Panasonic DVC PRO Studio AJ-D950P Service Manual page 698

4-6-25.EQ Phase Adjustment (25M RP)
Board RF EQ
Specification
Test Point
Adjustment Service Menu
Point
Input Signal
Mode PLAY
Tape VFM3580KM (Color Bar Portion)
M.EQ
1. Playback the 25M Master Tape.
2. Set the item as follows.
PB MODE : RP H
3. Adjust D19 RP PHASE L1 so that the L1 error
rate is minimum.
4. Adjust D21 RP PHASE L2 so that the L2 error
rate is minimum.
5. Adjust D26 RP PHASE R1 so that the R1 error
rate is minimum.
6. Adjust D28 RP PHASE R2 so that the R2 error
rate is minimum.
4-6-26.ADC Level Fine Adjustment
Board X-CAN(H2)
Specification
Test Point TP1,TP2(H2) TP2(H3)
Adjustment Service Menu
Point
Input Signal
Mode PLAY
Tape VFM3580KM (Color Bar Portion)
M.EQ Oscilloscope
1. Connect a scope CH1 to TP1 on H2 (X-CAN)
Board and CH2 to TP2 on H3 (RF EQ L) Board.
Scope CH1 : TP1(H2)
CH2 : TP2(H3)
2. Open the Service Menu and select the item B00
EQ ED ADJUST.
3. Playback a 25M Master Tape.
4. Adjust B37 ADC LEVEL L so that the noise level
is minimized as shown in the following figure.
5. Change the connection of scope CH1 to TP2(H2)
from TP1(H2).
6. Adjust B38 ADC LEVEL R so that the noise level
is minimized as shown in the following figure.
7. Escape the EQ ED ADJUST Menu and select the
D00 EQ DP ADJUST Menu.
8. Adjust D38 ADC LEVEL R so that the noise level
is minimized as shown in the following figure.
9. Change the connection of scope CH1 to TP1(H2)
from TP2(H2).
10. Adjust D37 ADC LEVEL L so that the noise level
is minimized as shown in the following figure.
Note
Confirm that the DC level is not held around ± 2.5V.
C H 1
C H 2
Minimize a noise in this
period
N G
O K
N G