1-25
IC DESCRIPTIONS
OEC0138A (IC3001)
No.
PORT
PIN NAME
I/O
DESCRIPRION
1
SVSS
SVSS
-
Ground.
2
CTL_REF
CTL_REF
Output terminal for CTL amp REF (1/2 SVCC)
3
CTL-H(+)
CTL-H(+)
Input and output terminal of Control Head.
4
CTL-H(-)
CTL-H(-)
Input terminal of Control Head.
5
CTL_BIAS
CTL_BIAS
Output terminal for bias.
6
CTL_FB
CTL_FB
Input terminal for CTL feedback
7
CTL_AMP(O)
CTL_AMP(O)
Output terminal for amp out.
8
CTL_AMP(I)
CTL_AMP(I)
Input terminal for CTL shumit amp .
9
CFG
CFG
Input terminal for CAPSTAN FG signal detection.
10
SVCC
SVCC
+ 5V (Servo)
11
AFC_PC
AFC_PC
AFC oscilator (external circuit).
12
AFC_OSC
AFC_OSC
AFC oscilator (external circuit).
13
AFC_LPF
AFC_LPF
LPF connection for AFC OSC.
14
CSYN/HSYN
CSYNC
OUT Output terminal for composite SYNC.
15
VLPF/VSYN
VSYNC
IN
Input terminal for composite SYNC.(from 14pin)
16
CV_IN2
CV_IN2
IN
Composite Video input terminal.(for data slicer)
17
CV_IN1
CV_IN1
IN
Composite Video input terminal.(for OSD)
18
OSD VCC
OSDVCC
-
+ 5V
19
CV_OUT
CV_OUT
OUT Composite Video output.(with OSD)
20
OSD_VSS
OSD_VSS
-
Ground.
21
4/2 FSC_OUT
4/2 FSC_OUT
OUT 4 FSC pulse.
22
4/2 FSC_IN
4/2 FSC_IN
IN
4 FSC pulse.
23
AVSS
AVSS
-
Ground.
24
AN-B
VIDEO_ENV
IN
Input terminal of video RF envelope.
25
AN-A
BOT-H
IN
Tape start sensor input signal.
26
AN-9
EOT-H
IN
Tape end sensor input signal.
27
AN8
MS_SEN-B
IN
Input terminal of mecha state sensor.
28
P07/AN7
MS_SEN-A
IN
29
P06/AN6
KEY-B
IN
Main unit key input.
30
P05/AN5
KEY-A
IN
31
P04/AN4
STEREO_SEL
IN
Input terminal for the judgement of voice reception condition.
32
P03/AN3
HI-FI_ENV
IN
Input terminal of HiFi RF envelope.
33
P02/AN2
AFT-S_CURVE
IN
AFT S CURVE input for tuner.
34
P01/AN1
SERVICE
IN
Input terminal for Service Mode.
35
P00/AN0
TAB SW
IN
Input terminal for judge the tape if it has TAB or not.
36
AVCC
AVCC
-
ON/OFF control Micon AD section.
37
P10/IRQ0
POWER_FAIL
IN
Input terminal of Power fail signal.
38
P11/IRQ1
REEL-S
IN
Input terminal of reel sensor supply.
39
P12/IRQ2
REEL-T
IN
Input terminal of reel sensor take up.
