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Pin
IN/
Signal
No.
OUT
Name
68 OUT DRV-DATA
VFD Driver IC Control Data
VFD Driver IC Chip Select
69 OUT DRV-STB
Signal
70 OUT DRV-CLK
VFD Driver IC Control Clock
71 OUT IIC-BUS-
IIC BUS Control Clock
SCL
IN/
IIC-BUS-
72
IIC BUS Control Data
OUT
SDA
73
-
NU
Not Used
74
-
NU
Not Used
75 OUT P-ON-H
76 OUT C-CONT
Capstan Motor Control Signal
77 OUT D-CONT
Drum Motor Control Signal
Capstan Motor FWD/REV
78 OUT C-F/R
Control Signal (FWD="L"/
REV="H")
79
IN S-REEL
Supply Reel Rotation Signal
80
IN T-REEL
Take Up Reel Rotation Signal
81 OUT LM-FWD/
Loading Motor Control Signal
REV
82
-
NU
Not Used
VCR-
Audio Mute Control Signal
83 OUT
AUDIO-
(Mute = "H")
MUTE
84
-
NU
Not Used
85
-
NU
Not Used
86
-
NU
Not Used
Capstan Motor Rotation
87
IN C-FG
Detection Pulse
88
-
AMPVss
AMPVss
89
-
GND
GND
Drum Motor Phase/
90
IN D-PFG
Frequency Generator
AMPVREF
91
-
V-Ref for CTL AMP
out
AMPVREF
92
-
V-Ref for CTL AMP
in
93
-
P80/C
P80/C Terminal
IN/
Playback/Record Control
94
CTL (-)
Signal (-)
OUT
IN/
Playback/Record Control
95
CTL (+)
Signal (+)
OUT
CTL AMP Connected
96
-
AMPC
Terminal
To Monitor for CTL AMP
97
-
CTL
Output
98
-
AMPVcc
AMPVcc
A/D Converter Power Input/
99
-
AVcc
Standard Voltage Input
100
-
NU
Not Used
Function
Power On Signal to High
Notes:
Abbreviation for Active Level:
PWM -----Pulse Wide Modulation
A/D--------Analog - Digital Converter
IC612 (FRONT PANEL CONTROL)
Pin
IN/
Signal
No.
OUT
Name
1
IN CLK
2
IN STB
3
-
NU
4
-
NU
5
-
VSS
6
-
VDD
7
OUT a
8
OUT b
9
OUT c
10 OUT d
11 OUT e
12 OUT f
13 OUT g
14 OUT h
15
-
VEE
16 OUT i
17
7G
18
6G
19
5G
20
OUT
4G
21
3G
22
2G
23
1G
24
-
VDD
25
-
VSS
26
IN OSC
27
-
NU
28
IN DIN
1-16-2
Function
Clock Input
Serial Interface Strobe
Not Used
Not Used
GND
Power Supply
Segment Output
Pull Down Level
Segment Output
Grid Output
Power Supply
GND
Oscillator Input
Not Used
Serial Data Input
E434GPIN
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