System Block Diagram (Lc-70Le632U) - Sharp LC-70LE632U Service Manual

[3] SYSTEM BLOCK DIAGRAM (LC-70LE632U)

CVBS2_IN
CVBS
INPUT
7 CVBS2_IN_L/R
LR
J
CVBS1_IN
INPUT CVBS
6
CVBS1_IN_L/R
LR
COMP1_IN_L/R
INPUT LR
5
COMP1_Y/Pb/Pr
Component
I
[SP]
+13V
SPEAKER P2701
IC2703
EXT-SP
SP AMP(2CH)
YDA164
H
D_IF-/+
G
TU_SCL/SDA
N_TUN_RST
SIF
F
RF IN
TU1105 +3.3V
+1.8V
Analog/
Digital
Si Tuner
Disclete
AUDIO_MUTE
Mute
+5V
IC2704
Audio Out HP/MONI_L/R
(Mini Plug) HP-AMP
AK4201EU
E
OPTICAL
+5V
OUT IC503
AUDIO_MUTE
OPT_OUT
RGB/HDMI
INPUT
PC/HDMI_LR
Audio
2/8
(Mini Plug)
PC_VSYNC/HSYNC
D-SUB
INPUT
PC_R/G/B
D RGB
8
UART_CPUTO232C,UART_232CTOCPU
+3.3V
IC506
RS232C TxRx
RS-232C
M3221EIP
No.9 pin RC Passthrough
C
INPUT
HDMI 4
4
INPUT
HDMI 3
3
INPUT
HDMI 2
2
HDMI 1
INPUT
(ARC)
B 1
HDMI_CEC
J9502
USB +5V
IC9502
U5V
0.5A
PowerSW
AP2151
3 +3.3V
IC9505
USB2.0 Hub
Controller
PD720114
J9504
4
+5V 2
A USB
IC9503
PowerSW
1.5A
AP2181
2 3 4
1
I2C_0 (400KHz)
N_PER_RST
N_AMP_PROTECT
AUDIO_MUTE
IC4405 +3.3V
25MHz
+1.2V
ATSC Demod
X4402 DEMOD_TSCLK/SYNC/VAL/DATA0
Xtal MT5112EE
ATSC_IF_AG
TU_DEMOD_SCL/SDA
I2C_0
I2C_1
PC_VSYNC/HSYNC
I2S(SDATA/LRCK/SCLK/MCL
+5V
DDC_0
+3.3V
HDMI_0
+1.2V
DDC_1
I2C_1 (100KHz)
HDMI_1
IC1504
DDC_2 HDMI-SW
HDMI_2 SII9387
DDC_3
HDMI_3
DDC_4
HDMI_4
N_PER_RST WiFi
WOWLAN
X9502
30MHz
Xtal
UNIT
+5V
5 6 7 8
MAIN
+3.3V
IC8455
EEPROM
64kbit
IC2001
Reset
UCOM_RST
N_PER_RST
N_AMP_PROTECT
SP_MUTE
UCOM_MODE
BU+3.3V
+3.3V
+1.5V
+1.2V AUDIO_MUTE (=N_MUTE_A_ALL)
+1.1V
CPU_TXD1_UCOM,CPU_RXD1_UCOM
DEMOD_RST
N_TUN_RST
(400KHz 3.3V)
IC3303
(400KHz 3.3V) TUNER_I2C
I2C_0
(100KHz 3.3V)
MT5395(FHD)
I2C_1
STB_CPU
H.264 / VC-1
I2C_2 I/O
OFL1
RGB HV(AK14,AJ14)
PWM_0
PC_R/G/B Digital AV decode & Main CPU
RGB in(AK17) OFL2
PWM_1
DDC_I2C_1
HDMI_1 AC_DET
PNL_POW
Audio out
27.000MHz
HP/MONI_L/R(PWM)
X3301
X'tal
SIF
SIF
+1.5V IC3501
CVBS2_IN_L/R
DDR3(1333M)
IC3502
CVBS1_IN_L/R
1Gbit
DDR3(1333M)
COMP_IN_L/R
1Gbit
Audio in
+1.5V
PC/HDMI_LR
OPT_OUT IC3503
DDR3(1333M)
DTV/SPDIF
1Gbit
zz
RESET
RESET
BU+3.3V
BU+3.3V
1 1
+3.3V IC8451
Buffer
0
0
N_SRESET
SMPOWHOLD
+3.3V
IC8401
NAND FLASH
2Gbit
BU+3.3V
IC2003
Buffer
LCX125FT
HDMI_CEC
J9501
Ethernet
9 10 11 12
5 – 3
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
BU+3.3V
DET_PNL12V
RESET I/O 9
L/R_REF
I/O 8
IC2001 VSYNC
I/O 4
R8C/36C
THERMO 2
MODE
IXD241WJ A/D Thermister
5
SUB MCU
20MHz
EEPROM_SCL/SDA BU+3.3V
FL2001
I2C IC2004
Xtal
WP EEPROM
I/O
PMREQ 2kbit
I/O
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
PS_O
SMPOWHOLD
OR
N
0
GND
RC_CPU
RC
1
7
1
RC
4
VON
2
+3.3V
IC9610
3
Spliter
5
HC2G66DP
11
MAIN 12
D5.6V
10
D5V
UR13V
U5V
S13V
D3.3V
M1.8V
BU5V
D1.5V
D1.1V
BackUp
BU+3.3V
POWER CIRCUIT
BU+5V
Tr
+5V
+3.3V
BU+3.3V
[RC] P2001(15p) [CI] P2007(3p)
[KM] P151(4p) [RA] P103(5p) [CI] P202(3p)
TACT KEY R/C EMBLEM
R/C
OPC
13 14 15 16
LC-70LE632U/633U
T-CON
POWER Unit
17 18 19