Schematic Diagram Of J (2/5) Board - Sony KP-48PS2 Service Manual

(25)

Schematic Diagram of J (2/5) Board

1 2 3
A
B
Q8904
2SC2412K
BUFF
R8986 3.7
4.7k
:CHIP
C CN8902
21P(ORG)
R8947 R8953
C8929
390 270
47
AV3
:CHIP :CHIP 16V
AUDIO
C8909
R8950 C8930
(R)
0.0047 2.2
R8948 47k R8954
B:CHIP
16V
1k :CHIP 2.2k
RIGHT OUT 1
F:CHIP UDZ-12B
:CHIP :CHIP
RIGHT IN 2
AUDIO(R)
C8908 R8952
LEFT OUT 3
100p
470k R8964
AUDIO C8931 UDZ-12B
CH:CHIP :CHIP
270
GND 4 47
(L) :CHIP
16V
GND 5
R8955 C8911
R8958
LEFT IN 6 390 C8932
0.0047 47k
R8965
D :CHIP B:CHIP 2.2 D8932
AUDIO :CHIP 2.2k
16V
NC 7 UDZ-12B
:CHIP
F:CHIP
(L)
MODE 8
C8910 R8963 D8933
R8956
GND 9
1k 100p 470k UDZ-12B
CH:CHIP
:CHIP :CHIP
NC 10
NC 11
R8957 D8912
R8962
NC 12
100 UDZ-12B
8.2k
:CHIP
:CHIP
GND 13
R8960
GND 14
C 47 :CHIP
C IN 15
R8959 D8913
NC 16 75
UDZ-12B
E :CHIP
GND 17
R8961
GND 18 75
VIDEO
:CHIP
VIDEO OUT 19
D8914
VIDEO IN 20
R8969 UDZ-12B
47 :CHIP
GND 21
R8968
VIDEO/Y
75 D8915
:CHIP UDZ-12B
CH:CHIP
J8901
2P
VARIABLE OUT
F
R8966
C8912 R8972
330 R8987
680
0.001 47k
:CHIP 0
:CHIP
B:CHIP :CHIP
R
0
AUDIO(R)
R8967 Q8905 R8973
330 2SC2412K 680
:CHIP
:CHIP
0 MUTE
L
C8913 0
AUDIO(L)
D8918
0.001
B:CHIP
R8988 UDZ-6.8B
47k
:CHIP
Q8906
D8919
2SC2412K
UDZ-6.8B
G
MUTE
VIDEO/Y
Y 1
R8470
R8469 D8450
GND 2 75
47
:CHIP UDZ-12B
:CHIP
C 3
R8475
R8474
75
GND 4 47
:CHIP :CHIP
V 5 C8919
R8996 R8975
D8451 2.2
1k 2.2k
GND 6 UDZ-12B 16V
:CHIP :CHIP AUDIO(L)
F:CHIP
L 7
C8917
R8974 D8916
100p 470k
GND 8
UDZ-12B
CH:CHIP :CHIP
R 9
C8920
AUDIO(R)
R8997 2.2 16V F:CHIP
GND 10
H
1k
:CHIP
NC 11 R8976
C8918 R8977
D8917
470k
100p 2.2k :CHIP
:CHIP UDZ-12B
CH:CHIP
CN8903
11P
RED-L
:S-MICRO
TO H3 BOARD
CN3001
I
J
4 5 6
+9V
Q8903
2SC2412K
BUFF
4.4
4.4
R8985
4.7k
:CHIP
MAIN-R-OUT
D8930
R-IN(10)
D8931
L-IN(12)
MODE-4(3)
Q8801
R8809
2SC2412K
33k
:CHIP
BUFF
R8812
4.4
330
:CHIP
Q8804
AV4(4)
2SC2412K C8805 L8801
3.8 120p 18µH
AMP
R8804 CH:CHIP :CHIP
3.8
220
VIDEO
R8810 :CHIP 1.9
47k
:CHIP
C8806
82p
1.3
CH:CHIP
C8823 R8801 R8805 Q8805
100
270 2.7k
BSS83
16V
AV4(3) :CHIP :CHIP
DL SW
1.3
C8935
39p R8813
330
:CHIP
C8807
82p
CH:CHIP
R8815
1k
:CHIP
D8920
UDZ-6.8B
AUDIO(R)
AUDIO(L)
D8921
UDZ-6.8B
AUDIO(R)
VAR-R-OUT
AUDIO(L) TO J(4/5)
VAR-L-OUT
VIDEO/Y
C
AV3-L
AV3-R
7
8 9
Q8809
L8804 R8827
2SC2412K
10µH 0
:LB2016 :CHIP BUFF
R8854
4.2
33k :CHIP
R8826
0
3.5
:CHIP
R8853
47k
R8828
:CHIP
150 :CHIP
R8831
180
C8824
:CHIP
100
16V
VIDEO
R8834
R8832
330 :CHIP 1.8k :CHIP
C8815 L8802
R8840
L8805 120p 18µH
3.8
+ANA5V 10µH CH:CHIP :CHIP
:CHIP
:LB2016
1.8
+ANA 5V
R8816
R8823
10k
5.0 1.2k R8833 C8816
:CHIP
:CHIP
0 82p
:CHIP CH:CHIP
C8811 C8812 Q8812
0.01 47 1.2
BSS83
B:CHIP 25V
DL SW
C8818 10p CH:CHIP
1.9
Q8810
2SC2412K C8817
Q8807
1.3 AMP 82p
2SA1037AK
CH:CHIP
BUFF
R8835 R8838
C8808
R8821 330 1k
10p
100 :CHIP :CHIP
CH:CHIP
:CHIP
R8818
430
:RN-CP
R8301 100 :CHIP
SCP.M TO J(3/5) TO J
(4/5)
– 65 –
10 11 12
J
(2/5)
(VIDEO BUFFER)
TO J2/5,J4/5_10
TO J2/5,J4/5_11
+9V
Q8811
2SC2412K
BUFF
C8819
C8825
C8814 0.22
100
100 R8836 25V
16V
47k
16V B:CHIP
:BP :CHIP
R8851
0
2.4 1.8 :CHIP V-OUT(2)
R8837 TO J2/5,J4/5_12
18k
:CHIP R8839
VIDEO
2.2k
:CHIP
C8820 C8821
47
0.01
B:CHIP 25V
VIDEO
L8806
10µH
R8843
10k :LB2016
5.0 1.2k
:CHIP
R8845
470
Q8814
:CHIP
2SC2412K
8.1
AMP
1.1 1.8
1.8
Q8813
Q8815
2SA1037AK
BUFF R8844 2SA1037AK
0 AMP
1.1
:CHIP
1.2
R8842
R8846
100 R8847
470
:CHIP 470 :CHIP
R8841 :CHIP
430
:RN-CP
VIDEO
TO J2/5,J4/5_13
VIDEO
TO J2/5,J4/5_14
TO J2/5,J4/5_15
TO J2/5,J4/5_16
TO J2/5,J4/5_17
TO J2/5,J4/5_18
TO J2/5,J4/5_19
TO J2/5,J4/5_20
TO J
(1/5,3/5,4/5)
HP-MUTE TO J(2/5,4/5)
L8102
AUDIO L8101
CN8101
50P
GRY
:BTOB-P
TO A(2/3)BOARD
CN1801
KP-48PS2/61PS2
K
RM-903
14
13
B-SS624.<AEP>-J..-P2-05
TB8101
CENTER SP IN