TCL 21M62S Manuals

Manuals and User Guides for TCL 21M62S. We have 1 TCL 21M62S manual available for free PDF download: Service Manual

TCL 21M62S Service Manual

TCL 21M62S Service Manual (57 pages)

CHASSIS: M123SP

Brand: TCL | Category: TV | Size: 2.92 MB

Table of Contents

Table of Contents
1
Personal Safety
3
Safety Instructions
3
Example of Antenna Grounding as Per National Electrical Code Instructions
4
Protection and Location of the Set
4
For Service and Modification
5
If the Set Does Not Operate Properly
5
Operation of the Set
5
Specification
6
Alignment Procedure Table of Content
10
M123SP Alignment Procedure
11
Ⅰ. Summarize

11
- Adjustment of B+ Voltage
  12
- RF AGC Adjustment
  12
Ⅱ. Alignment Contents

12
- Adjustment of Sub-Contrast, Sub-Tint and Sub-Color for NSTC and PAL Signal
  13
  - Screen and Focus Voltage Adjustment
    13
  - White Balance Adjustment
    13
- Adjustment of Sub-Brightness
  14
- Picture Geometric Adjustment
  14
- White Balance Adjustment (Normal)
  14
- X Rays over Voltage Protecting Circuit Test
  14
- PS Line Polartities Test
  15
- PS Power Test (Random Test)
  15
- CCD and Vol-Chip Function Test
  16
- EEPROM Data
  16
- Heater Voltage Test ( Random Test )
  16
- High Voltage and Ib Value Limit Test( Random Test )
  16
- Initialization
  16
  - Circuit Diagram
    20
  - IC Brief Introduction
    21
  - MCU and Signal Processor for a PAL/NTSC TV
    21
  - TOSHIBA Integrated Circuit TMPA8873PSNG TMPA8873CMNG /CPNG /CRNG /CSNG
    21
  - Features
    22
  - Block Diagram
    23
  - Basic Structure
    24
  - Crystal Resonator
    24
  - Internal Connections
    24
  - Power Supply
    24
  - MCU Block
    25
  - Terminal Interface
    25
  - Signal Processor Block
    29
  - Aft
    34
  - Built-In Sound Band Pass Filter
    34
  - Signal Processor Descriptions
    34
  - Tank-Coil-Less PIF VCO
    34
  - Asymmetric Sharpness
    35
  - AV Switch
    35
  - Base Band Color System
    35
  - Noise Level Detection
    35
  - Control the Signal Processor
    36
  - Signal Detection Flags
    36
  - Thai Mono-Bilingual System
    36
  - PCB Layout
    37
  - Explode Drawing
    38

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