Samsung SCH-620 Service Manual page 41

Portable cellular telephone
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Troubleshooting
6-5 Desk-Top Rapid Charger
Check LED state
Plug_in
(RED>GRN>YEL)
Check Voltage of
C3, C2.
(about 330V)
LED blink?
(Yellow)
Check
BAT-Contact.
Check
F1, BD1, U1
Blank of Front.
Blank of Rear
Check Voltage of
C22.
(about 4.5V)
Check Voltage of
C22.
(about 4.5V)
LED blink?
(RED>GRN>YEL)
SAMSUNG Proprietary-Contents may change without notice
Check Battery.
Check component the secondary
D30, D20, U22, U23, U24, U25, U26.
Check
Check
BAT-Contact.
Battery.
Check
Check
BAT-Contact.
Battery.
Check
Voltage of
C41.(5V)
Check
U26.
Check
LD1, LD2
Check component the secondary
D30, D20, U22, U23, U24, U25, U26.
6-9
Check C30
Check C40.
Check U25.

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