Telefunken TKP2177ST User Manual

Telefunken
SERVICE MANUAL
TKP2177ST
1、 Caution………………………………………………………………………2
2、 Specification…………………………………………………………………6
3、 BOM list………………………………………………………………………9
4、 Alignment Procedure………………………………………………………25
5、 Block Diagram………………………………………………………………34
6、 Schematic Diagram…………………………………………………………35
7、 PCB Layout…………………………………………………………………36
8、 Explode Diagram……………………………………… …………………37
This manual is the latest at the time of printing, and does not
include the modification which may be made after the printing, by
the constant improvement of product

Telefunken TKP2177ST Specifications

General

Screen Size	75 inch
Resolution	4K UHD (3840 x 2160)
HDMI Ports	3
USB Ports	2
Display Technology	LED

Summary

General Safety Warnings

Risk of Electric Shock

Hazardous Voltage Warning

Fire and Moisture Warning

Important Safety Instructions

Alignment Procedure

B+ Voltage Adjustment

Procedure to adjust the B+ voltage to the specified level.

RF AGC Adjustment

Method for adjusting the RF AGC using an oscilloscope.

Screen and Focus Adjustment

Steps to adjust the screen and focus for optimal picture clarity.

White Balance Adjustment

Procedures for aligning white balance for normal, warm, and cold color temperatures.

Sub-brightness Adjustment

How to adjust sub-brightness for optimal grey scale visibility.

PAL Picture Geometric Adjustment

Initialization Procedure

Factory Settings

Accessing Factory Modes

Menu Parameter Configuration

Schematic Diagram