Component Output Level Adjustment - Sony DNW-A100 Maintenance Manual

3-8. Analog Betacam PB System Alignment
3-8-17. Guard Band Width Adjustment

3-8-18. Component Output Level Adjustment

5. OXIDE Playback Check
1. During play back the alignment tape in VARIABLE
+1 time speed mode (or the search +1 time speed
mode), check that the picture (color-bar) on the video
monitor is satisfied the following specifications.
If the specification is not satisfied, check again after
performing the following steps (1) through (5).
PB portion: 75% color-bar signal (0:00 to 3:00) of
CR5-2A (NTSC) / CR5-2A PS (PAL)
Specification 3: The picture (color-bar) is colored.
(The C signal is not fully muted.)
If the specification 3 is not satisfied (OXIDE)
(1) Set the CHARACTER switch to ON.
(2) To operate the maintenance mode, press the MENU
button once.
(3) Subtract 1 from the data of "GUARD BAND OXIDE-
C" in A35 : DM VR 4.
(4) To perform the tape operation, press the SET button
once.
(5) Set the CHARACTER switch to OFF.
(6) Perform step 1 again.
2. Eject the alignment tape.
6. Data Save (Store the Adjusted Data)
1. To operate the maintenance mode, press the MENU
button once.
2. To exit A35 : DM VR 4, press the MENU button once.
When the data is not changed only, skip over to step 5.
3. Enter A3F : NV-RAM CONTROL, then execute
"SAVE ALL ADJUST DATA".
. Message "Save Complete" is displayed on the video
monitor when this data save is completed normally.
n
When loading the previous data without save the
current adjusted data, execute "ALL DATA PREVI-
OUS".
4. To exit A3F : NV-RAM CONTROL, press the MENU
button once.
5. To exit the maintenance mode, press the MENU
button three times.
3-90
3-8-18. Component Output Level Adjustment
Preparing tools
. Analog composite video signal generator
For NTSC: TEKTRONIX TSG-170A or equivalent
For PAL: TEKTRONIX TSG-271 or equivalent
. Analog component waveform monitor:
TEKTRONIX WFM300 or equivalent
. Analog component video monitor
n
This video monitor is for menu displaying.
. Alignment tapes
For NTSC: CR5-1B
CR5-2A
For PAL: CR5-1B PS (Part No. 8-960-096-91) and
CR5-2A PS (Part No. 8-960-098-44)
. 75 Z terminators (4 pieces)
Composite video
signal generator
DNW
VIDEO INPUT
BLACK BURST
REF VIDEO
VIDEO OUTPUT
COMPONENT
a : Use the same
length cables
(0.5 m)
VIDEO OUTPUT
COMPOSITE 3
Connection
Preparation
1. Check the switch setting on the SS-63 board.
8 ON
S1100-1 (J-1)
2. Check the switch settings on the DM-89 and
TBC-23 boards.
Reset the switch settings on the DM-89 and TBC-23
boards to the factory settings. (Refer to step 1 in "3-8-2.
Common Preparation".)
(Part No. 8-960-096-41) and
(Part No. 8-960-097-44)
Component
waveform monitor
EXT REF
CH-1 CH-2 CH-3
75 Z
a
Y
a
B-Y
75 Z
a
R-Y
Video monitor
(terminated
with 75Z)
DNW-A100/A50/A45
DNW-A100P/A50P/A45P