Sony KLV-21SG2 Service Manual page 26

A1
[INPUT TERMINAL, AV SW, AUDIO CONTROL, AUDIO OUTPUT, POWER SUPPLY]
— A1 BOARD —
1 2
A
B
C
<COMPONENT SIDE>
1 2
A
B
C
<CONDUCTOR SIDE>
3 4
3 4
KLV-21SG2 (UC) 3-14