Sony WEGA KV27FV15 Training Manual page 54
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television circuit description and troubleshooting
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Also See for WEGA KV27FV15:
- Operating instructions manual (42 pages) ,
- Service manual (36 pages) ,
- Operating instructions manual (42 pages)
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S
Sony Service Company
National Technical Services
A Division of Sony Electronics Inc.
Park Ridge, New Jersey 07656
Model:
KV-32FV15, KV-36FV15, KV-32XBR250
KV-36XBR250
Subject: S-Link, IR Headphone, OSD, and 3D Comb
Filter Mis-Operation
Symptom:
(172X)
The following Symptoms may occur:
1. S-LinK: When the TV detects the S-Link signal in stand-by mode. TV is
supposed to automatically turn on and select appropriate video input. It does turn
on, but it does not select the appropriate input.
2. OSD: When customer tries to enter password for V-chip in Spanish menu,
customer will see additional unnecessary letters Pr preceding correct OSD.
3. IR Headphone:
picture and PIP picture, customer can hear the audio of PIP picture even when it
is supposed to be blocked.
4. 3D Comb Filter: In XBR model only, when customer changes video input from S
to composite, customer can see a Black & White picture, less than one second,
then color returns.
Solution:
If the customer should complain of the following symptoms please do the following:
27 inch models:
1. In the service Mode record on paper the following register information in both RF & Video mode:
VP SHUE
RF Data ______
VP SCOL
RF Data_______
VP SSHP
RF Data_______
2. 1) Replace the CPU (IC001)
2) Enter the service Mode using the remote. Then press 8 then Enter.
This will reset the CPU, turning the set off then back on automatically.
3) Re-enter the Service Mode.
4) In the RF mode replace the data in the SHUE, SCOL, & SSHP with the
recorded data from the original CPU.
5) In the Video mode replace the data in the SHUE, SCOL, & SSHP with the
recorded data from the original CPU.
6) Change the Data of ID7 from 0 to 2.
7) Write the new data into the CPU using the remote press the Mute then
Enter key.
32/36 Non XBR Models:
Reference: Uchida, K.
CONFIDENTIAL
Service Bulletin
TV Products
KV-27FV15, KV-32FS10, KV-36FS10
In XBR models only. When customer swaps audio of main
Video Data:_______
Video Data:________
Video Data_________
csv-1
441
No.
Date:
November 22, 1999
PRINTED IN USA
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