Sharp GX25 Schematics
GX25
[4] Schematic diagram/Wiring side of P.W.Board
MAIN PWB-A (1/3)
RECEPTION SIGNAL
TRANSMISSION SIGNAL
A
KEYPADROW[0-4],KEYPADCOL[0-4],POWONKEY
G
5-7 (9-B)
G
B
5-6 (6-F)
5-6 (6-E)
5-6 (6-F)
5-6 (6-G)
5-6 (6-H)
5-6 (5-D)
5-6 (6-G)
5-6 (5-D)
C
5-8 (1-B)
5-8 (2-H)
5-8 (2-E)
D
E
MIC100
MICROPHONE
JK101
HANDS FREE
CONNECTOR
F
USB_D-
USB_PU
USC[2]
USC[5]
AUDIO_SELECT
USB_CURRENT_CTL
GPIO_09
TP103
TP104
TP105
TP107
TP108
TP109
TP118
TP125
TP149
TP150
TP151
TP152
TP179
TP180
TP181
TP182
TCXOEN
SYNTHDATA
5-8 (2-H)
5-8 (2-D)
5-8 (1-A)
3.0V
VINT
2.98V
2.98V
TP101
TP102
1
2
3
5
6
4
USB_CHG_EN
BS2
BS4
BS5
IP
QP
PA
RECIVER_OUTN
PS
2
1
Q106
EC4301 C
C101
47P(CH)
ZD101
RSB6.8S
6.8V
L104
33nH
L103
33nH
C126
47P(CH)
5-6 (6-H)
5-6 (6-G)
5-6 (6-E)
G
5-6 (5-D)
G
G
5-6 (6-H)
G
5-6 (6-F)
G
G
G
G
G
SYNTHCLK
G
SYNTHEN
G
G
G
G
AFCDAC
5-8 (2-F)
G
ZD102
RSB6.8S
6.8V
G
G
BS1
BS3
IN
QN
PD
PDPG
L101
FERRITE
BEADS
L102
FERRITE
BEADS
R107
0
AUDIO_IN
AUDIO_OUT
USB_DET
RECIVER_OUTP
3
4
V102
G
G
G
5-6 (4-D)
H
5-8 (2-E)
USB_D+
USC[1]
USC[4]
USC[6]
R148
470K
VINT
3.0V
G
G
G
G
G
G
G
G
0V0V0V
R156
470K
100P
KEYLED
TCXOOUT
0V
C153
47P(CH)
TP119
C105
0.1
C132
1
TP165
G
TP174
G
USB_D+
G
USB_DET
USB_PU
G
G
G
AUDIO_SELECT
USB_CURRENT_CTL
GPIO_09
VINT
3.0V
RECIVER_OUTP
RECIVER_OUTN
NS
2
1
Q107
EC4401 C
R112
0
V101
100P
TP121
USB_D-
USC[1]
USC[2]
USC[4]
USC[5]
USC[6]
USC[3]
USC[5]
USC[0]
USC[1]
USC[2]
USC[4]
USC[6]
R268
C219
0.1
TP114
TP115
TP116
120K
ND
NDNG
C103
47P(CH)
TDO
TCK
TMS
TDI
JTAGEN
TCXOEN
BS1
BS2
BS3
BS4
SYNTHCLK
SYNTHDATA
SYNTHEN
BS5
IP
IN
QP
QN
PA
AFCDAC
0V
3
C107
0V
4
10
C156
2.2
TP120
C232
0.1
R266
470K
R267
68K
C231
0.1
R103
0
R104
2K
R130
3.3K
AIN3N
G
AIN3P
G
C115
1
GPIO_36
R119
27K
R108
18K
C220
0.1
1
5
IN(-)
Vdd
2
Vss
4
3
IN(+)
Out
IC114
TC75S58A
COMPARATOR
5.2V
CHGIN
IC107
X61CN27N
VOLTAGE
DETECTOR
AOUT2P
G
TP176
R101
470K
VMIC
R105
0V
27K
0V
3.54V
3.55V
R131
330
2
1
C138
0.001
OUT
VDDNC
Vss
3.79V
D
34
NC
Q101
2SK3019
S
G
BATTYPE
5-6 (6-C)
C166
1
C179
C180
0.01
47P(CH)
C106
47P(CH)
C131
47P(CH)
R118
C108
2.2K
10
R117
R122
2.2K
2.2K
R263
6.8K
R262
6.8K
3.0V
VINT
R132
100K
R229
G
3.51V
3.62V
10K
1
S
2
GDD
3
S
4
G
D102
RB160M30
C143
47P(CH)
R125
2.2K
C112
47P(CH)
R115
100
TEMP1
8
7
6
D
5
D
R106
470K
R128
91K
C135
47P(CH)
C120
0.01
L108
FERRITE BEADS
R102
470
C121
47P(CH)
VMIC
C121A
0.1
C113
0.001
R226
10K
TH101
10K
THERMISTOR
G
0.21V
0.21V
3.8V
3.8V
R136
470K
IP
IN
QP
QN
PA
AFCDAC
L107
FERRITE BEADS
VEXT
3.0V
C200
47P(CH)
C116
47P(CH)
C117
0.001
C124
1
TP159
Q102
ECH8603
D101
RB52030T
23
1
C203
1
C163
47P(CH)
C147
47P(CH)
R127
47
C123
4.7
L124
FERRITE BEADS
C122
47P(CH)
C133
47P(CH)
C123A
0.1
C125
0.1
IC102
Q5RW45BF
4.5V
REGULATOR
VDD
VOUT
GND
R126
0
C134
47P(CH)
TP178
R133
0.18
C233
1
4
CE
567
ISENSE
GATEDRIVE
12
IP
VCHG(VCHGIN)
13
IN
15
QP
14
QN
28
PA
30
AFCDAC
93
&AIN3P
94
&AIN3N
59
AOUT1P
63
AOUT1N
106
SPWR
90
SPWR
91
AOUT2P
107
AOUT2P
89
AOUT2N
105
AOUT2N
60
&AOUT3P
64
&AOUT3N
76
VMIC
80
AIN1P
96
AIN1N
79
AIN2P
95
AIN2N
68
LIGHT1
71
LIGHT2
72
LIGHT3
75
LGND
26
AUXADC1
9
AUXADC2
27
REFOUT
25
TEMP1
39
REFCHG
TEMP2
8
113
AGND0
114
AGND0
115
AGND0
116
AGND0
117
AGND0
118
AGND0
119
AGND0
120
AGND0
121
AGND0
122
