Board - Sony HDVF-C30WR Maintenance Manual

1-4-6. SW-1437 Board
The SW-1437 board consists of eight selector switches and one push-button switch. The assignable function
can be turned on and off by using the four modes (including OFF) selected using two of the eight selector
switches jointly with the push-button switch. Six types of fi xed modes can be selected using the remaining
six selector switches. Like the SW-1436 board, this control information is sent to the PR-312 board.
1-4-7. LE-476 Board
The LE-476 board is an LED-mounted board on the panel's upside for display the state. The board mounts
three types of LEDs: G-TALLY, R-TALLY, and BATT-TALLY.
1-4-8. LE-477 Board
The LE-477 board is an LED-mounted board on the panel's lower side for display the state. The board
mounts fi ve types of LEDs: !, MAG, R-TALLY, for adjustment, and for VTR-save .
1-5. Input and Output Signals of Connectors
VF (20P MALE)
(EXTERNAL VIEW)
Pin No. Signal Name
1 S-DATA
2 NC
3 POWER OFF CTL
4 SCK
5 NC
6 NC
7 NC
8 G TALLY
9 NC
10 NC
11 NC
12 Y VIDEO
13 VIDEO GND
14 Pb VIDEO
15 Pr VIDEO
16 NC
17 R TALLY
18 NC
19 UNREG GND
20 UNREG
HDVF-C30WR
I/O Specifi cations
IN/OUT TTL level
No connection
IN POWER ON : OPEN, POWER OFF : GND
IN TTL level
No connection
No connection
No connection
IN ON : 5 V, OFF : GND
No connection
No connection
No connection
1.0 V p-p Zo = 75 Z
IN
GND for VIDEO
0.7 V p-p Zo = 75 Z
IN
0.7 V p-p Zo = 75 Z
IN
No connection
IN ON : 5 V, OFF : GND
No connection
GND for UNREG
IN DC 10.5 V to 17 V
1-3 (E)