Ic descriptions – Aiwa HV-FX5100 User Manual
Page 52
IC DESCRIPTIONS
OEC7035A
Pin No.
Pin Name
I/O
Description
1
AFT-SC
I
AFT S Curve input for tuner.
2
AGC-DET
I
Input of CASS DOWN, TAB switch and setting of service mode.
3
EOT
I
Tape end sensor input signal.
4
BOT
I
Tape start sensor input signal.
5
RF SW/A-ENV
I
Ground.
6
V-ENV
I
Input terminal of video RF envelope.
7
KEY-A
I
Key A input.
8
KEY-B
I
Key B input.
9
MSSW A
O Input terminal (A) of mecha state sensor.
10
MSSW B
O Input terminal (B) of mecha state sensor.
11
CAP FWD
O Capstan forward and backward command.
12
CAP LIMIT
O Switch the maximum output current of the Capstan Motor.
13
D.V SYNC
O Imitative V-SYNC signal output during the special playback.
14
REMOCON
I
Input the infrared remote control.
15
NC
O Not used.
16
NC
O Not used.
17
NC
I
Not used.
18
V.HEAD SW
O Output terminal of Head Switch.
19
A.HEAD SW
O Not used.
20
POWER ON A H
O For control the user power switch ON/OFF.
21
NC
O Not used.
22
SENS LED
O Mecha state sensor LED.
23
NC
O Not used.
24
NC
O Not used.
25
FF/REW L
O Output "L" when fast forwarding or rewinding.
26
CAP MID-H
O Power of Capstan Motor select.
27
CAP HI-H
O Power of Capstan Motor select.
28
HEATER SW
O -30V ON/OFF Control.
29
NA REC-H
O Control the Bias OSC for audio head.
30
VV-H
O Not used.
31
SERVICE 1
I
Setting of service mode 1.
32
SP STILL H
O Not used.
33
NC
O Not used.
34
NC
-
Not used.
35
NC
-
Not used.
36
CLKSEL
-
5V.
37
VCC
-
5V.
38
X IN
I
Connect the main crystal(12 MHz).
39
X OUT
O Connect the main crystal(12 MHz).
40
VSS
-
Ground.
41
XC IN
I
Subclock pulse(32.768 KHz).
42
XC OUT
O Subclock pulse(32.768 KHz).
43
RESET
I
Input terminal of reset signal.
44
NC
O Not used.
45
NC
O Not used.
46
I/O CTL
O Control the Audio/Video input/output.
47
LDM FWD
O Output signal to control the rotation direction of the Loading Motor.
48
LDM REV
O Output signal to control the rotation direction of the Loading Motor.
49
NC
O Not used.
50
RGB ON-H
O
If the EE/VV is "EE" or TV/VCR is "TV" and PELI CTRL-L is "L",
H Output will appear. And the others, "L" Output will appear.
F-1