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SAMSUNG Proprietary-Contents may change without notice
6-9
Troubleshooting
6-5 Desk-Top Rapid Charger
Plug_in
Check LED state
(RED>GRN>YEL)
Check Voltage of
C3, C2.
(about 330V)
Check
F1, BD1, U1
Blank of Front.
Check
BAT-Contact.
Check
Battery.
Check C30
Blank of Rear
LED blink?
(Yellow)
Check
BAT-Contact.
Check
Battery.
Check C40.
Check Voltage of
C22.
(about 4.5V)
Check Voltage of
C22.
(about 4.5V)
LED blink?
(RED>GRN>YEL)
Check component the secondary
D30, D20, U22, U23, U24, U25, U26.
Check
U26.
Check
Voltage of
C41.(5V)
Check
LD1, LD2
Check U25.
Check component the secondary
D30, D20, U22, U23, U24, U25, U26.
Check
BAT-Contact.
Check Battery.
Summary of Contents for SCH 620
Page 75: ...9 Block Diagrams SAMSUNG Proprietary Contents may change without notice 9 1 9 1 Main Diagram ...
Page 77: ...SAMSUNG Proprietary Contents may change without notice 9 3 MEMO MEMO ...
Page 79: ...PCB diagrams Samsung Electronics 10 2 10 2 Main PCB Bottom Diagram ...
Page 80: ...PCB diagrams Samsung Electronics 10 3 10 3 CLC PCB Top Diagram 10 4 CLC PCB Bottom Diagram ...
Page 81: ...PCB diagrams Samsung Electronics 10 4 10 5 Hands free Kit PCB Top Diagram ...
Page 84: ...Samsung Electronics 11 3 Circuit diagrams 11 3 CLC Circuit Diagram ...
Page 85: ... Samsung Electronics Co Ltd APRIL 2000 Printed in Korea Code No GH68 00669A BASIC ELECTRONICS ...