Read Sharp LC-37X20E Service Manual online
LC-32X20E/S/RU, LC-37X20E/S/RU
5 – 3
1.17. IC3301 (RH-IXC010WJQZQ)
SVP-WX Video Processor.
• Integrated HDMI Receiver
• Integrated De-interlacing
• Integrated ADC
• SRC (Scan Rate Conversion) Improvement
• PC Auto Tune
• Built-in LVDS Transmitter
• Scaling Engine
• DNR-Digital Noise Reduction Filter
• Advanced Chroma Processing
• Color Management
• RCR (Real Color Reproducer)
• Dynamic Contrast Improvement
• Integrated 3D Digital Comb Video Decoder with Programmable Filter
• Inverse Color Space Conversion (ICSC)
• Frame Rate Conversion
• Fast Blank
• Built-in ADC to decode one FB and two FS signals to support dual SCART solutions
• Teletext
• Memory Interface
• DCR Advanced Image Processing
• Multi Screen Display Mode
• OSD and VBI/Closed Caption
• Advanced OSD Engine
1.18. IC3501-2 (RH-iXC163WJQZQ)
1M x 32Bit x 4 Banks Double Data Rate Synchronous DRA with Bi-directional Data Strobe and DLL.
Video buffer.
1.19. IC2002 (RH-iXB986WJQZQ)
The monitor microprocessor is intended to communicate with the main microprocessor and to operate the system. It also controls power of the entire
system.
system.
1.20. IC7801 (9NK2510067610) L6562DTR
Transition-mode PFC (Power Factor Corrector) controller.
The PFC circuit is adopted to improve the power factor of electricity and total harmonic distortion (THD).
• Realised in BCD (Bipolar-CMOS-DMOS) technology.
• Transition-mode control of Pre-Regulators.
• Proprietary multiplier design for minimum THD (Total Harmonic Distortion) of AC input current.
• Very precise adjustable output Over-voltage protection.
1.21. IC7904 (9NK2510293234) TNY264PN
Enhanced, Energy Efficient, Low Power Off-line Switcher.
It supplies a power supply voltage of BU5V.
• Fully integrated auto restart for short circuit and open loop fault protection saves external component costs
• Built-in circuitry practically eliminates audible noise with ordinary varnished transformer
• Programmable line under voltage detect feature prevents power on/off glitches saves external components
• Frequency jittering dramatically reduces EMI (~10 dB)- minimizes EMI filter component costs
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