Performance Verification and Adjustment Procedures
4–20
TSG 95 Service Manual
12. SCH Phase
H
CHECK — the VM700A display to verify that SCH Phase is 0
°
±
5
°
.
13. Field Tilt Distortion
a. If the TSG 95 ID is on, turn it off by pressing the ID On/Off key.
b. Select the Field Square Wave from the TSG 95 (Press S) then press the
VM700A Auto key.
c.
CHECK — that Field Time Distortion is
≤
0.5%.
NOTE
. The VM700A Field Time Distortion measurement is equivalent to the
Field Tilt characteristic called out in the Specifications section of this manual.
1. Check Total Harmonic Distortion (THD)
a. Connect the TSG 95 Audio outputs to the VM700A Audio inputs.
b. Press the following VM700A keys: Measure, <Audio>, <Audio Ana-
lyzer>.
c.
Set the Tone Frequency, Amplitude, and ID Click with these steps:
H
If the Pathfinder tone is off, turn it on by pressing the Tone On/Off
key.
H
Open the Tone menu by pressing Shift–Tone On/Off.
H
Use the
A
and
"
keys to set the TONE FREQ to 50 Hz.
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.
H
Move to the CLICK ON/OFF selection with the
B
key.
H
If necessary use the
A
and
"
keys to turn the Click off.
d. CHECK — that both channels have a THD+N
≤
1%.
e.
Use the
Y
key to move back up to the TONE LEVEL selection. Change
the Pathfinder Tone Amplitude to + 4 dBu (use the
A
and
"
keys).
f.
CHECK — that both channels have a THD
≤
1%.
g. Change the TONE LEVEL to 8 dBu.
h. CHECK — that both channels have a THD
≤
1%.
i.
Change the TONE LEVEL to –10 dBu.
Audio Outputs
Содержание TSG 95
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Страница 6: ...TSG 95 Service Manual...
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...