Samsung GT-P7510 Service Manual page 39

Level 3 Repair
8-3-7. LCD
LCD is still off after PWR ON
Check the connection of
Check the C818
and High(18V)
Check C821 = 1.8V,
C823 = 3.3V, C833= 1.2V
Check the signal
DISPLAY_PCLK(TP809)
LCD_D(0)(TP801)
Check the signal
IDISPLAY_PCLK(TP806)
LCD_F(0)(TP800)
Check C800 = 1.8V,
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Yes
SLC800
Yes
Yes
cV
Yes
Yes
Yes
Yes
C801 = 3.3V
Yes
Replace LCD
Module
Yes
END
No
Reconnect the SLC800
No
Check the Backlight Driver IC(U805)
Check the LDO(802)
No
No
Check the IC UCP6000
No
Check the freq of
C813(19.2MHz)
Yes
Check the U801
No
Check the IC U800
8-19
DC-DC(U803)
DC-DC(U804)
No
Replace or resolder
OSC800