Service Manuals, User Guides, Schematic Diagrams or docs for : teac TV EU-34T

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>> Download EU-34T documenatation <<

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                                      TECHNICAL BULLETIN                                              10th Sep 1999


MODEL:               EU-34T (AK20 CHASSIS)
PROBLEM:             "White Dot Noise" pattern visible on low RF signal input.

File: EU-34T (Whitedot).doc / EU-34T (Whitedot).pdf

White dot noise pattern occurs when signal RF input is too low. This modification will improve the signal/noise
vastly.

Instructions:

    1. Remove C820 (Ceramic Cap 270pF 1KV)

    2. Insert (Ceramic Cap 470pF 1KV) into location C820

    3. Add a 0.22nF 630V capacitor in parallel with D806.


Regards,


Fabian Lubanovic
TEAC Australia Pty Ltd.




                                              Page 1 of 1
                               11AK20 CHASSIS CIRCUIT DESCRIPTION
1.   GENERAL INFORMATION :
     This document provides detailed information about the fully I2C controlled Television Chassis named 11AK20.
     11AK20 is based on the bus controlled circuits in which all the filters, traps and delay lines have been integrated.
Therefore the numbers of external components are reduced and the user, service and factory adjustments are made
through I2C BUS control.

       This chassis has been designed mainly for the 90

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