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2-4. PAL Mode Adjustment
1. Input the PAL color bar signal into INPUT 2.
(100% White Ref. 75% Saturation)
2. Select 02 CH.
2-4-1. Data Copy
1. Select 01 CH.
2. Read the following adjustment data at the BKM-127W
menu of the MAINTENANCE menu.
CLP W
3. Select 02 CH.
4. Set the following adjustment data to the same value as
the NTSC mode data read at step 2 at the BKM-127W
menu of the MAINTENANCE menu.
CLP W
2-4-2. Burst Gate Pulse Width Adjustment
Note: The following adjustment menu is below the
BKM-127W menu of the MAINTENANCE menu.
BGP W
1. Input the PAL color bar signal.
2. Connect the CH1 probe of the oscilloscope to TP261
of the BW board, and connect the CH2 probe to TP322
of the BW board.
3. Adjust the BGPW data so that the output waveform of
the oscilloscope becomes as shown in Fig. 2-10.
TP261
a
b
TP322
Specification A = 3.4 ± 0.1 µsec
Fig. 2-10.
2-6
A
a=b
2-4-3. 4.43 f0 Adjustment
Note 1: ON/OFF of ACC should be performed with BKM-
127W menu of MAINTENANCE menu.
Note 2: The following adjustment menus are below the
BKM-127W menu of the MAINTENANCE menu.
F0
1. Turn OFF ACC.
2. Input the PAL color bar signal.
3. Connect TP322 and TP321 (5V) of the BW board
using a jumper wire.
4. Connect the oscilloscope to TP421 of the BW board.
5. Adjust the F0 data so that the waveform stops or
moves slowly.
6. Turn ON ACC.
7. Disconnect the jumper wire.
Fig. 2-11.
BKM-120D/127W/129X/142HD
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