reset
R518
220K
+15V
CLIP-5
POW-5
VCL-5
VCR-5
JK501A
JK501B
BOARD CNA702
+5V
+15V
VCA-L
Clock
LCH-O
RCH-O
-15V
VCA-R
GND
CLIP
R524
15K
D508
1N4148
LIMITER SW
OFF
ON
R540
1K
REMOTE VOLUME
C
5
2
6
0
.2
2
u
F
/5
0
V
C
5
2
5
0
.2
2
u
F
/5
0
C523
0.22uF/50V
C524
0.22uF/50V
C527
0.022uF/50V
V
-
9
G
N
D
8
V
+
1
6
M
o
d
e
1
IC107E
SSM2164
R
5
2
6
7
.5
K
C521
0.1uF
C522
0.1uF
+15V -15V
+5V
1 3
2
VR501
B50K
1 3
2
VR502
B50K
+15V
R541
68
ZD501
12V
POWER
+15V
C
5
3
0
0
.1
u
F
MUTE MUTE
R
5
4
2
4
7
K
C528
0.22uF/50V
PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn