Read Sharp LC-60LE925E (serv.man20) Service Manual online
LC-46/60LE925E (1st Edition)
9 – 3
[3] SYSTEM BLOCK DIAGRAM
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SYSTEM BLOCK DIAGRAM
CAM
IC3302
MT5391DWCJ(FHD)
H.264 / CI+
Digital AV decode & Main CPU
N_CPU_RST
SPI_FLASH
/NAND
Flash
LVDS
OUT
USB_0
Audio in
DTV/SPDIF
I2C_1
RESET
RGB/Component in
DDC_I2C_1
DDC_I2C_1
HDMI_1
CVBS
I2C_0
MAIN
SIF
Thermister
IC2002
M16C/65
IXC786WJ
SUB MCU
I/O
I/O
THERMO A/D
A/D
INT0
I/O
I/O
IC2703
SP AMP(2CH)
VHIYDA164QZ
HP/MONI_L/R
I2S(SDATA/LRCK/SCLK)
Disclete
Mute
PC/HDMI_LR
RGB/HDMI2
Audio(L/R)
(Mini Plug)
[SP]
P2701
EXT-SP
SPEAKER
OPTICAL
OUT
OPT_OUT
SPDIF_MUTE
27.000MHz
X3302
X'tal
X2002
Xtal
20MHz
EXT3
Comp/RGB
RF IN
TU1101
Analog/
Digital
Tuner
+5V
UART_5391TO232C,UART_232CTO5391
TUNER_I2C (400KHz 3.3V)
J3301
USB
IC506
RS232C TxRx
M3221EIP
RS-232C
+3.3V
No.9 pin RC Passthrough
IC509
EEPROM
IC8455
EEPROM
+3.3V
SIF
EXT2
HDMI 1
EXT3/HDMI2
D-SUB
RGB
/Component
Audio out
IC3501
DDR2(1066M)
1Gbit
I2C_0
CVBS/LR
CVBS_IN
CVBS_IN_L/R
D+5.6V
IC3301
LINE Reg.
S170B50U
I/O
I/O
IC8401
NAND FLASH
1024Mbit
IXD047WJQZ
+3.3V
+8.0V
+3.3V
+1.8V
+1.25V
+1.05V
RxD,TxD
UART
BU+3.3V
IC2008
Gate
7WH126FU
UCOM_RST
RS_BUF_CNT
RxD,TxD
IC2001
Reset
BU+3.3V
CNVss
PM_REQ, CBOOTS
N_SRESET
N_SRESET
I2C
RGB HV
IC1504
HDMI-SW
SII9387
DDC_3
HDMI_3
HDMI_3
DDC_4
HDMI_4
HDMI_4
+3.3V
Headphone/
Audio
Out
(Mini Plug)
CEC_0
TUNER_I2C
CEC_0
I2C_2
IC3502
DDR2(1066M)
1Gbit
I/O
UART
S-Video
HDMI 2
HDMI 3
HDMI 4
DDC_2
HDMI_2
HDMI_2
DDC_1
HDMI_1
HDMI_1
IC503
OPT OUT
T7SET08
IC2601
Spliter
HC2G66DP
I2C_0 (400KHz)
ONDD8
㨪
15
ONDA6
㨪
IC9501
Ethernet Bus
Interface
KSZ8041T
+3.3V
SDIOCMD/SDIOCLK
SDI0
㨪
3
IC2701
DSP
YSS951VZ
I2C_0 (400KHz)
IC2702
Woofer AMP
(0.1CH)
VHIYDA164QZ
AMP_DATA_LR
AMP_DATA_SW
LRCK/SCLK/MCLK
[SP]
P2702
EXT-SP
Woofer
+3.3V
+1.8V
+1.8V
+13V
+13V
X2001
Xtal
32.768kHz
J9501
Ethernet
UART-1
+5V
KEY_POW,KEY_SCL,KEY_SDA
BU+3.3V
TOUCH KEY
ILL_CTRL2
+5V
RC,OPC
Tr
KEY_RST
PWM
PC/HDMI_LR
CVBS_IN_L/R
PC_VSYNC/HSYNC
PC_R/G/B
PC_VSYNC/HSYNC
PC_R/G/B
OPT_OUT
HP/MONI_L/R
SIF
(400KHz 3.3V)
[KY] J1(8p)
24.576MHz
X2701
X'tal
+5V
+5V
(400KHz 3.3V)
I2C_1
PNL_I2C_EN
[HN] SC1501 (41p)
From LW Connector
L/R_REF,VSYNC
[HN] SC5601 (41p)
HDMI
(3D)
DDC_0
HDMI_0
HDMI_0
ILL_CTRL1,ILL_CTRL3
MENU/POWER
INPUT/CHANNEL
VOLUME
PN (3p)
[IR] P1502 (4p)
IR Emitta
[IR] P5701 (4p)
UR13V
IC2401
IXD182WJ
LVDS format
Change
+3.3V
+2.5V
+1.2V
+2.5V
+1.2V
X2401
Xtal
27MHz
IC2403
IXD183WJ
Config ROM
I2C_1 (400KHz)
I2C_1 (400KHz)
From IC8402
N_FPGA_RST
0V_VLT
MAIN_2_3D_CNVSS
N_3D_RESET
