Sony BETACAM SX DNW-A30 Maintenance Manual page 27

1-10-4. TBC-23 Board (DNW-A30/A30P only)
n
Never change the settings of the factory use switches.
A
1 2 3 4 5 6 7 8
ON
OFF
1 Y MUTE
2 C MUTE
3
4
TBC-23 board switch
Switch No. Name
S1 1 Y MUTE
2 C MUTE
3 —————
4 —————
5 COMB
6 TBC TEST
7 —————
8 VIDEO PHASE
S500 1 —————
|
4
DNW-A30/A30P
DNW-30/30P
B C D TBC-23 E
1 2 3 4
S1 *S500
5 COMB
6 TEST
7
8 VIDEO PHASE
LOTNO, S NO,
TBC-23 Board (A Side)
Description
OFF (OPEN) : Normal mode
ON (CLOSE) : Mute luminance signal
OFF (OPEN) : Normal mode
ON (CLOSE) : Mute color difference signal
Factory use
Factory use
Select whether to activate a comb filter when the
color difference signal has significant line crawl
which cannot be corrected by LCC or not.
OFF (OPEN) : Comb filter OFF
ON (CLOSE) : Comb filter ON
Select whether to enable the TBC-23 and -24
boards self diagnostics or not.
OFF (OPEN) : Normal mode
ON (CLOSE) : Test (self diagnostics) mode
Factory use
Select whether to use VIDEO PHASE VR or not.
OFF (OPEN) : VIDEO PHASE VR (RV202) disabled
ON (CLOSE) : VIDEO PHASE VR (RV202) enabled
Factory use
1-10. Switch and Shorting Plug Setting on PC Boards
F G
RV202
1
2
A No.
3
4
5
6
7
n
Refer to "2-13. Pulling Out/
Insertion of Plug-in Board" for
pulling out and insertion of board.
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Factory setting
OFF (OPEN)
OFF (OPEN)
OFF (OPEN)
OFF (OPEN)
OFF (OPEN)
OFF (OPEN)
OFF (OPEN)
OFF (OPEN)
OFF (OPEN)
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