IC DESCRIPTIONS
OEC0078C (IC1006)
No.
PORT
PIN NAME
I/O
DESCRIPTION
1
CTL(+)
CTL(+)
I/O Input and output terminal of Control Head.
2
SVSS
SVSS
—
Ground.
3
CTL(-)
CTL(-)
I/O Input terminal of Control Head.
4
CTLBIAS
CTLBIAS
IN
Input terminal for Control Bias.
5
CTLFB
CTLFB
IN
Input terminal for Control Feedback.
6
CTLAMP(O)
CTLAMP(O)
OUT Output terminal for Control Amp Output.
7
CTLSMT(I)
CTLSMT(I)
IN
Input terminal for Control SMT Input.
8
CFG
CFG
IN
Input terminal for Capstan FG input.
9
SVCC
SVCC
—
P.CON +5 V.
10
AVCC
AVCC
—
AT +5 V.
11
AN0
Hi-Fi_ENV
IN
Input terminal of HIFI sound envelope signal.
12
AN1
KEY_A
IN
Main unit key input.
13
AN2
KEY_B
IN
14
AN3
MSSEN_B
IN
Input terminal of mecha state sensor.
15
AN4
MSSEN_A
IN
16
AN5
AFT.S.CURVE
IN
AFT S.CURVE input for tuner.
17
AN6
EOT
IN
Tape end sensor input signal.
18
AN7
BOT
IN
Tape start sensor input signal.
19
AN8
VIDEO_ENV
IN
Input terminal of Video RF envelope.
20
AN9
DEW
IN
Input terminal of Dew sensor
21
ANA
TUNER AGC
IN
Input terminal of Electric field strength for Auto setup.
22
ANB
MESECAM-H
IN
Input terminal of MESECAM or NOT
23
AVSS
AVSS
—
Ground.
24
P50
FF/REW-L
OUT Not used.
25
P51
LDM_RVS
OUT Output signal to control the rotation direction of the loading motor.
26
P52
LDM_FWD
OUT
27
P53
AKB CTL
OUT Output signal to Adjustment of AKB WHITE
28
P40
DA RGB SW
OUT Output signal to cut of RGB sync
29
P41
SECAM-H
OUT Output signal of SECAM or NOT
30
P42
-
—
Not used.
31
P43
REEL-T
IN
Input terminal of reel sensor TAKE UP.
32
P44
REEL-S
IN
Input terminal of reel sensor SUPPLY.
33
P45
CAP_MID-H
OUT Output terminal for capstan speed medium.
34
P46
CAP_HI-H
OUT Output terminal for capstan speed high.
35
P46
TV POWER_ON-H
OUT For control of the user TV-power switch ON/OFF.
36
P30
VCR POWER_ON-H OUT For control of the user VCR-power switch ON/OFF.
37
P31
VV-H
OUT Output terminal for select Playback/Recording at the circuit of sound.
38
P32
CAP_LIMIT3
OUT Switch the maximum out put current of the CAPSTAN Motor
39
P33
IIC OFF
IN
Input signal to Communications of all the terminals are cut(for Factory adjustment)
40
P34
PICTURE_CONTROL OUT Not used.
41
P35
CENT_LED
OUT Output terminal for center LED control.
42
P36
CTL_MONITOR
OUT Output terminal for control Monitor.
F1-1
