LG KB770 Service Manual page 158

7. CIRCUIT DIAGRAM
MEMORY (1Gbit 90n NAND FLASH + 512Mbit SDRAM)
SDRAM_DATA(0:31)
TP300
SDRAM_DATA(0) U4
DQ0
SDRAM_DATA(1) T4
DQ1
T5
SDRAM_DATA(2)
DQ2
SDRAM_DATA(3) V5
DQ3
SDRAM_DATA(4) U5
DQ4
SDRAM_DATA(5) T6
DQ5
SDRAM_DATA(6) V6
DQ6
SDRAM_DATA(7) U7
DQ7
SDRAM_DATA(8) T9
DQ8
SDRAM_DATA(9) T10
DQ9
SDRAM_DATA(10) V10
DQ10
SDRAM_DATA(11) T11
DQ11
SDRAM_DATA(12) U11
DQ12
SDRAM_DATA(13) V11
DQ13
SDRAM_DATA(14) T12
DQ14
SDRAM_DATA(15) U12
DQ15
SDRAM_DATA(16) P3
DQ16
SDRAM_DATA(17) R3
DQ17
SDRAM_DATA(18) P4
DQ18
SDRAM_DATA(19) R4
DQ19
SDRAM_DATA(20) P5
DQ20
SDRAM_DATA(21) R5
DQ21
SDRAM_DATA(22) P6
DQ22
SDRAM_DATA(23) R6
DQ23
SDRAM_DATA(24) P9
DQ24
SDRAM_DATA(25) P10
DQ25
R10
SDRAM_DATA(26)
DQ26
SDRAM_DATA(27) P11
DQ27
SDRAM_DATA(28) R11
DQ28
SDRAM_DATA(29) P12
DQ29
SDRAM_DATA(30) R12
DQ30
SDRAM_DATA(31) R13
DQ31
U8
SDRAM_DQM(0) DQM0
T8
SDRAM_DQM(1) DQM1
V7
SDRAM_DQM(2) DQM2
U9
SDRAM_DQM(3) DQM3
EBI2_DATA(0:15)
M11
EBI2_DATA(0)
IO1
M13
EBI2_DATA(1)
IO2
EBI2_DATA(2) L10
IO3
L12
EBI2_DATA(3)
IO4
J9
EBI2_DATA(4)
IO5
H12
EBI2_DATA(5)
IO6
H10
EBI2_DATA(6)
IO7
G12
EBI2_DATA(7)
IO8
M12
EBI2_DATA(8)
IO9
L9
EBI2_DATA(9)
IO10
L11
EBI2_DATA(10)
IO11
K9
EBI2_DATA(11)
IO12
H13
EBI2_DATA(12)
IO13
H11
EBI2_DATA(13)
IO14
H9
EBI2_DATA(14)
IO15
G11
EBI2_DATA(15)
IO16
A1
NC1
A2
NC2
A3
NC3
A4
NC4
A11
NC5
A12
NC6
A13
NC7
A14
NC8
B1
NC9
B2
NC10
B3
NC11
B4
NC12
B11
NC13
B12
NC14
B13
NC15
B14
NC16
C1
NC17
C2
NC18
C5
NC19
C13
NC20
C14
NC21
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
C3 TP301 SDRAM_ADDR(0)
A0
D3 SDRAM_ADDR(1)
A1
E3
SDRAM_ADDR(2)
A2
E2 SDRAM_ADDR(3)
A3
D12 SDRAM_ADDR(4)
A4
C12 SDRAM_ADDR(5)
A5
D11 SDRAM_ADDR(6)
A6
C11 SDRAM_ADDR(7)
A7
D10 SDRAM_ADDR(8)
A8
C10 SDRAM_ADDR(9)
A9
E4 SDRAM_ADDR(10)
A10
D9 SDRAM_ADDR(11)
A11
C9 SDRAM_ADDR(12)
A12
L6
_WP
K6
_WEN
D5
