Table of Contents
Advertisement
PIN NO.
1.
2.
3.
4.
5.
6.
7.
8.
3. Apply power to the display by turning the power switch to the "ON" position and allow about thirty seconds for display
tube warm-up. The Power-On indicator lights when the display is on.
4. With proper signals feed to the display, a pattern or data should appear on the screen, adjust the brightness and contrast
to the most pleasing display.
5. This monitor has power saving function following the VESA DPMS. Be sure to connect the signal cable to the PC.
6. If your color display requires service, it must be returned with the power cord.
4-1 ADJUSTMENT CONDITIONS AND PRECAUTIONS
1. Approximately 30 minutes should be allowed for warm up before proceeding.
2. Adjustments should be undertaken only on those necessary elements since most of them have been carefully preset at
the factory.
4-2 MAIN ADJUSTMENTS
NO.
FUNCTION
1.
54V ADJ
2.
HIGH VOLTAGE ADJ
3.
SCREEN ADJ
4.
FOCUS ADJ
5.
ABL ADJ
6.
SUB BRIGHTNESS ADJ
7.
SHUTTLE KNOB
4-3 ADJUSTMENT METHOD
1. B + & HV voltage adjustment:
A. Chrome-2000 Signal generator or PC equivalent set mode 7, VGA 1024 x 768 pattern 1.0.
B. Connect a DC Volt meter between TP 904 and ground, then adjust VR902 to be 54.0 VDC.
C. Connect a DC Volt meter with HV probe 1000: 1 between CRT Anode and ground, Then adjust VR801 to be
26.5KV.
D. Connect a DC Volt meter between TP401 (G1) and ground, Brightness set to 50. Then adjust VR403 to be –
35VDC.
DESCRIPTION
RED
GREEN
BLUE
GND
GND
GND-R
GND-G
GND-B
4. ADJUSTMENT
LOCATION
PCB - MAIN
PCB - MAIN
FLY BACK TRANS
FLY BACK TRANS
PCB - MAIN
PCB - MAIN
KEY - BOARD
PIN NO.
DESCRIPTION
9.
NC
10.
GND
11.
SYNC. GND
12.
SDA
13.
HORIZ. SYNC
14.
VERT. SYNC (•VCLK)
15.
SCL
DESIGNATION
VR902
VR801
T802
T802
VR401
VR403
SW103
Advertisement
Table of Contents
Troubleshooting
