Sharp LC-22LE240E - 24. PRINTED WIRING BOARD; PRINTED WIRING BOARD

Sharp LC-22LE240E

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76

LC-22LE240

24. PRINTED WIRING BOARD

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Table of Contents

Default Chapter2
- Table of Contents2
- Specifications5
- Safety Notice6
- Important Service Safety Precaution6
  - End of Life Disposal8
  - Remote Control Buttons9
- Operation Manual9
- Dimensions15
Introduction16
- General Block Diagram17
- MB60 Placement of Blocks18
1 Tuner(Tu3)19
- General Description of Sony RE21619
- Circuit Descriptions19
2 Audio Amplifier Stage with Azad2102(U163, U164)21
- General Description21
- Features21
- Absolute Ratings22
  - Electrical Characteristics22
  - Operating Specifications23
- Pinning23
3 Audio Amplifier Stage with Tpa3113(U168)24
- General Description24
- Features24
- Absolute Ratings24
  - Electrical Characteristics24
  - Operating Specifications25
- Pinning25
4 Power Stage26
- Power Block Diagram27
- Power Management29
5 Microcontroller - Mstar(U5)31
- General Description31
- MSTAR Block Diagram35
- Reset Circuit35
101 CI Interface36
7 Usb Interface36
8 Ddr2 Sdram K4T1G146Qf ( U155 )37
- General Description37
- Features37
- Pinning38
9 Scaler and Lvds Sockets39
- LVDS Sockets Block Diagram39
- Panel Supply Switch Circuit39
10 Spi Flash Memory - Mx25L1005 (U158)40
- General Description40
- Features41
- Absolute Maximum Ratings41
- Pinning41
11 Nand Flash Memory - Nand512Xxa2C (U162)42
- General Description42
- Features42
- Pinning43
12 Lm1117(U175, U180, U181)44
- General Description44
- Features44
- Applications44
- Absolute Maximum Ratings44
- Pinning44
13 Mp2012 (U176)45
- General Description45
- Features45
- Pinning45
14 Rta8283A (U23, U173)46
- General Description46
- Features46
- Pinning46
15 Mp1583 (U174)47
- General Description47
- Features47
- Pinning47
16 Fdc64248
- General Description48
- Features48
- Pinning48
17 Fdc604P49
- General Description49
- Features49
- Pinning49
18 Connectors49
- Scart (Sc1)49
- Hdmi (Cn707,Cn708)50
- Vga (Cn132)50
19 Service Menu Settings51
- Video Settings52
- Audio Settings52
- Options53
- Tuning Settings54
- Source Settings54
- USB Operations55
20 Software Update56
21 Troubleshooting57
- No Backlight Problem57
- CI Module Problem58
- Led Blinking Problem60
- IR Problem61
- Keypad Touchpad Problems62
- USB Problems62
- No Sound Problem63
- No Sound Problem at Headphone63
- Standby On/Off Problem64
- No Signal Problem64
22 Overall Wiring Diagram65
23 Schematic Diagrams66
24 Printed Wiring Board76
25 Replacement Parts Listing77
26 Cabinet and Mechanical Parts Listing86
- Sharp Corporation88

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