Sony DCR-TRV10 Service Manual - Page 125

For NTSC model, 1-6. Alignment Tapes, 1-7. Input/Output Level and Impedance

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3-1-6. Alignment Tapes Use the alignment tapes shown in the following table. 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 adjustment Audio operation check (XH5-3 (NTSC), XH5-3P (PAL)) Audio system adjustment System operation check (XH5-5 (NTSC), XH5-5P (PAL)) Operation check BIST check (XH5-6 (NTSC), XH5-6P (PAL)) BIST check Fig. 5-3-3 shows the 75% color bar signals recorded on the alignment tape for Audio Operation Check. Note: Measure with video terminal (Terminated at 75 Ω) For NTSC model White (100%) Yellow Cyan Green Magenta Red Blue White (75%) 0.714V 1V 0.286V QI Burst signal 0.286V Horizontal sync signal Color bar signal waveform For PAL model White (100%) (75%) Q I Black White (100%) Color bar pattern White Yellow Cyan Green Magenta Red Blue Yellow Cyan Green Magenta Red Blue White Yellow Cyan Green Magenta Red Blue Black 0.7V 1V 0.3V 0.3V (100%) Horizontal sync signal Burst signal Color bar signal waveform Fig. 5-3-3. Color bar signal of alignment tapes Color bar pattern 3-1-7. Input/Output Level and Impedance Video input/output Special stereo mini jack Video signal: 1 Vp-p, 75 Ω unbalanced, sync negative S video input/output 4-pin mini DIN 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 input/output Special stereo mini jack Input level: 327mV Input impedance: More than 47kΩ Output level: 327 mV (at load impedance 47 kΩ) Output impedance: Below 2.2 kΩ 5-39

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5-39
3-1-6. Alignment Tapes
Use the alignment tapes shown in the following table.
Use tapes specified in the signal column of each adjustment.
Fig. 5-3-3 shows the 75% color bar signals recorded on the alignment
tape for Audio Operation Check.
Note:
Measure with video terminal (Terminated at 75
Ω
)
Use
Tape path adjustment
Switching position adjustment
Audio system adjustment
Operation check
BIST check
Name
Tracking standard (XH2-1)
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))
For NTSC model
For PAL model
Color bar signal waveform
Color bar pattern
Color bar signal waveform
Color bar pattern
Fig. 5-3-3. Color bar signal of alignment tapes
3-1-7. Input/Output Level and Impedance
Video input/output
Special stereo mini jack
Video signal:
1 Vp-p, 75
Ω
unbalanced,
sync negative
S video input/output
4-pin mini DIN
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 input/output
Special stereo mini jack
Input level: 327mV
Input impedance: More than 47k
Ω
Output level: 327 mV (at load impedance 47 k
Ω
)
Output impedance: Below 2.2 k
Ω
1V
0.714V
0.286V
White (75%)
White (100%)
Yellow
Cyan
Green
Magenta
Red
Blue
Burst signal
0.286V
Q
I
Horizontal sync signal
(75%)
White
Yellow
Cyan
Green
Magenta
Red
Blue
Q
I
White
(100%)
Black
1V
0.7V
0.3V
White (100%)
Yellow
Cyan
Green
Magenta
Red
Blue
Burst signal
Horizontal sync signal
0.3V
(100%)
Yellow
Cyan
Green
Magenta
Red
Blue
White
Black