Performance Verification and Adjustment Procedures
TSG 95 Service Manual
4–21
j.
CHECK — that both channels have a THD
≤
1%.
2. Check Audio Output Amplitude
a. Set the TSG 95 Frequency to 1 kHz and the Audio Level to 0 dBu with
these steps (as necessary):
H
Open the Tone menu by pressing Shift–Tone On/Off.
H
Use the
A
and
"
keys to set the TONE FREQ to 1 kHz.
H
Move to the TONE LEVEL selection with the
B
key.
H
Use the
A
and
"
keys to set the TONE LEVEL to 0 dBu.
b. CHECK — (VM700A) that the Audio Level of both channels is 0 dBu
±
0.25 dBu.
c.
Set the TSG 95 Audio Level to + 4 dBu (use the
A
and
"
keys).
d. CHECK — (VM700A) that the Audio Level of both channels is + 4 dBu
±
0.25 dBu.
e.
Set the TSG 95 Audio Level to + 8 dBu.
f.
Go back up to the TONE FREQ menu item (press the
Y
key) and select
the appropriate frequencies in turn to CHECK — that the Audio Level is
+ 8 dBu
±
0.25 dBu at each of the following frequencies:
j
50 Hz
j
63 Hz
j
125 Hz
j
250 Hz
j
400 Hz
j
1 kHz
j
2 kHz
j
4 kHz
j
8 kHz
j
10 kHz
j
12.5 kHz
j
16 kHz
j
20 kHz
g. Set the TSG 95 Audio Level to –10 dBu (use the
A
and
"
keys).
h. CHECK — (VM700A) that the Audio Level of both channels is
–10 dBu
±
0.25 dBu.
3. Check Audio ID Click
a. Set the TSG 95 for a Tone Frequency of 400 Hz.
b. Go to the CLICK menu and turn the Audio ID “click” on.
c.
Go to the VM700A Audio Measurements window and press <Audio
Monitor>.
d. CHECK — for one click on the slanted axis, and two clicks on the oppo-
site axis.
This completes the Performance Verification Procedure.
Содержание TSG 95
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Страница 14: ...Service Safety Summary viii TSG 95 Service Manual...
Страница 29: ...Specifications TSG 95 Service Manual 1 15 Figure 1 3 PAL 75 Red and Red Field Figure 1 4 PAL 100 Red...
Страница 30: ...Specifications 1 16 TSG 95 Service Manual Figure 1 5 PAL Green Field Figure 1 6 PAL Blue Field...
Страница 31: ...Specifications TSG 95 Service Manual 1 17 Figure 1 7 PAL 50 Flat Field Figure 1 8 PAL 100 Flat Field...
Страница 34: ...Specifications 1 20 TSG 95 Service Manual Figure 1 13 PAL Modulated 5 Step Figure 1 14 PAL Multiburst...
Страница 35: ...Specifications TSG 95 Service Manual 1 21 Figure 1 15 PAL Reduced Sweep Figure 1 16 PAL Pluge...
Страница 40: ...Specifications 1 26 TSG 95 Service Manual Figure 1 25 PAL Matrix Signal UK ITS 2...
Страница 41: ...Specifications TSG 95 Service Manual 1 27 Figure 1 26 PAL Safe Area...
Страница 42: ...Specifications 1 28 TSG 95 Service Manual NTSC Waveform Diagrams Figure 1 27 SMPTE NTSC Color Bar Components...
Страница 43: ...Specifications TSG 95 Service Manual 1 29 Figure 1 28 SMPTE NTSC Color Bars Zero Setup...
Страница 45: ...Specifications TSG 95 Service Manual 1 31 Figure 1 31 NTSC Red Field Figure 1 32 NTSC Red Field Zero Setup...
Страница 46: ...Specifications 1 32 TSG 95 Service Manual Figure 1 33 NTSC Sin x x Figure 1 34 NTSC 5 Step Staircase Gray Scale...
Страница 50: ...Specifications 1 36 TSG 95 Service Manual Figure 1 41 NTSC Convergence Components...
Страница 51: ...Specifications TSG 95 Service Manual 1 37 Figure 1 42 NTC7 NTSC Composite Figure 1 43 NTC7 NTSC Combination...
Страница 52: ...Specifications 1 38 TSG 95 Service Manual Figure 1 44 FCC NTSC Composite Figure 1 45 NTSC Cable Multiburst...
Страница 53: ...Specifications TSG 95 Service Manual 1 39 Figure 1 46 NTSC Cable Sweep Figure 1 47 NTSC Matrix...
Страница 54: ...Specifications 1 40 TSG 95 Service Manual Figure 1 48 NTSC Safe Area...
Страница 104: ...Performance Verification and Adjustment Procedures 4 30 TSG 95 Service Manual...
Страница 118: ...Maintenance 5 14 TSG 95 Service Manual...
Страница 134: ...TSG 95 Service Manual 7 8...
Страница 139: ...Replaceable Mechanical Parts 8 5 TSG 95 Service Manual A1 A2 A3 Figure 1 Exploded View...
Страница 140: ...Replaceable Mechanical Parts 8 6 TSG 95 Service Manual...