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Colour Television Chassis
SK5.1L
CA
H_17220_000.eps
210607
Contents Page
1. Technical Specifications, Connections, and Chassis
Overview 2
2. Safety Instructions, Warnings, and Notes 4
3. Directions for Use 5
4. Mechanical Instructions 6
5. Service Modes, Error Codes, and Fault Finding 8
6. Block Diagrams, Test Point Overview, and
Waveforms
Block Diagram Chassis 9
Schematic Overview Chassis 10
7. Circuit Diagrams and PWB Layouts
Mono Carrier: Power Supply (A1) 11 18-19
Mono Carrier: Line Deflection (A2) 12 18-19
Mono Carrier: Frame Deflection (A3) 13 18-19
Mono Carrier: Tuner IF (A4) 14 18-19
Mono Carrier: AV Switch (A5) 15 18-19
Mono Carrier: Tone Control (Optional) (A6) 16 18-19
Mono Carrier: Audio Amplifier (A7) 17 18-19
CRT Board (B) 20 18-19
Keyboard Control Panel (D) 21 22
Side A/V Panel (G) 23 23
8. Alignments 25
9. Circuit Descriptions, Abbreviation List, and IC Data
Sheets 30
Abbreviation List 31
IC Data Sheets 32
10. Spare Parts List 45
11. Revision List 48
EN 2 1. SK5.1L CA Technical Specifications, Connections, and Chassis Overview
1. Technical Specifications, Connections, and Chassis Overview
Index of this chapter: 1.2 Connection Overview
1.1 Technical Specifications
1.2 Connection Overview
Note: The following connector colour abbreviations are used
1.3 Chassis Overview (Mechanical chassis)
(acc. to DIN/IEC 757): Bk= Black, Bu= Blue, Gn= Green, Gy=
Grey, Rd= Red, Wh= White, and Ye= Yellow.
Note: Data below can deviate slightly from the actual situation,
due to the different set executions.
1.2.1 Front / Side Connections
1.1 Technical Specifications Side in, Cinch: Video CVBS - In, Audio - In
Ye - Video CVBS 1 VPP / 75 ohm jq
1.1.1 Vision Wh - Audio L 0.5 VRMS / 10 kohm jq
Rd - Audio R 0.5 VRMS / 10 kohm jq
Display type : CRT
Screen size : 29" (72 cm), 4:3
Tuning system : PLL
TV Colour systems : NTSC, PAL M, N
Video playback : NTSC, PAL all
versions
Presets/channels : 181 channels
Tuner bands : VHF
: UHF
1.1.2 Sound
Sound systems : Stereo, SAP
Maximum power (WRMS) : 2x5 H_17880_001.eps
190308
1.1.3 Miscellaneous Figure 1-1 Rear and Side Connections
Power supply: 1.2.2 Rear Connections
- Mains voltage (VAC) : 100 - 240
Aerial - In
- Mains frequency (Hz) : 50 / 60 - - F-connector Coax, 75 ohm D
Ambient conditions: Monitor out, Cinch: Video CVBS - Out, Audio - Out
- Temperature range (