AGND0
123
AGND0
124
AGND0
125
AGND0
126
AGND0
127
AGND0
128
AGND0
129
AGND0
130
AGND0
131
AGND0
AGND0
AGND0
AGND0
AGND0
132133 134 135136 137 138 139140 141 142 143144 145 146147 148
VBAT
3.0V
C213
VBAT
VINT
1
TP173
C144
10
C145
0.1
NC
NC
NC
NC
2122 2324
&NC_B05
&NC_B07
BATTYPE
VBATSENSE
IC103
AD6537B
ANALOGUE BASEBAND
2
1
A
19
17G21
18
B
34
33
C
D
38
37
41
E
42
45
F
46
49
50
H
54
53
J
57
58
62
K
61
L
65 68
66 67
M
69 70
N
P
777178
R
9794989299
T
AGND0
AGND0
AGND0
AGND0
35
5152
55
92
VBAT2
VBAT1
VBAT2
NC_R12
NC_G16
8
5
3
7
9
8
6
51
9
41 3
3
2422
23
20
25
113114 115
119120 121
125126 127
131
132
133
138
139
137
145143
144
8983 84
101
102100
TOP VIEW
AGND0
AGND0
AGND0
AGND0
AGND0
AGND0
AGND0
TCXOOUT
3
19
VBAT3
VBAT3
10
11 12 13 14 15 16
107
11
12
27
26
116
117
118
123
124
122
130128
129
134
135
136
141
142
140
148146
147
90888582 86808781
107108103 112109106 110104 111105
AGND0
AGND0
29
C146
VBAT4
AGND0
CN101
3
a
5-13 (12-E)
FROM
DISPLAY PWB-B
1
GND
2
GND
3
GND
4
LCDCS
5
TEMP
6
AOUT2P
7
LCDWAIT
8
LCDRESET
9
MTR
10
LT_SDA
11
RECEVER_N
12
RECEVER_P
13
AGND
14
AGND(PP1~)
15
LT_SCK
16
MA3_CS
17
CAMCS
18
AIN3P
19
AIN3N
20
MA3_RESET
21
CAMINT
22
LCDRSP
23
13M_CLK
24
GND
25
MA3_INT
26
BUFOFF
27
WE
28
RD
29
GND
30
GND
31
GND
32
GND
33
GND
34
VINT
35
D3
36
D5
37
D7
38
D8
39
D13
40
D0
41
D10
42
D2
43
D6
44
D1
45
D4
46
D14
47
D12
48
VBAT
49
VBAT
50
D11
51
D9
52
D15
53
A17
54
A19
55
A18
56
A1
57
A2
58
VCORE
59
GND
60
GND
61
GND
62
GND
63
GND
64
GND
GX25
5-17 (7-D)
FROM RELAY FPC PWB-F
CONFIDENTIAL
5-16 (6-F)
FROM SIM FPC PWB-E
123456789101112
CN103
MTR
GND
VSIM
COL1
COL2
SIMIO
ROW0
SIMCLK
SIMRST
VIB_GND
R171
R169
0
R170
SIMCLK
SIMRST
NC
NC
NC
NC
NC
NC
NC
R174
0
C176
2P(CH)
R168
0
0
R172
470
KEYPADCOL[1]
KEYPADROW[0]
SIMIO
196
SIMDATAIO
177
SIMCLK
195
GPIO_23
[SIM RESET]
197
GPIO_24
[Sound IC RESET]
157
GPIO_47
KEYPADROW[0]
40
KEYPADROW[1]
54
16
KEYPADROW[2]
53
KEYPADROW[3]
15
KEYPADROW[4]
KEYPADCOL[0]
14
KEYPADCOL[1]
33
KEYPADCOL[2]
32
KEYPADCOL[3]
13
KEYPADCOL[4]
51
GPIO_55
[Boot Control 1]
12
GPIO_56
[Boot Control 0]
148
USC[0]
[Genie TX]
146
USC[1]
[RXD]
133
USC[2]
[TXD]
145
USC[3]
[Genie RX]
134
USC[4]
[RTS / Genie RX]
125
USC[5]
[CTS / Genie TX]
131
USC[6]
[GPIO_31 / Genie RX / (RTC monitor)]
178
JTAGEN
122
GPIO_18
[TCK]
198
GPIO_19
[TMS]
158
GPIO_20
[TDI]
199
GPIO_21
[TDO]
97
MC_CLK
[SD card]
50
MC_CMD
[SD card]
10
MC_DAT[0]
[SD card]
64
MC_DAT[1]
[SD card]
29
MC_DAT[2]
[SD card]
MC_DAT[3]
85
[SD card]
GPIO_22
11
[LCD RSP]
176
DPLUS
[USB D+]
121
DMINUS
[USB D-]
27
GPO_00
[RXON]
48
GPO_01
[TXON]
200
GPO_02
[WP of Intel Flash]
180
GPO_03
[reserve]
181
GPO_04
[Modesel1 of Interface IC]
7
GPO_05
[ASM]
GPO_06
26
[Not use]
182
GPO_07
[power on/off of Bluetotth]
202
GPO_08
[IrDA Power on/off]
203
GPO_09
[BS3]
204
GPO_10
[Bufoff]
167
GPO_11
[BS4]
183
GPO_16
[BS1]
184
GPO_17
[BS2]
161
GPO_18
[SYNTHEN]
186
GPO_19
[Audio select]
168
GPO_20
[SYNTHDATA]
162
GPO_21
[SYNTHCLK]
46
CSDO
96
CSFS
CSDI
25
BSDO
24
BSOFS
3
BSDI
2
BSIFS
23
1
ASDO
ASDI
19
ASFS
22
GPO_29
6
47
CLKOUT_GATE
CLKOUT
84
4
GPIO_48
142
CLKIN
159
CLKON
PWRON
63
189
NRESET
49
OSCIN
28
OSCOUT
X101
32kHz
470
R173
470
KEYPADCOL[2]
TP113
1.8V
VCORE
C177
0.1
C178
0.1
62
82
98
