Sharp LC-40SH340K - 28 Printed Wiring Board

Sharp LC-40SH340K

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90

LC-40SH340E

LC-40SH340K

28. PRINTED WIRING BOARD

Main Unit PWB Top Side

Table of Contents

Default Chapter1
- Service Manual1
- Table of Contents2
- Electrical Specifications5
- Safety Notice6
- Important Service Safety Precaution6
- Remote Control Buttons9
- Operation Manual9
- Dimensions15
1 Introduction16
- General Block Diagram17
- MB60 Placement of Blocks18
2 Tuner(Tu102)19
- Circuit Descriptions19
- Features of DTOS403LH122X20
- General Description of Samsung DTOS403LH122X20
- Pinning21
3 SAW FILTER - Audio - Epcos K9656M(Z101)22
- Standard22
- Features22
- Pin Configuration22
- Frequency Response23
4 SAW FILTER - Video - Epcos K3958M(Z102)24
- Standard24
- Features24
- Pin Configuration24
- Frequency Response25
5 Audio Amplifier Stage with Azad2102(U163, U164)26
- General Description26
- Features26
- Absolute Ratings27
- Electrical Characteristics27
- Operating Specifications28
- Pinning29
6 Audio Amplifier Stage with Tpa3113(U168)30
- General Description30
- Features30
- Absolute Ratings30
- Electrical Characteristics30
- Operating Specifications31
- Pinning31
7 Power Stage32
- Short CCT Protection Circuit34
- Power Management35
8 Microcontroller - Mstar(U157)37
- General Description37
- General Features37
- MSTAR Block Diagram42
- Reset Circuit42
101 CI Interface43
- Block Diagram43
- CI Interface Power Switch43
10 Usb Interface44
11 Ddr2 Sdram 8M × 4 Banks × 16 Bit (W9751G6Jb) (U154, U155)45
- General Description45
- Features45
- Electrical Characteristics45
- Pinning46
12 Scaler and Lvds Sockets48
- LVDS Sockets Block Diagram48
- Panel Supply Switch Circuit48
13 Nand Flash Memory - Mx25L1005 (U158)50
- General Description50
- Features50
- Absolute Maximum Ratings50
- Pinning50
14 Nand Flash Memory - Nand512Xxa2C (U162)51
- General Description51
- Features51
- Pinning52
15 USB2.0 to Fast Ethernet - ASIX AX88X72A (U171)53
- General Description53
- Features53
- Block Diagram54
- Pinning54
16 Lm1117(U175, U180, U181)55
- General Description55
- Features55
- Applications55
- Absolute Maximum Ratings55
- Pinning55
17 Mp2012 (U176)56
- General Description56
- Features56
- Pinning56
18 Rta8283A (U23, U173)57
- General Description57
- Features57
- Pinning58
19 Mp1583 (U174)59
- General Description59
- Features59
- Pinning59
20 Fdc64260
- General Description60
- Features60
- Pinning60
21 Fdc60461
- General Description61
- Features61
- Pinning61
22 Connectors62
- Scart (Sc1)62
- Hdmi (Cn707,Cn708)62
- Vga (Cn132)63
23 Service Menu Settings64
- Video Settings65
- Audio Settings65
- Options66
- Tuning Settings67
- Source Settings67
- Diagnostic68
- USB Operations68
24 Software Update69
25 Troubleshooting70
- No Backlight Problem70
- CI Module Problem72
- Led Blinking Problem73
- IR Problem74
- Keypad Touchpad Problems75
- USB Problems76
- No Sound Problem77
- No Sound Problem at Headphone77
- Standby On/Off Problem77
- No Signal Problem78
26 Overal Wiring Diagram79
27 Schematic Diagrams80
28 Printed Wiring Board90
29 Replacement Parts List91
30 Cabinet and Mechanical Parts Listing101

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