Sony HCD-RV990D Service Manual page 119

• IC101 µPD780232GC-081-8BT (SYSTEM CONTROL, FL DRIVER) (PANEL Board)
Pin No. Pin Name
1 VDD
2 VSS
3 X1
4 X2
5 IC
6 RESET
7 S-CLK
8 S-IN
9 S-OUT
10 to 15 NC
16 VOL-A
17 VOL-B
18 AVSS
19 NC
20 to 22 KEY2 to KEY0
23 VSS
24 AVDD
25 VDD
26 DVD-LED
27 TUNER-LED
28 TAPE-LED
29 MD-LED
30 GAME-LED
31 to 36 PS1-LED to PS6-LED
37 MULTI-LED
38 to 44 NC
45 to 58 S1 to S14
59 VDD
60 V.LOAD
61 to 67 S15 to S21
68 to 80 G1 to G13
I/O
— Power supply pin (+5 V)
— Ground
I System clock signal input (5 MHz)
I System clock signal input (5 MHz)
I Directly connect to ground.
I Reset signal input (active L)
I Serial clock signal input
I Serial in signal input
O Serial out signal output
O Not used (Open)
I VOLUME encoder in A signal input
I VOLUME encoder in B signal input
— Analog ground
I Not used (Connect to ground)
— Key in signal input
— Ground
— Analog power supply pin (+5 V)
— Power supply pin (+5 V)
O DVD LED ON/OFF select signal output (L: OFF, H: ON)
O TUNER/BAND LED ON/OFF select signal output (L: OFF, H: ON)
O TAPE A/B LED ON/OFF select signal output (L: OFF, H: ON)
O MD (VIDEO) LED ON/OFF select signal output (L: OFF, H: ON)
O GAME LED ON/OFF select signal output (L: OFF, H: ON)
O Power stream LEDs ON/OFF control signal output (L: OFF, H: ON)
O MULTI CHANNEL DECODING LED ON/OFF select signal output (L: OFF, H: ON)
O Not used (Open)
O FL segment control signal output (L: OFF, H: ON)
— Power supply pin (+5 V)
— V.LOAD
FL segment control signal output (L: OFF, H: ON)
FL grid control signal output (L: OFF, H: ON)
HCD-RV660D/RV990D
Pin Description
31