Sony BVW-55 Maintenance Manual page 751

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CN8 (12/12) 12
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CN8 (2/12)
2
CN8 (4/12)
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CN8 (9/12)
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CN8 (10/12) 10
CN8 (3/12)
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BVW-55
A B
+6V
IC1
Q1
NJM4580E-D-TE2
HP_L_CH(X)
2SC4213B-TE85L
3 8
+
1
R1
100
2 -
HP_LCH_VR(X)
RV1
4
20k/20k
HP_LCH_VR(G)
-6V
HP_L_CH(G)
R17
2.7k
C3
100pF
HP_R_CH(X)
IC1 (1/2)
NJM4580E-D-TE2
5
+
7
R2
100
6
-
HP_RCH_VR(X)
HP_RCH_VR(G)
HP_R_CH(G)
Q2
2SC4213B-TE85L
SL2 R18 100pF
OPEN 2.7k
SPEAKER_(G)
+6V
REG_+6V
C1
0.22uF
R19
100k
C2
CP_POWER_OFF_MUTE
0.22uF
REG_-6V
-6V
C
HP-88 HP-88
+6V
(2/2)
IC2
(1/2)
NJM4556AM-A-TE2
Q3
R3
C7
2.7k 2SC4213B-TE85L
3 8
100uF
R11
+ 4V FB1
39
1
2
-
C9
0.047uF
4
R20
R4 R9
2.7k
-6V
2.7k 22k
C5
100pF
R7
22k
IC2
(2/2)
NJM4556AM-A-TE2
R5
C8
2.7k 5
100uF
R12
4V
+ 39
7
6
-
R6 R10 R21
2.7k 0.047uF
2.7k 22k
C6
100pF
C4 R8
22k
Q4
2SC4213B-TE85L
4-57 4-57
D E
J1
9
7
8
2
1
5
4
6
3
+6V
(Gain=26dB)
F-GND
FB2
L1
R15
R13
47uH
68 68 IC3
NJM386M(TE2)
(5dBu_max)
6 C14
3
1 220uF
IN+ 8 4V FB3
5
SPEAKER(X)
2
IN-
7
FB4
4
C15
SPEAKER(G)
220uF
R16 4V
10
C12
C11
100uF
47uF
6.3V
10V C13
0.047uF
C10
R14
15
F G
1
2
(1/2) CN1
1
(2/2) CN1
2
3
4
HEADPHONES JACK
HP-88
5
BOARD NO. 1-667-479-14
LOT NO. 812-
BVW-55_HP-88_002
H