Dell E173FPc
46
Panel Power Circuit
Inverter Control Relative Circuit
U102-data Output
Measured the inverter connector CN104
Pin1 on/off control=3.3V (on)
Pin2 PWM signal control dim 0V-5V
Replace Inverter board to new one
And check the screen is normal?
OK
Check the BKlt-On relative circuit,
R162, in normal operation, when LED=green,
R162 BKlt-On should=3.3V, If BKlt-On
no-response when the power switch turn
on-off, Replace U101
Check NO SCREEN APPEAR block
NG
NG
OK
Check C158 should have response
from 0V to 5V when we switch the
power switch from on to off
Check the PPWR panel power relative circuit,
Q104, Q105, and check if the soldering for
them is well
OK
NG
Replace Q104
,
Q105
NG
Replace panel
Replace ZAN3XL (U102) or
replace Main board.
Check ZAN3/XL (U102)
Signal output (PIN5-14, 17-26)
Is the waveform ok?
Replace panel
If Main Board being replaced, please
do the DDC – content reprogrammed
and white-balance adjustment
OK
NG
OK
Содержание E173FPc
Страница 16: ...Dell E173FPc 16 4 4 Panel Specification 4 4 1 Display Characteristics For LPL panel For Hydis panel ...
Страница 17: ...Dell E173FPc 17 Display Characteristics For CPT panel ...
Страница 19: ...Dell E173FPc 19 For Hydis panel ...
Страница 20: ...Dell E173FPc 20 For CPT panel ...
Страница 21: ...Dell E173FPc 21 5 Block Diagram 5 1 Exploded View ...
Страница 24: ...Dell E173FPc 24 5 3 Electrical Block Diagram 5 3 1 Main Board ...
Страница 30: ...Dell E173FPc 30 The end The angle between CCFL line and vertical direction should be 30 40 degree ...
Страница 36: ...Dell E173FPc 36 7 2 PWPC Board ...
Страница 37: ...Dell E173FPc 37 ...
Страница 38: ...Dell E173FPc 38 8 PCB Layout 8 1 Main Board ...
Страница 39: ...Dell E173FPc 39 ...
Страница 40: ...Dell E173FPc 40 ...
Страница 41: ...Dell E173FPc 41 8 2 PWPC Board ...
Страница 42: ...Dell E173FPc 42 ...
Страница 43: ...Dell E173FPc 43 ...
Страница 53: ...Dell E173FPc 53 b Click the Select Chip button and choose the type you are going to program ...
Страница 54: ...Dell E173FPc 54 c Click the Select Bank0 button and selecting a file which a binary Format required ...
Страница 55: ...Dell E173FPc 55 d Select the communication Setting Port Name e Click the ConNect button ...
Страница 70: ...Dell E173FPc 70 15 2 HT17E13 100 ...
Страница 71: ...Dell E173FPc 71 15 3 CLAA170EA 07 ...
Страница 72: ...Dell E173FPc 72 ...