參數(shù)資料
型號(hào): SYNCMASTER170T_180T
英文描述: Monitor_ICs:GS1881 AD9884AKS-140 416S1020B MTV121P-31 MX88L282FC 3P863
中文描述: Monitor_ICs:GS1881 AD9884AKS - 140 416S1020B MTV121P - 31 MX88L282FC 3P863
文件頁數(shù): 26/65頁
文件大小: 1211K
代理商: SYNCMASTER170T_180T
5 Troubleshooting
5-6
SyncMaster 753DF/755DF
5-1-11 V Deflection Failure
13 V, –10 V line is on
IC401 Pin 12 output exists
Check and replace IC401.
Yes
Yes
No
Refer to 5-1-1 No Power Supply
No
IC301 Pin 6 output exists
Check and replace some parts
around IC301.
Yes
No
Check DY connector connection.
WAVEFORMS
8
9
8
5 V (IC401, #12)
CH1 P-P = 5 V
CH1 RMS = 1.425 V
9
10.0 V (IC301, #6)
CH1 P-P = 10.0 V
CH1 RMS = 5.06 V
5-1-12 V Size or Pos. Variation Failure
IC401 Pin 12 output varies with
different DAC values
Yes
Check and replace IC201, IC401.
Check and replace IC301.
No
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