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www.freeservicemanuals.info 30/7/2014
Colour Television Chassis
LC4.8A
AA
F_15420_000.eps
220705
Contents Page Contents Page
1. Technical Specifications, Connections, and Chassis SSB: SDRAM (B10) 52 65-74
Overview 2 SSB: Flash / Control (B11) 53 65-74
2. Safety Instructions, Warnings, and Notes 5 SSB: HDMI (B12) 54 65-74
3. Directions for Use 7 SSB: MUX-Sync Interface (B13) 55 65-74
4. Mechanical Instructions 8 SSB: Top Connectors (B16) 56 65-74
5. Service Modes, Error Codes, and Fault Finding 14 SSB: Side Connectors (B17) 57 65-74
6. Block Diagrams, Testpoint Overviews, and SSB: ADC (B18) 58 65-74
Waveforms SSB: Columbus (B19) 59 65-74
Wiring Diagram 37" LCD 23 SSB: EPLD (B20) 60 65-74
Wiring Diagram 42" LCD 24 SSB: EPLD (B21) 61 65-74
Block Diagram Video 25 SSB: Diversity Tables B9-B21 (B9-21) 62
Block Diagram Audio 26 SSB: Digital I/O (B22) 63 65-74
Block Diagram Supply 37" 27 SSB: Cinch Analog I/O (1FH) (B23) 64 65-74
Block Diagram Supply 42" 28 Side I/O Panel (D) 75 76
Testpoint Overview Small Signal Board 29 Control Board (E) 77 78
I2C Overview 30 LED Panel (J) 79 80
Supply Voltage Overview 31 Standby Audio Panel: Connections (SA1) 81 84-86
7. Circuit Diagrams and PWB Layouts Diagram PWB Standby Audio Panel: Standby (SA2) 82 84-86
LCD Supply 37": Mains Filter + Standby (A1) 32 34-35 Standby Audio Panel: Audio (SA3) 83 84-86
LCD Supply 37": Supply (A2) 33 34-35 8. Alignments 87
LCD Supply 42": Mains Filter + Stdby A (A1) 36 40-41 9. Circuit Descriptions, Abbreviation List, and IC Data
LCD Supply 42": Supply A (A2) 37 40-41 Sheets 92
LCD Supply 42": Mains Filter + Stdby B (A3) 38 40-41 Abbreviation List 100
LCD Supply 42": Supply B (A4) 39 40-41 IC Data Sheets 103
SSB: Tuner and VIF (B1) 42 65-74 10. Spare Parts List 107
SSB: Hercules (B2) 43 65-74 11. Revision List 116
SSB: Sync Interface (B3) 44 65-74
SSB: Audio Delay Line (Reserved) (B4) 45 65-74
SSB: Audio Processing (B5) 46 65-74
SSB: DC-DC Converter (B6) 47 65-74
SSB: Diversity Tables B1-B6 (B1-6) 48
SSB: Scaler (B7) 49 65-74
SSB: Scaler (B8) 50 65-74
SSB: Scaler Interface (B9) 51 65-74