ADJUSTMENT INSTRUCTIONS
1. Application Object
These instructions are applied to the
2.Notes
(1)Because this is not a hot chassis, it is not necessary to use an isolation transformer. However, the use of an isolation transformer will help protect test instruments.
(2)Adjustments must be done in the correct order.
(3)The input voltage of the receiver must remain at 120V±10% while adjusting.
(4)The receiver must be operated for about 20 minutes prior to the adjustment.
[Never operate the set over 10 minutes with a still picture because a fluorescent material may get damage.
3.Focus Adjustment
A 
(1) Set Picture condition to “APC ON”.
CONTRAST : 100
BRIGHT : 50
APC ON TINT : 55
COLOR : 0
SHARPNESS : 55
(2)Set the Aspect ratio to Wide Mode.
(3)Receive a Cross Hatch Pattern, adjusting the FOCUS Knob on the flyback transformer for the best focus in the area designated “A” above.
[Heat run over 15 minutes before adjustment.
4-2. Adjustment
(1)Select EZ Adjust 3.
When it enters to adjustment mode, the pattern from a signal generator is being selected, it becomes with Normal image 16:9 and the
(2)Connect the oscilloscope ground lead to GND on the CPT board and the probe to the GK pin connector of the CPT socket.
Using the SCREEN knob on the Flyback Transformer, adjust the black level voltage to 180±2V.
180±2V
(SCREEN voltage adjustment OSCILLOSCOPE, 100:1 PROBE, VOLTS/DIV : 0.5V/DIV SEC/DIV : 5us, The TRIGGER MODE it puts in the
5. Deflection Adjustment
5-1. Preliminary Steps
Select EZ Adjust 1. Raster, Cent, H/V Size by using the ADJ key on the SVC Remote control.
In the adjustment mode a Digital Pattern signal signal is displayed.
5-2. Raster V-Center(V.Center) Adjustment
Select 62.
5-3. Vertical Deflection Size Adjustment
(Overscan : 10%)
(1)Select 59.
(2)Adjust until the smaller inscribed circle coincides with the outer frame of screen.
(3)Select 95.
4.
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(1)Service remote control
(2)Oscilloscope(100:1) Probe
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