_RAS
D6
_WED
E6
_CAS
C8
CLK
E5
_CS1
D7
NC124
M3
ALE
M4
CLE
M9
_CE
M10
_RE
M2
RY__BY
D8
CKE
C4
BA0
D4
BA1
C7
VCCD1
D2
VCCD2
D13
VCCD3
V3
U302 VCCD4
V8
VCCD5
V12
TYA000B800COGG
VCCD6
V4
VCCQD1
V9
VCCQD2
K12
VCCN2
C6
VSS1
F7
VSS2
G2
VSS3
G13
VSS4
L13
VSS5
P2
VSS6
P13
VSS7
R8
VSS8
U2
VSS9
U6
VSS10
U10
VSS11
U13
VSS12
J12
NC63
J13
NC64
K1
NC65
K2
NC66
K3
NC67
K4
NC68
K5
NC69
K10
NC70
K11
NC71
K13
NC72
K14
NC73
L1
NC74
L2
NC75
L3
NC76
L4
NC77
L5
NC78
L14
NC79
M5
NC80
M6
NC81
N2
NC82
AUDIO CODEC LDO
+VPWR
C329 2.2u
AUDIO_LDO_EN
- 159 -
Select RCV / SPK
U300
NLAS5223BMNR2G
GND NC1
6 5
SDRAM_ADDR(0:12)
R301 10
RCV- NC2 IN1
VREG_MSMP_2.7V 7 4
IN2 COM1
8 3
COM2 NO1
9 2
AMP_SPK- NO2 VCC
10 1
SPK_SW_ON
RESOUT_EBI2_N
EBI2_WE_N
SDRAM_RAS_N
SDRAM_WE_N
SDRAM_CAS_N
SDRAM_CLK
SDRAM_CS_N(0)
NAND_ALE
NAND_CLE
NAND_CS_N
DVB-H AUDIO CODEC
EBI2_OE_N
NAND_READY
TP302
SDRAM_CLK_EN
VREG_WM_2.7V +VPWR
SDRAM_ADDR(13)
SDRAM_ADDR(14)
VREG_MSME_1.8V
VREG_MSMP_2.7V
MCLK
BCLK
DA_OUT
LRCK
C323 1u
HPL_L
C324 1u
C325 R306
AMP_N
12n
C326 1u
C327 R307
AMP_P
12n
C328 1u
HPL_R
CODEC_I2C_SCL
CODEC_I2C_SDA
I2C I/F From MSM
VREG_WM_2.7V
+3.0V_AUDIO
Keep LDO on, always!!!
U303
1 3
VDD VOUT
4 2
NC GND1
6 5
CE GND2
R1114D301D-TR-F
R300 10
RCV+
L300
SPK300
68nH
AMP_SPK+
C301
+VPWR
C300
39p
0.1u
L301
SPK301
68nH
Rev C
+3.0V_AUDIO
C307
2.2u 2.2u
2.2u
U301 WM8959
A6 B3
AVDD HPGND
A5 A3
HPVDD AGND
B2 E6
SPKVDD DGND
F6 B1
C318 C319
DCVDD SPKGND
G6
DBVDD
0.1u 10u
F5
MCLK
G5 C3
BCLK VMID
0.1u
F4 A2 C322
DNC MICBIAS
F3
DACDAT
G4
DACLRC
E4
GPIO1
D1
LOP
G2 C2
GPIO3_BCLK2 LON
G3
GPIO4_DACLRC2
G1
GPIO5_DACDAT2
D3
LIN1
C5 B4
LIN2 LOUT HPL_LC
B5
ROUT HPL_RC
18K C6
LIN3_GPI7
B6
LIN4_RXN
A4
OUT3
18K D5 C4
RIN3_GPI8 OUT4
E5
RIN4_RXP
D4
RIN1
D6 A1
RIN2 SPKP AMP_SPK+
C1
SPKN AMP_SPK-
F2
CSB_ADDR
F1
SCLK
E3 E1
SDIN ROP
D2
RON
E2
MODE
LGE Internal Use Only