Decoder Free Run Adjustment (Vd-28 Board) - Sony DSR-50P Service Manual

28. Decoder Free Run Adjustment (VD-28 Board)

Mode E-E
Signal Color bar (burst signal and chroma
signal OFF)
(S VIDEO input) (Note1)
Measurement Point S VIDEO OUT C terminal
Measuring Instrument Oscilloscope
Frequency counter (Note2)
Adjustment Page E
Adjustment Address A9
Specified Value f = 3579545 ± 20 Hz (NTSC)
f = 4433618 ± 20 Hz (PAL)
Note1: Set "S VIDEO" mode with INPUT SELECT switch
Note2: Connection of equipment
DSR-50/50P
S VIDEO OUT C
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 9, address: 06, set data: 20, and press the PAUSE
button.
3) Select page: E, address: A9, change the data and adjust the
decoder free run frequency (f) to the specified value.
4) Press the PAUSE button of the adjustment remote commander.
5) Select page: 9, address: 06, set data: 00, and press the PAUSE
button.
6) Select page: 0, address: 01, and set data: 00.
Frequency
Oscilloscope
counter
5-74