Schematic Diagram Of H1 And H2 Boards - Sony KLV-21SG2 Service Manual

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Schematic Diagram of H1 and H2 Boards

1 3
2
A
R1504 R1501
R1503 R1502
2.7k
910 470
1/10W 1/10W 1/10W
1/10W
CHIP
CHIP CHIP CHIP
S1504 S1503 S1502
S1505
B INPUT VOL+ VOL- CH+
H1
(KEY)
C
D
E
F
H1
[KEY]
— H1 BOARD —
<COMPONENT SIDE>
<CONDUCTOR SIDE>
4 5 6
220
C1501
0.1
16V
CN1501
B
3P
1608 WHT
SIGN13
1 KEY1
S1501 SIGN15
2 POWER INT
CH- 3 GND
C1504
0.1 TO B(1/7)BOARD
16V
B CN1008
1608
S1508
POWER
B-SS12805<AEP>-H1.
7 1
2
A
B
Y
AV4
3
S 4 1
C V
4
L
L/G/S/I
4
R
R/D/D/D
D
CN7601
4P
GND
HP-R
HP-L
HP-GND
TO A(2/5)BOARD
E CN7001
F
H2
[HP JACK]
— H2 BOARD —
<COMPONENT SIDE>
<CONDUCTOR SIDE>
3 4 5
R7730
100
1/10W
R7702 CHIP
0
CHIP
C7705
100p R7709
75 R7711 R7713 R7714
50V
220 220 220
CH 1/10W
1/10W 1/10W
CHIP 1/10W
CHIP CHIP
1608 CHIP
R7703
0
CHIP JL9005
J7701
JL7706
C
4
2 JL7707
JL7708
R7731
R7704 R7706 R7708
100
220 220 220
1/10W
1/10W 1/10W 1/10W
CHIP
CHIP CHIP CHIP
JL7701
R7701
D7702
330 1/10W CHIP
UDZS-TE17-9.1B JL7702
C7706
C7701 C7702
1
100p 100p R7705 R7707
10V
50V 330 470k
50V
CH 1/10W F
CH 1/10W
1608
1608 CHIP
1608 CHIP JL7703
C7703 C7704 C7707
R7710
100p 1
100p 470k
50V 10V
50V 1/10W
CH F
CH
CHIP
1608 1608
1608
JL7704
D7703
UDZS-TE17-9.1B
1
JL7601
C7601 C7602 R7601
2
0.022 0.022 10
JL7602 25V
25V 1/10W
3 B B CHIP
JL7603
AUDIO R 1608 1608
4
R760210 1/10W CHIP
AUDIO L
C7604
C7603
100p
100p
50V
50V
CH
CH
1608
1608
H2
(HP JACK)
B-SS12805<AEP>-H2.
6 7
CN7701
10P
WHT
1 C4
2 GND
3 Y4
4 GND
5 V4
6 GND
7 S4
8 LV4
9 RV4
10 A.GND
TO A(5/5)BOARD
CN9403
J7601
JL7604
JL7605
JL7606
JL7607
R7604
0
CHIP
KLV-21SG2 (AEP) 3-25