Rf System Adjustment - Sony DVW-250 Maintenance Manual

9-5. RF System Adjustment

9-5. RF System Adjustment
9-5-1.
RF Parameter
Initialize
NO
Was the EQ-54
board replaced?
9-5-2.
Transversal
Filter Adjustment
9-5-3.
PLL Adjustment
YES
Was the drum
replaced?
9-5-4.
NO
Phase Adjustment
9-5-5.
ADC V-ref Adjustment
9-5-6.
ADC Sampling
Phase Adjustment
9-5-7.
Equalizer (AMP)
Adjustment
9-5-8.
Recording Current
Adjustment
9-5-9.
Equalizer (PHASE)
Adjustment
9-5-10.
REC CONFI
Channel Condition
Check
9-5-11.
Self REC/PB
Channel Condition
Check
9-5-12.
Alignment Tape
Playback Channel
Condition Check
9-5-13.
Save the
Adjustment Data
9-5-15.
Setting after RF
Adjustment
9-14
START
YES
9-5-3.
PLL Adjustment
NG
OK
NG
Tracking check
Check as follows.
RV401 (A-4) /SST-3
→ Mechanical
center (click point)
OK
(Tracking control
volume)
RV401 (A-4) /SST-3
→ Mechanical
center (click point)
(Tracking control
volume)
FINISH
Check the video
head head-to-tape
contact.
NG
OK
Check the video
head head-to-tape
contact.
NG
YES
Perform the Tape
Path Adjustment.
NO
(Refer to Section 7.)
1
OK
How many times is
2
this place reached?
3
OK
How many times is
this place reached?
NG
9-5-14.
Manual Adjustment
9-5-13.
Save the
Adjustment Data
9-5-15.
Setting after RF
Adjustment
FINISH
1
2
3
DVW-250/250P