AV28BT7ENS / AV28BT7ENB
AV28BT7EES / AV28BT7EEB
AV28BT7EPS / AV28BT7EPB
ADJUSTMENTS
Measuring
ItemTest pointAdjustment partDescription
instrument
SCREENSignalSCREEN VR1. Receive a PAL colour bar.
VOLTAGEGenerator2. Enter the option settings in the SERVICE MENU.
[FBT]
Adjustment
3. Press the UP / DOWN ( �/ U) key, and Enter Option 02.
Remote
ControlOPTION 024. To change bit 6, come on to it by using L / R ( / ) key and
unitmake it ?1? by pressing ?1? white bit 2 is blinking.
5. Observe the thin horizontal blue-white line in the middle of the
screen, and adjust the lower VR of the FBT, until the line is in
its thinnest visible thickness.
SERVICE MENU
6. Then make Option 02 bit 6 ?0? , by pressing ?0? on the remote
control unit, although you do not see any picture.
SERVICE
ADJUST?..
OPTIONS?..
SELECT OPTION menu
FBT
FOCOUS
SCREEN
FOCUSSignalFOCUS VR1. Receive a PAL circle pattern.
Adjustmentgenerator2. Adjust the upper VR of the FBT, until you get the Optinum
[FBT]
focus, the sharpest picture.
B1DCMarked1. Check whether the voltage at the point named and silk
VOLTAGEVoltmeterscreened as ?150 / 115V? on the MAIN PWB is 150V DC.
[150/115V]
check
on the
MAIN PWB
No. 5188311 |