HOW TO ENTER SERVICE MODE TO MURATHA TV MURATHA CHASSIS T-255[SANYO]
MODEL: MARKET KIT
Entering into service mode
Press menu key on tv set and sleep key on remote handset simultaneously, again press sleep key on the remote handset.
Service mode keys
· to change pages press cruser left/right keys
· to select parameters within page press cursor up/down keys
service mode adjsutments
1 Enter into service mode
2 Select page 1
3 Adjsut R, G and B bias values to 127
4 Adjust r drive to 63, g drive to 8, b drive to 63.
5 Select page 5.
6 Set cross b/w parameter to 1. remove all inputs to kill video interference.
7 Go to v-kill parameter and change value to 1. ypu will get a h-line
8 Adjsut the screen voltage to get just visible horizontal line.
9 Now adjust through programme keys [1] &[4], [2] &[5], [3] & [6] bias for r,g,b respectively on the remote. Adjust to get a white horizontal line.
10 Now open the raster by selecting cursor left/right key
11 Select cross b/w to 3 to get a white raster.
12 Again through programme keys on the remote do the drive adjustments
13 Use programme keys [1] & [4], [2] &[5], [3] &[6], to adjust r/g/b drives.
14 Press mute to come out of the adjustments.
Similarly enter service mode for adjustments of vertical parameters and rf agc parametes on page 2 and 5 respectievely.
Other parameters i.e sub brightness.colour/tint/sharpness/contrast are adjustable according to customer needs.
Speaker
For T-255 mono kit- 8ohms 3W
For T-255 stereo kit- 8ohms 6W
Spekers should be of the same specifications, as stated above, for better audio output.
Service mode menu
***********************************
page 0
osd cont 90 a
sub bright 63 a
sub cont 50 a
sub colour 60 a
sub tint 32 a
sub sharp 35 a
*************************************
-------------------------------------------------------
page 1
red bias 127 a
green bias 127 a
blue bias 127 a
red drive 63 a
green drive 8 a
blue drive 63 a
C-TEMP R 0 A
C-TEMP G 0 A
C-TEMP B 0 A
-------------------------------------------------------
==============================
PAGE 2
V POS 50HZ 40 A
Vpos 60hz 40 a
V size 50hz 90 a
V size 60hz 82 a
V sc 12 a
V lenearity 17 a
V size cmp 7
==============================
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
page 3
h freq 30
h phase 50hz 9 a
h phase 60hz 7 a
hblk-l 4 a
h blk r 4 a
blank def 0
coring enabl 1 a
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
page 4
colour system 2
sif sys sw 5.5
c ext 0
c by pass 0
c kill on 0
c kill off 0
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
*************************************
page 5
sync kill 0
rf agc delay 32
v-kill 0
cross b/w 0
fm level 16
video level 5
*************************************
==============================
page 6
digital osd 0
audio switch 0
akb def 1
auto flesh 0
count down mode 0
grey mode 0
v sync set up 0
==============================
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
page 7
filter sys 2
vol filter 0
vif sys sw 38.9
brt abl def 0
brt abl threshold 4
brt mid stop def 0
emg abl def 0
opt filt sys 1
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
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page 8
afc gain and gate 0
secam b-y dc 13
secam r-y dc 13
r-y/b-y gain bal 12
r-y/b-y angle 12
b gama select 0
rg gama select 0
-----------------------------------------------------
=============================
page 9
audio mute 0
fm mute 0
video mute 0
sound trap 4
fm gain 0
de-emp tc 1
fbp-blk sw 0
============================
**********************************
page 10
t disable 1
vertical test 0
tint test 0
colour test 0
drive test 0
contrast test 0
osd contrast test 0
akb test 0
**********************************
______________________________
page 11
osd h pos 36
opt col sys 2
opt av sys 0
tune lock clr
select tuner (wittis) (TCL) 5v/9v
lna no
aqudio menu no
for stereo kit yes
logo naming set
semi trans b/g 1
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