Read Sony BMZ-K7D / CX-BK7 Service Manual online
CX-BK7
66
66
7-29. SCHEMATIC DIAGRAM – MAIN Board (1/4) –
C542
R542
R541
C541
R545
R546
C558
C557
R556
C552
R555
R543
C543
R544
C544
R547
R548
C545
R549
C549
R551
C551
R559
C555
C584
C553
R553
R560
R558
C554
R557
C569
C583
R569
R582
R571
C570
R570
R572
R573
C571
C573
C572
C574
R574
C581
R579
C582
R578
IC502
R532
R535
R534
R533
C509
R537
R538
R536
Q501
Q500
C500
J501
R581
R580
L541
C587
R577
R583
R554
C546
C563
C561
R565
C564
C562
R566
C577
C576
R576
CN501
JR540
CN506
R561
R562
R575
C578
C579
C568
R564
R568
C566
C567
R563
R567
C565
C550
C580
C586
C547
C585
C559
C560
C575
R552
C548
R550
C589
C588
C556
C510
C505
10
50V
2.2k
2.2k
10
50V
100k
100k
10
50V
10 50V
47k
10
50V
47k
2.2k
10
50V
2.2k
10
50V
100k
100k
10 50V
47k
220p
470
10
50V
2.2k
0.001
100
16V
0.0022
10k
2.2k
2.2k
0.0022
2.2k
10
50V
0.047
12k
1M
1M
10
50V
12k
1M
680
0.22
0.22
0.22
0.22
680
0.22
2.2k
0.1
1k
M61530FP-D60G
2.2k
2.2k
27k
1M
1000p
2.2k
100k
100k
2SD1306
NE 07-TL
2SA1235TP-
1F
10
50V
1P
100
100
0.1
47k
10k
10k
10
50V
10
50V
0.001
4.7k
10
50V
0.001
4.7k
10
50V
0.001
4.7k
11P
0
25P
2.2k
2.2k
2.2k
0.001
10
50V
0.001
10k
47k
10
50V
0.001
10k
47k
10
50V
220p
10
50V
100
16V
16V
220p
100
16V
16V
10
50V
10
50V
10
50V
470
220p
47k
1
50V
470p
0.001
0.01
10
50V
P
O
W
E
R
-M
O
N
IT
O
R
V
C
C
D
V
D
-
FR
O
N
T
-
L
D
V
D
-F
R
O
N
T
-R
D
O
W
N
M
IX
-L
D
O
W
N
M
IX
-
R
4CH_DATA1
4CH_CLK
D
V
D
_
D
-O
U
T
L
-T
O
N
E
-O
U
T
R
-T
O
N
E
-O
U
T
S
B
-IN
V
M
_
A
D
V
D
_
D
-G
N
D
REAR_MUTE
CENTER_MUTE
SWR_MUTE
A
U
X
-G
N
D
D
V
D
-A
_
G
N
D
A
U
D
IO
-D
_
G
N
D
S
L
-IN
S
R
-IN
C
-IN
L
F
E
-IN
FL-IN
FR-IN
DM-L
DM-R
LFE-IN
SR-IN
SL-IN
C-IN
FR-IN
FL-IN
DM-R
DM-L
FL
F
R
S
L
S
R
C
SL
C
FL
FR
SR
SW(LFE)
D-OUT
D+3.3V
D.GND
A-GND
A-GND
AUDIO_5V
AUDIO_GND
DOWNMIX-L
A-GND
DOWNMIX-R
A-GND
FRONT-L
A-GND
FRONT-R
A-GND
CENTER
A-GND
SURROUND-L
A-GND
SURROUND-R
A-GND
D-IN
SUR-L-IN
AMP-L-GND
SUR-R-IN
AMP-R-GND
CENTER-IN
AMP-CENTER-GND
POWER-MONITOR
VCC
REAR-MUTE
CENTER-MUTE
NC
(1/4)
ELECTRICAL VOLUME
SUB WOOFER
OUT
ANALOG-IN_R
ANALOG-IN_L
MUTING
MUTING
CONTROL
SWITCH
(Page 50)
(Page 67)
(Page 67)
(Page 68)
(Page 69)
(Page 75)
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