CONFIG_DONE
DPOW_3D
ERROR_3D
+3.3V
IC8402
PCA9557P
I/O Expander
+3.3V
N_FPGA_RST
From IC2401
To LW Connector
N_FRC_RST
PNL_I2C_EN
HP/MONI_MUTE
IC1512
Spliter
HC2G66DP
I2C_0_400KHz
L/R_REF_INFO
3D_I2C_EN
+3.3V
+3.3V
SC8454
SD Connector
TOSHIBA 64Gbit(8GByte)
SDHC (Class4)
for Time Shift
IC1513
Gate
7WH126FU
+3.3V
EXT1
(SCART1)
CVBS
SCART1 L/R
SCART1 L/R
CVBS/LR
RGB
TUNER_OUT
LR_OUT
LR_OUT
FS/FB
TUNER OUT L/R
TUNER CVBS OUT
SLOW SW1
FB1
S-Video
RGB
RGB
RGB
DAC
O
UT1
DAC
O
UT2
FBIN
ADIN5
ADIN0
TUNER OUT_L/R
IC504
TUNER OUT
MM1506XN
TU_CVBS_OUT_MUTE
From CPU
TU1301
Satellite
Tuner
D_IF_IN-/+
TS-CPU_IN
TS-CPU_OUT
TS-CPU_OUT
IF_AGC
From CPU
From CPU
IC1106
Demodulator
DVB-C
STV0297E
+3.3V
+1.2V
+1.2V
X1101
Xtal
27.000MHz
IC4405
CI Controller
MT8295AE
+3.3V
X4401
Xtal
27.000MHz
IC1102
IF_DEMUX
LV4053FT
IC4401
IC4402
IC4403
LCX244FT
+3.3V
CARD
INTERFACE
+1.8V
CI_CNT_RESET
CI_CEB, CI_RB
CI_D[7:0] /CI_A[14:0]
TS_CIOUT
TS_CIIN
TS_CIIN
IC4409
LCX157FT
Serial TS SW
AGC
CVBS
FE_RST
D_IF IN-/+
IF_AGC
I2C
From CPU
TUNER_RESET
I2C
+3.3V
+3.3V
From CPU
P_TS_SW
DVB_CS_SW
From CPU
Mute
From CPU
Mute
From CPU
N_DSP_RST
CPU_UARXD2_UCOM
CPU_UATXD2_UCOM
CPU_UARXD0_RS
CPU_UATXD0_RS
IC8452
SW
LCX157FT
OFL1
PWM_0
PNL_POW
STB_CPU
AC_DET
MAIN_2_3D_TRXD
DET_PNL12V
DET_SYNC
FRAME
O_S_SET
IC1301
LNB
LNBH23PPR
DETIN,
VoTX,VoRX
VoTX,VoRX
+3.3V
From POWER
PS_ON
BU5V
AC_DET
POWER CIRCUIT
1) BU3.3V
2) D3.3V
3) D5.6V
4) D5V
5) D+1.8V
6) D+1.05V
7) STB+3.3V
8) S+8V
9) CPU+1.2V
2) D3.3V
3) D5.6V
4) D5V
5) D+1.8V
6) D+1.05V
7) STB+3.3V
8) S+8V
9) CPU+1.2V
LAMP_ERR
AC_DET
UR13V
PE
STB
DET_13V,DET_5V
PS_ON
PNL_POW
S13V
[RA] P2005 (13p)
RC
EMBLEM
[RI]
P211(5p)
[RL] P2006 (5p)
EEPROM_SCL/SDA
IC2004
EEPROM
2kbit
BU+3.3V
[RA]
P102(5p)
BU+3.3V
+3.3V
IC9601
Spliter
HC2G66DP
VON
B_STAT
PNL_WP
PNL_ROM_EN
PNL_EN
LOGO
[RL]
P201(3p)
WP
IC9611
Spliter
HC2G66DP
GSP
To HD Connector
L/R_REF,VSYNC
IC2402
LVD1023B1E
LVDS Tx
+3.3V
From IC8402
N_FRC_RST
+3.3V
+3.3V
LED
x3
OPC sensor
R/C receiver
[PD]
P9601
(12PIN)
AC_DET
PS_ON
PNL_POW
PS_ON
PNL_POW
VSYNC
(GSP)
(GSP)
[LB]
P9605
(9pin)
OFL
ERROR
STB
STB
PNL_POW
SCL
SDA
SDA
PE
B_STATUS
[LW]
P2601
(41p)
TCON_I2C
ROM_WP
DET_POW
DET_SYNC
FRAME
O_S_SET
VCOM_WP
VSYNC
(GSP)
(GSP)
L/R_REF
IR_VSYNC/
DET_SYNC
IR_VSYNC/
DET_SYNC
FRC_RST/
LVDS_SEL
LVDS_SEL
LED
x6
[PD]
(12PIN)
POWER
LED Driver
LCD_CTL
[LW]
(41p )
(41p )
[LB]
(9pin)
(9pin)
[LA] (13pin)
[LA] (13pin)
[PN]
(3pin)
(3pin)
[PL]
(4pin)
[PL] (4pin)
To LED Driver
TO
LCD_CTL
LCD_CTL
To
HDMI (3D)
HDMI (3D)
From POWER
From POWER
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