LG MG810c, Руководство по обслуживанию

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2) MIDI IC(YMU783)
The MIDI IC(YMU783, YAMAHA) has three main functions. The first function is MIDI ring-tone
generation. The second function is a digital-to-analog conversion of decoded MP3/AAC data from
MAP(CL8237S4, CoreLogic). The third fucntion is a analog mixing and amplifying of voice signal from
ABB(TWL3016, TI)
3. H/W Circuit Description
- 26 -
NA
VDDPLL
B13
VDDS
B2 B5
VDDSD
H1
VDDUSB
VSS0
E7
VSS1
G5
VSS2
K6 L8
VSS3
VSSPLL
B14 D6
VSSQ
XCTS0
A11
XRTS0
D10
X_IN
C14
X_OUT
C13
R211
L13
TMS
TRST
N10
T_OUT
L9
T_VREF
K9
K10
T_VRO
H4
USBDM
H2
USBDP
P14
VDDAC
E6
VDDC0 VDDC1
H5
VDDC2
K7 L7
VDDC3
E8
VDDI0 VDDI1
K8
VDDI2
L6
VDDLCD
J5
N_RE_N
N6
P9
N_WE_N
L11
RTCK
B7
SD_D0
SD_D1
A7
SD_D2
B6
A6
SD_D3
SD_D4
E5
SD_D5
D5
SIN0
E10
SOUT0
D11
STROBE
A3
L14
TCK
TDI
P11
L10
TDO
N11
TESTMODE
M_SD13
F13
F14
M_SD14
E14
M_SD15
J14
M_SD2
M_SD3
J11
J10
M_SD4
M_SD5
H11
H14
M_SD6
M_SD7
H13
H10
M_SD8
M_SD9
G13
M_WR_N
A12
N8
N_ALE
P8
N_CLE
N_CS_N
N9
N_RDY
P10
N4
L_WR_N
MS_CS_N
A13
M_ADS
D14
B11
M_CS_N
B12
M_HOLD
F11
M_INTR
M_RD_N
A14
F10
M_RESET_N
M_SA0
E13
D13
M_SA1
E11
M_SA2
M_SD0
K11
J13
M_SD1
G14
M_SD10
G11
M_SD11
M_SD12
G10
K4
L_DA12 L_DA13
L1
L_DA14
L2 J4
L_DA15
K2
L_DA16 L_DA17
K1
L_DA2
P3 P2
L_DA3 L_DA4
P1
L_DA5
N2 N1
L_DA6 L_DA7
L5 L4
L_DA8 L_DA9
M2 P5
L_PCLK
N5
L_RD_N
E_D3
B9
D9
E_D4
E9
E_D5
E_D6
A10
B10
E_D7
E_D8
B3
A4
E_D9
P7
GPIO1_D0 GPIO1_D1
N7
LS_CS_N
P6
J1
L_ADS L_CS_N
J2
P4
L_DA0 L_DA1
N3 M1
L_DA10 L_DA11
K5
N13
D_BCK
M13
D_LRCK
D_MSCK
N12
D_SCK
P13
D_SDA
P12
N14
D_SDATAIN
M14
D_SDATAOUT
E_D0
D7
D8
E_D1
E_D10
B4
D4
E_D11
E_D12
E4
A5
E_D13
B8
E_D14
E_D15
A8
A9
E_D2
F4
C_D0 C_D1
E2
C_D2
D1 G4
C_D3 C_D4
F2 E1
C_D5 C_D6
G2 F1
C_D7
C_HS
A1 C2
C_MSCK
C_PCLK
F5
C_PWDN
G1
C_RST
A2
C_SCK
D2 C1
C_SDA
B1
C_VS
CL8524SN
U202
AVDDTV
K14 K13
AVSSTV
0
R209
L_RD
C218
15p
4.7K
R338 R337
4.7K
V_IO
NA
R203
R208
0
TP207
R324 100K
1000p
C311
NA
R322
1M
R207
V_IO
C206
V_USB
1u 1u
C210 C208
1u C204
1u
10K
R331
47p 47p
C209 C207
R334
10K 10K
R332
L_WR
2V8_CAM 2V8_MAP
TP201
R326
0
TP206
1V5_MAP
L_CS
V_IO
R330
10K
R333
10K
1V5_MAP
C217
15p
47p
C201
L_ADS
R323
100
R204
NA
R328
10K
47p
C205
R205
10K
1u
3 4
C202
27MHz
X201 FA-238_27MHz_9PF
1 2
C203
47p
10K
R329
L_DATA(16)
LCD_ID
TCH_RST
C_SDA
C_SCK
A(3)
A(8)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(8)
D(9)
_WR
NAND_ALE
NAND_CLE
NAND_CE
NAND_RnB
NAND_RE
NAND_WE
MAP_USB_N
MAP_USB_P
L_DATA(5)
L_DATA(6)
L_DATA(7)
L_DATA(8)
L_DATA(9)
L_RD
L_WR
LCD_CS
MAP_HOLD
MAP_INT
_RD MAP_RESET
A(1)
A(2)
D(0)
D(1)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
NAND_D(3)
NAND_D(4)
NAND_D(5)
NAND_D(6)
NAND_D(7)
L_ADS
L_CS
L_DATA(0)
L_DATA(1)
L_DATA(10)
L_DATA(11)
L_DATA(12)
L_DATA(13)
L_DATA(14)
L_DATA(15)
L_DATA(17)
L_DATA(2)
L_DATA(3)
L_DATA(4)
C_DATA(0)
C_DATA(1)
C_DATA(2)
C_DATA(3)
C_DATA(4)
C_DATA(5)
C_DATA(6)
C_DATA(7)
C_HS
C_MCLK
C_PCLK
C_RST
C_VS
I2S_SCK
I2S_WS
I2S_SDO
NAND_D(0)
NAND_D(1)
NAND_D(2)
Figure 11. CL8237S4 circuits