Sharp GX20 Service Manual page 114

MAIN PWB-A(3/3)
A
RECEPTION SIGNAL
TRANSMISSION SIGNAL
SPEAKER SIGNAL
RELAY FPC_A
PWB-C
B
4
5
6
LED405
GM56271A
MOBILE
LIGHT
5-23 (11-B)
SP1
C
b
SP2
D
E
5-27 (10-A) CN305
5-29 (10-G)
CN306
F
5-24 (1-E)
a
G
1
BACK-UP
BATTERY
HOLDER
2
BAT100
BACK-UP
H
BATTERY
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
1
CONFIDENTIAL
VBAT_BB
5-8 (6-D)
VBAT_AP
CN201
VBAT_AP LEDB
1
2
LEDG
3
LEDR_M
4
3
LEDR
2 5
VPLUS2
1 DGND 6
GATEDR 7
VBAT_AP
8
VBAT_AP 9
VBAT_AP
10
VBAT_S
11
5-10 (2-F)
BATT_SENSE 12
ADP
ADP
13
ADPDET
14
CONT2
CONT2 15
5-10
CONT1
16
(2-G)
IRXN
17
IRXP 18
QRXP
19
QRXN
20
QTXP 21
QTXN 22
ITXP
ITXP
23
ITXN 24
ISENSE
25
DGND
26
5-9 (12-F)
TCXOEN 27
5-13 (9-G)
RFON 28
G
TXON
29
RTS 30
VEXT_ON 31
GENIE_CHG
GENIE_CHG
32
RXD 33
VIB_CNT
VIB_CNT
34
JAKDET
35
FLIP_SW
FLIP_SW 36
CTS
37
TXD
TXD
38
CD(RS232C) 39
ADIN_B
ADIN_B
40
VT 41
POWONKEY 42
SP2
43
SP2 44
SP1 45
CN202
VBAT_BB 1
VBAT_BB 2
KEYPADROW2
3
KEYPADROW0 4
KEYPADROW1 5
KEYPADROW3
6
KEYPADROW4 7
AGND 8
MIC
9
MIC_INN_R
MIC_GND 10
JAKEAR
11
KEYPADCOL[0]
KEYPADCOL0
12
KEYPADCOL1 13
KEYPADCOL2
14
KEYPADCOL3
15
KEYPADCOL4
16
DGND
17
TCXOOUT
18
DGND
19
JAKMIC
20
DGND
21
DGND 22
SIMRST
23
SIMIO
SIMIO
24
SIMCLK 25
VINT
26
5-12 (2-C)
VSIM 27
AFCDAC
BACK_BATT
AFCDAC 28
RAMPDAC
29
KEY_BL_ON
KEY_BL_ON 30
5-14 (5-A)
BS2 31
BS1
BS1
32
BS0 33
SYNTHDATA 34
SYNTHCLK
35
SYNTHEN 36
CHGIN 37
38
G
NC 39 NC
40
DGND
2 3
IC201
XC6209B302MR
HIGH SPEED LDO
REGULATOR
TP202
Vout
5
1 Vin
2 Vss
2
CE 4 NC
3
NC
3
G
LEDB_M
G
5-9 (9-E)
LEDG_M
G
VPLUS2
G
5-12 (2-G)
G BATT_SENSE
G
5-10 (2-F)
G ADPDET
G
5-10 (2-F)
G CONT1
G
IRXP
IRXN
G
QRXP
G
5-12
G
G
QTXP
(1-C)
QRXN
QTXN
G
G
ITXN
G
G
RFON 5-13 (9-G)
TXON
RTS 5-10 (2-F)
G
5-10 (2-F)
G
G RXD 5-10 (2-F)
G 5-10 (6-A)
G JAKDET 5-12 (2-E)
G
5-14 (4-A)
G CTS 5-10 (2-G)
G
5-10 (2-F)
G CD 5-10 (2-F)
G
5-12 (2-G)
VT
5-13 (7-G) POWONKEY
V201
650P
VBAT_BB
KEYPADCOL[0-4],
KEYPADROW[0-4]
C236
100P(CH)
KEYPADROW[2]
KEYPADROW[0]
C237
KEYPADROW[1]
C238 100P(CH)
KEYPADROW[3]
100P(CH) C239
KEYPADROW[4]
100P(CH)
C240
G
MIC_INP_R
5-12 (2-D) 100P(CH)
G
G
JAKEAR 5-12 (2-E)
KEYPADCOL[1]
D201
KEYPADCOL[2]
RSB6.8S
KEYPADCOL[3]
D202
KEYPADCOL[4]
RSB6.8S
G
5-12 (1-D)
TCXOOUT
G
5-12 (2-E)
JAKMIC
G
SIMRST
5-12 (2-E)
G
SIMCLK
G
5-11 (10-A)
VINT
5-14 (1-D)
VSIM
G
G
5-12 (1-C)
RAMPDAC
G
G
BS2
G 5-12 (2-B)
BS0
G
G
G
CHGIN
BACK_BATT
4
5-17 (8-C)
3.0V
VBACK
1
IC204
BACK_BATT
R3111Q251C
4
VOLTAGE
DETECTOR
SP1-1
G
SP1-1
5-10 (6-B)
SP2-1
G
SP2-1
SIMEN
5-13 (9-G)
CHGEN
CHGIN
5-15 (8-B)
VEXT_CN IR_SD
IR_ON
5-15 (7-B)
V203 5-10 (2-F)
650P
ADPDET
TP217
5-10
G
(1-E)
5-13 (9-H)
CAM_ON
SYNTHDATA
G
5-12 (1-B)
SYNTHCLK
SYNTHEN
5
TP203
1
GND
VDD
2
VO
G
5-13 (9-G)
TCXOEN
G
5-1
P
G
CHGEN
G
G
G
G
5
5
G
6