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LG ME550d, Service Manual

The LG ME550d User Manual is a comprehensive guide that provides detailed instructions on operating and maintaining the LG ME550d product. You can easily download this manual for free from 88.208.23.73:8080, enabling you to make the most out of your device with ease and convenience.

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- 122 -

1

Notice No.

1

Designer

5

Date

NO.

Sheet/

7

Sheets

4

6

D

E

1

NOT MOUNT

7

8

A

C

D

2

Date

9

SHP

1.1

A

4

5

6

B

C

Section

SIDE_KEY_VOL

Sign & Name

Checked

Approved

MODEL

DRAWING

NAME

DRAWING

Name

SIDE_PWON

Iss.

LG Electronics Inc.

2

5

8

0

3

4

01/23

2007

K

FM & CONN & KEY

2/2

ME550c Main Key

10

3

AST

KEYPAD 

2

3

9

B

EVLC5S02100

VA203

R207

150

VA209

R205

EVLC5S02100

150

C200

NA

C201
NA

VA211

205

VBAT

6
7
8
9

G1

G2

G3

G4

VA200

EVLC5S02100

1

10

11

12

13

14

15

16

17

18

19

2

20

3
4
5

204

CN200

150

R202

200

203

207

150

R208

AST

EVLC5S02100

VA210

VA202

9

30

31

32

33

34

35

36

37

38

39

4

40

5
6
7
8

16
17
18
19

2

20

21

22

23

24

25

26

27

28

29

3

G1

G2

G3

G4

1

10
11
12
13
14
15

CN201

VA207

VA208

EVLC5S02100

CN202

1
2
3
4

150

R200

202

EVLC5S02100

VA205

VRIO

150

R209

150

150

R203

R206

VRIO

V_28

R210

150

EVLC5S02100

VA206

R211

150

R201

150

R212
NA

A1

A2

A2

A3

A3

A4

A4

B1

C1

B2

C2

C3

B3

C4

B4

GND

B4

OE

B3

B2

VCCA

VCCB

B1

SHP

TXS0104EZXUR

U200

A1

209

VRSIM

208

R204

150

VA204

206

EVLC5S02100

3
4

VA201

EVLC5S02100

201

CN203

1
2

MEGA_DAT0

MEGA_CLK

MEGA_CMD

BT_CLK_REQ

CLK_32K
BT_NRST

SYSCLKEN

MEGA_CLK_28

PWON

MEGA_CMD_28

KBC(0)

MCSI1_BCLK

MCSI1_DIN

MCSI1_SYNC

MCSI1_DOUT

KBC(1)

BT_CLK
BT_CTS

BT_RTS

UART_TXD

BT_RX
BT_TX

KBC(2)

KBC(3)

VBATS

BATT_TEMP

MAIN_KEY_BL_EN

SIM_RST

SIM_CLK

SIM_PWRCTRL

SIM_IO

KBC(2)

KBC(1)
KBC(0)

KBC(3)

PWON

KBR(0)

KBR(1)

KBR(2)

KBR(3)

MIC_ABB_N

MIC_ABB_P

MICBIAS

MEGA_DAT0

MEGA_CLK

MEGA_CMD

MEGA_DAT0_28

KBR(3)

KBR(1)

KBR(2)

KBC(2)

KBC(1)

KBC(0)

KBR(0)

7. CIRCUIT DIAGRAM

ME550d

Summary of Contents for ME550d

Page 1: ...Date June 2007 Issue 1 0 Service Manual Model ME550d Service Manual ME550d ...

Page 2: ...A_6 Y4 AA4 EMIFS_FDATA_7 EMIFS_FDATA_8 V7 W6 EMIFS_FDATA_9 W11 EMIFS_FRDY EMIFS_NFADV R11 V12 EMIFS_NFBE_0 EMIFS_NFBE_1 W12 V9 EMIFS_NFCS_3 EMIFS_NFOE V11 EMIFS_NFRP AA9 R12 EMIFS_NFWE EMIFS_NFWP P12 W21 GPIO_1 GPIO_10 Y16 V10 EMIFS_FADD_22 AA10 EMIFS_FADD_23 EMIFS_FADD_24 W10 P10 EMIFS_FADD_25 Y7 EMIFS_FCLK V5 EMIFS_FDATA_0 EMIFS_FDATA_1 W4 EMIFS_FDATA_10 AA5 EMIFS_FDATA_11 Y5 EMIFS_FDATA_12 V8 W...

