System Block Diagram - Sharp LC-40LE820E Service Manual

LC-40/46/52LE820E (1st Edition)

[4] SYSTEM BLOCK DIAGRAM

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