Sony DNW-A100 Maintenance Manual page 175

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3. Component Video Output Phase Check
Refer to 4-1 page for the operation method of the maintenance mode when checking.
(1) Connect as connection 1.
(2) Select C21: VIDEO TEST SG of C2: AUDIO/VIDEO CHECK of the maintenance mode.
(3) Set TEST SG output to BOWTIE.
(4) Set the waveform monitor to BOWTIE mode.
(5) Measure the cross points of Y and B-Y, Y and R-Y, then check using a waveform monitor that the
deviation between the dip points and the center markers satisfy the specifications.
(6) Push the MENU button two times so as to exit C2: AUDIO/VIDEO CHECK.
Center markers
Y/B-Y Y/R-Y
A B
Specification : A = 0 ±10 ns Specification : B = 0 ±10 ns
(7) Reset the setting of S1100-1 on the SS-63 board to its previous state.
(8) When this unit operates in 525/60 system, reset the ITEM-709 and 713 to their previous state.
4-21
DNW-A100/A50/A45
DNW-A100P/A50P/A45P