參數(shù)資料
型號: 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
文件頁數(shù): 29/39頁
文件大?。?/td> 728K
4 Troubleshooting
4-4
MO15E*
CONFIDENTIAL
4-3 No OSD
There is video but no OSD.
While pushing a front control
button, does any pulse appear
at Pin 16, 17 of IC501
Press exit key for more than 5
seconds to do the factory preset.
No
Do the pulses appear at Pin2
and Pin3 of CN600 while
pushing a front control button
Replace IC300 and
check its related circuit.
Yes
Yes
Replace IC501 or check its
related circuit.
Replace the key function PBA.
No
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