Sony DVCAM DSR-50, Руководство по обслуживанию

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5-97 5-98 E
3. Internal Time Code Output Waveform Check
Mode PLAY
Signal Time code recorded tape
Measurement point TC OUT (INT) terminal (600
Ω
load)
Measuring instrument Oscilloscope
Specified value 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)
Connection of equipment
Checking method:
1) Check that the TC output signal level (A) satisfies the specified
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.
DSR-50/
50P
600
Ω
TC OUT (INT)
600
Ω
: 270 (1-249-410-11) +330 (1-249-411-11)
Oscilloscope
4. Internal Time Code Output Check
Mode PLAY
Signal Time code recorded tape
Measurement point Counter value of timer code reader
Measuring instrument
Specified value The counter value on the front panel
must be same as the value indicated
on the time code reader.
Switch setting
Set the counter switch on the front panel to “TC”.
Connection of equipment
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.
A
90%
90%
10%
10%
T1 T2
Fig. 5-3-55
Time code reader
1H 09M 40S
DSR-50/
50P
TC OUT (INT)
3-8. ARRANGEMENT DIAGRAM FOR ADJUSTMENT PARTS
CT2200
RV2201
RV1103
IC1105
CN1101
RV1102
RV1104
RV1101
RV1100
IC1101 IC3302
CL1157
CL1122
CL1124
CL1169
CL2214
CL3305
CL1170
CL1162
CL1160 CL1161
CL1145
IC1102
IC1103 IC1104
CL2217
16 9
48
49
64
32
17
33
1 16
25 32
1
8
24
17
IC1108
IC2204
CT3300
Q1116
E B
C
JC-20 BOARD (SIDE A)
JC-20 BOARD (SIDE B)