Sony HCD-RG490 Service Manual page 77

PANEL BOARD IC701 uPD780232GC-509-8BT-A
(FLUORESCENT INDICATOR TUBE/LED DRIVER, TAPE MECHANISM DECK CONTROLLER)
Pin No. Pin Name
1 VDD1
2 VSS1
3 X1
4 X2
5 IC
6 XRESET
7 SCK1
8 SI1
9 SO1
10 I-VOL A
11 I-VOL B
12 I-JOG A
13 I-JOG A
14, 15
NC
16
CE
17 I-MODEL
18 AVSS
19 to 22 KEY1 to KEY4
23 VSS0
24 AVDD
25 VDD0
26 NC
27 I-HALF-B
28 I-REEL-B
29 I-REC-SW
30 I-HALF-A
31 I-REEL-A
32
NC
33
O-MOTOR
34 O-SOL-A
35 O-SOL-B
36 O-TCM-SYNC
37 SW LED
38
NC
STREAM LED1 to
39 to 43
STREAM LED5
44 NC
45 to 58
S1 to S14
59 VDD2
60 VLOD
61 to 67 S15 to S21
68 to 80
G13 to G11
I/O
-
Power supply terminal (+3.3V)
- Ground terminal
I System clock input terminal (4.19 MHz)
O
System clock output terminal (4.19 MHz)
I
Input terminal for the IC test Normally: fixed at "L"
I System reset signal input from the system controller "L": reset
I Serial data transfer clock signal input from the system controller
I Serial data input from the system controller
O Serial data output to the system controller
I
Jog dial pulse input from the rotary encoder (VOLUME) (A phase input)
I
Jog dial pulse input from the rotary encoder (VOLUME) (B phase input)
I
Jog dial pulse input from the rotary encoder (multi jog) (A phase input)
I
Jog dial pulse input from the rotary encoder (multi jog) (B phase input)
Not used
I
Chip select signal input from the system controller
I
Destination setting terminal
I
- Ground terminal
I Front panel key input terminal (A/D input)
- Ground terminal
- Power supply terminal (+5V)
- Power supply terminal (+5V)
Not used
I
I Deck-B cassette detection signal input from the tape mechanism deck block "L": cassette in
I Deck-B tape reel rotating detection signal input from the tape mechanism deck block
Recording-proof detection signal input from the tape mechanism deck block
I
"L": recording possible
I Deck-A cassette detection signal input from the tape mechanism deck block "L": cassette in
I Deck-A tape reel rotating detection signal input from the tape mechanism deck block
Not used
I
O Capstan/reel motor drive signal output terminal "H": motor on
O Deck-A side trigger plunger drive signal output terminal "H": plunger on
O Deck-B side trigger plunger drive signal output terminal "H": plunger on
O Sync signal output to the system controller
O LED rive signal output of the SUBWOOFER indicator "H": LED on
Not used
I
O LED rive signal output of the stream indicator "H": LED on
I Not used
O
Segment drive signal output to the fluorescent indicator tube
- Power supply terminal (+5V)
-
Power supply terminal (-27V)
O Segment drive signal output to the fluorescent indicator tube
O
Grid drive signal output to the fluorescent indicator tube
HCD-RG490/RG590
Description
77