- 116 -
Section
(256Mb64Mbit PSRAM)
HEADSET JACK
2
1
6
H
Designer
Notice No.
Sheet/Sheets
SPEAKER
Sign & Name
C
E
B
4
INSERT
MEMORY
Name
B
5
LG Electronics Inc.
REMOVE
10
MODEL
3
3
08/10
CLOSE TO MIC
LG Electronics Inc.
NO.
NAME
SPK_RCV_SEL
RECEIVER
Approved
JACK_DETECT
4
5
ha sung woo
D
C
2
Date
Iss.
1
Checked
L
A
9
B
2005
A
H
3
1
L
6
5
8
7
A
DRAWING
MG300d
2 / 7
VER_1.0
AUDIO/SOUND/MEMORY
DRAWING
D
LGIC(42)-A-5505-10:01
Date
2
4
0.1u
C220
EVL5M02200
VA204
VA203
EVL5M02200
1u
C221
33u
C208
C216
39p
1K
R200
2V8_VMEM
39p
C210
39p
C212
0.1u
0.1u
C200
C225
2V8_VMEM
2V8_VEXT
100
R207
20K
R201
R212
1K
4.7
22u
R208
1
2
C203
NC2
C4
NO1
A4
NO2
B4
V+
MIC200
SOB-413S44-RC3310
U205
NLAS4684FCT1
C3
COM1
A3
COM2
B1
GND
C2
IN1
A2
IN2
C1
NC1
A1
R217
2.2K
2V8_VMEM
2V8_VMEM
R218
100K
C215
0
R215
39p
R214
C228
100
220p
C206
EVL5M02200
VA201
1V8_VCORE
33u
39p
2V8_VEXT
C218
C201
0.1u
EVL5M02200
VA200
R210
330K
39p
R205
1M
A3
GND
B1
IN1
C2
IN2
A2
NC1
C1
NC2
A1
NO1
C4
NO2
A4
V+
B4
C214
NLAS4684FCT1
U204
COM1
C3
COM2
0
R206
C227
0.1u
1u
C224
GND
2
1
3
4
5
VCC
TC7SH08FS
U203
0.1u
C202
R204
20K
1K
R203
R211
1M
2V5_JACK
C2
IN2
A2
NC1
C1
NC2
A1
NO1
C4
NO2
A4
V+
B4
NLAS4684FCT1
U202
COM1
C3
COM2
A3
GND
B1
IN1
2V5_VMIC
OUT
5
VCC
3
VIN+
VIN-
4
R216
100
U201
2
GND
1
NA
1u
C222
C204
R213
2.2K
2V8_VEXT
1.5K
R202
C207
39p
39p
C219
EVL5M02200
VA202
E5
_CE1
K1
_CE2
G8
K3
_CE3
J2
_OE1
_OE2
H8
D6
_P1_CS
K2
_P2_CS
_RST
F4
C2
_R_LB
H1
_R_OE
F3
_R_UB
D5
_R_WE
_S_CS1
J1
_WE
F5
E4
_WP
L4
VCC21
B6
K6
VCC22
J8
VCCQ1
K7
VCCQ2
L3
VCCQ3
D4
VPP
VSS1
B4
VSS2
C4
VSS3
L1
L2
VSS4
L5
VSS5
L6
VSS6
L7
VSS7
VSS8
L8
WAIT
G7
_ADV
D7
G2
D8
D9
J3
NC1
A1
NC2
A2
NC3
A7
A8
NC4
NC6
M1
NC7
M2
M7
NC8
M8
NC9
P_MODE
K8
K5
P_VCC
S_CS2
C5
K4
S_VCC
VCC11
B5
VCC12
F6
A9
D7
CLK
C6
D0
H2
D1
H3
D10
G4
D11
J4
D12
H5
G6
D13
D14
H6
D15
J7
D2
G3
H4
D3
J5
D4
G5
D5
J6
D6
H7
A16
D2
A17
B2
A18
B3
A19
A2
E1
E6
A20
A21
B7
A22
C7
A23
C3
A24
D3
E3
A25
D1
A3
B1
A4
C1
A5
A6
F2
A7
E2
A8
G1
A0
A1
F1
A10
E7
A11
B8
C8
A12
A13
D8
A14
F7
E8
A15
F8
0.1u
U206
RD38F4050L0ZBQ0
0.1u
C226
C205
C223
1u
10u
C213
GND
1
NC
4
VOUT
3
2
Vin
NCP563Q25T1
U200
0
R209
C209
C211
39p
J200
NA
C217
0.1u
HOOK_DETECT
2V5_JACK
ADD15
ADD17
ADD19
ADD03
ADD21
ADD05
ADD06
ADD08
ADD23
_ROM_CS1
_ROM_CS2
_ROM_CS1
_ROMCS1
_RESET
AUX_OUT_L
MIDI_HP_R
MIDI_HP_L
MIC_PATH_SEL
MULTI_MIC_P
MULTI_MIC_N
VINNORP
VINNORN
ADD01
ADD10
ADD13
ADD02
ADD12
ADD14
ADD16
ADD04
EAR_SPK_R
HEADSET_PATH_SEL
EAR_SPK_L
AUX_OUT_R
AUXIN
EAR_SPK_L
JACK_DETECT
EAR_SPK_R
_UBS
_WR
_WR
_RAM_CS1
AUXIP
DATA03
DATA04
DATA05
DATA06
DATA07
DATA08
DATA09
_LBS
_ADV
_WAIT
BURSTCLK
_RESET
_ROMCS1
_RD
_RD
SPK_N
ADD11
ADD18
ADD20
ADD22
ADD07
ADD09
DATA00
DATA01
DATA10
DATA11
DATA12
DATA13
DATA14
DATA15
DATA02
SPK_RCV_P
SPK_RCV_SEL
SPK_RCV_N
RCV_P
RCV_N
SPK_P
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 ...