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No indication in Display, or
only Stand-by
indicator on.
Fault "E....." indicates one or
more defective modules on the
12C Bus. Check the voltage at
the modules.
Depress and hold Search
Button and switch on with
the Mains Switch.
Make a note of the
fault, and switch
forward with the
"+" button until P1
is displayed.
Indication in
Displays
ee
and then E1-E 14
Stand-by - Mains
Stage defective.
High Voltage Mains
Stage defective.
Voltage +H
Voltage +F
Wiper Contact in
Mains Switch in
order
Mains Switch
defective.
Control Stage
in order. See Table
page 13
U
Stand-by
»HIGH"
(Plug R1 approx.
5V)
Control Stage
defective.
High Voltage Mains Stage
defective. See Fault Tra-
cing Diagram page 9.
Program is possibly
altered by a high volt-
age flashhover.
21
No Picture, No Sound
P1 is indicated in
the Display
Depress and hold the
Search Button and switch
on with the Main Switch
CCVS signal on
contact 6 of the
Feature Box
yes
no
Check the Tuner,
IF Amplifier.
VT- Decoder defective.
yes
Indication
Measure voltage
E12-E14
no
Load in Emergency
Database.
(See appendix)
"Emergency Program"
Depress and hold Fine Tuning Button
and switch on with the Mains Switch.
Picture
By this action an average Database
appears
(average values) is read in from the
Control Stage into the Feature Box.
Store the values with the Memory
Button.
yes
Store Emergency
Database.
(See appendix)
Switch Receiver off with
the Main Switch.
Replace IC 360; There-
after load in and store the
Emergency
Database.
Picture
appears.
Readjust geometry
and store.
1.Disconnect SS Lead
2.Remake the solder con-
connections. Approx.
Check Mains
Stage
Voltages
present at the Feature
Box
B, +F, +N, +
no
yes
Horiz.
drive is present
(continous). Feature
Box .Pin 24
yes
no
Pull off CRT socket to
protect the picture tube
3,8 V present on" SS "
Horizontal
drive
present
no
Horiz.
drive switches off
after approx.
2 seconds
no
yes
no
Check Horizontal
Output Stage
Disconnect the protec-
tion circuit separation
points (Vertical)
IC 410 defective or the
drive from the
Feature Box absent
Refit the CRT
socket
Remake
the SS
Lead
and the
solder
connections.
22
yes
Only
Sandcastle
Blanking
no
no
pulse
is present
ru
rl 3¥ss
5Vss
2V
es
yes
VG-Pulse
Contact 22
See SS
Vertical- Pulse
Contact 32
Table
Contact 29
Check
yes
Blanking is
U ref
present
JL 5Vg5
no
Horizontal
no
Feature Box
on
yes
Vertical protection stage
T 422, T 426 possibly
defective
Saw-tooth-pulse
on IC 410, Pin 5 is
present
no
Line Transformer or
Picture Tube
defective
Picture tube
heats up
yes
Raster or picture is
Measure on Pin 29 Feature Box
Blanking SSC < 3,6 V
Drive: Switch off + Blanking SS¢
(Measured from zero line to pos
present
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