VCC
VCC
VCC
VCC
[Typhoon RESET]
[Typhoon 13MHz Output]
[Mode Select of Software]
L113
C141
FERRITE
1
BEADS
D105
RB52130T
1.8V
VRTC
120
130
132
160
VCC
VCC
VCC
VCC
High
Boot
Control1
Low
IC106
AD6528B
DIGITAL BASEBAND
3
2
1
3
A
19
B
21
C
38
37
D
43
44 54
E
57
58
F
G
H
J
K
L
M
N
P
R
T
U
189 196194 202192190 204200191 195 199193187 203188 198 201197
V
GND
GND
GND
GND
GND
39
52
61
65
81
IC108
1323B30G
REGULATOR
VIN
VOUT
1
ON/OFFVSS
2
2.85V
3.0V
VSIM
VINT
C183
0.1
C184
0.1
C182
0.1
C181
0.1
8
44
79
128
143
170
VSIM
VMEM
VMEM
VMEM
VDDRTC
Boot Control0
High
Low
USB BOOT
USB BOOT
(Internal
(External
referance clock)
referance clock)
UART BOOT
Flash BOOT
8
5
9
10
107
8
6
51
9
41 3
2422
23
27
26
29
25
39
49
45
48 50
46
47
60
59
63
62
64
61
95 9691
9794 9892 9993
175172173169 170 179177 181 184183180176174 178171 182
TOP VIEW
GND
GND
GND
GND
GND
GND
GND
86 87
107
109
111
123
129
137
VBAT
4
C139
1
3
3.0V
VINT
C187
0.1
C188
0.1
41
666768
110
173
VEXT
VEXT
VEXT
VMEM
VMEM
[USB pullup control of Interface IC]
11 12 13 14 15 16 17 18
142
16
15
11
12
32
30628
35436
34
33731
40
41
51 56
52
55
53
65 68 69 7066 67
7771 78767472 7573
8983 8479 90888582 8680 8781
101
113107108103 114112109106 110104 111105
125119120115 126124121118 122116 123117
133127 134132130128 131129
147140141135 148146142138 143136 145139137 144
161154155149 162160156152 157150 159153151 158
166165163 164 168167
GND
GND
GND
GND
GND
9
144
147
153
201
3.2V
1.8V
VUSB
VCORE
C191
0.1
5
166
179
194
VINT
VEXT
VEXT
VEXT
[USB Current Control]
[UART RTS of Bluetooth]
[UART CTS of Bluetooth]
[VUSB regurator ON/OFF]
[LCD Interrupt]
[HOOK Detect]
[Bluetooth RESET]
[Manufacturer]
[USB detect]
[Flip Detect]
[LCD Driver RESET]
[Camera Controller Interrupt]
[PCM CLK of Bluetooth]
[PCM DATAIN of Bluetooth]
[PCM SYSNC of Bluetooth]
[PCM DATAOUT of Bluetooth]
[UART RXD of Bluetooth]
[UART TXD of Bluetooth]
[Camera Power ON/OFF 1]
[Audio POP sound is controlled]
[Typhoon Interrupt]
[Sound IC Interrupt]
[Flash VPP]
[Camera Power ON/OFF 2]
[Flash_Memory_1 /CS]
[PSRAM1 /CS]
[PSRAM2 /CS]
[Flash_Memory_2 /CS]
[Revision 2]
[LCD Controller /CS]
[Camera /CS]
[Mode select of Software]
[SRAM /CS]
[Sound_IC /CS]
17
18
20
[/Wait of Intel Flash]
42
[Revision 0]
102100
186185
[WP of Super-AND Flash]
[13MHz clock
for LCDC and sound IC]
VSSRTC
VSSUSB
156
C207
VDDUSB
[Revision 1]
0.1
3031
[/UBS]
[/LBS]
VMC
NROMCS1
NRAMCS1
NRAMCS2
NAUXCS1
BURSTCLK
[IrDA Tx]
GPIO_00
[IrDA Rx]
GPIO_01
GPIO_02
GPIO_03
GPIO_04
GPIO_05
GPIO_06
GPIO_07
GPIO_08
GPIO_09
GPIO_10
GPIO_11
GPIO_12
GPIO_13
GPIO_14
GPIO_15
GPIO_16
GPIO_17
GPIO_33
GPIO_34
GPIO_35
GPIO_36
GPIO_37
GPIO_38
GPIO_39
GPO_22
GPO_23
NGPCS1
GPIO_42
GPIO_43
GPIO_44
GPIO_45
GPIO_46
NHWR
NWAIT
DATA[0]
DATA[1]
DATA[2]
DATA[3]
DATA[4]
DATA[5]
DATA[6]
DATA[7]
DATA[8]
DATA[9]
DATA[10]
DATA[11]
DATA[12]
DATA[13]
DATA[14]
DATA[15]
ADD[0]
ADD[1]
ADD[2]
ADD[3]
ADD[4]
ADD[5]
ADD[6]
ADD[7]
ADD[8]
ADD[9]
ADD[10]
ADD[11]
ADD[12]
ADD[13]
ADD[14]
ADD[15]
ADD[16]
ADD[17]
ADD[18]
ADD[19]
ADD[20]
ADD[21]
ADD[22]
ADD[23]
GPIO_40
126
124
USB_CURRENT_CTL
113
114
112
101
102
89
100
90
77
99
78
88
76
69
70
56
55
36
20
18
35
17
34
75
42
140
191
154
172
192
141
193
155
174
175
151
NRD
