Charging Part - Samsung SGH-E340 Service Manual

7-3. Charging Part

A b n o rm a l ch a rg in gp a rt
C h e ck th eU 5 0 5p in1
C h e ck th eU 5 0 5p in1 0
Y e s
>4 .9 V
Y e s
U 5 0 5p in5="L"?
Y e s
U 5 0 5p in3="L"?
Y e s
¡Ö4 .2 V
Y e s
E N D
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C h e ck th ecirc u it re la te dto
N o
N o
R e s o ld e r o r re p la ceU 5 0 5
C h e ck th ecircu it re la te dto
N o
N o
R e s o ld e r o r re p la ceU 5 0 5
7- 5
F low Chart of Troubleshooting
V _ E X T_ C H A R G E
A U X _ O Ns ig n a l