- 103 -
7. CIRCUIT DIAGRAM
9
4
MEMORY
5
1
Notice No.
Iss.
C
USC4
A
8
USC0
03.20
RTS/CTS(PC)
KEY BACKLIGHT
2005
Designer
I/O CONNECTOR
PIN
D
NO.
USC1
03.20
NAME
1
2012,1%
2005
Date
LG Electronics Inc.
Checked
KIM H.J.
-
UART
D
EUSY0250201
(M36L0T7050T0)
Sign & Name
DRAWING
C
E
-
DAI
4
DRAWING
Date
6
LG Electronics Inc.
Approved
A
2
3
PRECHARGE CIRCUIT
KEY
Name
RESET
TX
MODEL
CLOCK
MEMORY, MMI, I/O
Ver.1.1
3/5
B2070
5
Sheet/Sheets
-
2005
Section
TXD
10
RX
CTS/RTS(PC)
KIM B.Y.
2012
2
RXD
7
3
B
LGIC(42)-A-5505-10:01
(128 + 32PSRAM)
USC5
03.20
USC2
VIBRATOR
SIM CONNECTOR
USC6
-
LEE S.Y.
A
6
31
4
CLR
VBAT
Q301
IMX9T110
2
5
SP313
47
R325
27p
VCHARGE
R328
2V8_VMEM
C304
NA
C326
LEBB-S14H
1u
LD305
1u
C303
R356
47K
0.01u
C302
R355
SP300
1.5K
47
R320
47
R348
10u
C329
END
2V8_VMEM
9
NA
C314
SP301
1u
C328
SP315
SP310
SP316
C330
1u
VA300
1u
220n
C315
100K
R305
47
R345
VBAT
47
R347
R346
47
AVL5M02-200
VA301
2V85_VSIM
2
SHARP
R315
1.5K
R319
47
10K
R357
VA308
AVLC14S02050
3p
VBAT
C307
C327
0.1u
SEL
27p
C311
R349
47
R316
100
OUT
R318
NA
U401
MIC5255-2.85BM5
4
BYP
EN
3
GND
2
1
IN
5
R330
680
1u
C319
1V8_VCORE
8
SP317
2V85_VSIM
RIGHT
LD300
SP306
LEBB-S14H
SP303
0.1u
C325
47
R331
2SC5585
Q401
2
3
1
C308
0.1u
100K
R304
680
R340
680
R335
0.1u
0
VCHARGE
VBAT
C324
SEND
1
AVLC14S02050
VA309
R339
680
R341
680
R308
100K
AVLC14S02050
VA303
VA302
AVLC14S02050
R301
10K
SP309
SP304
AVLC14S02050
VA307
R334
1K
C313
10u
C312
1u
4.7u
C300
R358
10K
STAR
R323
47
R344
47
1000p
C350
27p
680
R310
SP307
C309
SP314
SP320
47
R321
R329
47
NA
R322
NA
R314
SP312
LD304
LEBB-S14H
15
R352
1u
R327
C321
47
R338
0
1u
C310
NA
R311
4
2V8_VMEM
LEBB-S14H
LD302
VA304
AVLC14S02050
47
R313
LD306
R359
20
NA
R332
R333
NA
C306
10p
1u
C318
C322
R343
680
VA306
AVLC14S02050
1u
8
9
5
21
22
23
24
25
26
27
28
29
3
30
4
5
6
7
1
10
11
12
13
14
15
16
17
18
19
2
20
UP
CN300
1K
R353
1u
C323
R399
51K
LEBB-S14H
LD303
AVLC14S02050
VA311
SP318
SP308
R336
20K
SP302
AVLC14S02050
VA305
AVLC14S02050
VA330
6
LEBB-S14H
LD301
SP311
680
R342
R337
0
C320
1u
R350
820
3
VA310
AVLC14S02050
R326
47
VBAT
VBAT
R370
100
R309
680
SP305
7
CN301
1
2
C316
K1
_CE1
G8
_CE2
_CE3
K3
_OE1
J2
H8
_OE2
_P1_CS
D6
_P2_CS
K2
F4
_RST
_R_LB
C2
_R_OE
H1
F3
_R_UB
_R_WE
