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(C) Auto Function Test Mode : UP (+) Key if pressed when the power SW on.
Mode 1: Out put the maximum and minimum value of DAC for each control if the video
signal comes in.
Mode 2: Out put the Cross Hatch Pattern for 1 munites if the Signal Cable is not connected
(5) B+ Adjustment
(A) MODE: No. 12.
(B) Pattern: Full white. (Brightness just cut off)
(C) Adjust VR101 to make the cathode of D112 has 13.6V.
(D) Check other power source should be 82 + 2V, 6.2V + 0.3V, 49V + 1.5V, -11.5V + 0.5V.
(6) X-RAY Test
(A) Mode: No.12
(B) Pattern: Normal Crosshatch (Brightness just cut off)
(C) Test
Apply a resistor(39K, 1/4W, 1%) between TP1 and TP2 then power on, Monitor should be
active in X-Ray protector.
(7) H. V. Confirmation
(A) Mode: No. 12
(B) Pattern: Full Black (Brightness just cut off)
(C) Check the high voltage is 25.5 + 0.5kV.
(8) H-Raster Center Adjustment
(A) Mode: No. 18
(B) Pattern: Crosshatch Reverse
(C) Adjust the Brightness Control that the background can be visible.
(D) Change VR301 to make the back ground should be center off the CRT.
(9) Pre-Adjustment
(A) Mode: No. 12
(B) Pattern: Crosshatch
(C) Enter to Factory mode. Adjust H-phase, V-center, H-size, V-size, Pincushion, Trapezoid,
Bow, Parallelogram and rotation to make Picture Position Center and Picture Size
310*232mm.
(10) White Balance Adjustment
(A) Setting
Enter Factory Mode,
Mode: No. 12, Pattern: Full White.
Warm up 30 min.
Make External Degauss.
For SRGB adjust, please change mode to No.20.
15
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