Panasonic DVC PRO Studio AJ-D950P Service Manual page 690

4-6-9.PLL Lock Confirmation
(50M Mode, RP Rch)
Board RF EQ(H4)
Specification V play - V eject <= ± 0.05V
Test Point TP503
Adjustment Service Menu
Point
Input Signal
Mode Playback
Tape VFM3580KM (Color Bar Portion)
M.EQ Oscilloscope
1. Measure the voltage at TP503 in the Eject mode.
( V eject )
2. Playback the 25M Master Tape.
Note : A normal picture is not appeared on the
monitor.
3. Set the items in the Service Menu as follows.
B22 RP PLL PHS R :
B23 RP PLL SL R
B42 PB MODE
4. Measure the Voltage at TP503 ( V play )
5. Adjust B36 RP PLL VCO R so that the voltage is
in the specification.
6. Confirm the red segment is not displayed on the
Error meter about R1 and R2.
7. If it is not, adjust B22 RP PLL PHS R and B23 RP
PLL SL R and return to the step 5
45
: -60
: RP H
4-6-10.PLL Lock Confirmation
(25M Mode, PB Rch)
Board RF EQ(H4)
Specification V play - V eject <= ± 0.05V
Test Point TP605
Adjustment Service Menu
Point
Input Signal
Mode Playback
Tape VFM3580KM (Color Bar Portion)
M.EQ Oscilloscope
1. Measure the voltage at TP605 in the Eject mode.
( V eject )
2. Playback the 25M Master Tape.
Note : A normal picture is not appeared on the
monitor.
3. Set the items in the Service Menu as follows.
D08 PB PLL PHS R :
D09 PB PLL SL R
D41 VITERBI MODE :
D42 PB MODE
4. Measure the Voltage at TP605 ( V play )
5. Adjust D35 PB PLL VCO R so that the voltage is
in the specification.
6. Confirm the red segment is not displayed on the
Error meter about R1 and R2.
7. If it is not, adjust D08 PB PLL PHS R and D09 PB
PLL SL R and return to the step 5.
0
: -20
OFF
: PB H