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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 of 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.
6.6.8. PLL Lock Confirmation (50M Mode, PB Rch)
Board
Specification
Test Point
Adjustment Point
Input Signal
Mode
Tape
M.EQ
1. Measure the voltage at TP603 in the Eject mode. ( V eject )
2. Playback a 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 : 10
B69 PB PLL SL R : -60
B41 VITERBI MODE : OFF
B42 PB MODE : PB H
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 of 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.
6.6.9. PLL Lock Confirmation (50M Mode, RP Rch)
RF EQ (H4)
V play - V eject <= ±
0.05V
TP603
Service Menu
Playback
VFM3580KM (Color Bar
Portion)
Oscilloscope
105
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