Read Sharp LC-40LE831E (serv.man19) Service Manual online
LC-40/46LE830E, RU/831E, S
8 – 6
[6] SYSTEM BLOCK DIAGRAM (LC-40/46LE831E, S)
1
2
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9
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C
D
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F
G
H
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IC3303
IXD220WJQZ
MT5395(FHD)
H.264 / VC-1
Digital AV decode & Main CPU
ORESET#
SPI_FLASH
/NAND
Flash
LVDS
OUT
USB_D0
Audio in
DTV/SPDIF
I2C_1(CPU_OS_CLK1/DAT1
)
CPU_UATXD0_RS
RGB in
SW_TMDS
CVBS
I2C_0(CPU_OS_CLK0/DAT0
)
MAIN
CPU_ATV_IF+
IC2703
SP AMP(2CH)
YDA164
HP/MONI_L/R
I2S(SDATA/LRCLK/BC
Disclete
Mute
Q506
PC/HDMI_LR
RGB/HDMI
Audio
(Mini Plug)
[SP]
P2701(5P)
SPEAKER
OPTICALOUT
D527
OPT_OUT
AUDIO_MUTE
27.000MH
X3301
X'tal
PC(RGB)
SC501
RF IN
UART_CPUTO232C,UART_232CTOCPU
J9502
USB1
IC506
RS232C TxRx
M3221EIP
RS-232C
SC504
Bu+3.3
No.9 pin RC Passthrough
IC8455
EEPROM
+3.3
HDMI 1
(ARC)
SC1503
PC/HDMI2
J501
D-SUB
RGB
Audio out
IC3501
DDR3(1333M)
2Gbit
I2C_0
COMP1_IN_L/R
U5V
IC9502
PowerSW
AP2151
OFL1
CPU_OPWM1
IC8401
NAND
FLASH
+3.3V
+3.3V
+1.5V
+1.2V
+1.1V
+1.5V
+1.2V
+1.1V
RGB HV
IC1504
HDMI-SW
SII9387
DDC_3
HDMI_3
HDMI_3
DDC_4
HDMI_4
HDMI_4
+3.3V
HP Jack
AUDIO OUT
(Mini Plug)
J504
CPU_OPWM2
HDMI_CEC
IC3502
DDR3(1333M)
2Gbit
Component
COMP1_Y/Pb/Pr
HDMI 2
SC1502
HDMI 3
SC1501
HDMI 4
SC1505
DDC_2
HDMI_2
HDMI_2
DDC_1
HDMI_1
HDMI_1
CPU_DATMDI_RJ45_
TP/TN
CPU_DATMDI_RJ45_
N_TUN_RST
SDIOCMD/SDIOCLK
SDI0~3
IC2701
DSP
(YSS951)
I2C_0 (400KHz)
IC2702
Woofer AMP(0.1CH)
YDA164
AMP_DATA_LR
AMP_DATA_SW
AMP_LRCK/BCLK/MCLK
[SB]
P2702(2P)
Woofer
+3.3
+1.8
+13V
+13V
J9503
USB3
IC9504
PowerSW
AP2141
USB_D1
J9501
Ethernet
CPU_UATXD1_UCOM
+5V
+5V
N_KEY_
+5
RC,OPC
PNL_PO
AC_DET
PC/HDMI_LR
COMP1_IN_L/R
PC_VSYNC/HSYNC
PC_R/G/B
PC_R/G/B
PC_VSYNC/HSYNC
PC_R/G/B
OPT_OUT
MONI_HP_L/
SIF
(400KHz 3.3V)
Bu+3.3
24.576MH
X2701 Xtal
+5V
(100KHz 3.3V)
I2C_1
PNL_I2C_EN
UR13
I2C_1(100KHz)
PNL_I2C_EN
HPOUT_MUTE
SC8454
MicroSD Connector
TOSHIBA
64Gbit MicroSD
+1.2V
N_PER_RST
AMP_PROTECT
SP_MUTE
IC503
AUDIO_MUTE
J9504
USB2
IC9503
PowerSW
AP2181
+5V
IC9505
USB2.0 Hub
Controller
PD720114
PD720114
X9502
Xtal
30MHz
1.5A
0.5A
0.5A
SIF
TS_TOUT_CLK/SYNC/VAL/D0-D7
N_TUN_SAT_RST
LR
Component
CVBS
LR
CVBS1_IN
CVBS1_IN_L/R
CVBS1_IN_L/R
EXT2/3
J511
AUDIO_MUTE
SCART
SC505
SC/Y_CVBS2_IN
RED1/C1,GREEN1,BLUE1
SC1_IN_L/R
SC1_V_OUT
TUNER_L/R_OUT
Disclete
Mute
Q502
SLOWSW1,SC1FSW
IC510
CAPLESS
VIDEO AMP
with LPF
NJW1351B
IC507
Select
Select
MM1507XN
+5
+5V
CVBS_Out
AMP_HOP
TUNER_OUTL/R
N_PER_RST
AMP_PROTECT
AMP_PROTECT
IC2706
OpAMP
