Remove 10 screws shown, to remove back cover.
CHASSIS SERVICE POSITION
- Hold and lift the rear of the E-PCB chassis and gently pull the chassis toward you, as shown.
- Release the respective wiring clips and rotate the chassis vertically through 90°, anti-clockwise.
- Locate the base of the chassis frame into the hole (B)
- Clip the chassis frame onto the bead clamper
- After servicing replace the bead clamper and ensure all wiring is returned to its original position.
Item / Preparation
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Adjustments
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+B SET-UP
1. Receive a Grayscale signal.
2. Set the
controls:-Brightness Minimum
Contrast Minimum
Volume Minimum
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1. Confirm the following voltages.
D-Board E-Board
D3 PIN5 147V ± 3V U8A E19-PIN8 8V ± 0,5V
D12 PIN5 5V ± 0,3V U9 IC3801-PIN39V ± 0,5V
D13 PIN1 40V ± 4V U12 E22-PIN8 12V ± 0,5V
D3 PIN4 230V ± 10V STD5VE26-PIN4 5V ± 0,5V
D3 PIN4 205V ± 10V U15 E23-PIN8 15V ± 1V
D3 PIN4 190V ± 10V U15 E23-PIN9 -15V ± 1V
D3 PIN4 190V ± 10V U33 E22-PIN10 33V ± 4V
D14 PIN5 5V ± 0,5V U40 E24-PIN1 40V ± 3V
D12 PIN7 15V ± 2V U5B E19-PIN5 5V ± 0,5V
D12 PIN9 15V ± 2V
D11 PIN8 12V ± 2V
D11 PIN1033V ± 3V
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Cut Off
1. Receive grayscale signal.
2. Degauss the tube externally.
3. Set the TV into Service Mode 1.
4. Select Cut off mode.
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Adjust the screen VR until the display shows
"O.K."
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To return customer settings to factory settings and clear
owner ID of all information input by the customer, enter Self-Check mode. Press
the down (-/v) button on the customer controls at the front of the TV set, at
the same time pressing the STATUS button on the remote control.
To exit Self Check,
switch off the TV set at the power button.
SELF CHECK MODE DISPLAY
Self-Check should only be used when refurbishing the TV set
and not during normal repair work.
Self Check is also
used to automatically check the bus lines and hexa decimal code of the TV set.
If the CCU ports have been checked and found to be incorrect or not located
then " - - "will appear in place of" O.K.". For more
in-depth TV diagnostics use the LUCI interface listed below.
To aid in the service of current chassis there are a number
of Service Aids which have been made available.
LUCI interface kit (Linked Utility Computer Interface)
Part number:TZS6EZ002
This contains
interface and cables for connecting TV service connector and a PC as well as
diagnostic software. As new models are introduced upgrade software will be come
available.
VICI (Visual Interactive Computer Information)
These C.D.'s contain multimedia documentation providing
quick access to service information.
Part No. TZS7EZ006 & TZS7EZ005
Service Manuals
Instruction Books
Technical Information
TASMIN (Technically Advanced System for Multimedia
Interactive Notes)
As well as providing a first step towards more interactive
training this product also achieves quick access to Technical Information.
