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Thursday, August 31, 2017

REMOTE CONVERTION VATS REMOTE

HYUNDAI CTV using chroma TDA9370PS/N3/A/1931
                            But due to some region i cant able get it in market
Now I use place of this ic  TDA9370PS/N3/A/1932
There is a new problem remote not working
Then I check sansui remote is working
But how to satisfied to costumer
and rework this hyundai remote

Then here is prosedure

now sansui remote is working
so press in sansui remote    menu-0203
for entering design mode
now scoll down and down
a option appear
Remote - 02
change this value to Remote - 43
Press remote stand by to exit
now sansui remote is not working
and hyundai remote is working




VIDEOCON, SANSUI, AKAI, HYUNDAI,TOSHIBA
the topic is if in a hyundai tv set hyundai remote not working but sansui remote working
These are the solution of this fault.
If this article is help full then comment on box......
thanks.........

LA76931 COLOUR TV CHROMA IC DATA SHEET AND PINOUT

Here I give you LA97931 XXXXXXX IC DATA SHEET
 In SANYO / BPL CKT pin no 23 is protection If any time set start and in few second and itself stand by then check 5v to connected a resistor and except it open other path then set ok.

LA76931




PIN NO DESCRIPTION PIN NO DESCRIPTION
1 SIF OUTPUT [2.8V DC] 33 XT1 [32.768KHz]
2 IF AGC FILTER 34 XT2 [32.768KHz]
3 SIF INPUT [3.3V DC] 35 CPU VCC [5V DC]
4 FM FILTER 36 POWER [Control standby]
5 FM OUTPUT [2.5V~3.5V] 37  NOT CONNECT
6 AUDIO OUTPUT [DC] 38 AGC
7 SND APC FILTER 39 KEY [KEY control]
8 IF VCC [5V DC] 40 RESET
9 EXT AUDIO INPUT [2.9V DC] 41  PLL
10 ABL [AUTO BEAM LIMITER] 42 CPU GND
11 RGB VCC [8V DC] 43  CDD VCC [5V DC]
12 R,G,,B OUTPUT 44 FBP INPUT
13 R,G,,B OUTPUT 45 C INPUT FOR Y/C MODE
14 R,G,,B OUTPUT 46 Y INPUT FOR Y/C MODE
15 NOT CONNECT 47 DDS FILTER
16 V RAMP OSC.CAPACITOR 48 Y INPUT FOR YcbCr MODE
17 VERTICAL OUTPUT 49 Cb INPUT forYcbCr MODE
18 PIN 18= VCO I REFERENCE 50 4.43MHz CRYSTAL
19 HORIZONTAL/BUS VCC [9V DC] 51 Cr INPUT FOR YcbCr MODE
20 AFC FILTER 52 SELECTED VIDEO OUTPUT OR FSC OUTPUT
21 HORIZONTAL OUTPUT 53 CHROMA APC FILTER
22 VIDEO CHROMA DEFLECTION GND [GND] 54  EXT VIDEO INPUT
23 NOT CONNECT 55 VIDEO CHROMA DEFLECTION VCC
24  NOT CONNECT 56 INT VIDEO INPIT
25 SVHS CONTROL [CONTROL S OSD] 57 BLACK STRETCH FILTER
26 REM [Remote control] 58  PIF APC FILTER
27 AV2[Control av1/av2 input] 59 AFT OUTPUT
28 AV1[Control av1/av2 input] 60 VIDEO OUTPUT
29 NOT CONNECT 61 RF AGC OUTPUT
30 MUTE 62 IF GROUND
31 SDA [I2C control] 63 PIF AMP INPUT
32 SCK [I2C control] 64 PIF AMP INPUT
la76931a de 57v9 data sheet la76931a de 57v9 ckt data la76931a de 57v9 pin description la76931a de 57v9 pin data

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