Internal Time Code Output Waveform Check; Internal Time Code Output Check - Sony DSR-45 Service Manual

DSR-45/45P

3. Internal Time Code Output Waveform Check

Mode
Signal
Measurement point
Measuring instrument
Specified value
Connection of equipment
TC OUT (INT)
DSR-45/
45P
600 Ω: 270 (1-249-410-11) +330 (1-249-411-11)
Checking method:
1) Check that the TC output signal level (A) satisfies the speci-
fied value.
2) Check that the TC output signal rising time (T1) satisfies the
specified value.
3) Check that the TC output signal falling time (T2) satisfies the
specified value.
90%
A
10%
T1
PLAY
Time code recorded tape
TC OUT (INT) terminal (600 Ω
load)
Oscilloscope
A = 2.0 to 3.0 Vp-p (NTSC/PAL)
T1 = 20 to 30 µsec (NTSC)
T1 = 40 to 65 µsec (PAL)
T2 = 20 to 30 µsec (NTSC)
T2 = 40 to 65 µsec (PAL)
Oscilloscope
600 Ω
T2
Fig. 5-3-55

4. Internal Time Code Output Check

Mode
Signal
Measurement point
Measuring instrument
Specified value
Switch setting
Set the counter switch on the front panel to "TC".
Connection of equipment
DSR-45/
45P
Checking method:
1) Connect the time code reader (such as BVG-1500) to the TC
OUT (INT) terminal.
2) Check that the counter value on the front panel is same as the
value indicated on the time code reader.
90%
10%
5-98
PLAY
Time code recorded tape
Counter value of timer code reader
The counter value on the front panel
must be same as the value indicated
on the time code reader.
TC OUT (INT)
Time code reader
1H 09M 40S