Sony DNW-A100 Maintenance Manual page 430

6-3. Analog Video Playback System Adjustment after Replacing the Drum
(11) OXIDE Y adjustment
Playback the 75% color-bar signal portion (0:00 to 3:00) of the alignment tape CR5-2A or CR5-2A
PS, and perform the adjustment.
(DNW-A100/A50/A45: CR5-2A, DNW-A100P/A50P/A45P: CR5-2A PS)
n
Adjust respectively for Y-A and Y-B channels.
Observing the Y-A channel, set the trigger of oscilloscope to the negative (_) slope.
Observing the Y-B channel, set the trigger of oscilloscope to the positive (+) slope.
Adjustment points: Y-A channel:
Y-B channel:
Specifications (Y-A and Y-B channels): D = 250 ± 20 mV p-p
(12) Eject the alignment tape CR5-2A/CR5-2A PS.
(13) To exit from A30 : EQ VR, press the MENU button once on the lower control panel.
(14) Saving data
Select A3F : NV-RAM CONTROL of the maintenance mode, then execute "SAVE ALL ADJUST
DATA".
(15) Check that the message "Save Complete" is displayed on the video monitor.
(16) To exit from A3F : NV-RAM CONTROL, press the MENU button once.
6-18
A30 : EQ VR : RF GAIN OXIDE-Y-A
A30 : EQ VR : RF GAIN OXIDE-Y-B
Center of V period
D
DNW-A100/A50/A45
DNW-A100P/A50P/A45P