參數(shù)資料
型號： 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)： 29/65頁
文件大?。?/td> 1211K
代理商： SYNCMASTER170T_180T
5 Troubleshooting
SyncMaster 753DF/755DF
5-9
5-1-16 No Video
IC101 Pins 12, 14 and 16 inputs
are right
IC101 Pins 18, 21 and 24
outputs are right
Check I
2
C bus and +12 V line.
Yes
Yes
No
Check the signal cable connection.
No
IC103 Pins 1, 2 and 3 outputs
are right
Check +12 V, +72 V line.
Check and replace IC103.
Yes
No
Cathode DC levels are right
Check +72 V line.
Check and replace QR01, QR02,
QG01, QG02, QB01, QB02.
Yes
No
G2 voltage is right
Check G2 wire, CRT Socket board,
and FBT.
Change CRT.
Yes
Done.
No
Check signal cable and connection.
WAVEFORMS
15
16
17
15
1.00 V (IC101,#12,14,16)
CH1 P-P = 1.00V
CH1 RMS = 2.452V
16
1.00 V (IC101, #18,21,24)
CH1 P-P = 1.00V
CH1 RMS = 2.792V
17
20.0 V (IC103, #1, 2, 3)
CH1 P-P = 20.0V
CH1 RMS = 40.52V
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