Tuesday, 26 February 2019

HOW TO ENTER SERVICE MODE TO CHINESE TV KIT USING [LA-76931-7N56ZN2 P1] IC ONE-CHIP MICOM - SANYO MAIN BOARD

HOW TO ENTER SERVICE MODE TO CHINESE TV KIT USING [LA-76931-7N56ZN2 P1] IC ONE-CHIP MICOM - Sanyo Main Board


There are two ways to enter the service mode to TVs fitted with this kit.
  1. Press and Hold Volume Down button at the front panel of the TV, until volume level comes to zero.
  2. Press “Display” button on the remote control, while pressing the Volume Down button. 
The other ways is to press the set key [can be located in between Sleep and Game keys], if the supplied remote control is [DGT-5AM3].
For the first press to Set key said above, will display [ --Product--], on the top of the screen.
An other press will display [C-B/W – 00].
After this, press Digit-1 on the remote control. The screen will display:



VER.79RJ:F2
PO-1
V-POSI/P
27
V-SHIFT/P
04
V-LIN/P
18
V-SC/P
29
V-SIZE/P
51
V-POS/NT
+05
V-SHIFT/NT
00
V-LIN/NT
00
V-SC/NT
--11
V-SIZE/NT
--19
Now press Digit [2] on the remote control.  The screen display changes to:

VER 79RJ-F2
PO-2
C-B/O
00
RB
19
CB
124
BB
67
R-D
85
G-D
01
B-D
85
S.B
99



Now press digit [3] on the remote control.  The screen display changes to:

VER 79RJ-F2
P-03
RF-AGC
36
BRI-MAX
63
CONTRAST/50
63
COLOR/50
63
SHARP/50
63
TINT
32
BRI-MIN
00
B-Y/DC.DVD
08
R-Y/DC.DVD
08
FACTORY RESET
NO



Now press digit [4] on the remote control.  The screen display changes to:

VER 79RJ-F2
P-04
OPT-AV
01
OPT S-VIDEO
NO
OPT-DVD
NO
OPT-AV3
NO
VS-TUNER
YES
OPT-BAND
02
VL TO VH
144.25 Mhz
VH TO V
389.75Mhz
Tune speed
01

Now press digit [5] on the remote control. The screen display changes to:

VER 79RJ-F2
P-05
ENG OSD
ON
CHN OSD
ON
THA OSD
ON
VIE OSD
ON
INA OSD
ON
FRA OSD
ON
HALF TONE
CD

Now press digit [6] on the remote control.  The screen display changes to:

VER 79RJ-F2
P-06
COL AUTO
ON
COL PAL
ON
COL NTSC
ON
COL-N 4.43
ON
DEF COLOR
---
C-TRAP ADJ/PAL
04
C-TRAP ADJ/NTSC
04
C-BPF ADJ
00
C-VCO ADJ NTSC
04
TV-OUT/AV
OFF


Now press digit [7] on the remote control.  The screen display changes to:

VER 79RJ-F2
P-07
SIF D/C
OFF
SIF I
OFF
SIF B/G
ON
SIF M/N
OFF
SIF BG2
ON
DEF SOUND
---
DEM TC
00
FM GAIN
00
V60 M/N-AUTO
OFF
VOL-DDB
NO

Press digit [8].  The display will be:

VER 79RJ-F2
P-08
OPT BALANCE
NO
VOL/01
00
VOL/16
61
VOL/36
103
MENU KEY
1
-/--- KEY
00
PRO-MUTE
ON
OPT AV-PNP
00
CURTAIN H-POS
00
CURTAIN TYPE
00


Press digit [9] on the remote will change the display to:

VER 79RJ-F2
P-09
AC POSER ON
LAST
ON-TV/AV
TV
ON-DELAY
02
ON SEARCH
OFF
ON CURTAIN
OFF
OFF CURTAIN
ON
AV CURTAIN
1
OFF-V-DELAY
00
OFF-PIC BLK
ON

TO EXIT FROM SERVICE MODE, PRESS THE ST KEY AGAIN
All these values described above, are set to one 21” True Flat screen Onida TV