LCD TV
Model No.: L26F6, L32F6, L42F6
Chassis: RTD2674S
⚠️ WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.
7-2. Circuit Diagram
This section presents a detailed circuit diagram for the Haier LCD TV, illustrating the internal electronic components and their interconnections. It covers power supply management, including voltage regulation for various rails such as STB5V, PWR_12V, PWR_5V, D3V3, D1V2, A1V2, and DDR_2.5V. The diagram also depicts control signal paths, input/output interfaces, and the integration of key integrated circuits (ICs) like MP1482, MP1484, AZ1084-ADJ, RC1117-ADJ, and the main processor PD79F8202/NC.
The schematic details components such as transistors (Q), resistors (R), capacitors (C), inductors (L), diodes (D), and connectors (CN), organized into functional blocks for clarity. Key voltage regulation stages are shown, ensuring stable power delivery to different parts of the television's circuitry.