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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 D4
D0
D1
D0
D1
D2
D3
D2
D3
D4
D5
D6
D7
D_SCAN
D_DET
R_W RS E
12-8
D4
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
P1-4
LINE_OUT
(*)SERIAL_OFF P1-9 RING_OUT P1-2
P1-1
RING_IN
(*) IS FOR ITALY
Samsung Electronics
12-9
Schematic Diagrams
12-4. Home Circuit Diagram
+5V HOME 1 3
CN1-1 CN1-2
2
4
GND5 CN1-3
12-10
Samsung Electronics
Schematic Diagrams
12-5. AFPS-V2 (1)
Samsung Electronics
12-11