- 116 -
8.2 Audio Part
1
MODEL
1
SPK+
NAME
A
Sheets
C
0
10K
Approved
Designer
LCD BACKLIGHT
R244
VIBRATOR
4
1
2
NC
R212
(2012)
8
Date
SPK-
Speaker
5
Name
LG Electronics Inc.
CLOSE TO MIC
5
9
16POLY
10K
0
DRAWING
KEY BACKLIGHT
Notice No.
3
(2012)
LGIC(42)-A-5505-10:01
(2012)
D
DRAWING
Iss.
HFK
B
HEADSET
LG Electronics Inc.
HFK
40POLY
HFK_EAR
A
10
Sign & Name
CLOSE TO RECEIVER
3
(2012)
CONNECTION
Checked
Headset jack
D
4
E
07/28
2003
BB
SPFY0060901_1.1
2/4
G3100
C
Sheet/
Date
(2012)
0
HFK_EAR
NO.
1
B
7
6
HEADSET
Section
CONNECTION
2
C238
27p
1
2
R226
47
1
2
CN201
CN203
10K
R254
39p
C206
33K
R203
15
R217
47
R223
C219
0.1u
3V0_VLCD
C205
390p
0
R201
R241
1M
VBAT
C237
47p
C201
C204
0.01u
10u
MAX4599EXT-T
U201
COM
5
3
GND
IN
1
4
NC
NO 6
VCC
2
SP203
LD206
R250
0
L202
100nH
R252
0
15
R238
2V45_VAN
510K
R233
0
R215
100nH
L203
5
3
GND
IN
1
4
NC
NO
6
VCC
2
R206
100
MAX4624EUT-T
U203
COM
VA201
3
31
_RD
4
_RST
28
_WR
SP202
EQ3
HPOUT_L
10
HPOUT_R
11
IOVDD
32
2
LED
MTR
19
NC
5
6
PLLC
SPOUT1
17
18
SPOUT2
15
SPVDD
16
SPVSS
VDD
7
VREF
9
8
VSS
_CS
29
_IRQ
30
A0
1
CLK1
D0
27
D1
26
D2
25
D3
24
23
D4
22
D5
21
D6
20
D7
EQ1
12
EQ2
13
14
1.5K
R213
YMU762
U207
VOUT_SE
3
LP3981ILD-3.3
BYPASS
5
GND1
4
7
GND2
6
VEN
2
VIN
VOUT
1
39p
U202
4.7u
C203
1
C222
2SC5585
Q203
2
3
R211
2.2K
2V8_VMEM
R212
0
SP205
100nH
L201
0
R214
1.5K
SP206
R218
C208 0.1u
MAX9075EXK-T
U206
GND
2
OUT
1
5
VCC
VIN+
3
4
VIN-
D201
0.1u
C214
1SS352
C218
0.1u
R244
NC
R210
3.3K
0
R207
VA207
100K
R236
C217
VA205
0.1u
1000p
C215
3V0_VLCD
C212
1
2
47p
1
4
VBAT
MIC201
OBG-15S40-C2
IMX9T110
Q202
2
5
6
3
39p
C210
R239
NA
100K
3V0_VLCD
0.1u
C242
R219
3V0_VLCD
VBAT
47p
C216
R235
0
R240
R221
3.3K
3V0_VLCD
4.7
C223
C213
0.1u
39p
3V0_VLCD
R224
47
1M
R222
C227
27p
10u
C202
VA202
0.1u
C233
SP207
C235
47p
10u
C234
1K
R202
LD203
SP210
LD205
VBAT
R228
47
47
R227
47
R225
100K
R216
C209
VA206
39p
27p
C231
0.1u
C232
VA208
27p
C228
2.2K
R220
R237
2.2K
N_C1
6
10
N_C2
V+
8
SP201
MAX4695EGC
U205
2
GND1
GND2
13
GOM1
11
5
GOM2
12
IN1
IN2
4
9
NC1
7
NC2
1
NO1
NO2
3
1.5K
R234
VA204
0
R209
VA203
0.1u
C211
C236
47p
C230
27p
LD202
Q201
2
3
1
R204
2.2K
2SC5585
R255
4.7K
100
R208
SP204
4
5
J201
1
2
3
U204
MAX4624EUT-T
5
COM
GND
3
1
IN
NC
4
6
NO
2
VCC
3V3_VMIDI
C243
0.1u
C207
LD201
39p
C224
LD204
NC
3V3_VMIDI
C220
2.2u
R257
0
R205
82K
R256
0
SP209
CN202
1
2
C229
27p
C225
2V8_VMEM
10u
0.1u
C221
SP208
R251
NC
MIC_ONOFF
JACK_DETECT
RPWRON
VCHARGE
ONNOFF
KEY_BACKLIGHT
HFK_EAR
HFK_EAR
HFK_AUXOP
HEADSET_SPK_P
HFK_AUXON
AUXOP
AUXON
HEADSET_MIC_P
VOUTNORP
VOUTNORN
13MHz
AUXIP
HEADSET_MIC_P
AUXIN
VINNORN
VINNORP
VIBRATOR
HEADSET_SPK_P
_RD
_WR
_MIDI_IRQ
ADD0
VMIDI_CTL
_MIDI_RST
HFK_EAR
HFK_AUXIP
HFK_AUXIN
HOOK_DETECT
DATA15
DATA14
DATA13
DATA12
DATA11
DATA10
DATA9
DATA8
_MIDI_CS
Summary of Contents for G3100
Page 32: ... 34 3 TECHNICAL BRIEF Figure 3 20 TX IQ Signal Figure 3 21 RX IQ Signal ...
Page 40: ... 42 Figure 3 26 1 Voice band circuit diagram Headset Hands free kit part 1 3 TECHNICAL BRIEF ...
Page 42: ... 44 Figure 3 27 AD6521 circuit diagram 3 TECHNICAL BRIEF ...
Page 73: ... 75 4 3 8 Receiver RF Level Figure 4 1 Test Points of Rx Level 4 TROUBLE SHOOTING ...
Page 74: ... 76 4 3 9 Transmitter RF Level Figure 4 2 Test Points of Tx Level 4 TROUBLE SHOOTING ...
Page 81: ... 83 The Receiver part Circuit Diagram C203 C207 C206 4 TROUBLE SHOOTING ...
Page 87: ... 89 R202 MIC201 R204 C204 C201 R208 R206 C208 Q203 4 TROUBLE SHOOTING ...
Page 93: ... 95 Test SIM Connector Check J301 4 TROUBLE SHOOTING ...
Page 97: ... 99 J201 R240 C234 L201 R241 4 TROUBLE SHOOTING U205 U203 U204 ...
Page 101: ... 103 CN302 U203 U204 4 TROUBLE SHOOTING ...
Page 102: ... 104 U205 4 TROUBLE SHOOTING ...
Page 117: ... 119 9 PCB LAYOUT 9 1 Rear Part ...
Page 118: ...9 2 Front Part 120 ...
Page 134: ... 137 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 Exploded View ...