Sony DSR-20MD, Service Manual

Page: 153 / 225

5-61
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 Use
SW/OL standard (XH2-3) Switching position adjustment
Audio operation check
Audio system adjustment
(XH5-3 (NTSC), XH5-3P (PAL))
System operation check
Operation check
(XH5-5 (NTSC), XH5-5P (PAL))
BIST check
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
)
NTAC : DSR-20MD
PAL
: DSR-20MDP
Fig. 5-3-4. Color Bar Signal of Alignment Tapes
White (100%)
Color bar signal waveform
0.714 V
Horizontal sync signal
White (75%)
1 V
0.286 V
Q I
Burst signal
Y
ello
w
Cy
an
Green
Magenta
Red
Blue
0.286 V
(75%)
Y
ello
w
Cy
an
Green
Magenta
Red
Blue
White
Q I
White
(100%)
Black
Color bar Pttern
White (100%)
Color bar signal waveform
0.7 V
Horizontal sync signal
1 V
0.3 V
Burst signal
Y
ello
w
Cy
an
Green
Magenta
Red
Blue
0.3 V
(100%)
Y
ello
w
Cy
an
Green
Magenta
Red
Blue
White
Blac
k
Color bar Pttern
For NTSC model
For PAL model