Sony DVCAM DSR-50, Руководство по обслуживанию

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3-7. TIME CODE SYSTEM ADJUSTMENTS
Set the switches to the following positions unless otherwise
specified.
Operation mode switch .................................. DVCAM
VIDEO INPUT SELECT switch ..................... VIDEO (except DV)
Cassette tape ................................................... None
1. Analog Through (E-E) Level Check
Mode STOP (no cassette tape)
Press the REC button.
Signal TC IN (INT) terminal:
6 kHz sine wave 3.0 Vp-p
Measurement point TC OUT (INT) terminal (600
Ω
load)
Measuring instrument Oscilloscope
Specified value 2.0 to 4.0 Vp-p
Menu setting (TC/UB SET menu)
TC/UB IN ............................... TC & UB EXT
Connection of equipment
Checking method:
1) Check that the TC output signal level satisfies the specified
value.
2) Check with the oscilloscope that no clip is found in the output
waveform.
2. Time Code Reading Check
Mode STOP (no cassette tape)
Press the REC button.
Signal TC IN (INT) terminal:
0.25 Vp-p time code signal
Measurement point
Time counter on the front panel
Measuring instrument
Counter value on the display
Specified value The value indicated on the time code
generator must be same as the counter
value on the front panel.
Switch setting
Set the counter switch on the front panel to “TC”.
Menu setting (TC/UB SET menu)
TC/UB IN ............................... TC & UB EXT
Connection of equipment
Checking method:
1) Enter 0.25 Vp-p time code signal obtained by attenuating the
output of time code generator (such as NTSC: BVG-1600/PAL:
BVG-1600P) to the TC IN (EXT) terminal.
2) Check that the value indicated on the time code generator is
same as the counter value on the front panel.
DSR-50/
50P
600
Ω
600
Ω
Attenuator
TC OUT (INT) TC IN (EXT)
600
Ω:
270 (1-249-410-11) +330 (1-249-411-11)
Audio
generator
Oscilloscope
DSR-50/
50P
600
Ω
Attenuator
TC IN (EXT)
600
Ω
: 270 (1-249-410-11) +330 (1-249-411-11)
Time code
generator
1H 09M 40S