Sharp GX20 Service Manual page 120

KEY PWB-B (1/2)
A
CN302
EXTERNAL
CONNECTOR
B
C
RELAY FPC_C
PWB-E
D
a
5-18 (1-G)
E
JK301
HANDS FREE
CONNECTOR
F
G
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
1
CONFIDENTIAL
- - - - Power(-) 17
- - - - (+) 8
FLashload_ON
- "High" - - 16
Genie_CHG
- TxD TxD TxD TxD 7
Debug_Tx - - - ADP 15
- RxD RxD RxD RxD 6
- - - "Low" ADPDET
14
- - - VCC VCC 5
Debug_Rx - - - CONT2
13
4
- - - - AUX-OUT
12
- - CONT1 DTR CONT1
3
GND GND - - GND
- - - - AUX-IN 11
2
- - - RTS RTS
10
- - - CTS CTS
GND GND - GND GND 1
9
- GND - - CD
- - - - Power(+) 18
5-26 (2-E)
5-29 (10-C)
FL304
CHGIN
COMMON MODE
3 2
4 1
TP347
TP348
1
2
3
5
6
4
5-29 (9-C)
2.85V
VSIM
( )
( )
2 3
L305 R310
FERRITE BEADS 100
L306 R312
FERRITE BEADS 100
L307 R313
FERRITE BEADS 100
L308
R314
FERRITE BEADS
100
D307 R315
L309
RSB6.8S 100
FERRITE BEADS
R316
100
L310
FERRITE BEADS
L318
R308
FERRITE BEADS 100
L311 R317
FERRITE BEADS 100
L316
FERRITE BEADS
L319
R309
100
FERRITE BEADS
L312 R319
FERRITE BEADS 100
L313
FERRITE BEADS
R320
100
L302
FERRITE BEADS
R321
100
V306A
100P
L303
FERRITE BEADS
L301
FERRITE BEADS
V320
100P
TP301
8
3 6
CLK I/O
2 5
RESET OP
1 4
Power GND
7
CN301
SIM CARD
DGND
CONNECTOR
4
V301
100P
SIMIO
SIMCLK
SIMRST
5 6
TP3
0
0
0.9