Midi - LG G5300 Service Manual

8.3 MIDI

1 2
ADD0
ADD1
A
B
VBAT
U302
NCP512SQ30T1
1 5
VIN VOUT
2
GND
3 4
RPWRON EN NC
C328
1u
(2012)
C
VBAT
VCHARGE
POWERKEY
C333 SIM_EN
10u
(2012)
R347
VBAT
0.33
C334
1000p
D302
Q301
CUS02
S G
D
5 4
D4 D3 C335
6 3
0.1u
D5 D2
7 2
D6 D1
8 1
TPCF8102
2V45_VRTC
GATEIN
EOC
CHG_EN
BAT301
CHRDET
CLKON
RPWRON
VBAT
E
TP411 TP412
1 2
LGIC(42)-A-5505-10:01
3 4
R301 1K
LCD_RES
R302 NA
R303 1K
DATA0
R304 0 R305 1K
DATA1
R306 1K
DATA2
R307 1K
DATA3
R308 1K
DATA4
R310 1K
DATA5
R311 1K
DATA6
R313 1K
DATA7
R314 1K
DATA8
R315 1K
DATA9
R316 1K
DATA10
R317 1K
DATA11
R318 1K
DATA12
R319 1K
DATA13
R320 1K
DATA14
R321 1K
DATA15
R322 1K
_WR
R323 1K
_MAIN_LCD_CS
R324 0
3V0_VLCD
R325 1K
LCD_BACKLIGHT_CTL
R326 NA
LCD_ID
C305 C306 C307 C308 C309 C310 C311 C312
27p 27p 27p 27p 27p 27p 27p 27p
3V0_VLCD
C327
1u
(2012)
VBAT
R340
C329
C330
100
0.1u
10uF _RESET
C331 C332
(2012)
100p 100p
2 3
PWRONKEY ROWX KEYROW0
4
SIMEN
2V85_VSIM
8
MVBAT MVBAT
10
CHRIN
14 18 2V8_VMEM
ISENSE RESET
19 2V45_VCORE
VSIM
12
GATEDR
21 2V45_VAN
VMEM
7
U301
BATSNS
2V7_VTCXO
22
ADP3408
VCORE
17
RESCAP
24
VAN
25
VTCXO
6
VRTC
26
REFOUT C341 C342 C343 C344 C345 C346
0.22u 2.2u 2.2u 4.7u 0.1u 0.22u
(2012) (2012) (2012) (2012) (2012)
C348 C349
NC 0.1u
J_RPWON
R348
200K D301
DAN222
TP413
ONNOFF
2
RPWRON
3
PWRON
1
R349
200K
3 4
5 6 7
VBAT
CN301
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
C325 C326
C313 C314 C315 C316 C317 C318 C319 C320 C321 C322 C323 C324 2.2u 2.2u
27p 27p 27p 27p 27p 27p 27p 27p 27p 27p 27p 27p (2012) (2012)
2V8_VMEM
R327 R328 R329 R330
100K 100K 100K 100K
DSR
R331 NA
USC3
R332 NA
USC0
R333 47
USC1
R334 47
USC2
R335 47
USC4
R336 47
USC5
R337 47
ACC_DET
R338 47
RX
R339 47
TX
R341 4.7
HFK_AUXON
R342 4.7
HFK_AUXOP
R343 100
HFK_AUXIP
R344 100
HFK_AUXIN
R345 47
RPWRON
R346 0
2V45_VRTC
C347
0.1u
Approved
Iss. Notice No. Date Name
5
- 115 -
8 9
2V85_VSIM 2V85_VSIM
R309
20K
SP301
C301
220n
J301
1
VCC
2
SIM_RST RST
3
SIM_CLK CLK
SIM_SOCKET
SIM_DATAOP
SP303 SP304 SP305
C302 C303 C304
1000p NC NC
VBAT
C339
39p
C336 C337 C338
39p 39p 39p
Section Date Sign & Name
MODEL
12/02
Designer MK CHEN
2002
YK KIM
Checked
DRAWING
NAME
NS KIM
DRAWING
LG Electronics Inc.
NO.
8. CIRCUIT DIAGRAM
10
A
R312
0
5
GND
6
VPP
7
IO
SP302
B
VCHARGE
CN302
1
2
3
C
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
I/O CONNECTOR
D
C340
39p
Sheet/
Sheets
3/4
BB
VER 1.4
LG Electronics Inc.