System Block Diagram - Sharp LC-52LE640U Service Manual

LC-52/60/70LE640U,C6400U (1st Edition)

[2] SYSTEM BLOCK DIAGRAM

CVBS2_IN
CVBS
INPUT
7 CVBS2_IN_L/R
LR
J
CVBS CVBS1_IN
INPUT
6
L LR CVBS1_IN_L/R
LR COMP1_IN_L/R
INPUT
5
Component COMP1_Y/Pb/Pr
I
SP
SPEAKER P2701 IC2703
EXT-SP
SP AMP(2CH)
YDA164
H
D_IF-/+
G
TU_SCL/SDA
N_TUN_RST
SIF
F RF IN
TU1105
T +3.3V
Analog/ +1.8V
Digital D i
Si Tuner
Disclete
AUDIO_MUTE
Mute
Audio Out Audio Out Audio Out Audio Out HP/MONI_L/R
(Mini Plug)
E
OPTICAL
OUT IC503 +5V
AUDIO_MUTE
OPT_OUT
RGB/HDMI RGB/HDMI RGB/HDMI RGB/HDMI
INPUT
PC/HDMI_LR
Audio
2/8
(Mini Plug)
PC_VSYNC/HSYNC
D-SUB
PC_R/G/B
INPUT
RGB
8
D UART_CPUTO232C,UART_232CTOCPU
+3.3V
IC506 I
RS232C TxRx
RS-232C
M3221EIP
No.9 pin RC Passthrough
INPUT
HDMI 4
C
4
INPUT
HDMI 3
3
INPUT
H HDMI 2
2
HDMI 1
INPUT
(ARC)
1
HDMI_CEC
B
J9502
USB
+5V
IC9502
I
U5V
0.5A
PowerSW
AP2151
3
J9504
4
+5V
USB IC9503
1.5A PowerSW
AP2181
A
2 3 4
1
I2C_0(400KHz)
+13V
N_PER_RST
N_AMP_PROTECT
AUDIO_MUTE
IC4405
25MHz 4 +3.3V
ATSC Demod +1.2V
X4402 DEMOD_TSCLK/SYNC/VAL/DATA0
MT5112EE
Xtal
ATSC_IF_AG
TU_DEMOD_SCL/SDA
+5V
IC2704
HP-AMP
AK4201EU
+5V
DDC_0
+3.3V
HDMI_0
+1.2V
DDC_1
HDMI_1
I2C_1 (100KHz)
IC1504
DDC_2
HDMI-SW
HDMI_2
SII9387
DDC_3
HDMI_3
DDC_4
HDMI_4
+3.3V
IC9505
N_PER_RST WiFi W
USB2.0 Hub
Controller
PD720114 WOWLAN
X9502 30MHz
2
Xtal
UNIT
+5V
5 6 7 8
MAIN
IC8455 +3.3V
EEPROM
64kbit
UCOM_RST
N_PER_RST
N_AMP_PROTECT
SP_MUTE
UCOM_MODE
BU+3.3V
+3.3V
+1.5V
+1.2V
+1.1V
CPU_TXD1_UCOM,CPU_RXD1_U
DEMOD_RST
N_TUN_RST
(400KHz 3.3V)
IC3303
I2C_0 (400KHz 3.3V) TUNER_I2C
I2C_0
I2C_1 (100KHz 3.3V)
MT5395(FHD) MT5395(FHD) MT5395(FHD) MT5395(FHD)
I2C_1
STB_CPU
H.264 / VC-1 H.264 / VC-1 H.264 / VC-1 H.264 / VC-1
I2C_2 I/O
PC_VSYNC/HSYNC
OFL1
RGB HV(AK14,AJ14)
PWM_0
PC_R/G/B
RGB in(AK17)
OFL2
Digital AV decode & Main CPU PWM_1
DDC_I2C_1
AC_DET
HDMI_1
I2S(SDATA/LRCK/SCLK/MCL
PNL_POW
Audio out
27.000MHz
HP/MONI_L/R(PWM)
X3301
X'tall
SIF
SIF
+1.5V IC3501 I
CVBS2_IN_L/R
DDR3(1333M) DDR3(1333M) DDR3(1333M) DDR3(1333M)
IC3502
CVBS1_IN_L/R
1 1 Gbit 1 1Gbit t i G G b b t i
DDR3(1333M)
COMP_IN_L/R
1G t bi
Audio in
+1.5V
PC/HDMI_LR
IC3503
OPT_OUT I
DDR3(1333M)
DTV/SPDIF
1Gbit 1 1
zz
RESET
RESET
BU+3.3V
BU+3.3V
1 +3.3V IC8451 1
Buffer
0 0
N_SRESET
SMPOWHOLD
+3.3V
IC8401
NAND FLASH
2Gbit
IC2003
B Buffer
LCX125FT
HDMI_CEC
J9501
Ethernet
9 10 11 12
8 – 2
VBO_LOCKN
VBO_HTPDN
I2C_READY
7
PNL_EN N_PNL_EN
3
PNL_WP
6
1
OFL1_FRCRST
12
I2C_0 (400KHz)
+3.3V
IC2601
PNL_I2C_EN
Spliter
HC2G66DP
IC2001
I
Reset
BU+3.3V
DET_PNL12V
RESET
I/O 9
L/R_REF
I/O 8
IC2001 VSYNC
I/O 4
R8C/36C
2
THERMO
MODE
IXD241WJ A/D Thermister
5
SUB MCU
20MHz
EEPROM_SCL/SDA BU+3.3V
FL2001
I2C
I IC2004
Xtal WP
I/O EEPROM
PM RE
2kbit
I/O
AUDIO_MUTE LAMP_ERR
I/O
I/O
STB
UART
I/O
N_SRESET AC_DET
I/O
I/O
HDMI_CEC_IN
I/O
SMPOW
HDMI_CEC_OUT I/O
I/O
SMPOWHOLD PS_ON
OR
0
GND
RC_CPU
RC
1
7
1
RC
4
VON
2
+3.3V OFL
3
IC9610
Spliter
DIMMER
5
HC2G66DP
11
MAIN
12
D5.6V
10
D5V
UR13V
U5V
D3.3V S13V
M1.8V
BU5V
D1.5V
D1.1V
BackUp
BU+3.3V
POWER CIRCUIT
BU+5V
Tr r T
BU+3.3V
+5V
+3.3V
BU+3.3V
RC P2001(15p) CI P2007(3p)
KM P151(4p) RA P103(5p) CI P202(3p)
TACT KEY TACT KEY TACT KEY TACT KEY R/C C EMBLEM
R/C
OPC
13 14 15 16
T-CON
I2C0_SCL/SDA
OFL T-CON
PWM1
MAIN
PWM1
POWER
DIMMER
Driver)
OFL
POWER Unit
LED_Drive
17 18 19