1-11-1
HE341PIN
IC PIN FUNCTION DESCRIPTIONS
IC501( SERVO / SYSTEM CONTROL IC )
“H”
≥
4.5V, “L”
≤
1.0V
Pin
No.
IN/
OUT
Signal
Name
Function
Active
Level
1
IN
SC2-IN
Input Signal from
Pin 8 of SCART2
A/D
2
IN
PG-
DELAY
Video Head Switching
Pulse Signal Adjusted
Voltage
A/D
3
IN
POW-
SAF
P-ON Power Detection
Input Signal
A/D
4
IN
END-S
Tape End Position
Detect Signal
A/D
5
IN
AFC
Automatic Frequency
Control Signal
A/D
6
IN
V-ENV
Video Envelope
Comparator Signal
A/D
7
IN
KEY-1
Key Scan Input Signal 1
A/D
8
IN
KEY-2
Key Scan Input Signal 2
A/D
9
IN
LD-SW
Deck Mode Position
Detector Signal
A/D
10 OUT ST-S
Tape Start Position
Detector Signal
A/D
11
-
N.U.
Not Used
-
12
-
N.U.
Not Used
-
13 OUT
D-V-
SYNC
Dummy V-sync
Output
H/Hi-z
14
IN
REMOC
ON-IN
Remote
Control Sensor
L
15 OUT C-ROTA
Color Phase Rotary
Changeover SIgnal
H/L
16 OUT H-A-SW
Video Head Amp
Switching Pulse
H/L
17
IN
H-A-
COMP
Head Amp
Comparator Signal
H/L
18 OUT RF-SW
Video Head Switching
Pulse
H/L
19
-
N.U.
Not Used
-
20
-
N.U.
Not Used
-
21
-
N.U.
Not Used
-
22
-
N.U.
Not Used
-
23 OUT
POWER-
LED
“POWER” LED
Signal Output
H
24 OUT
CAS-
LED
“CASSETTE” LED Sig-
nal Output
H
25 OUT
TIMER-
LED
“TIMER” LED
Signal Output
H
26 OUT
REC-
LED
Recording LED Control
Signal
27
-
N.U.
Not Used
-
28
-
N.U.
Not Used
-
29 OUT
AUDIO-
SW-1
Audio IN/OUT Control
Signal
H/L
30 OUT
AUDIO-
SW-2
Audio IN/OUT Control
Signal
H/L
31
IN
REC-
SAF-SW
Recording Safety SW
Detect (With Record
tab="L"/With out Record
tab="H")
H
32
-
N.U.
Not Used
-
33 OUT D-REC-H Delayed Record Signal
L
34
IN
RESET
System Reset
Signal (Reset=”L”)
L
35
IN
XC-IN
Sub Clock
-
36 OUT XC-OUT Sub Clock
-
37
-
Vcc
Vcc
-
38
IN
X-IN
Main Clock Input
-
39 OUT X-OUT
Main Clock Input
-
40
-
Vss
Vss(GND)
-
41
-
N.U.
Not Used
-
42
-
N.U.
Not Used
-
43
IN
CLKSEL Clock Select (GND)
L
44
IN
OSC
IN
Clock Input
for letter size
-
45 OUT OSC
OUT
Clock Output for letter
size
-
46
-
NUB
Not Used
-
47
-
LP
LP
-
48
IN
FSC-IN
[4.43MHz
]
4.43MHz Clock Input
-
49
-
OSDVss
OSDVss
-
50
IN
OSD-V-
IN
OSD Video Signal Input
L
51
-
N.U.
Not Used
-
52 OUT
OSD-V-
OUT
OSD Video Signal
Output
L
53
-
OSDVcc
OSDVcc
-
54
-
HLF
LPF Connected
Terminal (Slicer)
-
Pin
No.
IN/
OUT
Signal
Name
Function
Active
Level
Содержание 27C-450
Страница 21: ...Main 1 6 Schematic Diagram 1 8 3 1 8 4 HE341SCM1 ...
Страница 22: ...Main 2 6 Sensor Schematic Diagram 1 8 5 1 8 6 HE341SCM2 ...
Страница 23: ...Main 3 6 Schematic Diagram 1 8 7 1 8 8 HE341SCM3 ...
Страница 24: ...Main 4 6 Jack Schematic Diagram 1 8 9 1 8 10 HE341SCM4 ...
Страница 26: ...HE341SCM6 1 8 13 1 8 14 Main 6 6 Schematic Diagram ...
Страница 29: ...1 8 19 1 8 20 Jack CBA Top View Jack CBA Bottom View BHE470F01014 C ...
Страница 52: ...3 1 1 HE240FEX A1X EXPLODED VIEWS Front Panel ...
Страница 54: ...3 1 3 HE341PEX Some Ref Numbers are not in sequence X2 X3 X20 X1 X4 S1 Unit S3 A14 S2 S2 X6 S7 Packing ...
Страница 69: ...27C 450 HE341FD ...
