DOWNLOAD Sharp LC-26SH7E Service Manual ↓ Size: 21.71 MB | Pages: 127 in PDF or view online for FREE

Model
LC-26SH7E
Pages
127
Size
21.71 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
lc-26sh7e.pdf
Date

Sharp LC-26SH7E Service Manual ▷ View online

         2008-03-14 
LC-19S7E-BK LC-26S7E-BK LC-32S7E-BK 
 49 
 DDC Repeater Function –– LPClaDsma 
<2 mW Low-Power Mode – DLP® 
Local I2C or GPIO Configurable 
Enhanced ESD. HBM: 10 kV on All Input TMDS, DDC I2C, HPD Pins 
3.3-Volt Power Supply 
Temperature Range: 0°C to 70°C 
64-Pin TQFP Package: Pin-Compatible With TMDS251 
Robust TMDS Receive Stage That Can Work With Non-Compliant Input Common-Mode HDMI Signal 
1.4. U1901,U1201,U6101,U6103 (DRV601RTJR) 
General description 
The DRV601 is a stereo line driver designed to allow the removal of the output dc-blocking capacitors for reduced component count and cost. The 
device is ideal for single supply electronics where size and cost are critical design parameters. 
The DRV601 is capable of driving 2 Vrms into a 600-Ω load at 3.3 V. The device has external gain setting resistors, that support a gain range of -
1V/V to -10V/V, and line outputs that has ±8-kV IEC ESD protection. The device has independent shutdown control for the right and left audio 
channels. 
The DRV601 is available in a 4 mm ´ 4 mm Thin QFN package. 
Features 
External Gain Setting Resistors 
        Space Saving Package 
-20-Pin, 4 mm ´ 4 mm Thin QFN, Thermally Optimized PowerPAD™ Package 
Ground-Referenced Outputs Eliminate DC-Blocking Capacitor 
-Reduce Board Area 
-Reduce Component Cost 
-Improve THD+N Performance 
-No Degradation of Low-Frequency Response Due to Output Capacitors 
Wide Power Supply Range: 1.8 V to 4.5 V 
2 Vrms/Ch Output Voltage into 600 Ω at 3.3 V supply 
Independent Right and Left Channel Shutdown Control 
Short-Circuit and Thermal Protection 
Pop Reduction Circuitry 
Applications 
         Set-Top Boxes 
CD / DVD Players 
DVD-Receivers 
HTIB 
PDP / LCD TV's 
1.5. U7101 (TPS62203DBVRG4) 
DESCRIPTION 
The TPS6220x devices are a family of high-efficiency
 
synchronous step-down converters ideally suited for
 
portable systems powered by 1-cell Li-Ion 
or 3-cell
 
NiMH/NiCd batteries. The devices are also suitable
 
to operate from a standard 3.3-V or 5-V voltage rail. 
         With an output voltage range of 6 V down to 0.7 V and up to 300 mA output current, the devices are ideal to power low voltage DSPs and processors 
used in PDAs, pocket PCs, and smart phones.  
         Under Nominal load current,the devices operate with a fixed switching frequency of typically 1 MHz .At light load currents,the part enters the power 
save mode operation,the switching frequency is reduced and quiescent current is typically  only 15uA;therefore, it achieves the highest  efficiency 
over the entire load current range.The TPS 6220X needs only three small external components.Together with the SOT23 package,a minimum 
system solution size is achieved.An advanced fast response voltage mode control scheme achieves superior line and load regulation with small 
ceramic input  and output capacitors. 
 
 
 
 
FEATURES 
LC-19S7E-BK LC-26S7E-BK LC-32S7E-BK 
 
50  
           High Efficiency Synchronous Step-Down Converter With up to 95% Efficiency 
           2.5-V to 6-V Input Voltage Range 
           Adjustable Output Voltage Range From 0.7 V to V1 
Fixed Output Voltage Options Available 
        
 Up to 300 mA Output Current 
             -MHz Fixed Frequency PWM Operation
 
         
Highest Efficiency Over Wide Load Current Range Due to Power Save Mode 
15-μA Typical Quiescent Current 
         
Soft Start 
100% Duty Cycle Low-Dropout Operation 
Dynamic Output-Voltage Positioning 
Available in a 5-Pin SOT23 Package 
APPLICATIONS 
PDAs and Pocket PC 
             Cellular Phones, Smart Phones 
Low Power DSP Supply 
Digital Cameras 
Portable Media Players 
Portable Equipment 
1.6. U7103 (SC4524BSETRT) 
DESCRIPTION  
             The SC4524B is a constant frequency peak current-mode step-down switching regulator capable of producing 2A output current from an input 
ranging from 3V to 16V. The switching frequency of the SC4524B is programmable up to 2MHz, allowing the use of small inductors and ceramic 
capacitors for miniaturization, and high input/output conversion ratio. The SC4524B is suitable for next generation XDSL modems, high-definition 
TVs and various point of load applications. 
Peak current-mode PWM control employed in the SC4524B achieves fast transient response with simple loop compensation. Cycle-by-cycle 
current limiting and hiccup overload protection reduces power dissipation during output overload. Soft-start function reduces input start-up current 
and prevents the output from overshooting during power-up. 
FEATURES
 
        Wide input range: 3V to 16V 
2A Output Current  
200kHz to 2MHz Programmable Frequency 
Precision 1V Feedback Voltage 
Peak Current-Mode Control 
Cycle-by-Cycle Current Limiting 
Hiccup Overload Protection with Frequency Foldback 
Soft-Start and Enable 
Thermal Shutdown 
Thermally Enhanced 8-pin SOIC Package 
Fully RoHS and WEEE compliant 
APPLICATIONS 
XDSL and Cable Modems 
Set Top Boxes 
Point of Load Applications 
CPE Equipment 
DSP Power Supplies 
LCD and Plasma TVs  
1.7. U1801 (STMPS2171STR SOT23-5L)
 
