Read Sharp LC-30HV4E (serv.man9) Service Manual online
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LC-30HV4E
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IC1901 (IXA392WJ)
FPGA for synchronous processing
This IC selects synchronization signals and creates horizontal blanking signals.
FPGA for synchronous processing
This IC selects synchronization signals and creates horizontal blanking signals.
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IC604 (TA1318AF)
IC for synchronous processing of TV component signals and measurement of frequency.
This IC incorporates an input signal frequency measurement feature and synchronous regeneration features.
It supports synchronous horizontal regeneration (15.75 KHz, 31.5 KHZ, 33.75 KHz and 45 KHz) and synchronous
vertical regeneration (525I, 525P, 625I and 750P).
IC for synchronous processing of TV component signals and measurement of frequency.
This IC incorporates an input signal frequency measurement feature and synchronous regeneration features.
It supports synchronous horizontal regeneration (15.75 KHz, 31.5 KHZ, 33.75 KHz and 45 KHz) and synchronous
vertical regeneration (525I, 525P, 625I and 750P).
PC I/F board side
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IC4 (CX3506R)
3-channel, 8-bit, 120 MSPS A/D converter incorporating AMP and PLL.
This IC is for video signals inputted to the IF board and used for one-screen and two-screen applications, and
for PC signals inputted to the front panel.
It provides A/D conversion of video signals (analog RGB) inputted to IN1 from CN6 and PC signals (analog
RGB) inputted to IN2 from CN8.
Converted digital signals are sent to IC25.
3-channel, 8-bit, 120 MSPS A/D converter incorporating AMP and PLL.
This IC is for video signals inputted to the IF board and used for one-screen and two-screen applications, and
for PC signals inputted to the front panel.
It provides A/D conversion of video signals (analog RGB) inputted to IN1 from CN6 and PC signals (analog
RGB) inputted to IN2 from CN8.
Converted digital signals are sent to IC25.
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IC310 (TLC5733A)
3-channel, 8-bit, 20 MSPS A/D converter.
This IC is for video signals inputted to the IF board and used for two-screen application.
It provides A/D conversion of video signals (analog YcbCr) inputted to IC310 from CN6.
Converted digital signals are sent to IC25.
3-channel, 8-bit, 20 MSPS A/D converter.
This IC is for video signals inputted to the IF board and used for two-screen application.
It provides A/D conversion of video signals (analog YcbCr) inputted to IC310 from CN6.
Converted digital signals are sent to IC25.
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IC25 (IXA091WJ)
IC for I/P conversion and scaling of digital image according to the output resolution, and for data conversion.
There are two input channel: V0 and V1. V1 is for sub 480i/580i input processing for two-screen application. V0
is for processing all signals for main used for one and two-screen applications.
The IC generates clamp signals based on input synchronization signals.
It also performs data matrix conversion, and creates OSD signals.
Processed signals are sent to IC413.
IC for I/P conversion and scaling of digital image according to the output resolution, and for data conversion.
There are two input channel: V0 and V1. V1 is for sub 480i/580i input processing for two-screen application. V0
is for processing all signals for main used for one and two-screen applications.
The IC generates clamp signals based on input synchronization signals.
It also performs data matrix conversion, and creates OSD signals.
Processed signals are sent to IC413.
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IC413 (SiI170)
Panel link transmitter.
This IC converts 8-bit RGB image data received from IC25 into TMDS differential signals and sends to the
monitor.
Panel link transmitter.
This IC converts 8-bit RGB image data received from IC25 into TMDS differential signals and sends to the
monitor.
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IC1 (IX8270CE)
One-chip RISC microprocessor.
This IC communicates with the monitor and controls the system operation.
It controls all the ICs located in the media receiver.
One-chip RISC microprocessor.
This IC communicates with the monitor and controls the system operation.
It controls all the ICs located in the media receiver.
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IC405 (UPD4721G)
RS-232 line driver/receiver conforming to EIA/TIA-232-E.
This IC enables the system to be controlled from a PC connected to the system.
It also allows IC1 to be upgraded using the PC.
RS-232 line driver/receiver conforming to EIA/TIA-232-E.
This IC enables the system to be controlled from a PC connected to the system.
It also allows IC1 to be upgraded using the PC.
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