Panasonic DVC PRO Studio AJ-D950P Service Manual page 688

4-6-5. PLL Lock Confirmation
(50M Mode, RP Lch)
Board RF EQ (H3)
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 a 25M Master Tape.(A picture is not
appeared on the monitor. )
3. Set the items in the Service Menu as follows.
B15 RP PLL PHS L :
B16 RP PLL SL L
B42 PB MODE
4. Measure the Voltage at TP503 ( V play )
5. Adjust B32 RP PLL VCO L so that the voltage is
in the specification.
6. Confirm the red segment is not displayed on the
Error meter of L1 and L2.
7. If it is not, adjust B15 RP PLL PHS L and B16 RP
PLL SL L and return to the step 5.
45
: -60
: RP H
4-6-6.PLL Lock Confirmation
(25M Mode, PB Lch)
Board RF EQ (H3)
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 a 25M Master Tape.(A picture is not
appeared on the monitor. )
3. Set the items in the Service Menu as follows.
D01 PB PLL PHS L :
D02 PB PLL SL L
D41 VITERBI MODE :
D42 PB MODE
4. Measure the Voltage at TP605 ( V play )
5. Adjust D31 PB PLL VCO L so that the voltage is
in the specification.
6. Confirm the red segment is not displayed on the
Error meter of L1 and L2
7. If it is not, adjust D01 PB PLL PHS L and D02 PB
PLL SL L and return to the step 5.
0
: -20
OFF
: PB H