165
NWE
185
187
NLWR
188
171
NADV
190
116
118
115
119
127
117
136
135
150
138
149
164
163
139
152
169
21
45
38
60
37
59
74
43
73
58
83
57
72
71
80
94
95
92
93
91
106
104
103
108
105
3
BT_RTS
BT_CTS
NC
NC
HOOK_SW
BT_RESET_B
GPIO_09
USB_DET
/LCD_RESET
CAM_INT
BT_PCMCLK
R188
0
BT_PCMOUT
BT_PCMSYNC
BT_PCMIN
BT_TXD
BT_RXD
LT_SDA
MA3_INT
LT_SCK
/CAM_CS
/LCD_CS
MA3_CS
TP163
GPIO_36
NRD2
NWE2
DATA[0]
DATA[1]
DATA[2]
DATA[3]
DATA[4]
DATA[5]
DATA[6]
DATA[7]
DATA[8]
DATA[9]
DATA[10]
DATA[11]
DATA[12]
DATA[13]
DATA[14]
DATA[15]
ADD[1]
ADD[2]
ADD[3]
ADD[4]
ADD[5]
ADD[6]
ADD[7]
ADD[8]
ADD[9]
ADD[10]
ADD[11]
ADD[12]
ADD[13]
ADD[14]
ADD[15]
ADD[16]
ADD[17]
ADD[18]
ADD[19]
ADD[20]
ADD[21]
ADD[22]
ADD[23]
TP157
USB_PU
TP153
TP131
TP132
R214
0
TP134
TP135
TP136
R209
0
R210
0
R180
100
R181
100
TP155
TP137
TP138
TP139
TP140
TP141
C192
R179
10P(CH)
82
3.0V
VINT
C199
0.1
Vdd
1
R197
Gnd
0
3
Out
C198
IC115
0.1
EW6671F
HALL
ADD[1] DATA[0]
66
A0
ADD[2]
59
A1
ADD[3]
58
A2
ADD[4]
A3
57
ADD[5]
65
A4
ADD[6]
64
A5
ADD[7]
56
A6
ADD[8]
55
A7
ADD[9]
14
A8
ADD[10]
16
A9
ADD[11]
15
A10
ADD[12]
4
A11
ADD[13]
8
A12
ADD[14]
7
A13
ADD[15]
6
A14
ADD[16]
5
A15
ADD[17]
ADD[18]
ADD[19]
ADD[20]
ADD[21]
ADD[22]
ADD[23]
VSIM
2.85V
POWONKEY
KEYPADROW[4]
SIMIO
SIMCLK
SIMRST
MA3_RESET
3.0V
C127
VINT
0.1
3.2V
VUSB
1
5
Vcc
IC111
BH30MA3W
REGULATOR
1
6
VIN
STBY
R2002
GND
5
Vout
2
0
0.1
74
VBAT5
&VBAT7
142
15
30628
29
31
35436
39
43
47
51
55
59
63
7573
79
95 9691
93
AGND3
AGND2
AGND1
11
32
67
C214
1
78
82838485 86
&VBAT8
&VBAT8
16
32
40
44
48
52
56
60
64
72
7674
AGND4
112
3
Vout
NOISE
47
&VBAT6
KEYOUT
&GND_NET2
&NC_R01
&GND_NET1
VMEMSEL
&NC_E16
&NC_F16
&NC_E15
&VBAT_NET
&NC_T15
&NC_T12
ABBRESET
MCLKEN
VCXOEN
DBBON(PWRON)
&RSVD_A16
&RSVD_C16
DGND
SGND
SGND
104
70
88
KEYON
VCORE
VCORE
VVCXO
BSOFS
RESET
REFBB
4
VBAT
110
109
NC
81
101
56
VABB
102
VSIM
98
VMEM
99
VMEM
77
73
40
NC
44
NC
48
NC
43
4
VEXT
20
VEXT
103
VRTC
100
NC
111
NC
108
NC
33
TDO
NC
1
TDI
NC
17
TMS
NC
18
TCK
34
GPI
R141
100K
61
RXON
62
TXON
57
ASM
54
CSDI
66
CSFS
53
CSDO
50
BSDI
45
BSIFS
42
BSDO
49
41
ASDI
38
ASDO
46
ASFS
69
58
65
MCLK
C151
0.001
37
INT
2
87
R143
97
330
C150
31
REFIN
1
10
16
36
5-6 (1-H)
R116
470K
BAT100
BACK-UP
BATTERY
R144
0
C155
1
TP162
BT_CLKREQOUT
G
R120
470K
C158
2.2
C160
1
C161
1
C162
0.47
C164
1
C165
0.1
C159
1
/RESET
2
3
GND
IC105
TC7SZ08F
AND GATE
TP164
3.0V
VEXT
TP110
TP167
VRTC
R203
7.5K
1
BACK-UP
BATTERY
HOLDER
2
13MHZ_CLK_TYPHOON
G
5-6 (6-E)
VABB
VSIM
2.85V
VMEM
2.93V
VCORE
1.8V
VT
2.75V
4
TP169
TP170
TP171
BS5
NC
BS3
BS4
BS1
BS2
SYNTHEN
AUDIO_SELECT
SYNTHDATA
SYNTHCLK
TCXOEN
VCORE
TP154
R150
0
3.0V
VINT
C129
0.1
4
5
IC109
TC7SZ32F
LOGIC
3
2
1
5-4 (6-E)
BC1
G
USC[0]
USC[1]
USC[2]
USC[3]
USC[4]
USC[5]
USC[6]
LCD_RSP
USB_D+
USB_D-
BT_POWER_ON
BUFOFF
R154
470K
3.0V
VINT
JTAGEN
TCK
TMS
TDI
TDO
KEYPADROW[0]
KEYPADROW[1]
KEYPADROW[2]
KEYPADROW[3]
KEYPADROW[4]
KEYPADCOL[0]
KEYPADCOL[1]
KEYPADCOL[2]
KEYPADCOL[3]
KEYPADCOL[4]
TP129
R166
0
C173
0.001
4
R174A
10M
R165
10K
TP128
TP156
TP106
TP147
TP130
2
TP124
R167
20M
Q104
VMEM
NSBC143 TP
2.94V
0.01V
3
4
2.84V
0V
2
5
2.85V
0V
1
6
C196
3.0V
VINT
FL102
NOISE
FILTER
2
1
3
4
2
3
1
4
FL101
NOISE
FILTER
21 22
676869 70
/UB
/OE
F-/WE
F-/WP
