System Block Diagram - Sharp LC-40LE820UN Service Manual

LC-40/46/52/60LE820UN

[2] SYSTEM BLOCK DIAGRAM

SYSTEM BLOCK DIAGRAM
J
CVBS_IN
INPUT CVBS/LR
CVBS_IN_L/R
2 (Mini Plug)
COMP_Y/Pb/Pr
Component
INPUT
COMP_IN_L/R
/LR
1
I
SP
IC2703
SPEAKER P2701 SP AMP(2CH)
EXT-SP YDA164
H
IC2702
SP
Woofer AMP
Woofer P2702
(0.1CH)
EXT-SP
YDA164
G
+5V
CVBS
TU1102
RF IN N_TUN_RST
Analog/
IF_AGC
Digital
D_IF IN-/+
Si Tuner
F
Disclete
Mute
Audio
E
Out
HP/MONI_L/R
(Mini Plug)
IC503
OPTICAL
OPT OUT
OUT
T7SET08
Mute
RGB/HDMI
INPUT PC/HDMI_LR
Audio
3/4
(Mini Plug)
D
PC_VSYNC/HSYNC
INPUT D-SUB
PC_R/G/B
3 RGB
IC509
EEPROM
+3.3V
IC506
RS232C TxRx
RS-232C M3221EIP
No.9 pin RC Passthrough
C
INPUT
HDMI 4
6
INPUT
HDMI 3
5
INPUT
4 HDMI 2
INPUT
3 HDMI 1
B
CEC_0
J3301
USB
+5V
IC3301
LINE Reg.
S170B50U
J3302
USB
+5V
IC3304
LINE Reg.
S170B50U
A
1 2 3 4
24.576MHz I2C_0 (400KHz)
X2701
X'tal
+13V
SDATA0
+3.3V
+1.8V
IC2701
LRCK/SCLK/MCLK
DSP
+13V (YSS951)
SDATA1
OPT_OUT
From CPU
UART_5391TO232C,UART_232CTO5391
DDC_1 +3.3V
HDMI_1
DDC_0
HDMI_0 IC1504
HDMI-SW
SII9287
DDC_3
HDMI_3
I2C_0_400KHz
DDC_2
HDMI_2
D+5.6V
5 6 7 8
MAIN
+3.3V
IC8455
EEPROM
64kbit
CNVss
IF_AGC Thermister
+8.0V
D_IF_IN-/+
+3.3V
TUNER_I2C (400KHz 3.3V) +1.8V
TUNER_I2C
I2C_0 (400KHz 3.3V)
I2C_0 +1.25V
I2C_1
+1.05V
I2C_2
PC_VSYNC/HSYNC
RGB HV(AK14,AJ14)
PC_R/G/B
IC3302
RGB in(AK17)
STB_CPU
I/O
MT5391W(FHD)
DDC_I2C_1
OFL1
HDMI_1 PWM_0
H.264 / VC-1
OFL2
PWM_1
I2S(SDATA/LRCK/SCLK)
AC_DET
Digital AV decode & Main CPU
PNL_POW
Audio out
27.000MHz
HP/MONI_L/R
X3302
X'tal
SIF
SIF
CVBS_IN_L/R
COMP_IN_L/R
Audio in
PC/HDMI_LR
OPT_OUT
DTV/SPDIF
N_CPU_RST
RESET
N_SRESET
+3.3V
IC8401
NAND FLASH
1Gbit
+3.3V
IC9501
Ethernet Bus
Interface
J9501
Ethernet
9 10 11 12
9 – 2
B_STATUS
PNL_WP
PNL_ROM_EN
PNL_EN PE
I2C_0 (400KHz)
IC2601
Spliter
HC2G66DP
BU+3.3V
IC2001
Reset
UCOM_RST
DET_PNL12V
BU+3.3V I/O
DET_SYNC
RxD,TxD IC2002
UART
FRAME
M16C/65
IC2008
RS_BUF_CNT O_S_SET
IXC786WJ
Gate
7WH126FU SUB MCU
RxD,TxD
UART
THERMO
A/D
20MHz
LAMP_ERR
I/O
X2002
STB
Xtal
I/O
AC_DET
I/O
PM_REQ, CBOOTS
PS_ON
I/O
N_SRESET
I/O
I/O
INT0 I/O
I2C
I/O
A/D PWM
IC9601
Spliter
HC2G66DP
EEPROM_SCL/SDA
BU+3.3V
IC2004
EEPROM
2kbit
IC3501
DDR2(1066M) IC3502
1Gbit
DDR2(1066M)
1Gbit
BU+3.3V
KEY_RST
Tr
BackUp
BU+3.3V
MAIN
8V
5.6V
5V
D3.3V
D1.8V
D1.26V
D1.05V
POWER CIRCUIT
BU+3.3V
D+5V D+3.3V
RA P2005(15p) P2006 (3p)
RL (3p)
RA (5p) RI (2p)
KY (2p)
TOUCH KEY RC ICON
LOGO
MEN /POWER
R/C
INPUT/CHANNEL
OPC
VOLUME
13 14 15 16
VON
UR13V
S13V
BU5V
RL
17 18 19