參數(shù)資料
型號(hào): MO15E*TFT-LCD
英文描述: Monitor_ICs:7SZ14 GS1881 MASCOTV NT7181 NT68F63 524C80D81 QZX363C5V6
中文描述: Monitor_ICs:7SZ14 GS1881 MASCOTV NT7181 NT68F63 524C80D81 QZX363C5V6
文件頁(yè)數(shù): 27/39頁(yè)
文件大?。?/td> 728K
Does the pulse appear
at Pin 8 of IC501
CONFIDENTIAL
4 Troubleshooting
4-2
MO15E*
4-2 No Video
Power indicator is green.
Replace X501 or
check its related circuit.
No
Does the clock pulse
appear at Pin 78 of IC300
Does the H-sync
pulse appear at
Pin 38, 39 of IC300
Check R304, 305, 306 and 307.
Replace IC401 or check
its related circuit.
No
Do the sync pulses appear at Pin
27, 28, 30 and 31 of IC401
Yes
Yes
No
No
Yes
Yes
Replace X301 or
check its related circuit.
No
No
1
2
Does the clock pulse
appear at Pin 73 of IC300
9
12
8
Do the pulses appear
at Pin 43, 44 of IC501
Replace IC202(SOG) or check R207
and Pin 13, 15, 17, 19 of CN202.
13 14 15
10
1
3
4
5
11
Do the waveforms
appear at Pins 39
and 40 of IC401
Replace LCD Panel.
Yes
Replace IC300.
Yes
No
Replace IC501 or
check its related circuit.
Yes
6
7
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