IC DESCRIPTION
OEC7041A (IC1001)
Pin No.
Pin Name
I/O
DESCRIPTION
1
MSSEN-A
I
Input terminal of mecha state sensor.
2
MSSEN-B
I
3
EOT
I
Tape end sensor input signal.
4
BOT
I
Tape start sensor input signal.
5
HI-FI-ENV
I
Input terminal of HiFi RF envelope.
6
VIDEO-ENV
I
Input terminal of video RF envelope.
7
AFT(MONI)
I
Input terminal of AFT.
8
AFT(REC)
I
Not used.
9
KEY A
I
Main unit key input.
10
KEY B
I
11
CAP-FWD
O Capstan forward and backward command.(forward "L" output)
12
CAP-LIMIT
O Switch the maximum output current of the Capstan Motor.
13
DUMMY-V.SYNC
O Virtual V Pulse output.
14
REMOCON-IN
I
Receive the remote control signal.
15
COLOR ROTARY
O Color Rotary Control output.
16
HEAD.AMP.SW
O Switching output of Head Amp SW on 4 heads.
17
ENV-CMP-IN
I
Comparison results input of Playback Envelope level ON SP/LP heads(4heads).
18
VIDEO-H.SW
O Output terminal of Head SW to Y/C/A and Head Amp.
19
HI-FI-H.SW
O Output terminal of audio Head SW to Y/C/A and Head Amp.
20
LDM-RVS
O Output signal to control the rotation direction of the loading motor.
21
LDM-FWD
O
22
TRICK-PB-H
O Special effect playback.(CUE/REVIEW/STILL/SLOW etc)
23
MSSENS-CTL
O MSSEN sensor LED.
24
CAP-HI H
O Power of Capstan Motor select.
25
PLAY LED
O PLAY indication LED output.
26
EXT-MUTE
O Mute signal of external video mute.
27
VCR-POWER
O VCR power output.
28
TV-POWER
O TV power output.
29
T-REC LED
O T-REC indication LED output.
30
REC LED
O REC indication LED output.
31
ON-TIMER LED
O ON-TIMER indication LED output.
32
OTPB LED
O OTPB indication LED output.
33
AKB CTL
O "H" is output at the time of AKB white adjustment.
34
RESET-L
I
RESET will be done when the voltage goes to HIGH after the reset signal.
35
XC_IN(32kHz)
I
Subclock pulse.(32kHz)
36
XC_OUT(32kHz)
O
37
VCC
-
5V
38
X-IN(12MHz)
I
Connect the main crystal.(10MHz)
39
X-OUT(12MHz)
O
40
VSS
-
Ground.
41
AV1
O Not used.
42
AV2
O Not used.
43
CLKSEL
I
5V
44
OSC-IN2
I
Condenser connection for OSC-IN2.
F1-1