Sharp LC-32LE240EV - PRINTED WIRING BOARD

Sharp LC-32LE240EV

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78

LC-22LE240

LC-40LE240

24. PRINTED WIRING BOARD

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Table of Contents

Default Chapter2
- Table of Contents2
- Specifications5
- Safety Notice7
- Important Service Safety Precaution7
  - End of Life Disposal9
  - Remote Control Buttons10
- Operation Manual10
- Dimensions16
- Dimensional Drawings17
Introduction18
- General Block Diagram19
- MB60 Placement of Blocks20
1 Tuner(Tu3)21
- General Description of Sony RE21621
- Circuit Descriptions21
2 Audio Amplifier Stage with Azad2102(U163, U164)23
- General Description23
- Features23
- Absolute Ratings24
  - Electrical Characteristics24
  - Operating Specifications25
- Pinning25
3 Audio Amplifier Stage with Tpa3113(U168)26
- General Description26
- Features26
- Absolute Ratings26
  - Electrical Characteristics26
  - Operating Specifications27
- Pinning27
4 Power Stage28
- Power Block Diagram29
- Power Management31
5 Microcontroller - Mstar(U5)33
- General Description33
- MSTAR Block Diagram37
- Reset Circuit37
101 CI Interface38
7 Usb Interface38
8 Ddr2 Sdram K4T1G146Qf ( U155 )39
- General Description39
- Features39
- Pinning40
9 Scaler and Lvds Sockets41
- LVDS Sockets Block Diagram41
- Panel Supply Switch Circuit41
10 Spi Flash Memory - Mx25L1005 (U158)42
- General Description42
- Features43
- Absolute Maximum Ratings43
- Pinning43
11 Nand Flash Memory - Nand512Xxa2C (U162)44
- General Description44
- Features44
- Pinning45
12 Lm1117(U175, U180, U181)46
- General Description46
- Features46
- Applications46
- Absolute Maximum Ratings46
- Pinning46
13 Mp2012 (U176)47
- General Description47
- Features47
- Pinning47
14 Rta8283A (U23, U173)48
- General Description48
- Features48
- Pinning48
15 Mp1583 (U174)49
- General Description49
- Features49
- Pinning49
16 Fdc64250
- General Description50
- Features50
- Pinning50
17 Fdc604P51
- General Description51
- Features51
- Pinning51
18 Connectors51
- Scart (Sc1)51
- Hdmi (Cn707,Cn708)52
- Vga (Cn132)52
19 Service Menu Settings53
- Video Settings54
- Audio Settings54
- Options55
- Tuning Settings56
- Source Settings56
- USB Operations57
20 Software Update58
21 Troubleshooting59
- No Backlight Problem59
- CI Module Problem60
- Led Blinking Problem62
- IR Problem63
- Keypad Touchpad Problems64
- USB Problems64
- No Sound Problem65
- No Sound Problem at Headphone65
- Standby On/Off Problem66
- No Signal Problem66
22 Overall Wiring Diagram67
23 Schematic Diagrams69
24 Printed Wiring Board78
25 Replacement Parts Listing79
26 Cabinet and Mechanical Parts Listing99
- Sharp Corporation104

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