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12. Schematic Diagrams
12-1. Main Circuit Diagram

CPU




Samsung Electronics 12-1
Schematic Diagrams

SCAN, I/O




12-2 Samsung Electronics
Schematic Diagrams

Memory, Motor




Samsung Electronics 12-3
Schematic Diagrams

Modem




12-4 Samsung Electronics
Schematic Diagrams

DSPG




Samsung Electronics 12-5
Schematic Diagrams

Head Driver




12-6 Samsung Electronics
Schematic Diagrams

Connector




Samsung Electronics 12-7
Schematic Diagrams

12-2. OPE Circuit Diagram




ANSWER

D_SCAN
D_DET




Only used for SF3000T
D0

D1
D2

D3

D0
D4


D1




D0




D1




D2




D3




D4
D2



D3


D4



D5



D6



D7




D_SCAN



D_DET




R_W


RS


E




12-8 Samsung Electronics
Schematic Diagrams

12-3. Hook Circuit Diagram




OFF_HOOK_STATE


MHS_IN
P1-7


(*)SERIAL_ON
P1-8

MHS_OUT
P1-6

LINE_IN
P1-5


EXT
P1-3



LINE_OUT
P1-4


(*)SERIAL_OFF
P1-9
RING_OUT
P1-2




RING_IN
P1-1




(*) IS FOR ITALY




Samsung Electronics 12-9
Schematic Diagrams

12-4. Home Circuit Diagram




+5V
CN1-1

HOME
CN1-2

1 3




2 4



GND5
CN1-3




12-10 Samsung Electronics
Schematic Diagrams

12-5. AFPS-V2 (1)




Samsung Electronics 12-11