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6-7. TBC-24 Board Replacement
The electrical adjustments are essential after the TBC-24 board is replaced.
To perform the electrical adjustment, the following equipment and fixtures are required.
n
Some adjustments are different according to the board number suffix (XX of 1-648-542-XX) of TBC-24
board.
Be sure to check the suffix of board number before replacement. The board number is indicated on the
left margin (A-6) of side A of TBC-24 board.
. Composite waveform/vector monitor
For DNW-A22:
For DNW-A22P:
. Composite video monitor
. Extension board:
. 75 Z terminator (1 piece)
. Cleaning tape:
. Alignment tapes
For DNW-A22:
For DNW-A22P:
DNW-A22/A22P
TEKTRONIX 1780R or equivalent (With LINE SELECT)
TEKTRONIX 1781R or equivalent (With LINE SELECT)
EX-377 (SONY part No. J-6269-810-A)
BCT-5CLN (SONY standard products)
CR5-1B (SONY part No. 8-960-096-41) and
CR5-2A (SONY part No. 8-960-097-44)
CR5-1B PS (SONY part No. 8-960-096-91) and
CR5-2A PS (SONY part No. 8-960-098-44)
6-7. TBC-24 Board Replacement
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