This is the Chinese maintenance manual for LT2657 LCD TV. It mainly introduces the product's safety precautions, basic specifications, operation instructions and adjustments, connection introduction, fault handling process, disassembly process diagram, white balance adjustment, BOM, PCB Layout, circuit diagram, TV electrical block diagram and TV explosion diagram.
This manual mainly introduces the repair safety tips, technical specifications, overall composition and machine core function characteristics, overall signal flow, main integrated circuits and component function introductions, key point waveform test charts (for reference only), maintenance modes, bus data, etc. of CHD-8 machine core
This document is about the maintenance manual of Changhong PDT-3 movement, including mechanical disassembly and assembly diagrams, circuit board distribution diagrams, signal flowcharts, and introduction to key circuit components. The movement has various functions and features.
This is the LT2058 LCD TV repair manual, which mainly introduces product safety precautions, basic specifications, operating instructions and adjustments, connection introduction, fault processing process, disassembly process diagram, BOM, PCB Layout, circuit diagram, TV electrical block diagram, TV explosion diagram and other content
This document is the LT1957 LCD TV repair manual, which mainly introduces the product's safety precautions, specifications, operating instructions, connection introduction, fault handling process, disassembly process diagram, white balance adjustment, BOM, PCB Layout, circuit diagram, TV electrical box diagram, TV explosion diagram and other content.
This is a maintenance manual for Changhong LP09 liquid crystal TV. It describes the features, main functions, signal flow, typical fault repair procedures and so on.
DLQ-900-16 electric heater is a product provided by Changhong Technical Service Center. This product adopts a fan-shaped design and has remote control, oscillation, and power adjustment functions. The structure consists of a control circuit, column, and head. The head contains a heating component. The circuit structure adopts infrared remote control technology, which allows remote control operation within a range of 7 meters. The troubleshooting chapter describes the troubleshooting method for the power failure of the electric heater.
This is a maintenance manual for Changhong liquid crystal TV LS07. It mainly introduces the specifications, features, components, signal flow analysis, typical fault repair process and examples, spare parts, and vulnerable parts of the LS07 liquid crystal TV.
This document introduces the principle and maintenance of the switch power supply for Changhong Digital HD (CHD) series color TVs. The switch power supply uses a thick film integrated circuit from SanKen as the core component, which has the advantages of high output power, simple peripheral circuit, perfect protection circuit, and easy maintenance.
The document is about a product called XS601 CH-02-4A(BLACK) and includes its circuit diagram. The product features various electronic components and connection methods, suitable for specific application scenarios.
The maintenance manual of Changhong plasma TV PP06 machine core introduces the technical specifications, main features, whole machine composition, main integrated circuit function introduction, whole machine signal flow analysis, main integrated block maintenance data, typical fault repair process diagram, spare parts list and other contents.