TU-X1E (serv.man8). Major IC Informations — Sharp TV Service Manual (repair manual)

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TU-X1E (serv.man8)
Pages
22
Size
1.01 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD / Major IC Informations
File
tu-x1e-sm8.pdf
Date

View Sharp TU-X1E (serv.man8) Service Manual online

TU-X1E/RU
7 – 1
TUX1E
Service Manual
 
CHAPTER 7. 
MAJOR IC INFORMATIONS
[1] AVC SIDE
NO
REF NO
Name
Part Code
Description
Draw-
ing No
[MAIN UNIT]
1
IC4109
VHISII9185+-1Q
HDMI_switch
The SiI9185A is the first generation on of TMDS switch device supporting 
Revision 1.3 of the HDMI Specification (HDMI Consortium; June 2006). 
With three HDMI inputs and a single output, the SiI9185A provides a low-
cost method of adding additional HDMI ports to the latest Digital TVs.  The 
main features of this IC  has the following. 
1) Three-input, single-output HDMI switch.
2) Integrated TMDS receiver and transmitter core capable of receiving 
and transmitting 2.25 Gbps;.
•Supports video resorutions up to 1080p, 60Hz, 12-bit or 720p/1080i, 
120Hz, 12-bit.   
•DVI 1.0, HDCP 1.1 and HDMI 1.3 compliant receiver and transmitter.  
 1/19
2
IC4105
VHIBR24L02M-1Y
2K E2PROM
This IC is a 2Kbit-2-wire (I2C bus type) serial EEPROM that can be pro-
grammed electrically. The EEPROM chip stores the EDID data of HDMI2 
input. This data is controlled through I2C signals.
 1/19
3
IC4106
VHIBR24L02M-1Y
2K E2PROM
This IC is a 2Kbit-2-wire (I2C bus type) serial EEPROM that can be pro-
grammed electrically. The EEPROM chip stores the EDID data of HDMI1 
input. This data is controlled through I2C signals.
 1/19
4
IC4101/03
VHIPCA9517+-1Y
I2C BUS 
REPEATER
The PCA9517 is a CMOS integrated circuit that provides level shifting 
between low voltage (down to 0.9 V) and higher voltage (2.7 V to 5.5 V) 
I2C-bus or SMBus applications.
 1/19
5
IC4107/08
VHIT7WB125A-1Y BUS_SW
This IC is low ON resistance and a high-speed dual bus switch.
When output enable (OE#) is "L" level, it turns it on. 
 1/19
6
IC4111/4202
VHIR1173S18-1Y
Voltage Reg.
This IC is the voltage regulator designed so that a big output could be 
taken also on voltage with small input-and-output voltage. In this model, 
1.8V regulator is generated from a 3.3v input power supply.
 1/19
 2/19
7
IC4203
VHISII9135+-1Y
HDMI_Receiver
The SiI9135 is a second generation HDMI V1.3 Receiver.  It is software 
compatible with the SiI9133 but adds audio support for DTM-HD and 
Dolby TRUEhd. Digital televisions that can display 10/12-bit color depth 
can now provide the highest quality protected digital audio/video over a 
single cable. 
SiI9125 can receive deep color video up to 12-bit, 1080p&60Hz. Back-
ward compatibility with DVI 1.0 allows HDMI systems to connect to exist-
ing DVI1.0 hosts, such as HD set-top boxes and PCs.  The main features 
of this IC  has the following. 
1) Dual-input HDMI 1.3, HDCP 1.1, and DVI 1.0 compliant Receiver.
2) Integrated TMDS core running at 25-225MHz.
3) Digital video interface supports video processors; 
•36-bit RGB/YCbCr 4:4:4 •16/20/24-bit YcbCr 4:2:2 •8/10/12-bit YCbCr 
4:2:2
 2/19
8
IC4303
VHISII9134+-1Q
HDMI_Transmitt
er
The SiI9134 is an advanced HDMI 1.3 transmitter designed for next gen-
eration Blu-Ray and HD-DVD players and recorders that require high-def-
inition audio and Deep Color capabilities.
