LG MG150 Service Manual page 105

8. CIRCUIT DIAGRAM
1 2
TOSHIBA(0.16)
TOSHIBA(0.13)
MG150
MEMORY
(AMD)
A
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(8)
D(9)
D(10)
D(11)
V_FLASH
D(12)
D(13)
D(14)
D(15)
B
C208 C209
0.1u 0.1u
C
MIC
R212 1K
MICBIAS
C223
15p
MICP
C225 0.1u L200 100nH
C226
27p
MICN
C229 0.1u L201 100nH
C230
15p
D
Close to ABB
HOOK_DETECT
EAR-MIC
HSMICBIAS
C239
C241 0.1u NA
HSMICP
C242 10u
E
HSO
L204
100nH
R226 22
(1608)
C245
10p
Close to ABB
1 2
LGIC(42)-A-5505-10:01
3 4 5
R205 R206 R207 R210 R208
NA 0 0 NA 100K
NA 0 0 NA NA
AMD 0 NA NA 0 NA
LCD_RESET
U200 TV00670003AABB
J3 G2
DQ0 A0 A(1)
G4 F2
DQ1 A1 A(2)
K4 E2
DQ2 A2 A(3)
H5 D2
DQ3 A3 A(4)
H6 F3
DQ4 A4 A(5)
K7 E3
DQ5 A5 A(6)
G7 D3
DQ6 A6 A(7)
J8 C3
DQ7 A7 A(8)
K3 C7
DQ8 A8 A(9)
H4 E7
DQ9 A9 A(10)
J4 F7
DQ10 A10 A(11)
K5 C8
DQ11 A11 A(12)
J7 D8
DQ12 A12 A(13)
H7 E8
DQ13 A13 A(14)
K8 F8
DQ14 A14 A(15)
H8 D9
DQ15 A15 A(16)
G9
A16 A(17)
F4
A17 A(18)
J5 E4
VCCF1 A18 A(19)
G5 D7
VCCF2 A19 A(20)
J6 E6
VCCPS A20 A(21)
E9
A21 A(22)
R205 0
G3 H2
VSS1 _CEF1 ROM1_CS
J9 F5 R206 NA
VSS2 _CEF2 ROM0_CS
H3 R207 NA
_OE _RD
C6
V_FLASH
_WE _WR
A1
NC1
A10 E5
NC2 RY__BYF
B1
NC3
B10 C5
NC4 _WP_ACC
C1 D5
NC5 _RESET FDP
F1 H9
NC6 _BYTE
F6
R208 NA
NC7
F10 C4
NC8 _LB _BLE
G1 D4
NC9 _UB _BHE
G6 J2
NC10 _CE1PS RAM_CS
G10 D6
NC11 CE2PS
L1
R209 100K
NC12
L10 F9
NC13 DU1
M1 G8
R210 0
NC14 DU2
M10 K6
NC15 DU3
C219 C220
47p 4.7u
(1608)
R213
2.4K
MIC201
1
C227 C228
2
47p 10p
OBG-415L42-C33R-GB1
R219
1K
Close to MIC
1K R220
V_IO
C234
47p
R221
R222 1K R223 5.6K 10K
R224 47K C235
C236 4.7u
NA (1608)
VA305
C237 C238
CN201
47p 27p 2
L203 100nH
R225 0
4
L202 100nH
3
R250 R251
1
0 110 5
C243 C244 C240
C250 NA 0.1u NA
0.1u
R228 NA
ADIN1
C216
47p
Close to Ear-jack
3 4 5
6 7
MIDI
U201 YMU762
1 11
F1:408Hz F1:48Hz
MCLK CLK1 HPOUT_R
4 10
_RST HPOUT_L
30
C202 C201
A(1) A0
R200 39K R201 33K C203
31 12
1000p
_RD _RD EQ1
29
MIDI_CS _CS
0.01u
5 13
NC EQ2
28
_WR _WR
C204 47p
3
MELODY_INT _IRQ
D(0:7) R202 0
R203 150K
D(0) 27 14
F2:20KHz
D0 EQ3
D(1) 26 2
D1 LED
D(2) 25 19
D2 MTR VIBRATOR
D(3) 24
D3
D(4) 23
D4
D(5) 22 17
D5 SPOUT1 SPKP
D(6) 21
D6 SPKN
D(7) 20
D7
R204 3.3K
V_SRAM 6 18 VBAT
PLLC SPOUT2
9
VREF
32 15
SPVDD
IOVDD
7
VDD
8 16
VSS SPVSS
VBAT
A/S
C218 0.1u
U203
R215
100K
C4 C2
SPKP NO1 IN1 SPK_EN
A4 A2
SPKN NO2 IN2
C1 C3
RCV_P_SW NC1 COM1 SPK_RCVP
R216 0 C224
A1 A3
39p NC2 COM2 SPK_RCVN
RCV_N
R218 10
MAX4684EBC_T
Section Date
05/05/10
Designer
Checked
Approved
Iss. Notice No. Date Name LG Electronics Inc.
- 104 -
8 9 10
V_IO
U202 NLAST4599DFT2G 2
C200 VCC
0.1u
A
1u
6 NO
RCV_P_C RCV_P_C
COM 5
RCV_P
4 NC
GND IN
3 1
VOICEMAIL_EN
RCV_P_SW
B
CHARGER
VCHG
R211
Q200
C215
100K C217
6
4.7u
0.022u S2
C
(1608)
4
S1
3
ICTL G
D3 1
2
D2
D1 5
NDC652P
PCHG
R214 15
D200
CUS02
VBAT
VCCS
R217
0.2
(2012)
VBATS
C233
4.7u
(1608)
D
Sign & Name Sheet/
Sheets
MODEL
MG150
2/4
DRAWING
AUDIO
NAME
DRAWING
Rev_1.0
NO.
LG Electronics Inc.