Panasonic DVC PRO Studio AJ-D950P Service Manual page 686

4-6. RF EQ
4-6-1. ENV Level Adjustment (Lch)
Board RF EQ (H3)
Specification Vdc = 2.5V ± 0.2V
Test Point TP1, TP2, TP103, TP203
Adjustment Service Menu
Point
Input Signal
Mode Playback
Tape VFM3580KM (Color Bar Portion)
M.EQ Oscilloscope
1. Scope Probe 10 : 1
CH1 : TP203 CH2 : TP1 (Trigger)
2. Open the Service Menu and select the item C00
RF ED.
3. Playback the Master Tape
4. Adjust C15 RP MAG L1 and C16 RP MAG L2 so
that the DC level Vdc is 2.5V ± 0.2V
5. Change the connection of the Oscilloscope.
CH1 : TP103 CH2 : TP2 (Trigger)
6. Adjust C23 PB MAG L1 and C24 PB MAG L2 so
that the DC level Vdc is 2.5V ± 0.2V.
7. Press the MENU Button and the return to the
Service Main Menu.
8. Select the item E00 RF DP.
9. Adjust E23 PB MAG L1 and E24 PB MAG L2 so
that the DC level Vdc is 2.5V ± 0.2V
10. Change the connection of the Oscilloscope.
CH1 : TP203 CH2 : TP1 (Trigger)
11. Adjust E15 RP MAG L1 and E16 RP MAG L2 so
that the DC level Vdc is 2.5V ± 0.2V.
12. Eject a tape and close the Service Menu.
13. Turns power OFF.
TP203
TP103
TP1
TP2
Vdc = 2.5V ±
Vdc
GND
0.2V
4-6-2. ENV Level Adjustment (Rch)
Board RF EQ (H4)
Specification Vdc = 2.5V ± 0.2V
Test Point TP1, TP2, TP103, TP203
Adjustment Service Menu
Point
Input Signal
Mode Playback
Tape VFM3580KM (Color Bar Portion)
M.EQ Oscilloscope
1. Scope Probe 10 : 1
CH1 : TP203 CH2 : TP1 (Trigger)
2. Open the Service Menu and select the item C00
RF ED.
3. Playback the Master Tape
4. Adjust C19 RP MAG R1 and C20 RP MAG R2 so
that the DC level Vdc is 2.5V ± 0.2V
5. Change the connection of the Oscilloscope.
CH1 : TP103 CH2 : TP2 (Trigger)
6. Adjust C27 PB MAG R1 and C28 PB MAG R2 so
that the DC level Vdc is 2.5V ± 0.2V.
7. Press the MENU Button and the return to the
Service Main Menu.
8. Select the item E00 RF DP.
9. Adjust E27 PB MAG R1 and E28 PB MAG R2 so
that the DC level Vdc is 2.5V ± 0.2V
10. Change the connection of the Oscilloscope.
CH1 : TP203 CH2 : TP1 (Trigger)
11. Adjust E19 RP MAG R1 and E20 RP MAG R2 so
that the DC level Vdc is 2.5V ± 0.2V.
12. Eject the tape and close the Service Menu.
13. Turns power OFF.
TP203
TP103
TP1
TP2
Vdc = 2.5V ±
Vdc
GND
0.2V