![background image](http://html.mh-extra.com/html/sony/hcd-rg190/hcd-rg190_service-manual_420841073.webp)
73
HCD-RG190/RG290
Pin No.
Pin Name
I/O
Description
1
VDD1
-
Power supply terminal (+3.3V)
2
VSS1
-
Ground terminal
3
X1
I
System clock input terminal (4.19 MHz)
4
X2
O
System clock output terminal (4.19 MHz)
5
IC
I
Input terminal for the IC test Normally: fixed at "L"
6
XRESET
I
System reset signal input from the system controller "L": reset
7
SCK1
I
Serial data transfer clock signal input from the system controller
8
SI1
I
Serial data input from the system controller
9
SO1
O
Serial data output to the system controller
10
I-VOL A
I
Jog dial pulse input from the rotary encoder (VOLUME) (A phase input)
11
I-VOL B
I
Jog dial pulse input from the rotary encoder (VOLUME) (B phase input)
12
I-JOG A
I
Jog dial pulse input from the rotary encoder (multi jog) (A phase input)
13
I-JOG A
I
Jog dial pulse input from the rotary encoder (multi jog) (B phase input)
14, 15
NC
I
Not used
16
CE
I
Chip select signal input from the system controller
17
I-MODEL
I
Destination setting terminal
18
AVSS
-
Ground terminal
19 to 21
KEY1 to KEY3
I
Front panel key input terminal (A/D input)
22
KEY4
I
Key input terminal Not used
23
VSS0
-
Ground terminal
24
AVDD
-
Power supply terminal (+5V)
25
VDD0
-
Power supply terminal (+5V)
26
NC
I
Not used
27
I-HALF-B
I
Deck-B cassette detection signal input from the tape mechanism deck block "L": cassette in
28
I-REEL-B
I
Deck-B tape reel rotating detection signal input from the tape mechanism deck block
29
I-REC-SW
I
Recording-proof detection signal input from the tape mechanism deck block
"L": recording possible
30
I-HALF-A
I
Deck-A cassette detection signal input from the tape mechanism deck block "L": cassette in
31
I-REEL-A
I
Deck-A tape reel rotating detection signal input from the tape mechanism deck block
32
NC
I
Not used
33
O-MOTOR
O
Capstan/reel motor drive signal output terminal "H": motor on
34
O-SOL-A
O
Deck-A side trigger plunger drive signal output terminal "H": plunger on
35
O-SOL-B
O
Deck-B side trigger plunger drive signal output terminal "H": plunger on
36
O-TCM-SYNC
O
Sync signal output to the system controller
37
SW LED
O
LED rive signal output of the SUBWOOFER indicator Not used
38
NC
I
Not used
39 to 43
STREAM LED1 to
STREAM LED5
O
LED rive signal output of the stream indicator "H": LED on
44
NC
I
Not used
45 to 58
S1 to S14
O
Segment drive signal output to the fluorescent indicator tube
59
VDD2
-
Power supply terminal (+5V)
60
VLOD
-
Power supply terminal (-27V)
61 to 67
S15 to S21
O
Segment drive signal output to the fluorescent indicator tube
68 to 80
G13 to G11
O
Grid drive signal output to the fluorescent indicator tube
PANEL BOARD IC701 uPD780232GC-509-8BT-A
(FLUORESCENT INDICATOR TUBE/LED DRIVER, TAPE MECHANISM DECK CONTROLLER)
Summary of Contents for HCD-RG190
Page 20: ...20 HCD RG190 RG290 MEMO ...
Page 125: ...19 HCD RG190 RG290 MEMO ...