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METAL adjustment [to step (18)]
(6) Playback the bowtie signal portion (17:00 to 19:00) of the alignment tape CR5-1B or CR5-1B PS.
(DNW-A22: CR5-1B, DNW-A22P: CR5-1B PS)
(7) Observe the 12.5T (PAL: 10T) portion of bowtie signal, adjust so that the waveform satisfies the
specification.
Adjustment point: 1RV503/TBC-24(A-5)
(8) Observe the 12.5T (PAL: 10T) portion of bowtie signal, adjust so that the waveform satisfies the
specification.
Adjustment points: Field 1:
Field 2:
If the specification is not satisfied by adjusting RV500, perform steps (9) through (12) after setting
RV500 to the mechanical center.
n
RV504 is not equipped with the board number suffixes 11 and 12 of TBC-24 board.
Therefore, adjust RV500 only.
DNW-A22/A22P
Spec.
OK
OK
NG
Y lag
behind
chroma
1RV500/TBC-24(B-1)
1RV504/TBC-24(C-1)
Spec.
OK
OK
NG
Y lag
behind
chroma
12.5 T (for NTSC)
10 T
(for PAL)
NG
Y lead
chroma
12.5 T (for NTSC)
10 T
(for PAL)
NG
Y lead
chroma
6-7. TBC-24 Board Replacement
6-101
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