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SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-7
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8-3-2. LCD Working
Power Switch On
LCD FPCB
connector is co
rrectly connecti
ned?
Replace U503 & Check
neighboring circuits
Yes
NO
Replace U603,
Resolder or Replace
U615
U620
LED_P_26V=26V?
F600, F601, F602,
F603, F604, F605,
Resolder or
Replace U615
F600, F601,F602,
F603, F604, F605,
Correctly mounted?
NO
correctly connect
NO
LCD Display
On?
Yes
Yes
NO
VLCD_3.0V
= 3.0V?
Yes
NO
Check the LCD da
ta/contral line
Change
the UCP300
Signal
→
LCD_R,G,B(0~4)
Contral
→
MCLK, EN, HSYNC, VSYNC
NO
Yes
Yes
Change the LCD
LCD is
not working
Change Main PBA
Summary of Contents for Galaxy Mini GT-S5570
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