F1-/CE
A20
GND
A21
GND
GND
910111213
2324
29
4.7
C197
4.7
BT_RESET_B
BT_POWER_ON
BT_PCMCLK
BT_PCMOUT
BT_PCMSYNC
BT_PCMIN
BT_RXD
BT_TXD
BT_CTS
BT_RTS
/LCD_CS
/LCD_RESET
LT_SDA
LT_SCK
MA3_CS
/CAM_CS
MA3_RESET
NWE2
CAM_INT
LCD_RSP
MA3_INT
BUFOFF
DATA[3]
DATA[5]
R273
47
DATA[7]
DATA[8]
DATA[13]
DATA[0]
R274
47
DATA[10]
DATA[2]
DATA[6]
DATA[1]
R275
47
DATA[4]
DATA[14]
DATA[12]
DATA[11]
DATA[9]
DATA[15]
R189
NC
30
63
NC
/RST
F-RY/-BY
NC(F2-CE)
109876543211112
109876543211112
20191413 1615 1817
28272221 2423 2625
36353029 3231 3433
44433837 4039 4241
52514645 4847 5049
60595453 5655 5857
70696463 6665 686761 62 71 72
NCNCNCNCNCNCNC
123
NC
TP196
TP195
R161
0
3.0V
VINT
470K
3.0V
VINT
41
61 62
TP197
3.0V
VINT
R184
470K
R183
470K
NRD2
2
NC
18
34 35 3637 38
45 4647
60
NC
/LB
CE2
SC-/WE
SC-/CE1
IC104
LRS1898
A
FLASH
B
MEMORY
C
D
E
F
G
H
A16
NC
A19
A18
A17
39
5354
NC
UN101
2W0110VY
INFRARED PORT
SGND
7
A
LED
6
TXD
5
RXD
4
SD
3
Vcc
2
GND
1
TP1004
TP
R199
R182
0
R175
RECIVER_OUTN
0
RECIVER_OUTP
FL104
NOISE
FILTER
2
3
1
4
C170
0.1
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
R276
47
R194
R192
470K
C137
0.1
C148
0.1
NC
NC
F/SC-Vcc
NC
NC
71 72
TP199
TP198
G
BT_RESET_B
G
BT_PCMCLK
G
BT_PCMSYNC
G
BT_RXD
G
BT_CTS
470K
TEMP1
FL105
NOISE
FILTER
1
4
8
7
6
5
8
7
6
5
8
7
6
5
8
7
6
5
FL222
EMI FILTER
470K
F/SC-Vcc
A22
31 32
5-6 (1-G)
5-6 (2-F)
G
BT_PCMOUT
5-6 (1-F)
G
BT_PCMIN
5-6 (2-F)
5-6 (2-E)
G
5-6 (1-E)
BT_TXD
5-6 (2-F)
G
BT_RTS
5-6 (1-E)
R231
G
AOUT2P
G
G
R185
0
2
3
G
R235
AIN3P
0
G
R227
AIN3N
0
R160
470K
TP190
R110
0
R225
0
8
1
9
FL219
7
2
EMI FILTER
6
3
10
5
4
8
1
9
FL220
7
2
EMI FILTER
6
3
10
5
4
FL221
8
1
9
EMI FILTER
7
2
6
3
10
5
4
8
1
9
7
2
6
3
10
5
4
ADD[17]
1
9
ADD[19]
2
ADD[18]
3
10
ADD[1]
4
ADD[2]
FL223
EMI FILTER
51
DQ0
DATA[1]
52
DQ1
F-Vpp
DATA[2]
43
DQ2
DATA[3]
44
DQ3
DATA[4]
27
DQ4
DATA[5]
28
DQ5
DATA[6]
26
DQ6
DATA[7]
20
DQ7
DATA[8]
50
DQ8
DATA[9]
49
DQ9
DATA[10]
42
DQ10
DATA[11]
40
DQ11
DATA[12]
33
DQ12
DATA[13]
25
DQ13
DATA[14]
DQ14
19
DATA[15]
17
DQ15
NC
T1
48
NC
NC
0
G
R228
0
R234
0
R233
0
C149
47P(CH)
C195
0.01
C186
0.01
R224
0
R218
470K
R217
0
3.0V
VINT
VBAT
8
7
6
5
2
1
4
VCORE
FL103
1.8V
NOISE
FILTER
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1. Waveform numbers of 2to 4 are shown on page 5-2.( ) : Not Mount
123
45
Figure 1 SCHEMATIC DIAGRAM (1/6)
6
789
5 -- 4 5 -- 5
10 11
12
GX25
CONFIDENTIAL
GX25
MAIN PWB-A (2/3)
RECEPTION SIGNAL
A
TRANSMISSION SIGNAL
KEY
PADROW 0
KEY
PADROW 1
KEY
PADROW 2
KEY
PADROW 3
KEY
PADROW 4
MENU
RIGHT
UP
LEFT
DOWN
KEYPADCOL 1
SIDE UP
1
4
7
KEYPADCOL 2
SIDE DOWN
0
2
5
8
KEYPADCOL 4
KEYPADCOL 3KEYPADCOL 0
Not
#
SPECIAL
3
6
9
SOFT2
SEND
SOFT1
Not
GHOST
Not
Not
Not
Not
SW_POWON
POWER ON/OFF
MENU
RIGHT
UP
DOWN
ROW 0
0
1
4
2
5
#
3
6
SOFT2
SPECIAL
SEND
ROW 4
V502
100P
V503
100P
V504
100P
V505
100P
COL0
COL1
COL2
COL3
ROW3
ROW2
ROW1
COL4
V506
R544
470
R545
470
100P
R543
470
R532
470
R560
470
KEYPADCOL[0]
KEYPADCOL[1]
KEYPADCOL[2]
KEYPADCOL[3]
KEYPADROW[3]
KEYPADROW[2]
KEYPADROW[1]
KEYPADCOL[4]
KEYPADROW[0]
KEYPADROW[4]
POWONKEY
TP521
5-4 (1-B)
G
KEYPADCOL[0-4],KEYPADROW[0-4],POWONKEY
B
5.0V
R542
47K
1
VBUS_IN
4
15P
TP525
TP526
TP535
TP536
5.2V
CHGIN
5
Vin
Vout
IC501
GND
