Sony DNW-A100 Maintenance Manual page 165

7. Composite Input Color Frame Detect Adjustment
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Check that the video output SCH from the test signal generator is within 0 ± 5d.
(1) Connect as connection 2.
(2) Select A24: INPUT CF DETECT of A2: AUDIO/VIDEO ADJUST of the maintenance mode.
(3) Set to "AUTO". = Push SET button so as to execute the auto adjustment.
(4) Check that the message "Adjust Complete" is displayed on the video monitor screen after completing
the adjustment.
(5) Observe the waveforms of TPs on the VPR-17 board with the oscilloscope.
. For BKDW-505
Observe TP304 (S-1) and TP307 (T-1).
Oscilloscope setting: TIME: 10 ms/DIV
. For BKDW-506
Observe TP305 (S-1) and TP307 (T-1).
Oscilloscope setting: TIME: 20 ms/DIV
A B C D E F G H J K
VPR-17 board (A-Side)
(6) Check that the waveforms of TPs are in phase.
• For BKDW-505
TP304
TP307
(7) Push the MENU button so as to exit A24: INPUT CF DETECT.
(8) Select A2F: NV-RAM CONTROL and save the adjusted data in NV-RAM (execute "SAVE ALL
ADJUST DATA").
(9) Check that the message "Save Complete" is displayed on the video monitor screen.
(10)Push the MENU button four times so as to exit the maintenance mode.
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
http://getMANUAL.com
L M T U V W X Y
P
N
S
R
• For BKDW-506
For BKDW-505
TP304
P
R
S
For BKDW-506
TP305
P
R
S
TP305
TP307
4-1. DEC-65 Board (BKDW-505/506)
TP307
T U
TP307
T U
4-11