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EXT_SPK_CONTROL/DEBUG
R1304
100
+3.5V_ST
IC1303
NLASB3157DFT2G
C1306
0.1uF
SELECT
6
1
JK1302
PEJ024-01
ON SEMICONDUCTOR
VCC
ANALOG SWITCH
5
2
3 E_SPRING
A
6A T_TERMINAL1
4
3
7A B_TERMINAL1
EAN38256201
IC1304
4 R_SPRING
NLASB3157DFT2G
5 T_SPRING
SELECT
6
1
7B B_TERMINAL2
ON SEMICONDUCTOR
ANALOG SWITCH
VCC
6B T_TERMINAL2
5
2
8 SHIELD_PLATE
A
4
3
EAN38256201
DC DC CONVERTER +12V
(For External power)
PSU
R1354
100K
Switching noise reducing [MPS recommend]
PSU
C1310
50V
0.1uF
IC1301
MP4460DQ-LF-Z
EP_GND
MBRA340T3G
close to pin
SW_1
BST
1
10
PSU
SW_2
VIN_2
2
9
D1302
PSU
C1301
EN
VIN_1
3.3uF
3
8
PSU
PSU
50V
R1351
COMP
FREQ
200K
$0.21
PSU
4
7
1/8W
C1307
FB
GND
1%
150pF
5
6
50V
PSU
L1301
PSU
22UH
C1305
PSU
C1311
22uF
0.1uF
25V
50V
5V/12V EXT PowerOut
+12V/+15V
+12V
L1307
R1302
CB3216PA501E
100K
OPT
LIPS
IC1302
MP2305DS
C1309
0.1uF
50V
BS
SS
1
8
C1304
0.01uF
IN
EN
50V
2
7
C1308
C1303
R1308
0.47uF
SW
COMP
2700pF
10K
25V
3
6
50V
R1306
GND
FB
56K
4
5
R1305
12.4K
L1302
22UH
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+3.5V_ST
R1318
100
UART_DBG_SW
R1324
IC1308
4.7K
DBG_SW
NLASB3157DFT2G
+3.5V_ST
+3.5V_ST
SELECT
B1
6
1
ON SEMICONDUCTOR
C1314
ANALOG SWITCH
R1313
0.1uF
VCC
GND
3.6K
5
2
R1311
B1
0
EXT_VOL+
A
B0
4
3
DBG_TX
GND
EAN38256201
B0
DBG_TX
+3.5V_ST
IC1307
NLASB3157DFT2G
R1315
3.6K
R1312
B1
SELECT
B1
0
EXT_VOL-
6
1
ON SEMICONDUCTOR
ANALOG SWITCH
GND
VCC
GND
5
2
B0
A
B0
DBG_RX
4
3
DBG_RX
EAN38256201
REAL TIME CLOCK
+24V
C1315
2pF
50V
+12V
C1316
PSU
2pF
C1302
50V
0.1uF
50V
R1321
VBAT
1K
PSU
PSU
R1353
R1358
BA1301
270K
10K
BATTERY
1/16W
1/16W
1%
1%
R1320
43
IC1305
MP5000DQ
GND
SOURCE_5
1
10
C1313
470pF
DV/DT
SOURCE_4
50V
2
9
R1317
ENABLE/FAULT
SOURCE_3
1K
3
8
EXT12V_CTRL
I-LIMIT
SOURCE_2
C1319
4
7
22uF
16V
R1310
1K
NC
SOURCE_1
EXT5V_CTRL
5
6
EXT_5V
11
L1303
CB3216PA501E
VCC
+12V
C1312
22uF
16V
C1317
C1318
1uF
22uF
16V
16V
+3.5V_ST
+3.5V_ST
R1319
4.7K
R1323
4.7K
EXT_PWR_DET
C
R1322
Q1301
B
1K
2SC3875S(ALY)
Q1302
E
2SC3875S(ALY)
UART SWITCH