SiI9134 supports up to 1080p resolution at 60Hz and 36-bit color depth 
and DolbyR True HD and DTS-HD high bit-rate audio formats to deliver a 
rich digital video and audio experience.
 3/19
9
IC8101
RH-IXC372WJQZ
Video Proces-
sor and CPU 
This IC is Video Processor and MAIN CPU. 
In this IC, the decod processing and the video signal processing are done. 
Moreover, OSD is generated here and added to a picture signal.
 4/19
10
IC8301/02
RH-IXC505WJQZ
DDR2 512Mb 
SDRAM
This IC is 512Mb DDR2 SDRAM and VDD voltage is 1.8V 
± 0.1V.
This IC operates as a memory of IC8101 (Video Processor). ***
 5/16
11
IC8701
VHIS29GL256-1Q
256Mb-Flash 
memory
This IC is 256Mbit Flash memory.  It memorizes the program and broad-
cast data area.
 6/19
12
IC8703
VHIBR24S64M-1Y 64K E2PROM
This IC is 64K bit serial E2PROM of 8K word *8K bit configuration.
As for this IC, the data of a portion with which IC8101 (Video Decoder) is 
processing is saved.
 6/19
13
IC8704
VHIAK8131C+-1Y
CLOCK-GEN-
ERATOR
This IC is a multi-clock generator with VCXO. 
In this model, it is used as the standard oscillator of CPU, CPLD, and CI.
 6/19
TU-X1E/RU
7 – 2
14
IC2003
RH-IXC331WJQZ
MONITOR 
MICON 
M16C/64CEC
This IC is a 16-bit monitor microcomputer which carries M16C/60 series 
CPU core .  In this IC, detection of the STB key unit, control of the 
POWER signal, control of the FAN, control of the 5V, INV control, etc. are 
performed. Moreover, detection of the error about the power supply in 
MAIN board and power supply management of the MAIN part are per-
formed.
 7/19
15
IC2006
VHIBR24L08M-1Y
8K E2PROM
This IC is 8K bit serial E2PROM of 1024 word *8K bit configuration.
This IC saves the data of a portion with which IC2003 (MONITOR-
MICON) is processing.
 7/19
16
IC2007/08
VHILCX125FT-1Y
BUS BUFFER
This IC is 3 state buffer of the low voltage drive.
If 3 State control input (OE#) is made into "H", an output will be in a float-
ing (high impedance) state.
 7/19
17
IC9103
RH-
iXC121WJQZQ
CPLD
This IC performs the CPLD (Complex Programmable Logic Device).  A 
MUTE signal, a RESET signal, I/O processing, HDMI detection process-
ing, etc. are controlled by this IC.
 8/19
18
IC4405
VHILCX245FT-1Y
BUS TRAN-
CEIVER
 This IC is a low voltage (3.3V) CMOS 8bit bidirectional transceiver. When 
setting the transmission direction change input DIR to “H”, the A bus is 
switched to input and the B bus is changed to output; if the DIR is set to 
“L”, the B bus is switched to input and the A bus is changed to output. 
When setting the enable input OE to “H”, both A and B buses enter the 
high impedance state. In this equipment, it used to switch bus of the data 
from CI-CARD. 
 9/19
19
IC4404/08
VHILCX573FT-1Y
D_TYPE_LATC
H
This IC is CMOS 8 bit D type latch of the low voltage drive. 
This IC is composed by the independent latch in 8 bits controlled by latch 
enable signal (LE) and output enable (OE). 
If an enabling input (OE#) is made into "H", an output will be in a floating 
(high impedance) state.
 9/19
20
IC4409
VHILCX244FT-1Y
BUS BUFFER
This IC is CMOS 8 bit bus buffer of the low voltage drive. 
3 state control input is every 4 bits, is common, and either dual 4 bit com-
position or the single 8 bit composition can be used. 
If an enabling input (OE#) is made into "H", an output will be in a floating 
(high impedance) state.
 9/19
21
IC7001
RH-
IXC595WJQZQ
CI-Interface
This is a control IC for PCMCIA cards. This controls information on  IC 
cards inserted into the PCMCIA card slot (SC9101) or information on soft-
ware version upgrade cards saved on flash memories to transfer the data 
to CPUs and memories.
