2. PLAYBACK Y-SINGAL OUTPUT LEVEL
1) Playback the test tape (Color Bar Signal).
2) Connect the oscilloscope to TP396 and trigger the scope will a composite SYNC signal at TP313.
1)
Adjust the scope so that it can display a waveform of approx. 2H.
3) Adjust RV396 to optain 2.0VP
¡
0.2 Vp-p between the SYNC TIP and 100% white level.
3. SYNC TIP FREQUENCY
1) Set the unit to stop mode without video signal. (Jack of video line input is shorted with ground).
2) Conncet the frequency counter to TP391.
3) Adjust RV391 until the SYNC TIP frequency becomes 3.80 MHz
¡
0.1 MHz.
7
Adj. Location
Checking Point
Measuring Equipment
Mode
Test Tape
RV396
TP396
Oscilloscope
PB
DP-1
Adj. Location
Checking Point
Measuring Equipment
Mode
Test Tape
RV391
TP391
Oscilloscope
REC.
ƒ¡
2.0
¡
0.2Vp-p
Horizontal 10
¥
s/div
Vertical 0.5V/div.
Содержание DVR-1181D
Страница 13: ...3 1 CONNECTION DIAGRAM 11 SECTION 3 CIRCUIT DIAGRAM...
Страница 14: ...3 2 POWER CIRCUIT 12...
Страница 15: ...3 3 SERVO SYSCON CIRCUIT 13...
Страница 16: ...3 4 VIDEO CIRCUIT 14...
Страница 17: ...3 5 PRE AMP CIRCUIT 15...
Страница 18: ...3 6 AUDIO CIRCUIT 16...
Страница 19: ...3 7 LOGIC SW CITRCUIT DVR 1181 SERIES 17...
Страница 20: ...3 8 LOGIC SW CITRCUIT DVR 1383 SERIES 18...
Страница 21: ...3 9 LOGIC SW CITRCUIT DVR 1989 SERIES 19...
Страница 30: ...5 2 PCB FRONT AS DVR 1181 SERIES FRONT PCB DVR 1383 SERIES FRONT PCB DVR 1989 SERIES FRONT PCB 28...