Specifications

CA1 Course Notes
Sharp Electronics (UK) Limited
CE Technical Support Group Page 63
CA1 Service Set Up Mode
To adjust the preset values contained within the NVM it is first necessary to enter the Service Mode, this
is described below :-
1. Ensure that the receiver is on and displaying a picture, then switch it off using the mains
switch.
2. Press the volume down button and the channel up button simultaneously.
3. Whilst still holding down the above buttons, switch the receiver on using
the mains switch. Continue holding the buttons until a picture appears.
4. When the picture appears, the set will be in the service mode, release the buttons.
It is now possible to adjust the following settings :-
Horizontal Shift
Vertical Shift
Vertical Amplitude
Vertical Slope
Chrominance/Luminance Delay
Red Gain
Green Gain
Blue Gain
NVM Codes ( see the CA1 Non Volatile Memory Codes section of these notes )
To change the setting mode, press the channel up or down button on the remote control of front of the
television. To adjust the setting use the volume up or volume down buttons. When the adjustment is
completed, the value will be automatically stored in the memory. Note that the NVM codes do not set
this way.
There are four adjustments that are recommended to be carried out with reference to the service
manual. These are :-
1. PIF/AGC Adjustment.
2. RF AGC Cut in Adjustment ( I C Bus ).
2
3. Focus Adjustment.
4. G2 Adjustment.