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7.10 IC
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• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
List of IC
A
I54F50161A
I54F50161A (OEC0161A) (VCR MT PCB ASSY : IC3001)
• TUNER Microcomputer
Pin Function
No.
PIN NAME
1
2
CTLREF
3
B
4
5
CTLBIAS
6
7
CTLAMP(O)
8
CTLAMP(I)
9
10
11
AFCPC
12
AFCOSC
13
AFCLPF
C
14
CSYNC
15
VSYNC
16
17
TE
L 13942296513
18
19
CVOUT
20
21
4 FSCOUT
22
4 FSCIN
23
D
24
VIDEO_ENV
25
26
27
MSSEN-B
28
MSSEN-A
29
30
31
STEREO_SEL
32
HI-FI_ENV
33
AFT.S.CURVE
E
34
35
36
37
POWER_FAIL
38
SD_JUDGE
39
40
www
41
POWER_ON- L
42
MPEG P ON-H
43
REMOCON_IN
F
44
VADDIS_INT
110
1
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2
I/O
SVSS
-
Ground.
-
Output terminal for CTL amp REF (1/2 SVCC)
CTL(+)
-
Input and output terminal of Control Head.
CTL(-)
-
Input terminal of Control Head.
-
Output terminal for bias.
CTLFB
IN
Input terminal for CTL feedback
OUT Output terminal for CTL amp out.
IN
Input terminal for CTL shumit amp .
CFG
IN
Input terminal for CAPSTAN FG signal detection.
SVCC
-
+ 5V (Servo)
-
AFC oscilator (external circuit).
-
AFC oscilator (external circuit).
-
LPF connection for AFC OSC.
OUT Output terminal for composite SYNC.
IN
Input terminal for composite SYNC.(from 14pin)
CVIN2
IN
Composite Video input terminal.(for data slicer)
CVIN1
IN
Composite Video input terminal.(for OSD)
OVCC
-
+ 5V
OUT Composite Video output.(with OSD)
OVSS
-
Ground.
OUT 4 FSC pulse.
IN
4 FSC pulse.
AVSS
-
Ground.
IN
Input terminal of video RF envelope.
BOT
IN
Tape start sensor input signal.
EOT
IN
Tape end sensor input signal.
IN
Input terminal of mecha state sensor.
IN
KEY-B
IN
Main unit key input.
KEY-A
IN
IN
Input terminal for the judgement of voice reception condition.
IN
Input terminal of HiFi RF envelope.
IN
AFT S CURVE input for tuner.
KEY_C
I
Not used.
N.C.
I
Not used.
AVCC
-
ON/OFF control Micon AD section.
IN
Input terminal of Power fail signal.
IN
Input terminal for the judgement of VIDEO signal.
N.C.
IN
Not used.
N.C.
OUT Not used.
OUT For control the user power switch ON/OFF.
x
ao
y
OUT Control terminal of MPEG block P_CON.
IN
Receive the remote control signal.
.
i
OUT Communicate terminal for Vaddis Micom.
DVR-RT502-S
2
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DESCRIPRION
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