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VCR PCB OEC0131A (IC1001)
No.
PORT
1
SVSS
2
CTLREF
3
CTL(+)
4
CTL(-)
5
CTLBIAS
6
CTLFB
7
CTLAMP(O)
8
CTLSMT(I)
9
CFG
10
SVCC
11
AFCPC
12
AFCOSC
13
AFCLPF
14
CSYNC/HSYNC
15
VLPF/VSYNC
16
CVIN2
17
CVIN1
18
OSDVCC
19
CVOUT
20
OVSS
21
4/2FSCOUT
22
4/2FSCIN
23
AVSS
24
ANB
25
ANA
26
AN9
27
AN8
28
P07/AN7
29
P06/AN6
30
P05/AN5
31
P04/AN4
32
P03/AN3
33
P02/AN2
34
P01/AN1
35
P00/AN0
36
AVCC
37
P10/IRQ0
38
P11/IRQ1
39
P12/IRQ2
40
P13/IRQ3
1-16
IC DESCRIPTIONS
PIN NAME
I/O
SVSS
-
CTLREF
CTL(+)
CTL(-)
CTLBIAS
CTLFB
CTLAMP(O)
CTLSMT(I)
CAP FG
SVCC
AFCPC
AFCOSC
AFCLPF
CSYNC
OUT
VSYNC
IN
CVIN2
IN
CVIN1
IN
OSDVCC
-
CVOUT
OUT
OVSS
-
4/2FSCOUT
OUT
4/2FSCIN
IN
AVSS
-
PG
IN
AFT S.CURVE
IN
EOT-H
IN
ST SELECT
IN
HIFI ENV
IN
BOT-H
IN
V ENV
IN
MS SEN-B
IN
MS SEN-A
IN
KEY-B
IN
KEY-A
IN
SLOW OFFSET
IN
AVCC
-
POWER FAIL
IN
SP-L
OUT
REEL-S
IN
REEL-T
IN
DESCRIPTION
Ground.
Output terminal for CTL amp REF (1/2 SVCC)
Input and output terminal of Control Head.
Input terminal of Control Head.
Output terminal for bias.
Input terminal for CTL feedback
Output terminal for amp out.
Input terminal for CTL shumit amp .
Input terminal for CAPSTAN FG signal detection.
+ 5V (Servo)
AFC oscilator (external circuit).
AFC oscilator (external circuit).
LPF connection for AFC OSC.
Output terminal for composite SYNC.
Input terminal for composite SYNC.(from 14pin)
Composite Video input terminal.(for data slicer)
Composite Video input terminal.(for OSD)
+ 5V
Composite Video output.(with OSD)
Ground.
4 FSC pulse.
4 FSC pulse.
Ground.
Input voltage from Variable Resistor of PG SHIFTER.
AFT S CURVE input for tuner.
Tape end sensor input signal.
Input terminal for the judgement of voice reception condition.
Input terminal of HiFi RF envelope.
Tape start sensor input signal.
Input terminal of video RF envelope.
Input terminal of mecha state sensor.
Main unit key input.
Terminal for the offset of Slow.
+ 5V
Input terminal of Power fail signal.
Tape speed SP mode at the time of LOW.
Input terminal of reel sensor supply.
Input terminal of reel sensor take up.
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