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JVC DR-MV2SEU Service Manual Page 42

Dvd video recorder & video cassette recorder.
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5.5
IC PIN FUNCTION DESCRIPTIONS
5.5.1 VCR Section
5.5.1.1
IC501( SERVO / SYSTEM CONTROL IC )
Pin
IN/
Sign al
No.
OUT
Name
1
IN
SC2-IN
2
IN
PG-DELAY
DVD-POW-
3
IN
SAFETY
4
IN
END-S
5
IN
AFC
6
IN
V-ENV
7
IN
KEY-1
8
IN
KEY-2
9
IN
LD-SW
10
IN
ST-S
FAN-
11 OUT
CONT1
12
-
NU
13 OUT D-V- SYNC Dummy V-sync Output
REMOCON
14
IN
-IN
15 OUT C-ROTA
16 OUT H-A-SW
H-A-COMP Head Amp Comparator
17
IN
18 OUT RF-SW
19 OUT Hi-Fi-H-SW HiFi Audio Head Switching
20
-
NU
21
-
NU
VIDEO-
22 OUT
SW1
VIDEO-
23 OUT
SW2
VIDEO-
24 OUT
SW3
REG-
25 OUT
CONT2
26
-
NU
RGB-
27 OUT
THROUGH
1-42 (No.YD087)
Func tion
Input Signal from Pin 8 of
SCART2
Video Head Switching
Pulse Signal Adjusted
Voltage
Abnormal Voltage Detection
Tape End Position Detect
Signal
Automatic Frequency
Control Signal
Video Envelope
Comparator Signal
Key Scan Input Signal 1
Key Scan Input Signal 2
Deck Mode Position
Detector Signal
Tape Start Position Detector
Signal
Fan Motor Control Signal
Not Used
Remote Control Sensor
Color Phase Rotary
Changeover SIgnal
Video Head Amp Switching
Pulse
Signal
Video Head Switching
Pulse
Pulse
Not Used
Not Used
Video Input Select Signal
Video Input Select Signal
Video Input Select Signal
Power Regulator Control
Signal
Not Used
SCART 2 RGB Through
Control Signal
Pin
IN/
Signa l
No.
OUT
Name
AUDIO-
28 OUT
Audio Mute Control Signal
MUTE-2
DVD-
DVD Audio Mute Control
29 OUT
AUDIO-
Signal
MUTE
30
-
NU
Not Used
Recording Safety SW
REC-SAF-
31
IN
Detect (With Record tab="L"/
SW
With out Record tab="H")
Power Voltage Down
32
IN
P-DOWN -H
Detector Signal
33 OUT D-REC-H
Delayed Record Signal
System Reset Signal
34
IN
RESET
(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
REGULATOR
Power Regulator Control
42 OUT
-CONTROL
Signal
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
FSC-IN
48
IN
4.43MHz Clock Input
[4.43MHz]
49
-
OSDVss
OSDVss
50
IN
OSD-V-IN
OSD Video Signal Input
51
-
NU
Not Used
52 OUT OSD-V-
OSD Video Signal Output
OUT
53
-
OSDVcc
OSDVcc
LPF Connected Terminal
54
-
HLF
(Slicer)
SECAM or MESECAM
55
IN
COLOR-IN
Chroma Video Input Signal
at Super Impose
VPS/PDC Data Receive =
56
IN
DAVN-L
"L"
57
-
NU
Not Used
Composite Synchronized
58
IN
C-SYNC
Pulse
Control SCART 1 8Pin
59 OUT 8POUT-1
Level by using 8POUT-1
and 8POUT-2
Func tion

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