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Tovis MTG-02XT/XN Series, Руководство по эксплуатации и обслуживанию

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10 

 

 

 

TROUBLE SHOOTING CHART

 

 

NO RASTER

 

 

CONTRAST

 

 

BRIGHTNESS

 

 

 

BRIGHTNESS 

CHECK 

G1 VOLTAGE 

CHECK &   

REPLACEMENT 

Q507, D318

 

NO 

NO

 

CHECK &   

REPLACEMENT 

IC601, R604

CHECK C604 

VOLTAGE 

YES 

CHECK &   

REPLACEMENT 

SG401~SD403 VOLTAGE 

 

CONTRAST  

CHECK IC401 

#12 VOLTAGE 

CHECK &   

REPLACEMENT 

IC401

 

NO 

NO

 

CHECK &   

REPLACEMENT 

IC601

CHECK IC401 

#18 WAVEFORM 

YES 

CHECK &   

REPLACEMENT 

IC401 

YES

 

 NO RASTER  

YES 

CHECK & 

REPLACEMENT 

Q311, Q313

 

CHECK 

H/V & G2 

CHECK Q319 

WAVEFORM 

CHECK  

G1 & DC 80V

 

CHECK  

Q319-Base 

CHECK & 

REPLACEMENT 

Q307, Q309, Q310

CHECK & 

REPLACEMENT 

Q507

 

NO

YES

NO

NO

NO 

CHECK & 

REPLACEMENT 

FBT, CRT 

YES

YES

Содержание MTG-02XT/XN Series

Страница 1: ...ion subject to change as display technology advance This publication produced by TOVIS Engineering Division This monitor has been designed and manufactured to deliver high performance video For contin...

Страница 2: ...ission NEVER attempt to modify these circuits 2 Periodically check the high voltage with a reliably calibrated meter for values not in excess of Manufacturer s recommendations See high voltage Shut do...

Страница 3: ...m P22 M41QAR361X 19 FST 0 26mm P22 M46QCE261X 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 Maximu...

Страница 4: ...Monitor Test Specifications Parameter Size Normal Tolerance H V 0uA Beam Current 17 FST 19 FST 26 0KV 27 0KV 500V G2 17 FST 19 FST 530V 560V 10V Brightness 17 FST 19 FST 0 4FL 0 5FL 0 3FL Contrast 10...

Страница 5: ...Controls User s control A BRIGHTNESS ADJUSTMENT 1 Press the MODE key then Main Menu OSD come out as below Figure 2 Search BRIGHTNESS sub menu using UP DOWN key on the Main Menu OSD 3 Select the BRIGH...

Страница 6: ...factory adjustment value At first stage without any user s adjustment The monitor set upped by factory adjustment value Factory control On Screen Display This monitor has two adjustment mode One is f...

Страница 7: ...AIN or BIAS adjustment 9 If you want to adjust other GAIN or BIAS Repeat from item C Color Adjustment 10 Press MODE key again to finish the COLOR Adjustment 11 If you want to finish factory adjustment...

Страница 8: ...8 BLOCK DIAGRAM...

Страница 9: ...CHECK IC101 3 WAVEFORM YES NO CHECK REPLACEMENT BD101 PFC NO CHECK REPLACEMENT IC101 CHECK SIGNAL CABLE CHECK REPLACEMENT SIGNAL CABLE NO YES NO VIDEO CHECK IC401 21 24 26 PULSE CHECK IC401 23 DC LEV...

Страница 10: ...CEMENT SG401 SD403 VOLTAGE CONTRAST CHECK IC401 12 VOLTAGE CHECK REPLACEMENT IC401 NO NO CHECK REPLACEMENT IC601 CHECK IC401 18 WAVEFORM YES CHECK REPLACEMENT IC401 YES NO RASTER YES CHECK REPLACEMENT...

Страница 11: ...11 SERVICE NOTICS...

Страница 12: ...12 INTEGRATED CIRCUIT DIAGRAM IC201 u COM KS88C6348...

Страница 13: ...13 INTEGRATED CIRCUIT DIAGRAM IC501 IC HORIZONTAL VERTICAL OSC TDA9109A IC401 IC VERTICAL OUTPUT KA2142...

Страница 14: ...14 INTEGRATED CIRCUIT DIAGRAM IC801 IC VIDEO PRE AMP KA2500B IC802 IC VIDEO MAIN AMP LM2407...

Страница 15: ...15 INTEGRATED CIRCUIT DIAGRAM IC803 IC ON SCREEN DISPLAY S5D2508A IC101 IC SWITCHING REGULATOR STR F6656...

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