System Block Diagram (Lc-32Dh77E/Ru/S) - Sharp LC-32DH77E Service Manual

LC-32/42/46DH77E/RU/S

[2] SYSTEM BLOCK DIAGRAM (LC-32DH77E/RU/S)

SYSTEM BLOCK DIAGRAM
EXT8
J505 CVBS_IN
J
CVBS/LR
CVBS_IN_L/R
EXT1(CVBS/YC/RGB)
SC1_CVBS/Y
SC503
SC1_IN_L/R
CVBS/LR
SC1_Y/C
RGB
RGB
SC1_V_OUT
TUNER_OUT
SLOWSW2
TUNER_OUT_L/R
LR_OUT
SLOWSW1
FS/FB SC1FSW
I
TUNER OUT
Disclete
MUTE
EXT2(CVBS/YC)
SC2_CVBS/Y
SC502
CVBS/LR SC2_IN_L/R
SC2_Y/C
RGB
SC2_V_OUT
AV_OUT
MONITOR_L/R
LR_OUT MONITOR OUT
Disclete
MM1756AU
FS/
MUTE
AV_LINK
AV_LINK
H
EXT3(COMP/AUD)
COMP_YPbPr
J501
YPbPr/LR COMP_IN_L/R
SP
P2701
SP_L
IC2701
SPK_OUT
SP AMP
YDA148QZ
SP_R
G
OUTPUT(AUDIO)
MONITOR_L/R Disclete
J506 MUTE
AUDIO_OUT
Disclete
MUTE
SC4401
CI_D[7:0] /CI_A[14:0]
CI
CIEN,CIDET
(COMMON
TS_CI_OUT
INTERFACE)
TS_CI_IN
F
TUNER_CVBS
D_IF IN P/N
TU1101
TUNER
IFAGC
SIF
J504
E
HP_PLUG
HP
HP_L/R
DIGITAL
AUDIO_OUTPUT
D520
OPT_OUT
GPFSV51V IC503
SPDIF_OUT
OPT OUT
T7SET08
MUTE
EXT4/6
J506
D
HDMI2/PC
PC/HDMI_L/R
AUDIO(R/L)
(MINI_PLUG)
EXT4
SC501 PC_RGB
PC_H/Vsync
ANALOG_RGB
(PC)
IC501
EEPROM
BR24C21F
IC506
MAX3221
RS-232C
RS232C TxRx
C
SC1505
HDMI-4
EXT7 SC1501
HDMI_3
HDMI-3
DDC_3
B
SC1502
EXT6
DDC_1
HDMI-2
HDMI_1
SC1503
EXT5
DDC_2
HDMI-1
HDMI_2
CEC_0
J3301
USB_DP/N
A
USB IC3301
LINE REG
BD6538G
1 2 3 4
IC504 IC507
MUX
MM1506XN
MM1507XN
TUNER_CVBS_SEL
TU_CVBS_OUT_MUTE
IC508
D3.3V
IC8455
EXE_LED1
BR24S64F
CVBS BYPASS EEPROM
X4401
27MHz
CI_CEB, CI_RB
IC4405
CI_CNT_RESET
CI Controller
MT8295
CI_DATA
IC1504
SII91873
TMDS_Rx/ I2C_SINK
HDMI-SW
[DV] INTERFACE
SC1801(21pin)
5 6 7 8
PNL_EN
PNL_IC2_EN
PNL_ROM_EN
PNL_WP
COMP_YPbPr
SDA.SCL(400Hz)
IC3302 OFL1
Digital AV decode OFL2
IXC773WJQZ
VON
TS_CPU_IN
TS_CPU_OUT
TUNER_CVBS
D_IF IN P/N
IFAGC
SIF
TUNER_SDA/SCL
IC3501
IXC790WJ
1066Mbit
DDR2
SPK_OUT_L/R
TUNER_OUT_L/R
MONITOR_OUT_L/R
IC3502
HP_L/R
IXC790WJ
CVBS_IN_L/R
1066Mbit
SC1_IN_L/R
DDR2
SC2_IN_L/R
