ADJUSTMENT PROCEDURE
Item / Preparation
+B SET-UP
1.
Receive a Greyscale signal.
2.
Set the controls :-
Brightness
Minimum
Contrast
Minimum
Volume
Minimum
CUT OFF / Ug2 Test
1.
Receive a Greyscale signal.
2.
Degauss the tube externally.
3.
Set the TV into Service Mode 1.
4.
Select Cut off mode.
SELF CHECK
Self-check is used to automatically check the bus lines and hexadecimal code of the TV set. To get into the Self-Check mode
press the down (-/v) button on the customer controls at the front of the set, at the same time pressing the STATUS button on
the remote control, and the screen will show :-
If the CCU ports have been checked and found to be incorrect or not located then " - - " will appear in place of "O.K.".
Service Aids
To aid in the service of our 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 become available.
•
VICI (Visual Interactive Computer Information)
These C.D.'s contain multimedia documentation providing quick access to service information.
Part No. TZS7EZ006 & TZS7EZ005
1. Service Manuals
2. Instruction Books
3. 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.
VDP
O.K.
TUN
O.K.
E2
O.K.
MSP
O.K.
DPL
- -
OPTION 1 39
OPTION 2 OC
OPTION 3 1F
OPTION 4 00
OPTION 5 EF
OPTION 6 25
Adjustments
1.
Set the +B voltage up as follows:-
Adjust R811 so that B2 shows 148V±1V
2.
Confirm the following voltages.
B9
5
±
0,25V
B5
12 ±
0,5V
B4
16 ±
1V
B12
26 ±
1V
B3
35 ±
1V
B1
200 ±
10V
To adjust Cutoff connect an oscilloscope to the Blue
cathode, adjust "cutoff" value using the "Yellow" and "Blue"
buttons until the black level is 160V±5V press "STR" to store
the value. Remove the oscilloscope.
Select Ug2 adjustment and adjust the screen VR until the
display shows "O.K."
PCB
O.K.
Cab
O.K.
Sum
Factory use only
5
B10
5
±
0,25V
B11
33 ±
1,5V
B7
8
±
0,5V
B8
5.5 ±
0,5V
B13
15 ±
1V
B14
-15 ±
1V