DESCRIPTION  
              The STMPS2141, STMPS2151, STMPS2161,STMPS2171 power distribution switches are intended for applications where heavy capacitive 
loads and short circuits are likely to be encountered. These devices incorporate 90 mΩ N-channel MOSFET high-side power switches for power- 
distribution. These switches are controlled by a logic enable input. 
         2008-03-14 
LC-19S7E-BK LC-26S7E-BK LC-32S7E-BK 
 51 
FEATURES 
90 mΩ high-side MOSFET switch 
500/1000 mA continuous current  
Thermal and short-circuit protection with overcurrent logic output 
Operating range from 2.7 V to 5.5 V 
CMOS- and TTL-compatible enable inputs 
Undervoltage lockout (UVLO) 
12 μA maximum standby supply current 
Ambient temperature range, -40°C to 85°C 
8 kV ESD protection 
Reverse current protection 
Fault-blanking 
1.8. U1602,U1401,U1501 (IC AT24C02BN-SH-T 8-SOIC) 
DESCRIPTION  
              The AT24C02B provides 2048 bits of serial electrically erasable and programmable read-only memory (EEPROM) organized as 256 words of 8 
bits each. The device is optimized for use in many industrial and commercial applications where low-power and low-voltage operation are 
essential. The AT24C02B is available in space-saving 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Ultra-Thin Mini-MAP (MLP 2x3), 5-lead SOT23, 
8-lead TSSOP, and 8-ball dBGA2 packages and is accessed via a Two-wire serial interface. In addition, the AT24C02B is available in 1.8V (1.8V 
to 5.5V) version. 
FEATURES 
  Low-voltage and Standard-voltage Operation 
 1.8 (VCC = 1.8V to 5.5V) 
Internally Organized 256 x 8 (2K) 
Two-wire Serial Interface 
Schmitt Trigger, Filtered Inputs for Noise Suppression 
Bidirectional Data Transfer Protocol 
1 MHz (5V), 400 kHz (1.8V, 2.5V, 2.7V) Compatibility 
Write Protect Pin for Hardware Data Protection 
8-byte Page (2K) Write Modes 
Partial Page Writes Allowed 
Self-timed Write Cycle (5 ms max) 
High-reliability 
 Endurance: 1 Million Write Cycles 
 Data Retention: 100 Years 
8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Ultra-Thin Mini-MAP (MLP 2x3), 5-lead SOT23, 8-lead TSSOP and 8-ball dBGA2 Packages 
Lead-free/Halogen-free 
Available in Automotive 
Die Sales: Wafer Form, Waffle Pack and Bumped Wafers 
1.9. U4402 (W25X16AVSSIG SO-8 208mil) 
DESCRIPTION  
The W25X16A (16M-bit) Serial Flash memory provide a storage solution for systems with limited space, pins and power. The 25X series offers 
flexibility and performance well beyond ordinary Serial Flash devices. They are ideal for code download applications as well as storing voice, text 
and data. The devices operate on a single 2.7V to 3.6V power supply with current consumption as low as 5mA active and 1μA for power-down. 
All devices are offered in space-saving packages. 
The W25X16A array is organized into 8,192 programmable pages of 256-bytes each. Up to 256 bytes can be programmed at a time using the 
Page Program instruction. Pages can be erased in groups of 16 (sector erase), groups of 256 (block erase) or the entire chip (chip erase). The 
W25X16A has 512 erasable sectors and 32 erasable blocks. The small 4KB sectors allow for greater flexibility in applications that require data 
and parameter storage. (See figure 2.) 
The W25X16A supports the standard Serial Peripheral Interface (SPI), and a high performance dual output SPI using four pins: Serial Clock, Chip 
Select, Serial Data I/O and Serial Data Out. SPI clock frequencies of up to 100MHz are supported allowing equivalent clock rates of 200MHz 
when using the  Fast Read Dual Output instruction. These transfer rates are comparable to those of 8 and 16-bit Parallel Flash memories. 
A Hold pin, Write Protect pin and programmable write protect, with top or bottom array control features, provide further control flexibility. 
LC-19S7E-BK LC-26S7E-BK LC-32S7E-BK 
 
52  
Additionally, the device supports JEDEC standard manufacturer and device identification. 
FEATURES 
Family of Serial Flash Memories 
– W25X16A: 16M-bit / 2M-byte (2,097,152) 
– 256-bytes per programmable page 
– Uniform 4K-byte Sectors / 64K-byte Blocks 
SPI with Single or Dual Outputs 
– Clock, Chip Select, Data I/O, Data Out 
– Optional Hold function for SPI flexibility 
Data Transfer up to 200M-bits / second 
– Clock operation to 100MHz 
– Fast Read Dual Output instruction 
– Auto-increment Read capability 
Flexible Architecture with 4KB sectors 
– Sector Erase (4K-bytes) 
– Block Erase (64K-byte) 
– Page program up to 256 bytes <2ms 
– More than 100,000 erase/write cycles 
– More than 20-year data retention 
Low Power Consumption,Wide Temperature Range 
– Single 2.7 to 3.6V supply 
– 5mA active current, 1μA Power Down(typ) 
– -40° to +85°C operating range 
Software and Hardware write Protection  
– Write-Protect all or portion of memory  
– Enable/Disable protection with /WP pin 
– Top or bottom array protection 
Space Efficient Packaging 
– 8-pin SOIC 150-mil 
– 8-pin SOIC 208-mil 
– 8-pin PDIP 300-mil 
– 16-pin SOIC 300-mil 
– 8-pad WSON 6x5-mm 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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