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No Terminal Name I/O
22 NC
O Low fix.
23 ABS_NORMAL
I
24 D.A.REC(H)
O
25 PAL 9H (H)
O PAL 9H: High is output.
26 BIAS(H)
O
27 STAB(L)
I
28 FM_MUTE
O
29 SW1
O
30 POS.SW4
I
31 POS.SW3
I
32 POS.SW2
I
33 POS.SW1
I
34 RESET
I RESET Terminal.
35 32KHz.IN
I Sub clock (32.768KHz) osc. input terminal.
36 32KHz.OUT
O Sub clock (32.768KHz) osc. output terminal
37 5V(D)
- VCC (5V) for Digital port
38 12MHz.IN
I Main clock (12MHz) osc. input terminal.
39 12MHz.OUT
O Main clock (12MHz) osc. output terminal.
40 GND(OSC)
- Digital GND for OSC circuit.
41 PAL PB (L)
O
Enforced Normal selection signal and Audio Automatic Adjustment Trigger Input
Terminal
*To turn audio into normal: Low
(During ADUBPS, HiFi Audio envelope deterioration)
*Others: High
Recording on/off control signal terminal for Linear audio.
1.When recording linear audio, take IC3001 D33, BIAS (H) and timing as below.
*During Initial recording, at about same timing for D33=0
*When finished recording, BIAS (H)=H
2.Other than above, Output=Low
Linear Audio recording/ erasing On/ Off control terminal.
1.When recording Linear Audio, at about same timing of D33, Output=Low.
Output mode: REC, A. DUB, AV_INSERT
*When initiating recording D. A. REC (H)=L
*When completing recording (Without delay) Output=Low
2.Wnen erasing TAPE REFRESH, Output=HIgh
3.Other than above, Output=Low
4.When models without DUB, can control ERASE ON/OFF.
SAFETY TAB DETECTION
*With SAFETY TAB: "Low"
*Without SAFETY TAB:"High"
Audio mute control terminal.
High output (AUDIO MUTE).
The voltage is shifted to Hi-Z for reucing the current at 3 second after the power has
been turned on .
AUDIO SYSTEM (TUNER PRESET)=BG, I: High output
AUDIO SYSTEM (TUNER PRESET)=DK, M: Low output
Input terminal for mechanism position.
SW4 SW3 SW2 SW1 Position Name
1
1
1
0
0
1
0
0
1
0
1
0
0
1
0
0
1
1
0
1
1
1
0
0
1
0
0
1
1
0
1
1
1
1
1
1
3.58NTSC (D6=0, D7=0 both of IC3001): High output
Other than above
Description
1, Bias=High.
L, after 140+-10msec, set to Low.
H, after 140+-10msec set to High.
0
EJECT Position
0
DOWN Position
1
R-REW Position
0
LOAD Position
1
REV Position
0
PLAY Position
1
P_OFF Position
0
STOP_R Position
1
STOP_F Position
0
FF/REW Position
0
FF2 Position
Intermediate Positions
1
between each
Positions
: Low output
Reset/
P.OFF
P.Failure
Release
Low
Low
In
In
Low
Low
Low
Low
Low
Low
In
In
Hi-Z
In
Low
Low
In
In
In
In
In
In
In
In
In
In
In
In
Out
Out
-
-
In
In
Out
Out
-
-
Low
Low
Low
In
Low
Low
Low
In
In
Low
In
In
In
In
In
In
Out
-
In
Out
-
Low
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