Panasonic TX-28PK25 Service Manual page 2

Hide thumbs Also See for TX-28PK25:

Table of Contents

TECHNICAL INFORMATION

Colour Television

Model:-

All 100Hz Models

Chassis:-

All above models displaying phenomenon described.

Date:-

23/11/01

Subject:

Vertical Bands.

Please use the following IRIS codes when making a claim:-

1.Symptom = F343

3.Defect Code = T

Background:

The reported Models (TX32PK25/28PK25) AND DVD players (SC-HT80 / SC-HT70)

shows 2 vertical bands that appear on screen. When the audio lead is removed from the

rear of the TV, the vertical shading bands disappear.

Remedy:

Using Modification Kit TZS9EK018 refer to diagram below and carry out the following:-

Method:

1. Remove C2303.

2. Remove jumper chip resistor JA 115. (Not jumper wire JA115).

3. Connect the ferrite bead supplied between the earth pad of JK2301and the audio earth

of AV1 (Pin 4). Safety Notice ! : The ferrite bead must be glued in place

CHIP JUMPER

C2303

Panasonic

Document No:QUA0011

All manuals and user guides at all-guides.com

2. Section Code = 0UT

4. Repair Code = K

ETD:2000-

JK2301

AV1 (PIN 4)

ISSUE:2

Table of Contents