Sony KP-FS57M31 Service Manual page 94

(25) Schematic Diagram of J(3/5) Board
3
1 2
A
B
(AUDIO OUT)
J8306
L
L
R
R
C
COMP L TO J3/5,J1/5_15
R8801
IC8801 100
:CHIP
NJM2521M
AUDIO SEL.
+9V
8 7 6 5
IC8802
NJM2521M
AUDIO SEL.
D
1 2 3 4
E
(COMPONENT IN1)
J8305 R8331
0
3P
:CHIP
Y
Y
R8317
VD8301
75 R8332
7.5V
:CHIP 0
:1608
B-Y
:CHIP
PB
P B-Y
B
VD8302 R8318
R8333
7.5V 75
0
:1608 :CHIP
R-Y
:CHIP
F
PR
P R-Y
R
R8319
VD8303
75
7.5V
:CHIP
:1608
L
L
C8315
R8320
470p
220k
:CHIP CH:CHIP
R8335
4.7k
R
R :CHIP
C8316
R8321
470p
220k
:CHIP CH:CHIP
G J8307
2P R8336
4.7k
:CHIP
(COMPONENT IN2)
J8308 R8711
0
3P
:CHIP
Y
Y
H
R8708
VD8306
75 R8710
7.5V
:CHIP 0
:1608
B-Y
:CHIP
PB
P B-Y
B
VD8307 R8707
R8709
7.5V 75
0
:1608 :CHIP
R-Y
:CHIP
PR
P R-Y
R
R8706
VD8308
75
7.5V
:CHIP
:1608
L
L
I
C8702
R8705
470p
220k
CH:CHIP
:CHIP R8712
4.7k
R
R :CHIP
C8701
R8704
470p
220k
:CHIP CH:CHIP
J8309
2P R8713
4.7k
:CHIP
J
K
4
5 6
R8887
0
:CHIP
VD8304 R8889
7.5V 2.2k
:1608 :CHIP
R8888
0
COMP R TO J3/5,J1/5_14 :CHIP
R8802
L8803
100
R8890
10µH VD8305
:CHIP
:CHIP 7.5V 2.2k
:1608 :CHIP
+9V
TO J3/5,J1/5_1
C8801
47
16V
8 7 6 5
R8803
10k
:CHIP
1 2 3 4
TO J3/5,J1/5_8
COMP SEL1
COMP Y1
COMP BY1
COMP RY1
COMP Y1
+5VA
TO J3/5,J1/5_2
FB8802
BLM21B201S
COMP BY1
COMP RY1
D8332
R8892
RD5.6SB-T1
220
:CHIP
C8327
1 D8318
10V
RD9.1SB
F:CHIP
PROTECT
C8328 D8319
1
RD9.1SB
10V
PROTECT
F:CHIP
COMP Y2
COMP BY2
COMP RY2
COMP RY2
COMP BY2
COMP Y2
C8704
1 D8702
10V
RD9.1SB
F:CHIP
PROTECT
C8703 D8701
1
RD9.1SB
10V
PROTECT
F:CHIP
– 130 –
7 8 9
C8892
R8885 0.47
47 10V
:CHIP B:CHIP
R8886
47 C8893
:CHIP 10
D8707
0.1
B:CHIP
TO J3/5,J4/5_30
SCL
TO J3/5,J1/5,2/5,4/5,5/5_10
SDA
R8833 C8816
47 :CHIP 10
R8832
47 :CHIP
C8819
C8818
0.47
R8831 0.47
10V
47 :CHIP 10V
B:CHIP
B:CHIP
L8802
10µH C8888
:CHIP 0.1
36 35 34 33 32 31 30
25V
F:CHIP
1.0
37
C8889 IN1_V/L2
0.1
38 IN1_L3
R8893 25V
100k F:CHIP
39 IN1_SW
:CHIP
40
VCC1
C8812
C8802
0.1 41 Cr
47 IC8805
25V
16V
F:CHIP 42 Cb CXA2171Q
COMPONENT-I/F
43
Y
:8CH
44 IN2_H/L1
1.1
45 IN2_V/L2
1.1
46
IN2_L3
47 IN2_SW
0.2
C8890 C8891
48 GND1
0.1 0.1
25V 25V
F:CHIP F:CHIP
1 2 3 4 5 6 7
F:CHIP
C8815
0.47
10V
B:CHIP
C8814
0.47 C8817
10V 10
B:CHIP
10 11
12 13
R8804
220
2SC4081-R
:RN-CP
HD RY
R8805
HD BY
220
R8813 :RN-CP
HD Y
100
Q8804
:CHIP
2SA1576A R8810
R8858 R8859
BUFF 470
100
100
:CHIP
:CHIP :CHIP
R8860
100
:CHIP
+5VA
C8803 C8804
L8804
0.1
10µH 47
C8885
R8884 16V
:CHIP 16V
1
B:CHIP
330k
6.3V
:CHIP
B:CHIP
C8820
47 C8821
16V 0.1
25V
F:CHIP R8814
+5V
100
:CHIP
29 28 27 26 25
R8806
:RN-CP
1
Q8808
R8846
2SC4081-R
R8844 100
24 BUFF
GND2
100 :CHIP
:CHIP
SELVOUT 23
0
0
SELHOUT 22
R8815
0
X8801
0 0 100
21
NC Q8809
:CHIP
0 2SC4081-R
EXTCLK/XTAL 20
R8842 BUFF
2.8
10k :RN-CP
NC 19 C8829
0.1
R8808
18 16V
IREF
220
B:CHIP
1.0
:RN-CP
NC 17
C8826 0.1 25V F:CHIP
YG_IN 16
R8809
2.4
220
15 R8843
YG_OUT
:RN-CP
0 :CHIP
3.3
V_PH 14
2.4
H_PH 13
C8828 R8847
2.4
C8827
10k
0.47
0.01 :CHIP
10V
25V
B:CHIP
B:CHIP
R8841 R8848
8 9 10 11 12
1k 10k
:CHIP :CHIP
Q8807
2SA1576A-T106
C8822 C8823
BUFF
47 0.1
16V 25V
F:CHIP
C8887 C8886
0.1 0.1
25V 25V
F:CHIP
J(3/5)
(COMPONENT I/F,INPUT TERMINAL)
– 131 –
KP-FS57MM31/M61/M90/M91
RM-997
15
14
+5V
Q8801
BUFF
R8824
100
:CHIP
TO J3/5,J4/5_31
COMP HP
COMP VP TO J3/5,J4/5_32
COMPIS Y
+5V
Q8802
2SC4081-R
R8811
AMP 470
:CHIP
TO J3/5,J4/5_29
Q8805 COMPIS BY
2SA1576A
220 R8825
BUFF 0
:1608
R8807
220
:RN-CP
Q8803
R8812
2SC4081-R 470
AMP :CHIP
COMPIS RY
Q8806
R8826
2SA1576A
0
BUFF :1608
B-SS896<CH.>-J..-P3