Panasonic AG-DV2500P Service Manual page 279

3.3 VIDEO SYSTEM ADJUSTMENTS
• Use NTSC signals for the NTSC adjustments and PAL signals for the PAL adjustments.
• Use the specified signals to make adjustments whenever possible. When there are no specified signals, please refer to the "3.1.4
Notes for adjustments".
• The monitor image may fluctuate horizontally during adjustments. This phenomenon occurs only in the adjustment mode and does
not affect the adjustment results.
• When an item is selected in the ADJUST MENU and INPUT SELECT SW sets to LINE or Y/C, the INPUT SELECT is switched
automatically according to the selected item. If DV input is selected, disable automatic selection.
(1) NTSC circuit adjustments
Set the [NTSC/PAL] switch of rear panel to "NTSC".
Measuring
No. Item instruments &
Input signals
1 NTSC PB Y WFM (NTSC) or
level adjust- oscilloscope
ment
(SETUP OFF) 100% WHITE
(built-in signal)
2 NTSC PB WFM (NTSC) or
SYNC level oscilloscope
adjustment
(SETUP OFF) 100% WHITE
(built-in signal)
3 NTSC PB WFM (NTSC) or
Chroma level oscilloscope
adjustment RED raster (built-
(SETUP OFF) in signal)
3-8
Measuring point ( * )
Adjustment parts ( - )
Mode
Adjustment level ( + )
* Y OUT (Y/C jack)
EE
ADJUST (75 ! terminated)
- [PLAY] and [STOP]
MENU, 210.
PB Y LEV buttons
+ 100 IRE
(S OFF)
(714 mVp-p)
100 IRE
(714mVp-p)
* Y OUT (Y/C jack) (75 !
EE
ADJUST terminated)
- [PLAY] and [STOP]
MENU, 212.
PB SYNC LEV buttons
+ 40 IRE
(S OFF)
(286 mVp-p)
40 IRE
(286mVp-p)
* C OUT (Y/C jack) (75 !
EE
ADJUST terminated)
- [PLAY] and [STOP]
MENU, 213.
PB C LEV buttons
+ 908 mVp-p
(S OFF)
908mVp-p
Adjustment procedure
(1) Set the INPUT SELECT SW to LINE or Y/C.
(2) Select ADJUST MENU No. 210, "PB Y LEV (S
OFF)".
(3) Adjust so that the level from the pedes-
tal to 100% WHITE is as specified.
(4) Press the [SET] button to store the adjustment
data.
(1) Set the INPUT SELECT SW to LINE or Y/C.
(2) Select ADJUST MENU No. 212, "PB SYNC LEV
(S OFF)".
(3) Adjust so that the level from the pedes-
tal to the sync tip is as specified.
(4) Press the [SET] button to store the adjustment
data.
(1) Set the INPUT SELECT SW to LINE or Y/C.
(2) Select ADJUST MENU No. 213, "PB C LEV (S
OFF)".
(3) Adjust so that the chroma level is as specified.
(4) Press the [SET] button to store the adjustment
data.