User Manuals: Teclast X21 MP3 Player

Manuals and User Guides for Teclast X21 MP3 Player. We have 1 Teclast X21 MP3 Player manual available for free PDF download: Service Manual

Teclast X21 Service Manual

Teclast X21 Service Manual (76 pages)

Portable MP3 player

Brand: Teclast | Category: MP3 Player | Size: 8 MB

Table of Contents

Table of Contents
2
Chapter One about Maintenance
6
Electric Resistance Method
7
Required Device for Maintenance
8
Usage Introduction
9
- Main Menu Illustration
  10
  - Tuning Interface Illustration
    11
- Browse/Cancel File
  12
- Tuning
  13
- Play Mode
  14
- Playlist
  15
Specification
16
- Chapter Three Principle and Servicing
  17
- Introduction to IC Used by the Player
  18
Section Two Unit Circuit Principle
19
- OLED Module Circuit
  21
- USB Jack Circuit
  22
  - Charge Management Circuit
    23
  - Low Voltage Detecting Circuit
    24
- Power Management Module
  25
- Headphone Jack Circuit
  27
  - ON/OFF Control Circuit
    28
Section Three Servicing Cases
30
- Troubleshooting Flow Chart
  35
Section Four Servicing Parameters
41
- Key Point Voltage List
  48
Section Five Function Introduction to IC
49
Whole Set
60
- Assembly Process of the Whole Set
  62
OLED Display Screen
63
Li Battery
64
FM Tuning Board
65

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