Page 3: ...G9 H2 VDD3 M2 IO7 LDQM G3 NC1 B2 NC10 H5 H6 NC11 NC12 J3 NC13 K5 K6 NC14 NC15 K7 K8 NC16 NC17 M5 M6 NC18 NC19 M7 B7 NC2 M8 NC20 NC21 N2 N9 DQ15 DQ2 C3 D4 DQ3 DQ4 D3 E4 DQ5 DQ6 E3 F4 DQ7 J4 DQ8 DQ9 K3 IO0 J5 IO1 L5 J6 IO2 L6 IO3 IO4 J7 IO5 L7 J8 IO6 L8 P10 A9 DNU2 DNU3 A10 B1 DNU4 DNU5 B10 N1 DNU6 DNU7 N10 P1 DNU8 DNU9 P2 B3 DQ0 C4 DQ1 K4 DQ10 DQ11 L3 L4 DQ12 DQ13 M3 M4 DQ14 N3 C9 A3 B8 A4 M9 A5 L9...

Page 4: ... 13 15 U305 ISL8499IRZ T VRIO R333 10K ESD1 A1 A3 ESD2 C1 ESD3 ESD4 C3 GND B2 VBAT CSPESD304G D301 TP301 TP305 75 R31 C311 0 1u 10K R336 R306 100K C301 120p NA R390 100nH L303 VRIO 0 1u R319 20K C316 R335 NA R320 0 2 3 1 R32 75 Q301 2SC5585 G4 33K R330 26 27 28 29 30 17 18 19 20 21 22 23 24 G1 G2 G3 10 11 12 13 14 15 2 3 4 5 6 7 8 9 16 25 CN302 1 5 VCC VRIO VRIO FB302 U306 TC7SH04FS 2 GND 1 4 VCHG...

Page 5: ...4 0 01u NA C426 VRIO 8 2nH R406 NA C432 D9 VCCMIX B3 VCCRFLO A3 VCCRFSYN A7 A5 VCCRFVCO J4 VCCTX1 VCCTX2 J5 VCCTXVCO J6 C9 VCCVCXO A8 VCCVCXOR B8 VCXTCXO VOUTEF1 D8 VOUTEF2 D7 XON B9 A9 XOP G7 STROBE E8 F8 SYSCLK SYSCLKEN J9 TEST1 G6 TXBAND F3 TXMODE G4 H2 TXON J8 TXOUTD TXOUTG J7 H8 VBAT_IN A6 VCCAD VCCBB B6 J3 VCCFEMC A2 VCCLNA E9 VCCLOGIC1 VCCLOGIC2 C7 C5 GNDRFVCO GNDTX2 G5 H6 GNDTXVCOD GNDTXVC...

Page 6: ... LED102 NA R111 LED103 LED105 VBAT C124 100p R118 NA 120 C114 R127 NA R123 120 C108 VLDO_OUT VLDO_OUT 47p LED101 R128 120 R126 C113 NA VBAT 120 C111 10u C102 0 1u 100nH L102 L101 100nH RFIO_OUT NA RFIO_OUT ANA_OUT R115 R121 NA ANT101 VRSIM TP100 R116 24 R130 0 1u 120 KA_OUT C105 XTALP_FAST_CLK_IN C109 27p A3 H8 VDD_IO_SF1 VDD_IO_SF2 B3 G5 VLDO_OUT VSS1 H7 VSS2 A5 B8 VSS3 G8 VSS4 A2 VSS5 H4 VSSA1 V...

Page 7: ... G1 G2 G3 G4 1 10 11 12 13 14 15 CN201 VA207 VA208 EVLC5S02100 CN202 1 2 3 4 150 R200 202 EVLC5S02100 VA205 VRIO 150 R209 150 150 R203 R206 VRIO V_28 R210 150 EVLC5S02100 VA206 R211 150 R201 150 R212 NA A1 A2 A2 A3 A3 A4 A4 B1 C1 B2 C2 C3 B3 C4 B4 GND B4 OE B3 B2 VCCA VCCB B1 SHP TXS0104EZXUR U200 A1 209 VRSIM 208 R204 150 VA204 206 EVLC5S02100 3 4 VA201 EVLC5S02100 201 CN203 1 2 MEGA_DAT0 MEGA_CL...