D5
_S_CS1
J1
F5
_WE
_WP
E4
1000p
B6
VCC21
VCC22
K6
VCCQ1
J8
VCCQ2
K7
VCCQ3
L3
VPP
D4
B4
VSS1
C4
VSS2
L1
VSS3
VSS4
L2
VSS5
L5
VSS6
L6
L7
VSS7
L8
VSS8
WAIT
G7
E5
_ADV
D8
G2
J3
D9
A1
NC1
A2
NC2
NC3
A7
A8
NC4
M1
NC6
M2
NC7
NC8
M7
NC9
M8
K8
P_MODE
P_VCC
K5
C5
S_CS2
K4
S_VCC
VCC11
B5
L4
VCC12
D7
A9
C6
CLK
H2
D0
H3
D1
G4
D10
J4
D11
D12
H5
D13
G6
D14
H6
J7
D15
G3
D2
D3
H4
D4
J5
D5
G5
D6
J6
D7
H7
A17
D2
A18
B2
A19
B3
E1
A2
A20
E6
B7
A21
C7
A22
C3
A23
A24
D3
E3
A25
A3
D1
A4
B1
A5
C1
F2
A6
E2
A7
F6
A8
A0
G1
A1
F1
E7
A10
B8
A11
C8
A12
D8
A13
F7
A14
A15
E8
A16
F8
AVLC14S02050
VA331
RD38F3050L0ZBQ0
U300
MENU
1SS352
D300
C317
NA
100K
R306
SP319
DOWN
LEFT
100K
R307
C301
1u
39p
C305
R312
NA
4
7
GND2
GND3
8
9
GND4
GND5
10
6
IO
2
RST
VCC
1
VPP
5
R317
680
J300
CLK
3
GND1
680
R324
_RD
_LBS
_RD
_ROM_CS2
_ROM_CS1
_ADV
_WAIT
_WR
DATA09
DATA08
DATA07
DATA06
DATA05
DATA04
DATA03
DATA02
DATA15
DATA14
DATA13
DATA12
DATA11
DATA10
DATA01
DATA00
BURSTCLK
_RESET
_F_WP
_WR
_UBS
_RAM_CS
JTAGEN
TMS
TCK
USC2
TDI
TDO_1
_RESET
BATT_EPROM
PRECHARGE
MIDI_VIBRATOR
BATT_TEMP
MIDI_KEY_BL2
MIDI_KEY_BL1
SIM_DATA
USC1
USC0
DSR
USC3
DEBUG_RX
RPWRON
USC4
DEBUG_TX
USC6
USC5
KEY_COL4
KEY_ROW1
KEY_COL3
KEY_ROW2
KEY_ROW3
KEY_ROW4
KEY_COL2
KEY_COL1
KEY_COL0
KEY_ROW0
POWERKEY
SIM_RST
SIM_CLK
ADD01
ADD02
ADD11
ADD12
ADD13
ADD14
ADD15
ADD16
ADD17
ADD18
ADD19
ADD20
ADD03
ADD21
ADD22
ADD04
ADD05
ADD06
ADD07
ADD08
ADD09
ADD10
ADD23
Содержание B2070
Страница 54: ... 53 4 TROUBLE SHOOTING 4 2 TX Trouble TEST POINT 13Mhz OSCILLATOR Mobile SW FEM TRANCEIVER LDO PAM ...
Страница 68: ... 67 4 TROUBLE SHOOTING TEST POINT 4 6 LCD Trouble ...
Страница 72: ... 71 4 TROUBLE SHOOTING TEST POINT 4 8 Speaker Trouble ...
Страница 79: ... 78 4 TROUBLE SHOOTING 4 11 KEY backlight Trouble TEST POINT ...
Страница 96: ...6 Press Start and Pover on the phone using JIG remote Power on Switch 1 5 DOWNLOAD AND CALIBRATION 95 ...
Страница 107: ... 106 8 PCB LAYOUT Figure 8 1 B2070 BOTTOM SIDE PCB LAYOUT ...
Страница 108: ... 107 8 PCB LAYOUT Figure 8 1 B2070 TOP SIDE PCB LAYOUT ...
Страница 109: ... 108 ...
Страница 117: ...10 STAND ALONE TEST 116 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 121: ... 120 ...
Страница 123: ... 122 ...