Sanyo 25BN1 Service Manual page 9

INITIALISATION (Important Notice)
When you replace a memory IC (IC802), it is
necessary to initialise the IC as following step.
A. Initialisation
Press and hold the normalisation button
remote control handset and press the programme +
button on the TV set.
P
The IC will be initialised automatically to set the
following data.
User control data
Colour : Centre
Brightness : Centre
Contrast : Maximum
Sharpness : Centre
Text. Bright : Centre
Bass : Centre
Treble : Centre
Balance : Centre
Volume : Step 12
Service data
K1 : +000
K2 : +000
ST ID : +000
ATT : +004
The initialised service data of items K1 and K2
should be modified to the manual set data shown
above.
For how to modify, refer to next step.
B. Service Mode
1. To entre the service mode, press and hold the
Function button
F
and press the programme + button
set.
The following OSD appears on the screen.
ADJUST DATA
K1
K2
ST ID
ATT
SCREEN
CPU Ver
2. Select desired service item by using the Function
button on the remote control handset.
F
3. Change date by using the Level + or - button
.
4. To return to TV mode press the Recall button
on the remote control handset.
F2VAM
Manual set data
-> +001
-> -001
on the remote control handset
on the TV
P
+000
+000
+000
+004
VOL
1.0
Service mode description
K1, K2 : For adjustment of stereo separation
ST ID : Mode setting for A2 stereo judgement
on the
ATT : Attenuation of FM sound
To equalise sound level between FM and
Nicam.
SCREEN: For screen adjustment
To make one horizontal scanning line.
NOTE:
The items K1, K2, ST ID and ATT are invalid
adjustments for this model.
The data for K1,K2,ST ID and ATT can be altered, but it
but has no effect.
-9-
+000 : Fast mode
+001: Normal mode
+002: Fast -> normal mode