Sony DNW-A100 Maintenance Manual page 140

3-8. Analog Betacam PB System Alignment
3-8-26. TBC Y/C Delay Adjustment
Preparation
1. Stop the extending of the board.
Be sure to perform the adjustment without using the
extension board.
n
Before removing the board, wait for more than 30 seconds
after turning off the POWER switch.
2. Check the switch setting on the SS-63 board.
S1100-1 (J-1) 8 ON
3. Check the switch settings on the TBC-23
board.
Reset the switch settings on the TBC-23 board to the
factory settings. (Refer to step 1 in "3-8-2. Common
Preparation".)
4. Connect the equipment.
(Refer to Figure "Connection".)
5. Check the setting on the upper control panel.
REMOTE/LOCAL 8 LOCAL (unlit 9P)
6. Check the settings on the sub control panel.
CHARACTER switch
OUT REF switch
PROCESS CONTROL switch
. VIDEO switch
. CHROMA switch
. SET UP or BLACK LEVEL switch 8 PRESET
. Y/C DELAY switch
. CHROMA PHASE switch
KEY INHIBIT switch
7. Check the setup extend menu settings.
(NTSC model only)
ITEM-709: CAV LEVEL FORMAT
1. OUTPUT CAV LEVEL
ITEM-713: VIDEO SETUP REFERENCE LEVEL
0. MASTER LEVEL
3. BETACAM PB LEVEL
4. OUTPUT LEVEL
8. Check that the equipment has warmed up.
Before starting the adjustment, warm up the VTR and
other equipment through the power for 20 minutes or
more.
3-104
1. METAL Adjustment
1. Set the component waveform monitor to BOWTIE
mode.
2. Start the playback of alignment tape in PLAY mode.
PB portion: 50% bowtie signal (17:00 to 19:00) of
3. Adjust the deviations A and B between each center
marker and bowtie dip point of CH-1/CH-2 (Y/B-Y)
and CH-1/CH-3 (Y/R-Y).
Adj. points:
Specifications:
n
As the TBC-24 board of the board number suffixes 11
and 12 is without RV504, adjust RV500 only.
8 ON
8 REF
8 LOCAL
4. Eject the alignment tape.
8 PRESET
8 PRESET
8 PRESET
8 PRESET
8 OFF
8 B-CAM
8 0.0%
8 MSTER
8 MSTER
CR5-1B (NTSC) / CR5-1B PS (PAL)
Field 1: 1RV500/TBC-24(B-1)
Field 2: 1RV504/TBC-24(C-1)
A = 0 ± 10 ns
B = 0 ± 10 ns
Center markers
CH-1/CH-2 CH-1/CH-3
A B
DNW-A100/A50/A45
DNW-A100P/A50P/A45P