Sony DSR-20MD Service Manual page 153

3-1-5. Adjustment Tapes
Use the alignment tapes shown in the following table.
Use tapes specified in the signal column of each adjustment.
Name
SW/OL standard (XH2-3)
Audio operation check
(XH5-3 (NTSC), XH5-3P (PAL))
System operation check
(XH5-5 (NTSC), XH5-5P (PAL))
BIST check
(XH5-6 (NTSC), XH5-6P (PAL))
Table 5-3-2.
Fig. 5-3-4. shows the 75% color bar signals recorded on the align-
ment tape for Audio Operation Check (NTSC).
Note : Measure with video terminal (Terminated at 75 Ω)
For NTSC model
White (100%)
White (75%)
0.714 V
1 V
0.286 V
Color bar signal waveform
Horizontal sync signal
For PAL model
White (100%)
0.7 V
1 V
0.3 V
Horizontal sync signal
Color bar signal waveform
Use
Switching position adjustment
Audio system adjustment
Operation check
BIST check
Burst signal
Q I
Burst signal
Fig. 5-3-4. Color Bar Signal of Alignment Tapes
(75%)
0.286 V
0.3 V
(100%)
5-61
NTAC : DSR-20MD
PAL : DSR-20MDP
Q I Black
White
(100%)
Color bar Pttern
Color bar Pttern