Table of Contents
Advertisement
6-7. TBC-24 Board Replacement
(3) OXIDE Y/C confirmation
Playback the 75% color-bar signal portion (0:00 to 3:00) of the alignment tape CR5-2A or CR5-2A
PS, and perform the check of each composite signal level. If the specification is not satisfied,
perform the adjustment of the composite output level.
(DNW-A22: CR5-2A, DNW-A22P: CR5-2A PS)
n
For DNW-A22, perform the check (adjustment) for Y signal only.
Equipment setting
WAVEFORM mode
VECTOR mode
WAVEFORM mode
A
(4) Eject the alignment tape CR5-2A/CR5-2A PS.
RV704
RV504
RV504 and RV704 on DM-89 Board
6-94
Specifications
DNW-A22: A = 714 ±7 mV (A = 100 ± 1 IRE)
DNW-A22P: A = 700 ±7 mV
Inside the corresponding frames
(DP: ± 2.5d, DG: ± 2.5%)
WAVEFORM mode
A
DNW-A22
DNW-A22P
DM-89 board
Adjustment point
1RV504/DM-89(F-1)
1RV704/DM-89(B-1)
DNW-A22P only
VECTOR mode
R
M
G
Y
L
B
G
C
Y
n
RV504 and RV704 on DM-89 board are possible to adjust
without using the extension board.
DNW-A22/A22P
Advertisement
Table of Contents
