Sony LBT-A790 Service Manual page 10

Pin No.| Pin Name | 1/0 Funetion
60 KEY-15 T_| Keyscan IN 5
él KEY-I6 1_| Keyscan IN 6
| 62 KEY-I7
I | Keyscan IN 7
=
63 ~ AVDD — | vpp
64 AVREF
| VDD (reference)
_
ei
3-2. CIRCUIT BOARDS LOCATION
VOLTAGE SELECTION board (E, EA, MY, SP, JE)
MAIN board
VIDEO FUNCTION board
AU FUNCTION board
VIDEO 3 board BALANCE board