Np(Vref)
Cont
TK11132C
3
12
REGULATOR
C512
0.01
R540
0
R538
0
R539
0
R537
0
R528
0
R529
0
TP523
NC
TP524
TP503
C501
0.1
VCORE
1.8V
TP515
3
0V
0V
IC504
USBUF2WE
EMI FILTER
1
6
2
5
4
3
V513
100P
V512
15P
V514
LEFT
C504
1
2
3
G
KEYLED
0.001
FS501
2.5A
5-4 (1-C)
TP527
TP501
TP528
TP529
D502
1SS388F
USB_CURRENT_CTL
USB_CHG_EN
VBAT
C
LED551 LED556:
PY1103CF, YELLOW GREEN
R556
R553
820
R554
LED553
820
LED554
R552
LED551
820
LED552
R551
820
D
R555
820
LED555
820
LED556
LED559 LED562:
PY1103CF, YELLOW GREEN
R561
820
R565
820
R559
820
LED560
LED559
LED561
R562
820
LED562
CN501
BATTERY
CONNECT
BATT
SENSE
GND
5-4 (1-H)
5-4 (1-B)
VCORE
1.8V
VBAT
1
4
R406
470K
E
BT_TXD
5-5 (11-B)
BT_RTS
BT_PCMOUT
5-5 (11-A)
5-5 (11-B)
F
5-5 (11-A)
5-5 (11-A)
5-8 (2-F)
BT_PCMSYNC
BTCLK
BT_RESET_B
G
BT_RXD
G
BT_CTS
G
BT_PCMIN
G
BT_PCMCLK
G
G
2
IC403
R118030B
REGULATOR
G
G
G
G
G
BT_CLKREQOUT
G
H
5-4 (5-H)
C401
1
3
R412
0
C402
1
R2015
0
74
UART_TX
63
UART_RX
61
UART_RTS
62
UART_CTS
NC
72
USB_DP
NC
82
USB_DN
52
PCM_OUT
53
PCM_IN
54
PCM_SYNC
64
PCM_CLK
77
XTAL_IN
67
XTAL_OUT
NC
56
LOOP_FILTER
27
RESET
34
RESET_B
NC
29
SPI_CSB
NC
30
SPI_CLK
NC
28
SPI_MOSI
NC
19
SPI_MISO
NC
26
TEST_EN
NC
18
FLASH_EN
84
NC
79
VSS_USB
VSS_USB
73
TP401
C409
0.01
NC
3
80
36
83
51
VDD_PIO
VREG_IN
VDD_USB
VREG_EN
VDD_PADS
IC402
BC313143
BLUETOOTH MODULE
1
1
A
11
B
21
C
31
D
37
E
43
F
49
G
55
H
65
J
K
VSS_PIO
VSS_PIO
VSS_PADS
VSS_MEM
1
35
10
15
2
NCNCNC
NCNCNCNCNC
6789
VDD_PRG
VDD_MEM
2
12
13
23
22
33
32
39
38
44
45
50
51
56
573559
67
66
77 787675 81 828079
VSS_MEMNCVSS_MEM
17
C411
2.2
VDD_MEM
VDD_MEM
5
43
5
4
15
14
25
24
58361
68
VSS_MEM
VSS_MEM
20
71
C410
0.01
60
70
VDD_MEM
6
6
16
26
60
VSS_CORE
41
32
R411
2.2
NC
81
VDD_MEM
VDD_MEM
7
8
8
7
17 18
27
28
34
40
46
52
62
71 727069
VSS_RADIO
VSS_RADIO
38
42
21
VDD_CORE
9
9
19
29
41
47
53
63
73
83 84
VSS_RADIO
44
49
C413
2P(CH)
22
VDD_RADIO
VDD_RADIO
10
102
20
30
36
42
48
54
64
74
VSS_VCO
VSS_VCO
50
C414
0.01
55
VDD_VCO
VSS_ANA
66
78
VDD_ANA
VSS_ANA
68
RF_IN
PIO[0]/RXEN
PIO[1]/TXEN
TX_A
TX_B
AUX_DAC
PIO[2]
PIO[3]
PIO[4]
PIO[5]
PIO[6]
PIO[7]
PIO[8]
PIO[9]
PIO[10]
PIO[11]
AIO[0]
AIO[1]
AIO[2]
VSS
VSS_ANA
76
45
FL401
BLUETOOTH
FILTER
NC
31
NC
11
NC
12
43
37
NC
33
13
NC
14
NC
40
NC
46
NC
48
NC
47
NC
25
NC
23
NC
24
NC
39
NC
58
NC
59
69
NC
4
NC
NC
5
NC
NC
NC
NC
16
NC
57
NC
NC
65
NC
NC
75
NC
C416
0.01
8
7
6
5
4
TP520
TP510
USB_DET
1
2
3
C505
22
NC
G
7
TP534
TP533
G
G
L403
22nH
C417
2P(CH)
IN
OUT
1
GND
GND
GND
GND
CN401
BLUETOOTH
AERIAL TERMINAL
BLUETOOTH
AERIAL
TP502
2
3
4
5
6
BATTERY
VBAT
5-8 (1-B)
G
VBAT
R401
0
8
BATTYPE
BATT
C418
1.6P
G
5-4 (3-D)
G
5-8 (1-A)
C507
1
5-4 (5-H)
5-4 (1-B)
AN401
1
2
5-4 (6-C)
5-4 (1-B)
5-4 (1-C)
5-4 (1-H)
5-4 (1-B)
5-4 (1-H)
5-4 (1-B)
9
BC1
/RESET
USB_PU
USB_D+
USB_D-
AUDIO_OUT
D503
RB160M30
NC
Q501
DC114 YETG
G
G
G
G
G
USC[1]
USC[2]
USC[6]
GPIO_09
USC[5]
AUDIO_IN
USC[4]
AUDIO_SELECT
SOFT1
IC503
TK73840G
REGULATOR
9
Vout
8
PC
Vfb
7
0V 0V
0V
1
G
G
G
G
G
G
G
G
G
BOTTOM VIEW
9
6
3
8
5
2
7
4
1
ABC
GND
GND
5
6
23
3
2
1
ACL
4
R509
18K
END/
POWER
ON/OFF
R508
2.7K
Vin
3
2
PE
R511
47K
1
Q507
EC4401 C
R502
470K
2.93V
TP508
TP509
C510
1
C511
0.01
Q502
EC4401 C
NG
ND
0V
124
0V
NS ND
NG ND
1
0V
23
NS ND
NG ND
0V
124
0V
