1
2
3
4
5
6
7
8
9
10
MICBIASP
H
G
F
H
G
F
HEADSET / DIGITAL AUDIO
R202
1K
MICBIASP
R217
430 OHM
1
MP3_OUTL
R203
1.5K
C201
22u (0805 Y5V 6.3V)
NORMAL MIC. INPUT
XMP3_R
R204
T201
VCE
FL202
1K
C200 100n/10V (X5R)
4
1
3
2
1
MICP0
XMP3_L
4
1
3
2
C203
C206
C209
nc
1
1
MICN1
MICP1
FL200
FL201
10u (0805 X5R 6.3V)
XMP3_R
T206
VCE
MK200
100n/10V (X5R)
J200
1
2
3
4
1
3
2
1
4
2
3
4
1
3
2
C202
10u (0805 X5R 6.3V)
1
2
R205
1.5K
EXC24CD121
LENOVO Audio Jack
4
Microphone
EXC24CD121
C210
EXC24CD121
R216
430 OHM
XMICP
1
MP3_OUTR
C208 100n/10V (X5R)
1
MICN0
XMP3_L
XMICP
100n/10V (X5R)
C215
T204
VCE
22u (0805 Y5V 6.3V)
T205
VCE
R206
1.5K
T207
VCE
R218
1K
ADC5_HF_MIC
R201
1K
1
EINT0_HEADSET
2004/12/24
R207
1K
MICBIASN
K302 K301
K306 K305
VBAT
KROW0
KCOL1
C220
C219
nc
[VOL_UP]
[VOL_DN]
nc 1u (6.3V K 0603 X5R)
(pad diameter 0.2mm)
K308
K304
E
D
C
B
A
E
D
C
B
A
KEYPAD (TACTILE SWITCH)
K307
K303
U200
5
3
7
1
4
2
6
8
LS200
KCOL0
KCOL1
KCOL2
KCOL3
KCOL3
GPO1_OP_ON
/SHUTDOWN
BYPASS
+IN
Vo2
GND
VDD
Vo1
T301
VCE
T303
KROW0
KROW1
KROW2
KROW3
KROW4
KROW5
T300
VCE
R209
nc
SW300
C222
nc
Louder SPK connector
VCE
MP3_OUTR
-IN
KSW
[SEND]
nc LM4890
1
1
1
1
1
1
2
1
2
R212
nc
ESD301
SW301
KSW
SW302
SW304
KSW
[SOFT_R]
KSW
According Side key components to modify schematic
[SOFT_L]
K310 K309
2
1
1
1
1
1
2
1
1
1
1
1
2
1
2
1
2
1
2
ESD306
ESD307
ESD309
KROW0
VBAT
[VOL_?]
SW305
KSW
SW306
SW307
SW308
K312 K311
KSW
KSW
KSW
C218
C217
0.1u
[1]
[2]
[3]
1u (6.3V K 0603 X5R)
(pad diameter 0.2mm)
KCOL2
U201
2
2
1
1
1
1
2
2
SPK+
1
2
1
2
1
2
1
2
5
3
7
1
4
2
6
8
GPO1_OP_ON
/SHUTDOWN
BYPASS
+IN
Vo2
GND
VDD
Vo1
ESD315
ESD316
ESD317
ESD318
T310
LS201
Louder SPK connector
SPKP1
4
R220
VCE
SW312
KSW
SW313
SW314
SW315
3
2
1
R208
100K
KSW
KSW
KSW
C221
22n
SPK-
-IN
[4]
[5]
[6]
LM4990ITL
0
MP3_OUTL
2
2
2
2
1
2
1
2
1
2
1
2
ESD326
ESD327
ESD328
ESD329
R211
100K
SW316
KSW
SW317
SW318
SW319
clam shell OPEN (EINT1 "H")
clam shell CLOSE (EINT1 "L")
KSW
KSW
KSW
[7]
[8]
[9]
2
2
2
2
1
2
1
2
1
2
1
2
U202
VDD
ESD340
ESD341
ESD342
ESD343
2
3
1
EINT1_CLAMSHELL
VOUT
1
VDD
SW320
KSW
SW321
SW322
SW323
C227
10p
KSW
KSW
KSW
C229
100n
GND
[*]
[0]
[#]
MLX90248/NEC MRSS22L
2
2
2
2
1
2
1
2
1
2
1
2
ESD348
ESD349
ESD350
ESD351
Title
Size
MT6219-GOLD
Document Number
Rev
A3
Audio,Keypad
Date:
Thursday, March 17, 2005
Sheet
2
of
10
5
1
2
3
4
5
6
7
8
9
ETC [ ETC ]
