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1-3. Input and Output Signals of Connectors
VF (20P, male)
(EXTERNAL VIEW)
Pin No.
Signal name
I/O
1
S-DATA
IN/OUT
2
NC
3
POWER
IN
OFF CTL
4
SCK
IN
5
NC
6
NC
7
NC
1-4. Function of Switches on the Board
PR-308 board
PR-308 board (Side A)
Ref. No.
Name
S400
Model ID
S401 bit1 to 4, 6
Not used
bit5
SOFT DEBUG
bit7
BOOT SOFT VERSION UP
bit8
MAIN SOFT VERSION UP
HDVF-C35W
Specifications
TTL level
No connection
POWER ON: OPEN
POWER OFF: GND
TTL level
No connection
No connection
No connection
S400
S401
Contents
_
_
ON:
OFF: DEBUG
ON:
OFF: Normal
ON:
OFF: Normal
Pin No.
Signal name
I/O
8
G TALLY
IN
9
NC
10
NC
11
NC
12
Y VIDEO
IN
13
VIDEO GND
14
Pb VIDEO
IN
15
Pr VIDEO
IN
16
NC
17
R TALLY
IN
18
NC
19
UNREG GND
20
UNREG
IN
Factory setting
All OFF (bit1 to 4: OFF)
All OFF
Normal
ON
Version upgrade
OFF
Version upgrade
OFF
Specifications
ON:
5 V or 9 V
OFF: GND or open
No connection
No connection
No connection
1.0 V p-p ZO = 75 Z
GND
0.7 V p-p ZO = 75 Z
0.7 V p-p ZO = 75 Z
No connection
ON:
5 V or 9 V
OFF: GND or open
No connection
GND
DC 10.5 V to 17 V
1-3 (E)
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