Pal Yc Mode Adjustment; Data Copy; Phase Adjustment - Sony BKM-142HD Maintenance Manual

2-6. PAL YC Mode Adjustment

1. Input the PAL YC color bar signal into INPUT 4, 5.
(100% White Ref. 75% Saturation)
2. Select 05 CH.

2-6-1. Data Copy

1. Select 01 CH.
2. Read the following adjustment data at the BKM-120W
menu of the MAINTENANCE menu.
CLP W
BGP W
3. Select 05 CH.
4. Set the following adjustment data to the same value as
the NTSC mode data read at step 2 at the BKM-120W
menu of the MAINTENANCE menu.
CLP W
BGP W
5. Select 02 CH.
6. Read the following adjustment data at the BKM-120W
menu of the MAINTENANCE menu.
BGP W
F0
7. Select 05 CH.
8. Set the following adjustment data to the same value as
the NTSC mode data read at step 6 at the BKM-120W
menu of the MAINTENANCE menu.
BGP W
F0
2-10

2-6-2. Phase Adjustment

Note 1: The following settings should be performed at the
BKM-120W menu of the MAINTENANCE menu.
ACC ON/OFF
PAL S/D
Note 2: The following adjustment menus are below the
BKM-120W menu of the MAINTENANCE menu.
SUB PHASE
ACC PHASE
R–Y PHASE
1. Input the ANTI PAL BARS/RED signal.
2. Set PAL S/D to D and turn ON ACC.
3. Connect the oscilloscope to TP421 of the BW board.
4. Adjust the SUB PHASE data so that the TP421
waveform becomes flat.
5. Turn OFF ACC.
6. Adjust the ACC PHASE data so that the TP421
waveform becomes flat.
7. Connect the oscilloscope to TP471 of the BW board.
8. Adjust the R–Y PHASE data so that the TP471
waveform becomes flat.
Fig. 2-21.
Below 10mV
BKM-120D/127W/129X/142HD