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Dell E153FPc
36
9.2 Trouble shooting
9.2.1 Main Board
No Display
Note:
1. If replace “
Main-Board
”, Please re-do “DDC-content” programmed & “White-Balance”.
2. If replace “
Power Board
” only, Please re-do “ White-Balance”
OK
Measured CN104 pin5 = 5 V?
Measured U101 pin 44= 5V?
Measured U105 pin 2= 3.3V?
Check Power board, is there DC level output?
Check U105 pin3=5V, U105 pin2=3.3V?
Is there any shortage or cold solder?
OK
Disconnected the Signal cable (Loose the
Signal cable), Is the screen show Block
WRGB color bars?
Connected the Signal cable again,
Check LED status.
Green
ReplaceU102
Scalar IC
NG
Connected the Signal
cable again Check LED
status.
Check Power switch is in Power-on
status, and check if Power switch had
been stuck?
Orange
OK, Keyboard no stuck
Orange
Green
Check the Wire-Harness from CN101
Measured RGB (R112, R114,)
H/V Input at U102 pin 95,96,
Was there have signal?
Check
Correspondent
component
short/open
(Protection Diode)
NG
OK, Wire tight
enough
Check
Panel-Power Circuit
Block
OK, Panel Power OK
Check
U200 Data-output
Block
Replace
Inverter board
and Check
Inverter
control relative circuit
Re-do White balance adjust
Measured Crystal
X101
OK
Replace
U102 (ZAN3XL)
OK
OK, U102 data OK
NG
OK
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Содержание E153FPc
Страница 14: ...Dell E153FPc 14 5 Block Diagram 5 1 Monitor Exploded View www ma163 com 电子技术资料网 ...
Страница 17: ...Dell E153FPc 17 5 2 Software Flow Chart www ma163 com 电子技术资料网 ...
Страница 19: ...Dell E153FPc 19 5 3 Electrical Block Diagram 5 3 1 Main Board www ma163 com 电子技术资料网 ...
Страница 25: ...Dell E153FPc 25 The end Lay the FFCL as the figure show www ma163 com 电子技术资料网 ...
Страница 33: ...Dell E153FPc 33 8 PCB Layout 8 1 Main Board www ma163 com 电子技术资料网 ...
Страница 34: ...Dell E153FPc 34 8 2 Inverter Power Board www ma163 com 电子技术资料网 ...
Страница 45: ...Dell E153FPc 45 www ma163 com 电子技术资料网 ...
Страница 47: ...Dell E153FPc 47 d Select the communication Setting Port Name e Click the ConNect button www ma163 com 电子技术资料网 ...
Страница 61: ...Dell E153FPc 61 14 Definition of Pixel Defects CLAA150XG 09 www ma163 com 电子技术资料网 ...
Страница 62: ...Dell E153FPc 62 www ma163 com 电子技术资料网 ...