Page 8: ...ronics Inc NA R103 01 02 2007 K T FLASH RTC Batt MOTOR 14 VRMMC CN100 1 2 3 4 5 6 7 8 9 10 11 12 13 0 1u C102 22p C100 BAT100 100nH R105 VDD VSS 1uF C101 SCHA1B0102 S100 CD_DAT3_CS CLK_SCLK CMD_DI COMMON DAT0_DO DAT1_RSV DAT2_RSV DETECT DUMMY1 DUMMY2 OUT101 OUT100 0 R100 0 R101 0 R102 VRMMC VIBRATOR TF_CLK TF_DAT1 TF_DAT0 R104 100nH VBACKUP VBACKUP TF_DAT2 TF_DAT3 TF_CMD VIBRATOR TF_CMD TF_CLK TF_...

Page 9: ...22 23 24 25 26 27 28 29 CN101 1 10 11 12 13 14 C117 27p NA VCAM_18 R134 0 100K R118 VOUT_FL 3 DP_28 R146 C1 11 12 C1 14 C2 C2 15 2 C3 C3 1 16 EN_FLSH EN_SET 10 9 GND ISINK1 5 ISINK2 6 7 ISINK3 ISINK4 8 PGND 17 4 VIN VOUT_BL 13 AAT2805IXN 4 5 T1 U104 C102 VBAT VCAM_CORE_15 1uF R131 S_UP 330 1uF C108 1uF C106 U101 R1114D281D TR F 6 CE GND1 2 GND2 5 NC 4 1 VDD VOUT 3 TP102 18p C100 VBAT DP_28 VBAT SE...

Page 10: ...1 10 11 12 13 14 15 16 17 18 19 2 20 VRSIM 54 55 56 57 58 59 6 60 7 8 9 G1 G2 4 40 41 42 43 44 45 46 47 48 49 5 50 51 52 53 25 26 27 28 29 3 30 31 32 33 34 35 36 37 38 39 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 CN105 1 2 A GND 3 VCC 5 4 Y _OE 1 VCAM_18 VRSIM VRIO U1 SN74LVC1G125DRLR E_DATA 12 E_DATA 10 E_DATA 8 VBAT CAM_PCLK E_DATA 8 E_DATA 9 E_DATA 10 E_DATA 11 E_DATA 12 E_DATA 13 E_DATA 1...

Page 11: ...Sign Name Designer Checked Approved MODEL SIDEKEY_FPCB 1 1 1 1 ME550c DRAWING NAME DRAWING NO Sheet Sheets LG Electronics Inc LG Electronics Inc CAM PWR SIDEKEY 4 3 2 1 GND PWON KBC 2 KBR 3 CAM PWON 1 2 3 4 GND KB1 CN1 KB2 7 CIRCUIT DIAGRAM ME550d ...

Page 12: ...ame Designer Checked Approved MODEL DRAWING NAME DRAWING NO Sheet Sheets LG Electronics Inc LG Electronics Inc VOLUME SIDEKREY 4 3 2 1 GND KBC 1 SIDEKEY_FPCB 1 0 1 1 ME550c KBR 3 KBC 0 UP UP DOWN DOWN 1 2 3 4 GND KB1 CN1 KB2 7 CIRCUIT DIAGRAM ME550d ...

Page 13: ... 128 8 PCB LAYOUT ME550d ...

Page 14: ... 129 8 PCB LAYOUT ME550d ...

Page 15: ... 130 LGMC 8 PCB LAYOUT ME550d ...

Page 16: ... 131 LGMC 8 PCB LAYOUT ME550d ...

Page 17: ... 132 8 PCB LAYOUT ME550d ...

Page 18: ... 133 8 PCB LAYOUT ME550d ...

Page 19: ... 134 8 PCB LAYOUT ME550d ...

Page 20: ... 135 8 PCB LAYOUT ME550d ...

Page 21: ... 136 8 PCB LAYOUT ME550d ...

Page 22: ... 137 8 PCB LAYOUT ME550d ...

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