This document is the service manual of Hisense LED42K11P liquid crystal TV, which introduces the appearance, function, specification, features and other information of the product, as well as the circuit diagram, power distribution, principle explanation and so on.
This service manual introduces the LED42K11P TV, covering its external appearance, functional specifications, and differences from related models. It also outlines the MST6i78 solution used in the unit, including supported video standards, input ports, and multimedia capabilities.
The document contains extensive technical sections such as circuit block diagrams, power distribution, detailed schematics for power, control, storage, and interface circuits, as well as a step‑by‑step USB firmware upgrade procedure. Component part lists and board photographs are provided for troubleshooting and repair. This manual is written in Chinese.
| Supported video standards | PAL, NTSC, SECAM |
|---|---|
| Supported audio formats | MP3, WMA, WAV |
| Supported video file formats | AVI, MP4, MPG, MPEG, VOB, TS, MOV, MKV, RM, RMVB, ASF, WMV, FLV |
| Wi‑Fi capability | USB dongle form factor |
A failure in the TCON power circuit, such as a damaged N16 MOSFET, can cut power to the panel and result in a black or gray screen even if the backlight is on.