Read Sharp LC-52XS1E (serv.man5) Service Manual online
LC-52XS1E/RU/LC-65XS1E/RU
5 – 2
1. IF PWB
1. IC6001 (VHiS24CS02J-1Y)
This is an EEPROM in which the EDID for the HDMI of the display is stored. The writing process is carried out by executing the EDID WRITE func-
tion described on page 3. The writing process must be implemented when the IC is replaced. The harness of the LB connector (P7908) on the IF
PWB is also used for identifying the size of the monitor. The harness of the KM connector (P7905) on the IF PWB is also used for setting the des-
tination of the monitor. The writing process must be carried out after the proper harnesses are attached. (The EDID varies depending on the types
of harnesses.)
tion described on page 3. The writing process must be implemented when the IC is replaced. The harness of the LB connector (P7908) on the IF
PWB is also used for identifying the size of the monitor. The harness of the KM connector (P7905) on the IF PWB is also used for setting the des-
tination of the monitor. The writing process must be carried out after the proper harnesses are attached. (The EDID varies depending on the types
of harnesses.)
While the STB reads the value contained in this EEPROM, the model mode on the side of the STB changes accordingly (as indicated on the upper
right side of the page 1 of the process screen for STB). Also, the operation of the monitor alone mode partially changes depending on the destina-
tion.
right side of the page 1 of the process screen for STB). Also, the operation of the monitor alone mode partially changes depending on the destina-
tion.
2. IC6004 (VHiSII9181A-1Q)
This is an HDMI SW used as an equalizer for waveform shaping in case any cable other than the attached HDMI cable is used or the optional 10
m cable (planned) is used.
m cable (planned) is used.
HDMI Switch
17
IC7103
RH-iXC582WJQZQ
FPGA
This IC is FPGA (Field Programmable Gate Array) IC.
In this IC, 10 bit LVDS signal from IC6201(DECODER) is input, and it processes
the color gamut conversion, the skin color correction is processed, and it outputs
it with each RGB LVTTL in 10 bits. Moreover, the I2S signal from IC6102 is input,
and the audio delay processing for the picture delay generated since the LCD
TCON+A3C substrate is done.
In this IC, 10 bit LVDS signal from IC6201(DECODER) is input, and it processes
the color gamut conversion, the skin color correction is processed, and it outputs
it with each RGB LVTTL in 10 bits. Moreover, the I2S signal from IC6102 is input,
and the audio delay processing for the picture delay generated since the LCD
TCON+A3C substrate is done.
14/20
18
IC7502
VHiTLVD1023-1Q
LVDS
TRANSMIT-
TER
TRANSMIT-
TER
This is an LVDS (Low-Voltage Differential Signaling) transmitter IC.
This IC converts each 10 bits of RGB of LVTTL from IC7103(FPGA) into a LVDS
signal.
This IC converts each 10 bits of RGB of LVTTL from IC7103(FPGA) into a LVDS
signal.
15/20
19
IC7002
RH-iXC331WJQZQ
Monitor-
UCON
UCON
This IC is a 16-bit monitor microcomputer which carries M16C/60 series CPU
core. In this IC, the receiving light of R/C, control of the CEC signal, detection of
key, and detection of OPC are performed. Moreover, detection of the error about
the power supply in IF board and power supply management of the monitor part
are performed.
core. In this IC, the receiving light of R/C, control of the CEC signal, detection of
key, and detection of OPC are performed. Moreover, detection of the error about
the power supply in IF board and power supply management of the monitor part
are performed.
17/20
20
IC7006
VHiBR24L04F-1Y
4K E2PROM
This IC is 4K bit serial E2PROM of 512 word *8K bit configuration.
This IC saves the data of a portion with which IC7002 (MONITOR-MICON) is pro-
cessing.
This IC saves the data of a portion with which IC7002 (MONITOR-MICON) is pro-
cessing.
17/20
21
IC5802
VHiLTC1154+-1Y
5V-REG
It is power supply IC for supplying the object 5V for the wireless transmission
units of an option. It has short circuit detection and a thermal shutdown function.
units of an option. It has short circuit detection and a thermal shutdown function.
18/20
22
IC5901
VHiBD9045FV-1Y
2CH-DC/
DC-CONV
DC-CONV
This IC is 2 CH-DC/DC-CONV-IC. 15V from a power supply unit is inputted, and
5V and 3.3V which are used within IF board are generated.
Moreover, over-current protection, over voltage protection, short protection, and
RT open short protection etc. builds in the substantial protection circuit.
5V and 3.3V which are used within IF board are generated.
Moreover, over-current protection, over voltage protection, short protection, and
RT open short protection etc. builds in the substantial protection circuit.
19/20
23
IC5902
VHiBD9045FV-1Y
2CH-DC/
DC-CONV
DC-CONV
This IC is 2 CH-DC/DC-CONV-IC. 15V from a power supply unit is inputted, and
1.2V and 1.8V which are used within IF board are generated.
1.2V and 1.8V which are used within IF board are generated.
19/20
Pin No.
Pin Name
I/O
Pin Function
System Switching
37
DSDA
I/O
DDC I2C Data for respective port.
38
DSCL
I
DDC I2C Clock.
39
RPWR
I
5V Port detection input. Connect to 5V signal from HDMI input connector.
25
HPD
O
Hot Plug Detect Output. Connect to HOTPLUG of HDMI input connector.
51
HPDIN
I
Hot Plug Detect Input.
53
TSCL
O
Master DDC I2C Clock (Open Drain Output) to HDMI receiver. I2C transactions required for HDCP opera-
tion are performed over this I2C bus.
tion are performed over this I2C bus.
52
TSDA
I/O
Master DDC Data (Open drain output.) to HDMI receiver.
I2C transactions required for HDCP operation are performed over this I2C bus.
I2C transactions required for HDCP operation are performed over this I2C bus.
Configuration
54
I2CADDR/TPWR
I/O
I2C Slave Address input/Transmit Power Sense output pin.
When RESET# is low, this pin is used as an input to latch the I2C sub-address. The level on this pin is
latched when the RESET# pin transitions from low to high.
When RESET# is high, this pin is used as the TPWR output, indicating that the Rx-port has 5V present.
When RESET# is low, this pin is used as an input to latch the I2C sub-address. The level on this pin is
latched when the RESET# pin transitions from low to high.
When RESET# is high, this pin is used as the TPWR output, indicating that the Rx-port has 5V present.
No.
REF
No.
Name
Part Code
Description
Drawing
No.
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