akira CT-21XF9, Service Manual

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Model No: CT-21XF9A
Version 1.0
5. VERTICAL AMPLITUDE ADJUSTMENT
Enter the TV to the service mode, and receive pane test signals. Select the HIT item by pressing the
item adjustment button on the remote transmitter, and adjust vertical amplitude by pressing the data,
adjustment button so that vertical amplitude lacks a little. Continue to adjust vertical amplitude by
pressing the data adjustment button until the first bar on pane signal touches edge of screen.
6. HORIZONTAL AMPLITUDE ADJUSTMENT
Receive Philips test signals. Adjust the horizontal amplitude adjustment inductance L506 so that the
edge of the CRT covers the right and left borderlines of Philips picture by 1/3 grille.
7. BUS DATA INITIALIZATION
When the BUS DATA of TV is confused, enter the TV to the service mode. Press the SLEEP button on
the Remote Control will initialize the BUS DATAS for all adjustment items.
MAIN REPAIRING FLOW DIAGRAM
The following flow diagrams are for the corresponding troubleshooting, which can help you find the
causes for troubles. Check as the order shown on the flow diagrams, you can find the defective
component.