FUNAI HDR-A2835D - IC Pin Function Descriptions

1-16-1 E434GPIN
IC PIN FUNCTION DESCRIPTIONS
< VCR Section >
IC501( SERVO / SYSTEM CONTROL IC )
Pin
No.
IN/
OUT
Signal
Name
Function
1-
NU Not Used
2IN
PG-DELAY
Video Head Switching Pulse
Signal Adjusted Voltage
3 IN POW-SAF Abnormal Voltage Detection
4IN
END-S
Tape End Position Detect
Signal
5-
NU Not Used
6IN
V-ENV
Video Envelope Comparator
Signal
7IN
KEY-1 Key Scan Input Signal 1
8IN
KEY-2 Key Scan Input Signal 2
9IN
LD-SW
Deck Mode Position Detector
Signal
10 IN
ST-S
Tape Start Position Detector
Signal
11 -
NU Not Used
12 -
NU Not Used
13 OUT
D-V- SYNC Dummy V-sync Output
14 IN
REMOCON
-IN
Remote Control Sensor
15 OUT
C-ROTA
Color Phase Rotary
Changeover SIgnal
16 OUT
H-A-SW
Video Head Amp Switching
Pulse
17 IN
H-A-COMP Head Amp Comparator Signal
18 OUT
RF-SW Video Head Switching Pulse
19 OUT
Hi-Fi-H-SW
HiFi Audio Head Switching
Pulse
20 -
NU Not Used
21 -
NU Not Used
22 -
NU Not Used
23 -
NU Not Used
24 -
NU Not Used
25 -
NU Not Used
26 OUT REC-LED
Rec Mode LED Signal Output
27 -
NU Not Used
28 -
NU Not Used
29 -
NU Not Used
30 -
NU Not Used
31 IN
REC-SAF-
SW
Recording Safety SW Detect
(With Record tab=”L”/ With out
Record tab=”H”)
32 IN
A-MODE Hi-Fi Tape Detection Signal
33 OUT
D-REC-H Delayed Record Signal
34 IN
RESET
System Reset Signal
(Reset=”L”)
35 IN
Xcin Sub Clock
36 OUT
Xcout Sub Clock
37 -
Vcc Vcc
38 IN
Xin Main Clock Input
39 OUT
Xout Main Clock Input
40 -
GND Vss(GND)
41 -
NU Not Used
42 -
NU Not Used
43 IN
CLKSEL Clock Select (GND)
44 IN
OSCin Clock Input for letter size
45 OUT
OSCout Clock Output for letter size
46 -
NUB Not Used
47 IN
LP LP
48 IN
FSC-IN
[4.43MHz]
4.43MHz Clock Input
49 -
OSDVss OSDVss
50 IN
OSD-V-IN OSD Video Signal Input
51 -
LECHA Not Used
52 OUT
OSD-V-
OUT
OSD Video Signal Output
53 -
OSDVcc OSDVcc
54 -
HLF
LPF Connected Terminal
(Slicer)
55 -
NU Not Used
56 -
NU Not Used
57 -
NU Not Used
58 IN
C-CYNC
Composite Synchronized
Pulse
59 -
NU Not Used
60 OUT
C-POW-SW
Capstan Power Switching
Signal
61 -
NU Not Used
62 -
NU Not Used
63 -
NU Not Used
64 IN S-CS
Sub Micro Controller Interface
Chip Select Signal Input
65 OUT
S-DATA-
OUT
Communication of Data from
VCR Micro Controller
66 IN
S-DATA-IN
Communication of Data to
VCR Micro Controller
67 OUT
S-CLOCK
Communication of Clock with
VCR Micro Controller
Pin
No.
IN/
OUT
Signal
Name
Function