 11/19
22
IC2403
VHIIM3221EIP
RS-232C-
RECEI/DRIV
The MAX3221E is a single driver, single receiver RS-232 solution operat-
ing from a single Vcc supply. The RS-232 pins provide IEC G1000-4-2 
ESD Protection. The device meets the requirements of TIA/EIA-232-F and 
provides the electrical interface between an asynchronous communication 
controller and the serial-port connector. 
 12/19
23
IC2402
VHILCX157FT-1Y
MULTIPLEXER
TC74LCX157FT is a CMOS multiplexer of a low-voltage (3.3V) drive.
In this model, It is used for a RS-232C signal changing whether it is in PC 
or a VIDEO signal state.
 12/19
24
IC1803
/1804
VHIL6726A++-1Y
PWM_CONTRO
LLER
L6726A is a single-phase step-down controller with integrated high-cur-
rent drivers that provides complete control logic, protections and refer-
ence voltage to realize in an easy and simple way general DC-DC 
converters by using a compact SO-8 package. In this model, D1.1V, and 
D1.0V which are used within MAIN board are generated.
 14/19
25
IC1807/05/08
VHILV5805M+-1Y
1CH-SW-REG
This IC is a 1CH step down switching regulator.
In this model, D3.3V, D5V and D1.8V which are used within MAIN board 
are generated.
 14/19
26
IC1806
VHIMP2367DE-1Y
STEPDOWN-
CONV
This IC is a monolithic non-synchronous step-down regulator. In this 
model, The 7.4V drive power supply for driving FAN  is generated. 
 14/19
27
IC1801
VHIBH33FB1G-1Y BU3.3V-REG
BHOOFB1WHFV/G series are high-performance LDO CMOS regulators 
with 150mA output that yields 
±1% of high-accuracy output voltage. In this 
model, BU3.3V which is used within MAIN board are generated.
 14/19
28
IC1910
VHILTC1154+-1Y
5V-REG
It is power supply IC for supplying the object 5V for the wireless transmis-
sion units of an option. It has short circuit detection and a thermal shut-
down function. .
 14/19
29
IC5001
RH-IXC446WJZZ
H264-
DECODER
This IC is digital-signal-processing IC at the time of satellite broadcasting 
reception.
Decoding processing, *** processing, etc. are performed by this IC.
 15/19
30
IC5201/02
RH-IXC187WJQZ
512M-SDRAM 
DDR400
This IC is 512Mb DDR2 SDRAM and VDD voltage is 2.5V 
± 0.2V.
In this model, This IC operates as a memory of IC5001 (H264-
DECODER)
 16/19
NO
REF NO
Name
Part Code
Description
Draw-
ing No
TU-X1E/RU
7 – 3
31
IC5203/04
RH-IXC525WJQZ
256M-SDRAM 
DDR400
This IC is 256Mb DDR2 SDRAM and VDD voltage is 2.5V 
± 0.2V.
In this model, This IC operates as a memory of IC5001 (H264-
DECODER)
 16/19
32
IC5303
RH-IXC527WJQZ
64M-FLASH
This IC is 64Mb-FLASH MEMORY IC.
In this IC, the program data of IC5001 (H264-DECODER) is saved.
 17/19
33
IC5301
VHISII9185-1Q
HDMI_switch
The SiI9185A is the first generation on of TMDS switch device supporting 
Revision 1.3 of the HDMI Specification (HDMI Consortium; June 2006). 
With three HDMI inputs and a single output, the SiI9185A provides a low-
cost method of adding additional HDMI ports to the latest Digital TVs.  The 
main features of this IC  has the following. 
1) Three-input, single-output HDMI switch.
2) Integrated TMDS receiver and transmitter core capable of receiving 
and transmitting 2.25 Gbps;.
•Supports video resorutions up to 1080p, 60Hz, 12-bit or 720p/1080i, 
120Hz, 12-bit.   
•DVI 1.0, HDCP 1.1 and HDMI 1.3 compliant receiver and transmitter.   
 17/19
34
IC5304
VHIBR24L02M-1Y
2K E2PROM
This IC is a 2Kbit-2-wire (I2C bus type) serial EEPROM that can be pro-
grammed electrically. The EEPROM chip stores the EDID data of HDMI3 
input. This data is controlled through I2C signals.
