DOWNLOAD Sharp LC-40LE361E Service Manual ↓ Size: 27.43 MB | Pages: 127 in PDF or view online for FREE

Model
LC-40LE361E
Pages
127
Size
27.43 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
lc-40le361e.pdf
Date

Sharp LC-40LE361E Service Manual ▷ View online

33
LC-32/40LE361
LC-32/40LE360
LC-32/40LE362
LC-32/40LE363
b. Features   
• Audio Input/Output   
•    TAS5717 Supports 2×10 W and TAS5719 Supports 2×15 W Output.   
•    Wide PVDD Range, From 4.5 V to 26 V.   
•    Efficient Class-D Operation Eliminates Need for Heat sinks.   
•    Requires Only 3.3 V and PVDD.   
•    One Serial Audio Input (Two Audio Channels).   
•    I2C Address Selection via PIN (Chip Select).   
•    Supports 8-kHz to 48-kHz Sample Rate (LJ/RJ/I2S).   
•    External Headphone-Amplifier Shutdown Signal.   
•    Integrated CAP-Free Headphone Amplifier.   
•    Stereo Headphone (Stereo 2-V RMS Line Driver) Outputs.   
• Audio/PWM Processing   
•    Independent Channel Volume Controls With 24-dB to Mute.   
•    Programmable Two-Band Dynamic Range Control.   
•    14 Programmable Biquads for Speaker EQ.   
•    Programmable Coefficients for DRC Filters.   
•    DC Blocking Filters.   
•    0.125-dB Fine Volume Support.   
• General Features   
•    Serial Control Interface Operational Without MCLK.   
•    Factory-Trimmed Internal Oscillator for Automatic Rate Detection.   
•    Surface Mount, 48-Pin, 7-mm × 7-mm HTQFP Package.   
•    AD, BD, and Ternary PWM-Mode Support.   
•    Thermal and Short-Circuit Protection.   
• Benefits 
•  EQ: Speaker Equalization Improves Audio Performance 
•  DRC: Dynamic Range Compression. Can Be Used As Power Limiter. Enables Speaker 
Protection, Easy Listening, Night-Mode Listening. 
•  Direct Path Technology: Eliminates Bulky DC Blocking Capacitors. 
•    Stereo Headphone/Stereo Line Drivers: Adjust Gain via External Resistors, Dedicated Active 
Headphone Mute Pin, High Signal-to-Noise Ratio. 
•  Two-Band DRC: Set Two Different Thresholds for Low- and High-Frequency Content.   
 
 
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LC-32/40LE361
LC-32/40LE360
LC-32/40LE362
LC-32/40LE363
c. Pin descriptions and functions   
Table 2: Pin functions   
35
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LC-32/40LE360
LC-32/40LE362
LC-32/40LE363
 
 
 
 
 
 
 
 
 
 
 
Figure 2: Pin Descriptions   
 
 
 
 
 
 
 
 
 
 
Table 3: Recomnended operating conditions
 
 
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LC-32/40LE361
LC-32/40LE360
LC-32/40LE362
LC-32/40LE363
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Table 4: Recommended operating conditions   
 
 
C. HEADPHONE AMPLIFIER STAGE
 
Headphone is a SoC (single on chip) configuration in mainboard, design scheme is shown in figure 4.     
 
 
Figure 4: Headphone   
 
 
 
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