Tovis MTG-2907TN, Service And Operation Manual

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PERFORMANCE AND OPERATING DATA
1. Power Supply
*Power Input: Auto-Doubler
90VAC ~ 132VAC, 50/60Hz
182VAC ~ 264VAC, 50/60Hz
*Fuse Rating: 250V, 50T 3.15A
*Power Consumption: 130Watt
±
20Watt
*Surge Current : 27A Peak (at 100VAC)
2. Signal Input
*Video: RGB Analog,
VGA Positive Signal (0.7V p-p / 75ohm)
CGA/EGA 2.5
∼
4Vp-p
*Sync: TTL Level, Positive or Negative Pulse
Separated 1 ~ 5Vp-p
Composite 1 ~ 5Vp-p
*Horizontal Scan: 15KHz ~ 32KHz
*Vertical Scan: 47Hz ~ 120Hz
*Resolution-Mode
Hf Vf Resolution
CGA 15.7KHz 60Hz 244H
EGA 24.8KHz 60Hz 381H
VGA 31.4KHz 60Hz 480H
3. Picture Tube
The Cathode Ray Tube shall be a LG Normal
& Dyna-Flat or equivalent
Size Dot Pitch Phosphor P/N
29 FST 0.82~1.1(H)mm P22 A68QBC230X
4. Pincushion
- 5% Maximum (All Brightness)
5. MTBF
- 20,000 Hours Minimum
6. Leakage Current
To chassis ground, at 220VAC, 50Hz (Line/Neutral in
common)
- 0.195mA Maximum
7. High Pot
Line/Neutral in common to secondary/chassis,
1500VAC 60Hz for 1 second
- 2.0mA Maximum, No Breakdown
8. Implosion Protection
- Provided by band and mounting lugs
9. Magnetic Shielding
- Internal
10. X-Radiation
- 0.50mR/hr Maximum
11. Mis-convergence
- Center : 0.40mm Maximum
- Corners : 2.0mm Maximum
12. Non-Linearity
Using a vertical and horizontal symmetrical cross
hatch pattern to equation for non-linearity will be
Non-linearity (%) = ((largest grid minus the smallest
grid) Divided by (largest grid plus
the smallest grid)) times 100.
- 10% maximum
13. Temperature
- Operating: 0° ~ 40°C
- Storage: -10°C ~ 60°C
- Humidity: 10% ~ 80%(Non-condensing)
14. Degaussing
Automatic at power-up and software via control
Switch “SEL”
15. Regulation (Static)
The horizontal and vertical size will change less than
4mm for a 25% white level abrupt luminance change.
16. Display Stability for Temperature
The temperature is cycled from 25°C to 0°C, and
from 25°C to 50°C the video size and centering drift
will not exceed 5mm horizontally or 4mm vertically.
(Measured after a 20 min. warm-up period at 25°C)
17. Monitor Test Specifications
Parameter Normal Tolerance
H/V 29.5KV +/- 500V
G2 500V +/- 10V
Brightness 0.50FL +/- 0.3FL
Contrast 60.0FL +/- 5FL
White Balance X: 0.281, Y: 0.311 +/- 0.015
*Test Mode: VGA 640 x 480(Fh: 31KHz, Fv: 60Hz)
*Signal: BSG-170 (BARO)
18. WARRANTY
Manufacturer warranty 2 years parts and labor.
(Except on C.R.T)