 17/19
35
IC4602
RH-IXC423WJQZ
FPGA
This IC is FPGA IC. By this IC, processing of format conversion etc. is 
mainly performed and it sends to IC4804 (HDMI-TRANSMITTER).
 18/19
36
IC4604
RH-IXC424WJQZ
PROM 
This IC is PROM IC. The data of IC4602 (FPGA) is saved by this IC.
 18/19
37
IC4801
VHIR1173S33-1Y
Voltage Reg.
This IC is the voltage regulator designed so that a big output could be 
taken also on voltage with small input-and-output voltage. In this model, 
1.8V regulator is generated from a 3.3v input power supply.
 19/19
38
IC4804
VHISII9134+-1Q
HDMI_Transmitt
er
The SiI9134 is an advanced HDMI 1.3 transmitter designed for next gen-
eration Blu-Ray and HD-DVD players and recorders that require high-def-
inition audio and Deep Color capabilities.
SiI9134 supports up to 1080p resolution at 60Hz and 36-bit color depth 
and DolbyR True HD and DTS-HD high bit-rate audio formats to deliver a 
rich digital video and audio experience.
 19/19
[TERMINAL UNIT]
1
IC503
VHIMM1783CQ-
1Q
A/V Switch with 
I2C bus.
This IC is AW-SW IC. By this IC, it is used in order to switch each AV 
incoming signal, such as a tuner and an external signal, to a required 
incoming signal.
2
IC1302
VHISTV8357F-1Q
S_PROCESSO
R
This IC is the audio signal processing IC with a multi standard demodula-
tor that can convert not only A2 but also the NICAM method. 
3
IC1311
VHIAK4384ET-1Q
24bit-DAC
This IC is 24bit DAC. In this IC, it is used in order to change the digital 
audio signal in terrestrial digital broadcasting or digital satellite broadcast-
ing into an analog signal.
4
IC1304
VHIAK4683EQ-1Q AUDIO CODEC
This IC is audio CODEC IC. In this IC, signal processing is carried out so 
that an audio signal may be outputted by optical communications.
5
IC1301/06/09
VHITPA5050R-1Y
A-DELAY
This IC is IC for the audio delay to correct phase shift of the video signal 
and the audio signal. 
6
IC1312
VHIWM8983++-
1Q
AUDIO CODEC
This IC is audio CODEC IC. In this IC, signal processing is carried out so 
that an audio signal may be outputted by an earphone.
[TUNER UNIT]
1
IC7508
VHIDRX3913K-1Q
COFDM-
DEMOD
This IC is a demodulator which changes the signal of all the systems, 
such as not only a DVB-T system but a DVB-C system, into the level 
which can carry out signal processing.
2
IC7903
RH-IXC563WJQZ
LNB supply and 
control
It is IC for amplifying the feeble electric wave sent from satellite broadcast-
ing on the level which can treat a decoder, and changing and processing a 
signal.
3
IC7906
VHILCX157FT-1Y
2CH-Multiplexer
This IC is a multiplexer for switching the signal of a terrestrial digital signal, 
and the signal of digital satellite broadcasting.
NO
REF NO
Name
Part Code
Description
Draw-
ing No
TU-X1E/RU
7 – 4
[2] MAIN UNIT
1. VHISII9185+-1Q 3:1 HDMI 1.3 Switch
Pin No.
Pin Name
I/O
Pin Function
System Switching Pins
30,
50,
70
DSDA0,
DSDA1,
DSDA2 
I/O
DDC I2C Data for respective port.
31,
51,
71
DSCL0,
DSCL1,
DSCL2 
I
DDC I2C Clock for respective port.
32,
52,
72
RPWR0,
RPWR1,
RPWR2
I
5V Port detection input for respective port.
Connect to 5V signal from HDMI input connector.
16,
36,
56 
HPD0,
HDP1,
HPD2 
O
Hot Plug Detect Output for respective port.
Connect to HOTPLUG of HDMI input connector. 
76
HPDIN
I
Hot Plug Detect Input.
