3Table of ContentsContent Page Content PageTopics 4 Audio Process Circuit 43New Panel for 2011 - IPS LED LCD 5 SOS Detect (Shutdown) 44Highlights 6 TC-L37DT30 Power LED Diagnostic Codes 452D-3D Conversion 10 TC-L37DT30 Shutdown Circuit Block Diagram 462011 Series/Models 11 TC-L42D30 Power LED Diagnostic Codes 472011 DT30 Series 12 Protection Circuit (TC-L32/37DT30,TC-L42D30) 482011 LCD TV Specifications (1) 13 One Blink of The power LED (TC-L37DT30) 492011 LCD TV Specifications (2) 14 Seven Blinks of The power LED (TC-L37DT30) 50TC-L37DT30 Board Layout 15 Nine Blinks of The Power LED (TC-L37DT30) 51TC-L37DT30 Connectors 16 10, 13 and 14 Blinks of The Power LED (TC-L37DT30) 52TC-L37DT30 T-CON & LED Driver 17 Protection Circuit (TC-L42E3) 53TC-L42D30 Board Layout 18 Protection Circuit (TC-L37E3/L32E3 and TC-L32X30) 54TC-L42D30 Connectors 19 Protection Circuit (TC-L42E30) 55TC-L42D30 P Board 20 Nile-T-CON SOS Detection 56TC-L42D30 A Board 21 Protection Circuit (TC-L42U30) 57TC-L42D30 LD Board (LED Driver) 22 Protection Circuit (TC-L37U3) 58TC-L37DT30 Standby Power (1) 23 IC4700 Block Diagram 60TC-L37DT30 Power On Operation 28 TC-L42D30 Service Mode 61TC-L37DT30 Voltage Distribution 30 How to Enter the Service Mode’s SRV-TOOL 62TC-L42E3 LED Backlight Control 32 TC-L42D30 How to Enter the Self-check Mode 63TC-L37E3 LED Backlight Power Circuit 34 Troubleshooting Picture Problem 64TC-L42D30 LED Backlight Power Circuit 36 Panel Free Run Mode 73TC-L37DT30 CPU Commands Explanation 38 Data Copy using SD Card 74TC-L37DT30 Video Input and Process 39 Glossary 78TC-L37DT30 Eyewear Control Signal 41