Panasonic DVC PRO Studio AJ-D950P Service Manual page 689

4-6-7.PLL Lock Confirmation
(25M Mode, RP Lch)
Board RF EQ(H3)
Specification V play - V eject <= ± 0.05V
Test Point TP505
Adjustment Service Menu
Point
Input Signal
Mode Playback
Tape VFM3580KM (Color Bar Portion)
M.EQ Oscilloscope
1. Measure the voltage at TP505 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.
D15 RP PLL PHS L :
D16 RP PLL SL L
D42 PB MODE
4. Measure the Voltage at TP505 ( V play )
5. Adjust D32 RP PLL VCO L so that the voltage is
in the specification.
6. Confirm the red segment is not displayed on the
Error meter about L1 and L2
7. If it is not, adjust D15 RP PLL PHS L and D16 RP
PLL SL L and return to the step 5.
25
: -5
: RP H
4-6-8.PLL Lock Confirmation
(50M Mode, PB Rch)
Board RF EQ(H4)
Specification V play - V eject <= ± 0.05V
Test Point TP603
Adjustment Service Menu
Point
Input Signal
Mode Playback
Tape VFM3580KM (Color Bar Portion)
M.EQ Oscilloscope
1. Measure the voltage at TP603 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.
B08 PB PLL PHS R :
B69 PB PLL SL R
B41 VITERBI MODE :
B42 PB MODE
4. Measure the Voltage at TP603 ( V play )
5. Adjust B35 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 B08 PB PLL PHS R and B09 PB
PLL SL R and return to the step 5
10
: -60
OFF
: PB H