COMP_IN_L/R
OPT_OUT
UCOM_RST
PC/HDMI_L/R
CNVss
CNVss
PC_RGB
RS_BUF_CNT
PC_H/Vsync
SW_TMDS_CLKP/N PM_REQ,CBOOTS
SW_TMDS_D0P/N
SW_TMDS_D1
SW_TMDS_D2
P2603
RXD,TXD_CPU
IC8452 DEBUG
SW
Connector
LCX157FT
IC8454
N_SRESET
SW
AHC1G08W
N_RESET
IC8401
SC8452
To External IXC721WJQZ
512Mbit
Flash Memory
FLASH
9 10 11 12
4 – 2
MAIN UNIT
AIN0+/-,AIN1+/-,AIN2+/-,AIN3+/-,AIN4+/-,ACK+/-,
BIN0+/-,BIN1+/-,BIN2+/-,BIN3+/-,BIN4+/-,BCK+/-
PE
HV_MODE
DET
LCD_EN
VCOM_SCL/SDA
IC2601
VCOM_WP
Spliter CONT_DET
HC2G66DP
TEST_MODE
D3.3V
REG2
OFL1
IC9601
Spliter
OFL2
HC2G66DP
IC2007
STB
SW.
ERR
AHC1G08W
X2001 X2002
20MHz 20MHz
D3.3V EXE_LED
STB
EXE_LED
DET_POW2_PNL12V
AV_LINK
AV_LINK_O
DET_SYNC
DET_SYNC
AV_LINK_I
DET_COND
DET_COND
TEST_MODE
CEC_LINE
CEC_I12 CONT_TEST
ERR_L
CEC_O12 ERR_PNL
PS_ON
SM_POW
ANT_5V_SW ANT_POW
AC_DET
AC_DET
LNB_SHORT LNB_SHORT
MUTE_A_ALL MUTE_A_ALL
S+13.5V
I2C1_SCL AMP13V
IC2004 I2C1_SDA UR+13.5V
S24C508J
BU+5V
EEPROM
W_PROT_M
IC2002
BU+3.3V MONITOR_MICON
IC2001
IXC786WJ
S80927NM RESET POWER_SUPPLY
RESET
CIRCUIT
POW13V BACK-UP_SYSTEM
DET_POW1_13V
BU+5V
BU+3.3V
D3.3V
RXD/TXD_DBCG DET_POW3_D3V3 MAIN_SYSTEM
D5V
CNVss D3.3V
D_POW
D_POW S+8V
P2001 BUSY/CE/EPM/SCLK RS_ON D1.8V
RS_ON
CPU1.2V
Debug &
RXD/TXD D1.05V
Piogram
etc.
RS_BUF_CNT IC2008
7WH126FU
SW.
TH2001
RXD/TXD_CPU QSTEMP
PM_REQ,CBOOTS
STBY_POW
POW_SW
KEY2
N_SRESET
KEY2
KEY1
S2006 S2003 S2007
KEY1
CH-UP VOL-UP POWER
IR_PASS
S2005 S2002
CH-DOWN VOL-DOWN
OPC
S2004 S2001
INPUT MENU
IC2009
TC7SH00U
IR_SW.
RA(P2003)
(10pin)
RA(P102)
(10pin)
D102
OPC
BU3.3V
IC101
D103
OPC
TVPOW R
SENSOR
G/B
RMC101
IR
RECEVER
R/C, LED UNIT
13 14 15 16
LCD PANEL UNIT
LCD_PANEL
1920x1080
4 or 5-Wavelength
60V
REG2
OFL
ADIM
STB
ERR
IC7501
60V
BD9883FV
CCFL
BACKLIGHT
CONTROLLER
OVP
FB
BU5V 13V 60V
BU+5V 13V 60V
KEY2
STBY_CONV. MAIN_CONV.
PFC
CONTROL
NOISE_FILTER
POWER_UNIT+INVERTER
AC_INLET
17 18 19