Table of Contents
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SYSCON PCB OEC0114A (IC1001)
No.
PORT
1
P10
2
AVSS
3
P07/AN7
4
P06/AN6
5
P05/AN5
6
P04/AN4
7
P03/AN3
8
P02/AN2
9
P01/AN1
10
P00/AN0
11
AN-B
12
AN-A
13
AN9
14
AN8
15
AVDD
16
/RESET
17
P74
18
P73
19
P72
20
P71
21
P70
22
VDD
23
AUDIO_FF
24
VIDEO_FF
25
CAP_PWM
26
DRUM_PWM
27
V-PULSE
28
C.ROTARY
29
H.AMP.SW
30
COMP
31
CTL-H(+)
32
CTL-H(-)
33
SV VSS
34
CTL_GAIN_SW
35
CTL_AMP(-)
36
CTL_BIAS
37
CTL_AMP
38
DFG
1-18
IC DESCRIPTIONS
PIN NAME
I/O
NC
OUT
AVSS
-
BOT-H
IN
HI-FI_ENV
IN
PGMM
IN
MS_SEN-B
IN
MS_SEN-A
IN
KEY-B
IN
KEY-A
IN
STEREO_SEL
IN
AFT-S_CURVE
IN
EOT-H
IN
SLOW OFFSET
IN
ENV_DET
IN
AVDD
-
/RESET
IN
GND
IN
IIC CLK
OUT
IIC DATA
OUT/IN DATA terminal for IIC BUS communication.
Y/C CS
OUT
CAP_FULL
OUT
VDD
-
HI-FI H.SW
OUT
H.SW
OUT
CAP_PWM
OUT
DRUM_PWM
OUT
DUMMY_V-SYNC
OUT
C.ROTARY
OUT
H.AMP.SW
OUT
COMP
IN
CTL-H(+)
-
CTL-H(-)
-
SV VSS
-
CTL_GAIN_SW
-
CTL_AMP(-)
-
CTL_BIAS
-
CTL_AMP
OUT
DFG
IN
DESCRIPTION
Not used.
Ground.
Tape start sensor input signal.
Input terminal of HiFi RF envelope.
Input voltage from Variable Resistor of PG SHIFTER.
Input terminal of mecha state sensor.
Main unit key input.
Input terminal for the judgement of voice reception condition.
AFT S CURVE input for tuner.
Tape end sensor input signal.
Terminal for the offset of Slow.
Input terminal of video RF envelope.
ON/OFF control Micon AD section.
RESET will be done when the voltage goes to HIGH after the
reset signal.
Ground.
CLOCK terminal for IIC BUS communication.
Control terminal for Y/C selection.
Output the HIGH during the acceleration force of capstan motor at
SLOW mode.
Power of CPU.
Output terminal of HI-FI Head SW.
Output terminal of Video Head SW.
PWM output of Capastan control.
PWM output of Cylinder control.
Virtual V Pulse output.
Color Rotary Control output.
Switching output of Head Amp SW.
Comparison results input of Playback Envelope level on SP/LP
heads (4 heads).
Input and output terminal of Control Head.
Input terminal of Control Head.
Ground.
Output terminal for gain.
Output terminal for amp control.
Output terminal for bias.
Output terminal for amp out.
Input terminal for DRUM FG signal detection.
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