NS ND
Q504
EC4401 C
TP504
TP505
3.0V
VINT
IC507
74VHC1GT
LOGIC
5
Vcc
4
GND
R503
0V
0V
3
0V
4
0V
0V
0V
3
3.0V
VINT
R564
10K
470K
1
2
3
3.0V
VINT
R505
470K
R518
0V
0V
R504
100K
R519
3.2V
VUSB
Q506
EC4301 C
PG PD
124
PS PD
3.0V
VINT
10K
R516
0
B1
1
2
GND
3
B0
B1
1
2
GND
3
B0
100K
R506
1.5K
R520
0
0V
0V
0V
0V
3
D505
RB52130T
S
Vcc
A
S
Vcc
A
Q505
EC4401 C
ND
4
ND
R522
100K
R512
0
R513
0
3.0V
VINT
6
5
4
6
5
4
3.0V
VINT
NS
0V
23
0V
1
NG
Q503
DC114 YETG
2.954V
2
C513
1
C521
1
3.2V
VUSB
TP507
CN502
EXTERNAL CONNECTOR
USB/Hands Free ESAC/DC Charger
GND USB
1
USB D+
2
USB D-
3
USB VBUS
4
Not connect
5
Reserved
6
Audio-out
7
8
Not connect
9
Audio-in
GND
10
11
12
13
14
GND
Not connect
Not connect
Not connect
Power Supply
Reserved
Not connect
Manufacturer
Specific
Not connect
GND
GND UART
RXD
TXD
Not connect
Power Supply
Genie Rx
Genie Tx
Manufacturer
Specific
Not connect
GND
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1. ( ) : Not Mount
123
45
Figure 2 SCHEMATIC DIAGRAM (2/6)
6
789
5 -- 6 5 -- 7
10 11
12
GX25
CONFIDENTIAL
GX25
MAIN PWB-A (3/3)
G
PA
A
5-4 (1-E)
5-6 (6-C)
BATT
G
RECEPTION SIGNAL
TRANSMISSION SIGNAL
BATT
FL823
FERRITE BEADS
C1820
0.001
IC804
R5322P
VOLTAGE REGULATOR
BS5
VRF
6
5
4
VTCXO
C831
0.0022
C835
0.1
C806
2.2
R810
1
C802
2.2
R811
1
1
VBAT
G
C801
1
G
TCXOEN
5-4 (1-D)
B
5-6 (5-C)
1
CE1
VOUT1
2
VDD
GND
CE2
3
VOUT2
C
G
IP
G
5-4 (1-D)
D
IN
G
QP
G
QN
E
BTCLK
BS1
BS2
BS3
BS4
BS5
G
BS1 BS2
HIGH
HIGH
LOW
HIGH
LOW
LOW
G
G
G
G
G
LOW
HIGH
LOW
HIGH
LOW
G
G
G
G
G
BS3
HIGHLOW
LOW
LOW
LOW
LOW
LOW
BS4
HIGH
LOW
HIGH
LOW
HIGH
LOW
LOW
LOW
HIGH
LOW
HIGH
LOW
5-4 (1-D)
5-4 (1-H)
5-4 (1-D)
SYNTHEN
SYNTHCLK
TCXOOUT
SYNTHDATA
5-6 (1-F)
F
G
5-4 (1-E)
GSM
900
DCS
1800
PCS
1900
AFCDAC
TX
RX
TX
RX
TX
RX
5-4 (1-D)
H
C832
270P(CH)
TCX801
26MHz
VCTCXO
Vcont
OUTPUT
4
R802
4.7K
GND
TP802
TP801
Vcc
C807
0.01
C803
0.01
2
3
C833
100P(CH)
1
R801
C836
100P(CH)
C837
0.1
1.8K
C812
22P(CH)
NC
VTCXO
C811
22P(CH)
910
25
26
27
28
29
30
31
32
33
34
35
36
C830
1
7
8
L821
2.2nH
L822
2.2nH
VCCIO
IOUTB/
IINB
IOUT/IIN
16
17
18
VCCRFSYN
CPRFSYN
FLOCK
L802
TXVCOG
IC801
15515502
RF
VCCBB
FERRITE
BEADS
R805
6.8K
QOUT/QIN
QOUTB/QINB
VCCIFSYN
CPIFSYN
LE
CLK
VCXOOUT
SDATA
GNDVCXO
VCXOE
VCXOB
VCC
VCXO
37 38 39 40 41 42 43 44 45 46 47 48 49
VRF
C840
330P
C841
0.0033
R806
6.8K
TXOUTD
TXVCOGB
COMMONGND
VCCRFVCO
DIVON
VCCRFLO
C842
0.1
C843
0.0018
TXOUTG
CAPQB
L801
FERRITE BEADS
131415161718192021222324
TXVCOD
VCCOPLL
TXVCODB
VCCTXVCO
GSMGND
GSMLNAIB
GSMLNAI
DCSGSMGND
DCSLNAIB
DCSLNAI
PCSDCSGND
PCSLNAIB
PCSLNAI
PCSGND
VCCLNA
CAPQ
CAPIB
CAPI
VCCMIX
C844
0.0018
C851
0.0018
C810
1
PLL
OUT
GND
R1863
100K
R1861
47K
R1862
100K
C860
47/6.3V
BS4
BS5
1112
C1866
100P
(CH)
BS2
BS2
C1862
0.001
NC
NC
NC
15
C871
47P(CH)
DCS/
37
PCSIN
38
NC
VCC1DCS/
39
PCS
40
BANDSEL
41
TXENABLE
VBATT
42
43
VBATT
44
NC
45
VRAMP
46
VCC1GSM
47
GND1GSM
GSM850/
48
GSM900IN
FL803
RF SWITCH
GSM
1
850_RX
GSM
2
900_RX
GND
3
GSM
4
1800_RX
GSM
5
1900_RX
6
Vc2
7
GND
36
35
NC
NC
123
NC
C1824
0.001
16
GND
GSM850/
900-TX
GSM1800/
1900-TX
VcGSMTx
GND
8
34
GND
VCC2DCS/
PCS
NC
VCC2GSM
NC
R1874
0
L1871
6.8nH
Vc850RX
VDD
Vc1
ANT
NC
33
NC
GND
4
NC
28
30
31
29
32
NC
GND
DCS/PCSOUT
NC
GND
IC802
RF3146
POWER AMP.
