- 117 -
RX
D
MODEL
Date
Notice No.
A
RXD
CLR
1
LG Electronics Inc.
1
USC0
TMS
2005
DAI
ha sung woo
9
C
Designer
Sign & Name
CAMERA
A
TCK
3
-
LEFT
USC1
SIM CONNECTOR
I/O CONNECTOR
PIN
10
RIGHT
VOL_DOWN
Section
SEL
DRAWING
LGIC(42)-A-5505-10:01
B
#
UART
2
NAME
CTS/RTS(PC)
-
0
8
Pin 7
5
4
USC6
_RESET
USC4
USC5
OK
4
VIBRATOR
7
DOWN
2
08/10
Pin 1
NO.
Sheet/Sheets
DRAWING
SEND
E
3
SCHEDULE
Date
Name
TDI
6
8
DAI
END
-
5
3
Trace32
PIN
Pin 9
5
RESET
C
D
TX
JTAGEN
VOL_UP
Pin 2
LG Electronics Inc.
Iss.
6
9
USC2
MENU
RTS/CTS(PC)
4
-
C303
MG300d
3 / 7
VER_1.0
KEY, IO, SIM, VIBRATOR
(GPIO_13)
FAV
*
TXD
UP
2V8
Pin 18
CLOCK
Pin 24
(GPIO_11)
7
Pin 11
TDO_1
2
1
1u
LEBB-S14H
LD306
VCHARGE
1K
R333
C327
27p
R334
100K
R320
100
100
R321
C319
SW319
SW312
1u
LD309
LEBB-S14H
R318
100
LEBB-S14H
100
VBAT
LD304
NC2
C4
NO1
A4
NO2
B4
V+
R317
U301
MAX4717EBC-T
C3
COM1
A3
COM2
B1
GND
C2
IN1
A2
IN2
C1
NC1
A1
C317
C302
1u
1u
R330
47
0
R355
47
R339
2
5
6
3
1
4
47
R338
Q300
IMX9T110
VBAT
SW307
20K
R354
1u
C304
C305
R362
10
NA
39p
EVLC18S02015
VA300
C324
LEBB-S14H
LD312
1u
C322
C309
VA305
EVL5M02200
1u
R353
47
23
24
25
26 27
28
29
3
4
5
6
7
8
9
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
CN302
ENRY0002202
47
R329
R345
47
SW323
SW300
R347
47
100K
R310
47
R342
1u
C314
SW308
SW305
R335
680
C306
R328
47
10p
EVLC18S02015
VA303
LEBB-S14H
R351
680
LD300
1u
C318
1u
C321
LD307
LEBB-S14H
LD305
LEBB-S14H
VA302
EVLC18S02015
VUSBIN
EVLC18S02015
VA301
VA308
EVLC18S02015
R306
NA
R364
47K
R316
SW320
47
SW322
1u
C311
22u
C301
23
64
1
5
EMZ2
Q301
47
R349
LEBB-S14H
LD313
220
R366
3
CLK
4
GND
I_O
6
2
RST
VCC
1
VPP
5
2V8_VMEM
J300
680
R350
R337
680
0
R356
R309
47
R344
100K
R323
47
C320
1u
SW304
R359
10
2V8_VEXT
R363
NA
47
R322
SW316
680
R336
C312
1u
SW311
R365
20
7.5K
SW318
SW303
R368
R301
NA
47
R315
100K
R332
47
R352
NA
R326
0
R302
3p
R324
47
1u
C315
C307
SW310
R305
NA
47
R325
680
R314
47
R346
LEBB-S14H
LD302
SW301
R340
47
SW321
LD308
LEBB-S14H
SW313
SW315
CN300
1
2
3
220n
C323
R307
NA
C325
LD301
LEBB-S14H
22p
LD311
LEBB-S14H
SW306
LEBB-S14H
SW302
EVL5M02200
VA306
VUSBIN
LD303
R300
VBAT
NA
R361
10
D300
1SS352-TPH3_F
VA304
EVLC18S02015
R341
47
R367
SW314
1.5K
NA
R304
2V8_VEXT
STF203-22-TCT
U300
C310
1u
EVLC18S02015
VA309
VBAT
C308
0.1u
VBAT
2V85_VSIM
C313
1u
12K
R357
R360
12K
CN301
1
2
3
4
2V85_VSIM
LEBB-S14H
VBAT
1u
LD310
SW317
C316
C328
27p
1u
C329
R303
NA
100K
R312
22u
C300
R343
47
VA307
EVL5M02200
1000p
C326
4.7u
C330
47
R327
R358
10
100
R319
100K
R308
47
R348
10K
R313
47
R331
SW309
R311
100K
KEY_ROW5
KEY_COL0
USC4
USC5
VIBRATOR
MOTOR
KEY_COL3
KEY_COL2
KEY_COL1
KEY_ROW0
USB_PATH_SEL
MU
MULTI_USB-
USB+
USB-
SIM_RST
SIM_DATA
SIM_CLK
BATT_TEMP
JTAGEN
_RESET
TMS
TCK
TDI
TDO_1
CHG_DET
RPWRON
DEBUG_TX
DEBUG_RX
USC1
USC2
USC0
DSR
USC3
USC6
KEY_COL4
KEY_ROW1
KEY_ROW2
KEY_ROW3
KEY_ROW4
POWERKEY
KEY_BACKLIGHT
7. CIRCUIT DIAGRAM
Z3X-BOX.COM
Summary of Contents for MG300d
Page 23: ...3 TECHNICAL BRIEF 24 Figure 3 1 SKY74400 FUNCTIONAL BLOCK DIAGRAM Z 3 X B O X C O M ...
Page 83: ...4 TROUBLE SHOOTING 84 4 6 LCD Trouble EMI FILTER CN600 Test Points Z 3 X B O X C O M ...
Page 110: ...5 DOWNLOAD AND CALIBRATION 111 8 Push the START button Z 3 X B O X C O M ...
Page 111: ...5 DOWNLOAD AND CALIBRATION 112 9 Phone test Finish is shown in below screen Z 3 X B O X C O M ...
Page 112: ...6 BLOCK DIAGRAM 113 6 BLOCK DIAGRAM Z 3 X B O X C O M ...
Page 113: ... 114 Z 3 X B O X C O M ...
Page 124: ... 125 MG300d 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 125: ... 126 MG300d 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 137: ... 138 Z 3 X B O X C O M ...
Page 138: ... 139 Z 3 X B O X C O M ...
Page 140: ... 141 12 EXPLODED VIEW REPLACEMENT PART LIST Z 3 X B O X C O M ...
Page 141: ... 142 Z 3 X B O X C O M ...