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Colour Television Chassis
LC4.5E
AA
E_14710_000.eps
240604
Contents Page Contents Page
1. Technical Specifications, Connections, and Chassis Keyboard Control Panel (E) 54 55
Overview 2 IR-LED and Light Sensor Panel (J) 56 56
2. Safety Instructions, Warnings, and Notes 4 8. Alignments 57
3. Directions for Use 5 9. Circuit Descriptions, Abbreviation List, and IC Data
4. Mechanical Instructions 6 Sheets 62
5. Service Modes, Error Codes, and Fault Finding 11 Abbreviation List 70
6. Block Diagrams, Testpoint Overviews, and IC Data Sheets 72
Waveforms 10. Spare Parts List 75
Wiring Diagram 17 11. Revision List 80
Block Diagram Video 18
Block Diagram Audio + Video 19
Testpoint Overview SSB (Top Side) 20
I2C IC Overview 21
Supply Voltage Overview 22
7. Circuit Diagrams and PWB Layouts Diagram PWB
Tuner and VIF (A1) 23 40-49
Histogram and Hercules (A2) 24 40-49
Histogram and Hercules (A3) 25 40-49
Audio Delay Line (Lip Sync) (A4) 26 40-49
Audio Amplifier (A5) 27 40-49
TV Supply (A6) 28 40-49
Scaler (A7) 29 40-49
Scaler Supply (A8) 30 40-49
Scaler Interface (A9) 31 40-49
SDRAM (A10) 32 40-49
Flash / Control (A11) 33 40-49
HDMI (A12) 34 40-49
PCHD MUX (A13) 35 40-49
Supply (A14) 36 40-49
DC-DC Converter (A15) 37 40-49
PCHD IO (A16) 38 40-49
Rear IO Scart (A17) 39 40-49
Class D Audio Amplifier (C) 50 51
Side A/V Panel (D) 52 53