Sharp LC-40LE820E, Service Manual

Page: 78 / 158

LC-40/46/52LE820E, LC-40/46LU820E
9 – 4
[4] SYSTEM BLOCK DIAGRAM
1 2 3 10 9 7 6 5 4 8
J
A
B
C
D
E
F
G
H
I
13 11 19 18 16 15 14 12 17
SYSTEM BLOCK DIAGRAM
IC3302
MT5391W(FHD)
H.264 / CI+
Digital AV decode & Main CPU
N_CPU_RST
SPI_FLASH
LVDS
OUT
USB_0
D_IF IN-/+
Audio in
DTV/SPDIF
I2C_1
RESET
CPU_UARXD0_RS CPU_UATXD0_RS
AGC
RGB/Component in
DDC_I2C_1
HDMI_1
CVBS
I2C_0
MAIN
SIF
SPDIF
Thermister
KEY_POW,KEY_SCL,KEY_SDA
RGB
ILL_CTRL1
IC2002
M16C/64A
IXC786WJ
SUB MCU
ERR_PNL
AC_DET
THERMO
A/D
RC,OPC
CVBS
IF_AGC
EXT1
(SCART1)
IC2703
SP AMP(2CH)
VHIYDA164QZ
HP/MONI_L/R
I2S(DATA/LRCK/BCLK)
RGB_LR_IN
RGB/HDMI
Audio
(Mini Plug)
[SP]
P2701
EXT-SP
SPEAKER
RGB_L/R
OPTICAL
OUT
OPT_OUT
Mute
27.000MHz
X3302
X'tal
X2002
Xtal
20MHz
I2C_0 (400KHz)
EXT3
Comp/RGB
RF IN
TU1101
Analog/
Digital
Tuner
I2C
+5V
TxD/RxD
STB
TUNER_I2C
(400KHz 3.3V)
J3301
USB
IC506
RS232C TxRx
M3221EIP
RS-232C
+3.3V
No.9 pin RC Passthrough
DET_PNL12V
IC501
EEPROM
BU+3.3V
CVBS
IC8455
EEPROM
64kbit
+3.3V
SIF
EXT2
L/R
SCART_L/R
HDMI 1
EXT3/HDMI2
[RA] P102
(5p)
R/C
D-SUB
RGB
/Component
MENU/POWER
INPUT/CHANNEL
VOLUME
KEY
Audio out
IC3501
DDR2(1066M)
1Gbit
CPU_UARXD2_UCOM CPU_UATXD2_UCOM
IC1106
Demodulator
DVB-C
STV0297E
+3.3V +1.2V
X1101
Xtal
27.000MHz
I2C_0 (400KHz)
CVBS/LR
RGB
TUNER_OUT
LR_OUT
FS/FB
CVBS/LR
CVBS
CVBS_L/R
CVBS_L/R
RGB
D_IF_IN-/+
CARD
INTERFACE
CI-CPU_IN
DAC
O
UT1
DAC
O
UT2
TUNER
C
VBS
OUT
TUNER OUT L/R
TUNER CVBS OUT
SLOW SW
D+5V
PS_ON
IC3301
LINE Reg.
BD6538G
TUNER OUT_L/R
OFL1
PWM_0
IC8401
NAND FLASH
512Gbit
IXC147WJQZQ
+3.3V
+8.0V
+3.3V
+1.8V
+1.25V
+1.05V
RxD,TxD_CPU
UART
BU+3.3V
IC2008
Gate
7WH126FU
UCOM_RST
RS_BUF_CNT
RxD,TxD
IC2001
Reset
BU+3.3V
From CPU
CNVss
PM_REQ,
N_SRESET
I2C
EEPROM_SCL/SDA
IC2004
EEPROM
2kbit
BU+3.3V
RGB HV
FBIN
IC1504
HDMI-SW
SII9287B
I2C_0_400KHz
DDC_2
HDMI_2
DDC_1
HDMI_1
CI-CPU_OUT
+3.3V
Headphone/
Audio
Out
CEC_0
TUNER_I2C
PWM_1
CEC_0
OFL2
FAST_SW
I2C_2
IC3502
DDR2(1066M)
1Gbit
PNL_POW
STB_CPU
UART
S-Video
S-Video
IF_AGC
IC4405
CI Controller
MT8295
DVB_TC_IFSW
CI_D[7:0] /CI_A[14:0]
HDMI 2
HDMI 3
HDMI 4
IC504
TUNER OUT
MM1506XN
TU_CVBS_OUT_MUTE
DDC_3
HDMI_3
DDC_4
HDMI_4
PDD[7:1]
+3.3V
+1.8V
X4401
Xtal
27.000MHz
FE_RST
CI_CNT_RESET
ADIN5 ADIN0
TS_CIOUT
TS_CIIN
IC1102
IF_DEMUX
LV4053FT
IC503
OPT OUT
T7SET08
CI_CEB, CI_RB
I
C
2
6
From CPU
From CI
IC4401
IC4402
IC4403
LCX244FT
+3.3V
TS_CIIN
J9501
Ethernet for LAN
ONDD8
㨪
15
ONDA6
㨪
IC9501
Ethernet Bus
Interface
KSZ8041T
+3.3V
From CPU
P_TS_SW
SC8454
SD Connector
for Time Shift
SDIOCMD/SDIOCLK SDI0
㨪
3
IC2701
DSP
YSS951VZ
I2C_0 (400KHz)
IC2702
Woofer AMP
(0.1CH)
VHIYDA164QZ
AMP_DATA_LR
AMP_DATA_
SW
LRCK/BCLK/MCLK
[SB]
P2702
EXT-SP
Woofer
+3.3V
+1.8V
+13V
+13V
DET_SYNC
WP
[KM] J1
(8p)
X2001
Xtal
32.768kHz
From CPU or
UCON
Mute
Mute
From CPU or
UCON
From CPU or
UCON
IC1505
OPT OUT
AHC1G08 From CPU or
UCON
Mute
IC8452
SW
LCX157FT
CNVss
PM_REQ, CBOOTS
FRAME
O_S_SET
From CPU or
UCON
Mute
OPC sensor
R/C receiver
BU5V
POWER CIRCUIT
1) BU3.3V
2) D3.3V
3) D5.6V
4) D5V
5) D+1.8V
6) D+1.05V
7) STB+3.3V
8) S+8V
9) CPU+1.2V
UR13V
PE PE
DET_13V,
D
ET_3.3V
[RA] P2005
(15p)
S13V
IC2601
Spliter
HC2G66DP
PNL_I2C_EN
PNL_WP
I2C_0 (400KHz)
B_STATUS
DMMER
[LB]
P9602
(9pin)
OFL
IC9601
Spliter
HC2G66DP
ERROR
VON
[LW]
P2601
(41p)
TCON_I2C
PNL_EN
From CPU
ROM_WP
PNL_ROM_EN
DET_POW
DET_SYNC
FRAME
O_S_SET
B_STATUS
VCOM_WP
[PD]
P9601
(12PIN)
AC_DET
PS_ON
PNL_POW
LED
x3
LED
x3
[RI] P202
(2p)
ICON LOGO
[RL] P2006 (3p)
[RL] P201
(3p)