Panasonic DVC PRO Studio AJ-D950P Service Manual page 687

4-6-3. Preparation of EQ Adjustment.
VIDEO IN
75Ω Cable
Monitor
1. Connect a monitor as shown in above figure.
2. Switch Setting
Front bottom CF : 4F/8F
TV SYSTEM : 525
Front TC : INT
MODE : TAPE
3. USER MENU Setting
012 SYS FORMAT :
013 PB FORMAT
600 INT SIG
Note
Do not escape from the service adjustment menu to
direct USER MENU with DIP-SW1
In this case, a set value is not renewed.
A normal picture is not displayed when 25M tape is
played back in 50M mode. (SYS FORMAT : 422 and
PB FORMAT : MANUAL position)
VIDEO OUT 3
AJ-D950
AJ-PD950
422
: MANUAL
: CB (color bar)
4-6-4. PLL Lock Confirmation
(50M Mode, PB Lch)
Board RF EQ
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. Open the service Menu and select item B00 EQ
ED ADJUST Menu.
2. Measure the voltage at TP603 in the Eject mode.
( V eject )
3. Playback a 25M Master Tape. (A picture is not
appeared on the monitor. )
4. Set the items in the Service MENU as follows.
B01 PB PLL PHS L :
B02 PB PLL SL L
B41 VITERBI MODE :
B42 PB MODE
5. Measure the voltage at TP603.( V play )
6. Adjust B31 PB PLL VCO L so that the voltage is
in the specification.
7. Confirm the red segment is not displayed on the
Error Meter about L1 and L2.
8. If it is not, adjust B01 PB PLL PHS L and B02 PB
PLL SL L and return to the step 6.
10
: -60
OFF
: PB H