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The manual was complete, parts list, adjustment procedures, etc. No worries
AV-21BD5EKI AV-21BD5EP AV-21BD5EE AV-21BD5EKIS AV-21BD5EPS AV-21BD5EES
ADJUSTMENTS
+B VOLTAGE CHECK
1. Receive the standard colour bar signal. 2. Connect digital voltmeter between + of B1 Line circuit and GND. 3. Confirm that voltage is DC 123V # 2.0V.
SCREEN
1. Set TV in AV mode without video signal � Black screen. 2. Set [WP Red], [WP Green] and [WP Blue] equal to �32�. 3. Set [Black R], [Black G] equal to �8�. 4. Set TV in normal I mode. 5. Adjust SCREEN VR (on FBT) such that the highest cathode cut-off voltage measured on CRT SOCKET PWB ASS�Y is DC 125V ± 5V.
WHITE BALANCE
NOTE : Confirm SCREEN Adjustment has been adjusted.
â� LOW LIGHT
1. 2. 3. 4. Input the 10-step gray scale signal. (include10% Black) Enter the SERVICE MODE. Turn the SCREEN VR (on FBT) gradually, to where the 2nd gray bar(10% Black) faintly visible. Adjust [Black B] and [Black R] not to the colours on the gray bar.
â� HIGH LIGHT
5. Apply the white signal. 6. Adjust [R DRIVE] and [G DRIVE] so that the picture becomes white.
FOCUS
1. Input the crosshatch pattern signal. 2. Adjust the FOCUS VR (on FBT) to have the best resolution on screen.
VERTICAL GEOMETRY
Adjust [V Amp], [V Shift] and [V Slope], [V Slope] [V S Cor] to compensate for vertical distortion.
HORIZONTAL PICTURE CENTERING
Adjust [H Shift] to have the picture in the center of the screen.
No.51742
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