LG CG225 Service Manual page 105

7. CIRCUIT DIAGRAM
1
B/L LED DRIVER
A
LCD_DIMCTRL1
B
BATT CONN
VBAT
C412 C413 C414
47p 0.1u 4.7u
C
Case component
DATA IO CONN
VBAT
D
VCHG
E
TP1 TP2
1
LGIC(42)-A-5505-10:01
2 3 4
VBAT
U401
10 4
IN C1+
C415
1u
C416
C417
2 3
0.1u
2.2u OUT C1-
1
C2+
C418
R421
9
1u
EN_SET 47K
R422 0 12
C2-
8
D1 BLLED1
7 R412 56
R410 C430 C420
D2 BLLED2
6 R420 56
47K 2.2u 2.2u D3
11 5
GND NC
AAT3120ITP-20-T1
SIM CONNECTOR
close to VPP/VCC pin
V_SIM
C419
47p
CN403
R411 C421
4 1 0.1u
CN402
GND1 VCC
10K
1 5 2
R405 VPP RST
2 6 3
BATT_TEMP
SIM_IO IO CLK
3 10 7
20K
GND5 GND2
R406
9 8
C422 C423 GND4 GND3
33K
22p 0.1u
V_IO V_IO
RA401
10K
CN404
R408
10K
26
25
24 RA402 47
23 1 2
22 3 4
21 5 6
20 7 8
19
18
17
16
15 RA403 47
14 1 2
13 3 4
12 5 6
11 7 8
10
R413
9
8
1K
RA404 NA
7
6 1 2
5 3 4
4 5 6
3 7 8
2
1
R414 NA
R415 NA
R416 NA
R417 NA
C425 0.1u
C426
R418 R419
C427 C428
10p
10p 100p 220K 220K C429 47p
2 3 4
5 6
LCD CONN
100ohm/15pF/18V
FL401 ICVE31186E150R101FR
1 13
L_D(0) INOUT_A1 INOUT_B1
2 12
L_D(1) INOUT_A2 INOUT_B2
3 11
L_D(2)
INOUT_A3 INOUT_B3
4 10
L_D(3)
INOUT_A4 INOUT_B4
5 9
L_D(4)
INOUT_A5 INOUT_B5
6 8
L_D(5)
INOUT_A6 INOUT_B6
FL403 ICVE31186E150R101FR
1 13
L_D(6) INOUT_A1 INOUT_B1
2 12
L_D(7) INOUT_A2 INOUT_B2
3 11
L_WR INOUT_A3 INOUT_B3
4 10
L_A(1) INOUT_A4 INOUT_B4
5 9
L_MAIN_CS
INOUT_A5 INOUT_B5
6 8
L_SUB_CS
INOUT_A6 INOUT_B6
LCD_RESET
R401 100
LCD_ID
R402 10K
IFMODE
R403 100
C406 R404
2V85_CAM
47p 100K
C_PWR_DVDD
VIB
SIM_RST
C_PWR_AVDD
SIM_CLK
C424
150p C_PWDN
FL405 ICVE31186E150R101FR
1 13
C_MCLK INOUT_A1 INOUT_B1
2 12
C_PCLK INOUT_A2 INOUT_B2
3 11
C_HS
INOUT_A3 INOUT_B3
4 10
C_VS
INOUT_A4 INOUT_B4
5 9
C_SDA
INOUT_A5 INOUT_B5
6 8
C_SCK INOUT_A6 INOUT_B6
CTS
RTS
TX
TXD
RXD
RX
DSR
HANDSFREE
RPWON
TDO_ARM
TMS
TCK
TDI
PCM_TX
PCM_SYNC
PCM_CLK
PCM_RX
AUXOP
AUXON
AUXI
Iss. Notice No. Date Name
5
- 104 -
7 8 9
CN401
G1 G2
1 60
FL402 ICVE31186E150R101FR
2 59 1 13
INOUT_A1 INOUT_B1
2 12
INOUT_A2 INOUT_B2
3 58
3 11
INOUT_A3 INOUT_B3
4 10
INOUT_A4 INOUT_B4
4 57 5 9
INOUT_A5 INOUT_B5
6 8
INOUT_A6 INOUT_B6
5 56
6 55
7 54
8 53
9 52
10 51
11 50
BLLED1
12 49
BLLED2
13 48
14 47
15 46
C401
15p L401 100nH
16 45
17 44
L402 100nH
C403
C402
18 43 47p
15p
19 42
20 41
VBACKUP
FL404 ICVE31186E150R101FR
21 40 1 13
INOUT_A1 INOUT_B1
2 12
INOUT_A2 INOUT_B2
22 39 3 11
INOUT_A3 INOUT_B3
4 10
INOUT_A4 INOUT_B4
23 38 5 9
INOUT_A5 INOUT_B5
6 8
INOUT_A6 INOUT_B6
24 37
25 36
FL406 ICVE31186E150R101FR
26 35
1 13
INOUT_A1 INOUT_B1
2 12
INOUT_A2 INOUT_B2
27 34 3 11
INOUT_A3 INOUT_B3
4 10
INOUT_A4 INOUT_B4
28 33 5 9
INOUT_A5 INOUT_B5
6 8
INOUT_A6 INOUT_B6
29 32
30 31
C409
1u
G3 G4
Section Date Sign & Name
MODEL
060210 G.C. LIM
Designer
J.W.LEE
Checked
DRAWING
CONN.(LCD/SIM/IO)
NAME
Approved H.KANG
DRAWING
LG Electronics Inc.
NO.
10
A
L_D(8)
L_D(9)
L_D(10)
L_D(11)
L_D(12)
L_D(13)
B
SPK_RCV_N
SPK_RCV_P
L_D(14)
L_D(15)
C_CD0
C_CD1 C
C_CD2
C_CD3
C_CD4
C_CD5
C_CD6
C_CD7
C_RST
D
Sheet/
Sheets
CG225
4/5
REV_1.0
LG Electronics Inc.