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No. Port Name
I/O
21
ROTARY.SW
22
H.A.SW
23
ENVE.SELECT
24
VIDEO.H.SW
25
A.H.SW
26
A.DEF(H)
27
PROG.ON(H)
28
AVPB-H(L)
29
AVPB-M(H)
30
GND(D)
31
20MHz.IN
32
20MHz.OUT
33
+5V(D)
34
32KHz IN
35
32KHz OUT
36
VCONT
37
V EE(L)
38
D REC(H)
39
D.A.REC(H)
40
BIAS(L)
41
FM.MUTE(H)
42
FULL ERASE(H)
43
POWER_KEY
44
POS.SW3
45
POS.SW2
46
POS.SW1
47
POWER OFF(H)
48
FIP(L)
49
P50 IN
50
LC.OSC IN
O Output terminal for rotary switch.
O Output terminal for HEAD AMP switch.
I Input terminal for enverope selection.
O Output terminal for video HEAD switch.
O Output terminal for FM audio HEAD switch.
Audio Mute output terminal for tuner and decoder.
O
[High]...........During VCR mode is NORMAL PLAY and VV mode.
I/O control to switch IIC bus for LW-programmer.
O
H:IIC bus is connected to AV2.
L:IIC bus is not connected to AV2.
"PB-(H)"output terminal for AV2
*Details, refer to 21pin control specifications.
*The signal output from Pin-8 of 21pin terminal is shown below.
Name
AVPB-H(L)
pin8
O
High
Middle
Low
O
-- GND
I Main oscillator input
O Main oscillator output
I 5V input terminal
I Sub oscillator input
O Sub oscillator output
I Video Control
O Output terminal for switch between EE and VV.
O Output terminal for video recording current control.
O Control terminal for normal audio recording current.
Bias oscillation Control terminal for Linear audio recording current.
D.A.REC(H)
O
BIAS(L)
O Output terminal for audio mute control.
O Output terminal for control FULL ERASE HEAD.
Input terminal for the unit power button.
I
It switches ON to OFF and/or OFF to ON when down edge is detected.
I Input terminal for mecha position.
I Input terminal for mecha position.
I Input terminal for mecha position.
ON/OFF Control terminal for power circuit.
O
Power off condition: "High" is existed.
("Low" is existed when the mechanism and/or circuit operation is activated.)
Output terminal for FIP on/off control signal.
O
("Low" is existed when the power off condition under the "FIP OFF" setting.)
I Input terminal for Project 50 serial signal.
I The oscillation input terminal for OSD dot clock.
Description
AVPBM-(H)
Hi-Z
L
H
Hi-Z
L
H
140mS
140mS
P-OFF
P-Save
P-FAIL Reset
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
High
High
Low
High
Low
Low
Low
Low
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STOP STOP ---
---
STOP STOP ---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
High
Hi-Z
Hi-Z
High
High
High
Low
High
Low
Low
Low
Low
In
In
In
In
In
In
In
In
In
In
In
In
In
In
In
In
High
High
Low
High
Not fix High
Low
Low
In
In
In
In
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