Sony DNW-A100 Maintenance Manual page 55

Check and Adjustment
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Wait for more than 30 minutes after turning on the power, then perform the check and adjustment.
1. Component Video Output Level Check
Refer to 1-42 page for operation method of the maintenance mode when checking.
(1) Connect as connection 1.
(2) Push the S1101 on the SS-63 board so as to enter the maintenance mode.
(3) Select C21: VIDEO TEST SG of C2: AUDIO/VIDEO CHECK of maintenance mode.
(4) Set TEST SG output to 100% color-bar signal.
(5) Check using a waveform monitor that the levels of Y, R-Y and B-Y satisfy the specifications.
When the specifications are satisfied, perform "3. Component Video Output Phase Check".
If the specifications are not satisfied, perform "2. Component Video Output Level Adjustment".
COMPONENT Y
A
Specification : A = 700 ±7 mV p-p
2. Component Video Output Level Adjustment
Refer to 1-42 page for operation method of the maintenance mode when adjusting.
(1) Select A20: VPR VR of A2: AUDIO/VIDEO ADJUST.
(2) Adjust the level of the component signal that does not satisfy the specifications as "1. Component
Video Output Level Check" .
Y Select "Y OUTPUT LEVEL" and adjust.
R-Y Select "R-Y OUTPUT LEVEL" and adjust.
B-Y Select "B-Y OUTPUT LEVEL" and adjust.
(3) After completing the adjustments, push the MENU button once so as to exit "A20: VPR VR" .
(4) Select A2F: NV-RAM CONTROL and save the adjusted data in NV-RAM (execute "SAVE ALL
ADJUST DATA").
(5) Check that "Save Complete" is displayed on the video monitor screen.
(6) Push the MENU button two times so as to exit A2: AUDIO/VIDEO ADJUST.
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
http://getMANUAL.com
COMPONENT R-Y
B
Specification : B = 700 ±7 mV p-p
COMPONENT B-Y
C
Specification : C = 700 ±7 mV p-p
1-18. Installation of BKNW-104
1-43