Panasonic AG-DV2500P, Service Manual

Page: 280 / 306

3-9
Measuring Measuring point ( )
No. Item instruments & Mode Adjustment parts ( ) Adjustment procedure
Input signals Adjustment level ( )
4 NTSC PB
BURST level
adjustment
(SETUP OFF) WFM (NTSC) or
oscilloscope
RED raster (built-
in signal) EE
ADJUST
MENU, 214.
PB BUR LEV
(S OFF) (1)Set the INPUT SELECT SW to LINE or Y/C.
(2)Select ADJUST MENU No. 214, "PB BUR LEV
(S OFF)".
(3)Adjust so that the burst level is as specified.
(4)Press the [SET] button to store the adjustment
data.
C OUT (Y/C jack) (75
terminated)
[PLAY] and [STOP]
buttons
40 IRE
(286 mVp-p)
5 NTSC Y/C IN
REC Y level
adjustment
(SETUP OFF) WFM (NTSC) or
oscilloscope
Y/C IN.
NTSC 100%
color bar
(SETUP 0%) EE
ADJUST
MENU, 215.
YC REC Y LEV
(S OFF) (1)Set the INPUT SELECT SW to LINE or Y/C.
(2)Select ADJUST MENU No. 215, "YC REC Y LEV
(S OFF)".
(3)Adjust so that the level from the pedestal to
100% WHITE is as specified.
(4)Press the [SET] button to store the adjustment
data.
Y OUT (Y/C jack) (75
terminated)
[PLAY] and [STOP]
buttons
100 IRE
(714 mVp-p)
6 NTSC Y/C IN
REC SETUP
level adjust-
ment
(SETUP OFF) WFM (NTSC) or
oscilloscope
Y/C IN.
NTSC 100%
color bar
(SETUP 0%) EE
ADJUST
MENU, 216.
YC REC ST LV
(S OFF) (1)Set the INPUT SELECT SW to LINE or Y/C.
(2)Select ADJUST MENU No. 216, "YC REC ST
LV (S OFF)".
(3)Adjust so that the setup level is as specified.
(4) Press the [SET] button to store the adjustment
data.
(5)Check ADJUST MENU No. 215, "YC REC Y LEV
Adjust the setup level by decreasing it from + side,
and stop decreasing when it just reaches 0.
(S OFF)". If it is deviated, adjust it again.
Y OUT (Y/C jack) (75
terminated)
[PLAY] and [STOP]
buttons
0 6 mV of the
pedestal level
40 IRE
(286mVp-p)
100 IRE
(714mVp-p)
53.6mV
6mV
0
(Note)
6mV
of the pedestal level
Adjustment without setup Adjustment with setup
Reference:
Note:
If a 7.5% setup signal should be used, the
same effect as this adjustment can be ob-
tained by adjusting the setup level to 53.6
mV ± 6 mV .