NJM4565V
+13V
IC2704
HP-AMP
AK4201EU
+5V
ILL_LED1/2/3
CVBS
CI Card
IC4402
CI Cont &
DTB-T/C Demod
MT5135AE
CI_CE1/OE/WE/A0-A14/D0-D7
/IREQ/REG/WAIT/RESET
/IOWR/IORD/VS1/CD1/CD2
/IREQ/REG/WAIT/RESET
/IOWR/IORD/VS1/CD1/CD2
TS_CIOUT_CLK/SYNC/VAL/D0-D7
TS_CIIN_CLK/SYNC/VAL/D0-D7
TU_SCL/SD
MT5135_I
X4401 Xtal
27MHz
DVBTS_CPUIN_CLK/SYNC/VAL/D0
DVB_SPI_CLE/CLK/DATA
DEMOD_RST
DEMOD_TSCLK/SYNC/VAL/DATA0
+5V
+3.3
+1.2
+1.2
+1.1
TUN_GAIN_SW
N_TUN_RST
N_TUN_SAT_
TUN_GAIN_SW
OFL2
I2C_1 (100KHz)
AUDIO_MUTE
+1.5V
+5V
HDMI_CEC
IC2003
Buffer
LCX125FT
HDMI_CEC
HDMI_CEC_
IC2001
R8C/36C
IXD241WJ
SUB MCU
SRESE
FL2001
Xtal
20MHz
UART
UCOM_RST
IC2002
Reset
PM_RE
N_SRESET
I2C
32.768kHz
X2001
Xtal
SMPOW
SMPOWHOLD
EXT_SMPOWHOLD
MUTE_A_ALL
HDMI_CEC_IN
HDMI_CEC_OUT
UCOM_MODE
MODE
RESET
CPU_TXD_UCOM,CPU_RXD_UCOM
N_SRESET
N_CPU_RST
SMPOWHOLD
CPU_UARXD0_RS
CPU_UARXD1_UCOM
IC8451
Buffer
+3.3
IC8452-3
Select
RC,OPC
RC
RC_CPU
0
1
GN
I2C
TOUCH KEY
3D IR
KEY_SCL,KEY_S
RC,OPC
STB_C
RC
IR_PASS
AMP_MUTE
N_PER_RST
N_USB_RST
CI_SPI_CLE/CLK/DAT
A
CVBS_OUT_MU
VGA_SDA/SCL/PWR5V
IC8452-1
Select
IC8452-2
Select
1
0
1
0
IC2004
HDMI_
OPT_OUT
OPT_OUT
SW_TMDS
IC8454 D8457
SMPOWHOLD
Q2005
LED
TOUCH_RESET
Q2011
LR_PUL
LR_PULSE
Q505
D2711
Q2703
D2701
Q2701
SP_MUTE
HP_MUTE
HP_MUTE
Q2004
Q2002
Bu+3.3
N_MUTE_A_ALL
UCOM
LNB_SHORT
ANT+5
V
V
ANT+5V_SW
CPU
AC_DET_CPU
PM_RE
CPU
+3.3
N_CPU_USB1_FLG
PNL_PO
PNL_I2C_EN
HDMI_OPT_
[RC] P2001(15p)
[TK]
(12p)
[IR] (3p)
Q1103
OR
OR
OR
EXT 1
SC505
TU1104
T2 -Tuner
Q2001
+3.3
+2.5
+1.2
+2.5
+1.2
PS_ON
BU5V
AC_DET
POWER CIRCUIT
MAIN
D5.6V
D5V
U5V
D3.3V
M1.8V
D1.5V
D1.2V
D1.1V
AT5V
D5V
U5V
D3.3V
M1.8V
D1.5V
D1.2V
D1.1V
AT5V
T2+2.5V
TE+1.2V
STB3.3V
SD3.3V
CPU_A+1.2V
CIIN+5V
MT5135+1.1
SD3.3V
CPU_A+1.2V
CIIN+5V
MT5135+1.1
BackUp
UR13V
PE
PNL_POW
AMP13V
IC2601
Spliter
HC2G66
I2C_0 (400KHz)
VON
PNL_W
PNL_
IC9611
Spliter
HC2G66DP
L/R_REF
+3.3V
+3.3
VSYNC
PANEL_
IC9610
Spliter
HC2G66
+3.3
PWM2
Thermister
TH2001
IC2001
R8C/36C
IXD241WJ
SUB MCU
LAMP_E
AC_DET
THERMO
STB
EEPROM_SCL/SDA
IC2005
EEPROM
DET_PNL12V
W_PROT
PS_
OR
R/C
EMBLEM
R/C
OPC
[CI] P2007(3p)
[RA] (5p)
[CI] (3p)
ROM_WP
VCOM_WP
PE
IR_VSYNC
VSYNC(GSP)
GSP
I2C_READY
DET_POW
D2005 Q2007
[PD]
POWER
P9602(24p)
PS_ON
Q9605
+3.3
Bu+3.3V
IC2007
L/R_REF
AC_DET
ERROR
LVDS OUT
OFL
OFL1
[LW]
P2601
(41p)
(41p)
TCON_
SDA/SCL
SDA/SCL
I2C_READ
GSP/PWM1
Q2603
NC/PWM2
PWM2
NC/DIMMER
STB
[PL]
POWER
P2605(4p)
P2605(4p)
PNL+12V
PNL_POW
ILL_LED1/3
RC,OPC
Bu+3.3
[RA]
(5p)
SDA/SCL
T-CON
PWM2
PWM
ERROR
PWM
ERROR
DIMMER
OFL1
IR_VSYNC
PWM1
DET_POW
L/R_REF
PWM2
I2C_READ
ROM_WP
VCOM_WP
PE
SDA/SCL
Power/
LED_Drive
STB
PS_ON
AC_DET
PNL_POW
