Sharp 27J-S100 Service Manual page 10

27J-S100/180/260
CJ27S10/26
For adjustments of this model, the bus data is convered to various analog signals by the D-A converter circuit.
Note: There are still a few analog adjustments in this series such as focus and master screen voltage.
Follow the steps below whenever service adjustment is required. See Figure "B" to determine if service adjust-
ments are required.
1.Service mode -
Before putting unit into the service mode, check, that
customer adjustments are in the normal mode. use
the reset function in the video adjust menu to ensure
customer controls are in their proper ( reset ) position.
2. Service number selection
Once in the service mode, press the channel up or
channel down button on the remote transmitter or at
the set. the service adjustment number will vary in
increments of one, from S01 to P06(27J-S260/
CJ27S26),S01 to M05 (27J-S100/180/CJ27S10)
Select the item you wish to adjust.
3.Data number selection
Press the volume up or down button to adjust the
data number .
SERVICE ADJUSTMENT NUMBER
To enter the service mode and exit serv-
ice mode.
While pressing the Vol-up and Ch-up buttons at
once,plug the AC cord into a wall socket.
Now the TV set is switched on and enters the service
mode.
To exit the service mode shut the television off by
pressing the power button.
DATA NUMBER
CHANNEL
S01 55
Figure B
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