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Flow Chart of Troubleshooting
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10-7
10-3. Charging Part
C442
R416
R417
EXT_5V
R418
VREG_MSMP_2.6V
C441
VBATT
R414
C443
2 IUSB
4 PWR
1 USBIN
9
7
BATDET
5 CHRG
DCIN 10
6
EN
11
GND
8
IDC
ITERM
3
U402
BAT
USB_5V
CHG_ING_N
VF
CHARGE_EN
Yes
Replace U402
Resolder IFC600
Yes
Check the Battery & TA
Yes
No
U402 pin5 = "H"?
Yes
No
END
Abnormal charging part
C443=5V?
Summary of Contents for SGH-L770V
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Page 75: ...9 PCB Diagrams 9 1 1 Main top ...
Page 76: ...PCB Diagrams 9 2 2 Main bottom ...
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