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