78
TSCL
O
Master DDC I2C Clock (Open Drain Output) to HDMI receiver.
I2C transactions required for HDCP operation are performed over this I2C bus. 
77
TSDA
I/O
Master DDC Data (Open drain output.) to HDMI receiver. I2C transactions required 
for HDCP operation are performed over this I2C bus.
Configuration Pins
79
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 
selected Rx-port has 5V present. When none of the Rx ports are selected, this signal 
is low.
35
I2CSEL/INT#
I/O
I2C Selection input / Interrupt output pin.
When RESET# is low, this pin is used as an input to latch the External Port Detection 
signal. The level on this pin is latched when the RESET# pin transitions from low to 
high. When this pin is low during reset, the external pins EPSEL1/LSCL and EPSEL0/
LSDA are used to select the Rx-port as EPSEL[1:0].
When this pin is high during reset, the internal local I2C register is used to select the 
Rx-port.
75
RSVDL
I
Reserved for use by Silicon Image and must be tied low.
Control Pins
13
RESET#
I
Reset Pin (Active LOW). Certain configuration inputs are latched when RESET# tran-
sitions from low to high.
15
LSCL/EPSEL1
I
Local I2C Clock / External Port Select 1. When I2CSEL is high, this becomes the 
Local I2C bus clock pin, LSCL. When I2CSEL is low, this becomes the external port 
select pin, EPSEL1. True open drain, so does not pull to ground if power not applied. 
An external pull-up is required.
14
LSDA/EPSEL0
I/O
Local I2C Data / External Port Select 0. When I2CSEL is high, this becomes the Local 
I2C bus data pin, LSDA. When I2CSEL is low, this becomes the external port select 
pin, EPSEL0. True open drain, so does not pull to ground if power not applied. An 
external pull-up is required.
CEC Pins
54
CEC_A
I/O
HDMI compliant CEC I/O used to interface to CEC devices. 
CEC electrically compliant signal. This pin connects to the CEC signal of all HDMI 
connectors in the system. As an input, the pad acts as a LVTTL Schmitt triggered 
input and is 5V tolerant. As an output, the pad acts as an NMOS driver with resistive 
pull-up. This pin has an internal pull-up resistor.
53
CEC_D
I/O
CEC interface to local system. True open-drain. An external pull-up is required. This 
pin typically connects to the local CPU.
Differential Signal Data Pins
22
R0X0+
I
TMDS input Port 0 data pairs.
21
R0X0-
I
25
R0X1+
I
24
R0X1-
I
28
R0X2+
I
27
R0X2-
I
19
R0C+
I
TMDS input Port 0 clock pair.
18
R0C-
I
TU-X1E/RU
7 – 5
42
R1X0+
I
TMDS input Port 1 data pairs.
41
R1X0-
I
45
R1X1+
I
44
R1X1-
I
48
R1X2+
I
47
R1X2-
I
39
R1C+
I
TMDS input Port 1 clock pair.
38
R1C-
I
62
R2X0+
I
TMDS input Port 2 data pairs.
61
R2X0-
I
65
R2X1+
I
64
R2X1-
I
68
R2X2+
I
67
R2X2-
I
59
R2C+
I
TMDS input Port 2 clock pair.
58
R2C-
I
7
TX0+
O
TMDS output data pairs.
8
TX0-
O
4
TX1+
O
5
TX1-
O
1
TX2+
O
2
TX2-
O
10
TXC+
O
TMDS output clock pair. 
11
TXC-
O
12
EXT_SWING
I
Voltage Swing Adjust. A resistor tied from this pin to AVCC18 determines the ampli-
tude of the voltage swing. The recommended value is 750?.
Power and Ground Pins
23, 43, 55, 63
AVCC33 
---
Analog VCC. Connect to 3.3V supply.
6, 17, 29, 37, 49, 
57, 69 
AVCC18 
---
Analog VCC. Connect to 1.8V supply. 
3, 9, 20, 26, 40, 
46, 60, 66, 80 
AGND 
---
Analog GND.
33, 73
DVCC18 
---
Digital VCC. Connect to 1.8V supply. 
34, 74 
DGND 
---
Digital GND. 
Pin No.
Pin Name
I/O
Pin Function

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