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6-3. DM-89 Board Replacement
16. Composite Output Level Adjustment
Measuring equipment: Composite waveform/vector monitor (terminated with 75 Z)
(1) METAL Y/C adjustment
Playback the color-bar signal portion (14:00 to 17:00) of the alignment tape CR5-1B or CR5-1B PS,
and perform the adjustment of each composite signal level.
(DNW-A22: CR5-1B, DNW-A22P: CR5-1B PS)
Equipment setting
WAVEFORM mode
VECTOR mode
WAVEFORM mode
A
WAVEFORM mode
A
(2) Eject the alignment tape CR5-1B/CR5-1B PS.
n
RV101 and RV201 on TBC-24 board are possible to adjust without using the extension board.
6-66
Specifications
DNW-A22: A = 714 ±7 mV (100 ± 1 IRE)
DNW-A22P: A = 700 ±7 mV
Inside the corresponding frames
(DP: ± 2.5d, DG: ± 2.5%)
DNW-A22
DNW-A22P
RV201
RV201
RV101 and RV201 on TBC-24 Board
Adjustment point
1RV101/TBC-24(F-1)
1RV201/TBC-24(A/B-1)
VECTOR mode
M
G
R
Y
L
B
G
C
Y
VECTOR mode
R
M
G
Y
L
G
C
Y
TBC-24 board (suffix-11 and 12)
RV200 RV500 RV501
RV300
RV101
TBC-24 board (suffix-13 and higher)
RV101
RV500 RV501
RV504
RV300
B
DNW-A22/A22P
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