SELECT CONNECTION
L
B0 - A
H
B1 - A
R1326
S7_DBG_TX
0
NEC_DBG_TX
S7_TXD
S7_DBG_RX
NEC_DBG_RX
S7_RXD
EXT_SPEAKER_AMP
+3.5V_ST
IC1306
M41T81
XI
VCC
C1321
1
8
R1329
0.1uF
4.7K
SUBAMP_SD
16V
XO
IRQ/FT/OUT/SQW
2
7
RTC_INT
R1327
SCL
22
3
6
CLOCK_SCL
SUBAMP_MUTE
R1328
VSS
SDA
22
4
5
CLOCK_SDA
EXT_12V
L1304
CB3216PA501E
EXT_SPEAKER
C1320
0.1uF
50V
JK1301
PEJ024-01
E_SPRING
3
T_TERMINAL1
6A
B_TERMINAL1
7A
D1301
R_SPRING
4
T_SPRING
5
R1325
10K
OPT
OPT
B_TERMINAL2
7B
C1322
C1325
1uF
1uF
10V
10V
T_TERMINAL2
6B
SHIELD_PLATE
8
R1338
100
UART_SW1
IC1310
+3.5V_ST
NLASB3157DFT2G
SELECT
B1
6
1
S7_DBG_TX
C1323
ON SEMICONDUCTOR
0.1uF
VCC
ANALOG SWITCH
GND
5
2
A
B0
4
3
UART_TX
NEC_RX
EAN38256201
R1359
OPT
0
IC1311
NLASB3157DFT2G
S7_DBG_RX
SELECT
B1
6
1
ON SEMICONDUCTOR
ANALOG SWITCH
VCC
GND
5
2
A
B0
4
3
UART_RX
NEC_TX
OPT
EAN38256201
R1360
0
+24V
L1305
BLM18PG121SN1D
C1333
C1330
0.1uF
0.1uF
50V
50V
IC1309
TPA3124D2PWPR
PVCCL_1
PGNDL_2
1
24
R1335
SD
PGNDL_1
100
2
23
PVCCL_2
LOUT
3
22
C1331
R1330
0.22uF
100
MUTE
BSL
50V
4
21
LIN
AVCC_2
EXT_L_AMP_IN
5
20
RIN
AVCC_1
6
19
EXT_R_AMP_IN
BYPASS
GAIN0
7
18
AGND_1
GAIN1
8
17
AGND_2
BSR
9
16
C1332
0.22uF
PVCCR_1
ROUT
50V
C1324
10
15
1uF
50V
VCLAMP
PGNDR_2
11
14
PVCCR_2
PGNDR_1
C1326
12
13
1uF
50V
C1329
0.1uF
50V
EXT_SPEAKER_MUTE
EXT_OUT_L
Q1304
2SC3052
RT1P141C-T112
R1349
Q1303
2K
3
EXT_OUT_R
EXT_OUT_R
Q1305
2SC3052
EXT_OUT_L
R1348
2K
EAX62115501
Commercial
R1347
100
UART_SW2
IC1312
+3.5V_ST
NLASB3157DFT2G
SELECT
B1
6
1
MST_NEC_TX
ON SEMICONDUCTOR
C1335
ANALOG SWITCH
0.1uF
VCC
GND
5
2
R1339
100
A
B0
4
3
UART_RX
EAN38256201
IC1313
NLASB3157DFT2G
SELECT
B1
6
1
MST_NEC_RX
ON SEMICONDUCTOR
ANALOG SWITCH
VCC
GND
5
2
R1342
A
B0
100
4
3
UART_TX
EAN38256201
C1334
68uF
35V
EXT_OUT_L
L1309
C1336
C1338
22.0uH
R1345
1uF
0.47uF
4.7K
50V
50V
L1310
22.0uH
C1337
C1339
R1346
1uF
0.47uF
4.7K
50V
50V
EXT_OUT_R
R1340
10K
R1343
OPT
10K
OPT
R1341
R1344
10K
10K
+3.5V_ST
R1350
10K
SUBAMP_MUTE
1
C1342
2
0.1uF
2009.10.08
13
LGE Internal Use Only
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