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BMZ-K1, CX-BK1 - Sony Audio Service Manual (repair manual). Page 46

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CX-BK1
46
46
8-15. SCHEMATIC  DIAGRAM  – MAIN Board (3/4) –
•
 See page 68 for IC Block Diagrams.
R884
C872
C873
R885
R895
R896
R894
R893
R892
R891
Q892
Q891
C894
R890
R888
R879
C892
R881
JR708
JR709
JR707
JR706
JR705
JR704
R787
R786
R785
R784
R783
R782
C792
C790
C791
JR702
JR703
R780
R781
R770
R773
R774
R772
R771
C702
R755
R779
R767
R765
R769
R962
C876
CN502
C477
R788
R789
CN009
CN509
CN508
Q890
C867
C866
R863
JW011
IC703
IC701
R778
R768
R756
R759
3.9k
R880
5.6k
R887
5.6k
0.0033
0.0033
3.9k
2.2k
2.7k
0
10k
2.2k
2.2k
2SC3052F-T
1-LF
2SC3052F-T
1-LF
0.1
47k
100
1k
47
16V
47k
0
0
0
0
0
0
47k
47k
47k
47k
47k
47k
100p
100p
100p
0
0
0
0
0
0
0
0
0
0.47
4.7k
0
5.6k
5.6k
5.6k
10k
4.7
50V
4.7
50V
C883
4.7
50V
11P
4.7
50V
47k
47k
11P
11P
15P
KTA1266GR
0.01
10
50V
68
BU2099FV
BU2099FV
0
10k
4.7k
4.7k
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
C1
C2
C3
C5
R
D
S
-D
A
T
A
R
D
S
-C
L
K
S
T
E
R
E
O
T
U
N
E
D
C
E
D
O
M
U
T
E
V
-S
T
B
Y
F
R
-G
N
D
F
R
-V
D
D
(3
.3
V
)
M
D
A
T
A
M
C
L
O
C
K
P
O
W
E
R
M
O
T
O
R
S
O
L
L
E
V
E
L
H
E
A
D
P
H
O
N
E
O
-
P
O
W
E
R
-M
O
N
IT
O
R
O
-
S
H
IF
T
_
S
O
O
-S
H
IF
T
_
S
T
B
O
-S
H
IF
T
_
C
L
K
O
-
S
H
IF
T
_
D
A
T
A
U
S
B
_
V
B
U
S
_
O
N
U
S
B
_
IN
T
U
S
B
_
A
C
K
I2
C
_
D
A
T
A
I2
C
_
C
L
K
E
V
E
R
3
.3
V
T
U
-S
IG
(E
C
H
O
_
C
E
)
A
-G
N
D
+
1
2
V
V
M
_
D
19
20
21
22
23
24
O
-P
O
W
E
R
_
M
O
N
IT
O
R
I-H
E
A
D
P
H
O
N
E
O
-P
O
W
E
R
CD_ON
I2
C
_
C
L
K
I2
C
_
D
A
T
A
U
S
B
_
A
C
K
U
S
B
_
IN
T
U
S
B
_
V
B
U
S
_
O
N
O
-
M
C
L
O
C
K
O
-M
D
A
T
A
L
E
V
E
L
Q0
Q1
Q2
18
V-BASS
VSTBY
REC-OUT-MUTE
B
Z
1
Z
2
Z
3
Z1
Z2
Z3
Z1
Z2
Z4
Z5
Z8
Z9
A
USB_ON
Y
1
Y
2
Y
3
Y
4
Y
5
Y1
Y2
Y3
Y4
Y5
TAPE-R
TAPE-L
Q0
Q1
Q2
REC-L
REC-R
M
U
T
E
TUNER-L
TUNER-R
Z
9
Z
8
Z
5
Z
4
I-MIC
LCK
V
S
T
B
Y
CLK
DI
DO
CE
TUNED
TUNER-L
GND
TUNER-R
TU-MUTE
FM SIGNAL OUT
STEREO
+3V(RDS)
RDS INT
RDS DATA
VM+9V
CLK
DI
DO
CE
TUNED
TUNER-L
GND
TUNER-R
TU-MUTE
STEREO
VM+9V
A-GND
PB-L
REC-L
PB-R
REC-R
VM_A
REC/PB SW
REC-MUTE
DECK-D-GND
+12V
SYSTEM-MUTE
IN-R
AMP-A-GND
IN-L
O-POWER
AMP-A-GND
MUTE
POWER MONITOR
AMP-A-GND
AMP-A-GND
MIXOUT-LR
O-BIAS
Q5
Q8
Q9
Q10
Q11
SO
OE
VDD
Q6
Q7
Q5
Q8
Q9
Q10
Q11
SO
OE
VDD
Q6
Q7
VSS
DATA
CLOCK
LCK
Q0
Q1
Q2
Q3
Q4
VSS
DATA
CLOCK
Q0
Q1
Q2
Q3
Q4
LCK
(3/4)
(EXCEPT US)
THE ASSEMBLED
BLOCK
SUPPLIED WITH
FM/AM
TUNER PACK
AM LOOP
(COAXIAL)
FM 75Ω
(AEP,UK)
(EXCEPT AEP,UK)
+9V
REGULATOR
REGULATOR
Q891,892
CONTROL
(AEP,UK)
NC
NC
SHIFT REGISTER
SHIFT REGISTER
C882
IN
H
C700
0.47
C607 100p
I-HEADPHONE
O-POWER_MONITOR
O-POWER
MUTE
C608 100p
(AEP,UK)
(AEP,UK)
(Page 45)
(Page 47)
(Page 52)
(Page
41)
(Page 44)
(Page 44)
(Page 44)
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