Read Sony DCR-HC47E / DCR-HC48 / DCR-HC48E (serv.man4) Service Manual online
6-46
DCR-HC47E/HC48/HC48E_ADJ
3-1-4.
Alignment Tapes
Use the alignment tapes shown in the following table.
Use tapes specified in the signal column of each adjustment.
Use tapes specified in the signal column of each adjustment.
Name
Use
Tracking standard (XH2-1)
Tape path adjustment
SW/OL standard (XH2-3)
Switching position adjust-
ment
ment
Audio operation check
Audio system adjustment
(XH5-3 (NTSC), XH5-3P (PAL))
System operation check
Operation check
(XH5-5 (NTSC), XH5-5P (PAL))
Fig. 6-3-2 shows the 75% color bar signals recorded on the align-
ment tape for Audio Operation Check.
ment tape for Audio Operation Check.
Note: Measure with video terminal (Terminated at 75
Ω)
Fig. 6-3-2. Color bar signal of alignment tapes
For NTSC model
For PAL model
Color bar signal waveform
Color bar pattern
Color bar signal waveform
1 V
0.714 V
0.286 V
White (75%)
White (100%)
Y
ello
w
Cy
an
Green
Magenta
Red
Blue
Burst signal
0.286 V
Q
I
Horizontal sync signal
(75%)
White
Y
ello
w
Cy
an
Green
Magenta
Red
Blue
Q
I
White
(100%)
Black
1 V
0.7 V
0.3 V
White (100%)
Ye
llo
w
Cy
an
Green
Magenta
Red
Blue
Burst signal
Horizontal sync signal
0.3 V
(100%)
Ye
llo
w
Cy
an
Green
Magenta
Red
Blue
White
Blac
k
Color bar pattern
3-1-5.
Output Level and Impedance
Video output
A/V OUT jack
Video signal: 1 Vp-p, 75
Video signal: 1 Vp-p, 75
Ω unbalanced,
sync negative
S video output
A/V OUT jack
Luminance signal: 1 Vp-p, 75
Luminance signal: 1 Vp-p, 75
Ω unbalanced,
sync negative
Chrominance signal: 0.286 Vp-p, 75
Ω unbalanced (NTSC)
: 0.300 Vp-p, 75
Ω unbalanced (PAL)
Audio output
A/V OUT jack
Input impedance: More than 47 k
Input impedance: More than 47 k
Ω
Output level: 327 mV (at load impedance 47 k
Ω)
Output impedance: Below 2.2 k
Ω
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