GND
NC
GND
NC
GSM850/
GSM900OUT
C1878
1P(CH)
C1875
2P(CH)
13
BS1
C870
47P(CH)
9
NC
C872
47P(CH)
5678
15
14
13
12
11
10
9
14
BS1
BS3
NC
NC
NC
26
25
27
NC
NC
NC
VCC3DCS/PCS
VCCOUT
VCCOUT
VCC3GSM
NC
NC
NC
12
10
11
NC
NC
NC
C873
0.001
C881
47P(CH)
VRF
NC
L883
10nH
GSM
DCS
PCS
RF-SWITCH
TX
RX
RX
TX
RX
C831A
5P(CH)
L884
12nH
POWER AMP
BS4
HIGH
HIGH
HIGH
BS2
BS1
LOW
HIGH
HIGH
LOW
LOW
HIGH
HIGH
LOW LOW
LOW
HIGH
LOW
LOW
L830
2.7nH
C885
0.7P
R832
0
BS5
LOW
HIGH
HIGH
BS3
HIGH
LOW
LOWTX
LOW
LOW
ANT801
1
2
1
2
ANT802
BUILT-IN
AERIAL
24
NC
NC
23
NC
NC
NC
NC
NC
NC
NC
NC
NC
22
NC
21
20
19
18
NC
17
NC
16
NC
15
NC
14
NC
13
ESD DEVICE
C1822
0.01
C1823
100P
(CH)
NC
56
123
FL905
R1873
0
L1872
3.3nH
4
J801
RF CONNECTOR
1
C1876
2P(CH)
C1877
2P(CH)
3
GSM
DCS
PCS
2
4
C867
47P(CH)
TXOUT_DCS/PCS
C1863
100P(CH)
R1860
0
TXOUT_GSM
C850
0.015
R807
33
12
11
10
9
8
7
6
5
4
3
2
1
C845
0.1
L892
6.8nH
R804
0
R806A
0
L891
6.8nH
R803
0
R805A
0
C892
1P(CH)
FL902
SAW FILTER
Out1
6
Out2
7
Out1
8
Out2
9
4
FL903
SAW FILTER
5
GND
GSM900
IN
GND
10
23
5
GND
GND
DCS
IN
1
4
3
2
1
C855
47P(CH)
C856
22P(CH)
C857
22P(CH)
C1865
82P(CH)
RX_PCS
RX_GSM900
RX_DCS
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1. Waveform numbers of 1,
123
45
Figure 3 SCHEMATIC DIAGRAM (3/6)
6
789
10 11
5 -- 8 5 -- 9
7 18
are shown on pages 5-2, 5-3.to( ) : Not Mount
12
GX25
CONFIDENTIAL
MAIN PWB-A (FRONT SIDE)
A
5-18 (4-H)
FROM
RELAY FPC
PWB-F (REAR SIDE)
5-18 (2-C)
B
FROM EARTH FPC PWB-C
R228
R234
R233
B
R225
R217
FL105
FL104
C
D
LED555
31 60
CN101
30
FL101
FL102
C186
R218
R235
R224
R227
C195
R161
R110
R160
C170
LEFT
R185
SOFT
SEND
TP801
TP165
TP178
TP164
R555
R554
C149
TP802
5550454035
510152025
1
R175
CENTRE
CAMERA
TP110
FL103
FL223
R231
RIGHT
SOFT
TP163
TP198
FL222
R182
TP167
TP195
FL221
R276
FL220
C199
R197
TP534
TP510
TP520
END/
POWER
TP153
R275
R274
FL219
IC115
1
3
TP121
LED556
R556
TP182
2
R273
TP181
TP180
TP179
TP152
TP151
TP150
TP149
TP125
TP118
TP109
TP108
TP107
TP105
TP104
TP103
R553
LED553
R551
R561
R562
TP129
MIC100
MICROPHONE
E
LED554
R552
F
G
H
This PWB employs lead-free solder.
R565
LED559
R559
1
2
IC403
TP113
TP169
TP154
2
LED552
TP170
4
TP521
TP120
7
TP176
TP504
LED560
TP401
4
C401
3
C402
R406
TP523
R2015
L101
TP119
ZD101
TP528
L102
C101
TP505
TP524
TP102
5
8
0
TP101
TP171
TP159
TP509
TP529
TP507
TP536
TP515
1
TP174
LED551
TP173
LED561
TP503
TP525TP526
9
#
TP535
3
6
LED562
TP508
123
Figure 4 WIRING SIDE P.W.BOARD (1/5)
5 – 10
45
6
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