IC MEMORY

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IC MEMORY , mungkin itulah yang akrab di telinga kita ,mari kita bahas sejenak fungsi dari IC EEPROM ini 

Berdasarkan kapasitas nya memory ini biasanya ditulis dengan nomor 24CXX nah untuk XX adalah kapasitas nya dalam Kbit .Contoh 24C08 berarti kapasitasnya 8 Kilobit ,Di toko banyak yang jual dengan nomor 24C01,24C02,24C04,24C08,24C16,24c32 NAH yang di jual di toko ini adalah data nya masih kosong.

Memory pada pesawat televisi berfungsi untuk menyimpan data setting atau konfigurasi

  • System suara ,sistem warna,nicam/stereo/mono,AV/DVD/SVHS/, subwoofer atau pun berfungsi untuk pilihan hardware misalny IC stereo prosesing ,IC av Switch ,IC tone contreol ,dll
  • Lalu berfungsi juga menyimpan data Factory misalnya : white balance,sub contras,vertikal size,horizontal wide,pengaturan EW dll.
  • Data  (user adjustment ) atau pengaturan oleh pengguna misalnya volume ,bright,contras ,warna, bass,treble,program chanel misal chanel 1 diisi rcti dengn frekwensi  600mhz dll.

 

 Component documentation

IC number

Manufacturer

Documentation

AT24C08

Atmel

Web page , Datasheet (PDF)

Component versions

IC number

Package

CBM part number

CBM part description

AT24C08

8-pin SOIC

391635-03

IC, EEPROM, 24C08,

Positions

Device

Position

Package

CD³²

U9

SOIC

Pinout

Pin

Type

Name

Signal name

CD³²

1..2

N/C

NC

GND

3

Input

A2

GND

4

Power

GND

GND

5

I/O

SDA

Connected to pin 99 of Akiko

6

Input

SCL

Connected to pin 100 of Akiko

7

Input

WP

GND

8

Power

VCC

VCC

Bagaimana Cara kerja IC MEMORY ? 

Pada saat kita menghidupkan pesawat televisi ,maka IC program akan mengcopy (membaca) isi yang ada di IC memory misalnya vertikal berapa volumenya berapa ,chanelnya berapa dan seterusnya.Hal sebaliknya akan dilakukan pada saat tv nya dimatikan Dimana data yng sudah berubah(DIRUBAH OLEH PENGGUNA) akan disimpan kedalam IC MEMORY .(writing)

Problem yang sering terjadi adalah pada saat proses  writing kemudian tiba tiba listriknya mati ,maka hal ini dapat menyebabkan kan isi data dari IC memory ini rusak (data coruruption) 

Pada tv sharp kalau kerusakan di ic memori biasanya ditandai dengan TV nyala sebentar terus mati dengan lampu led blinking atau kedip.jumlah kedipan nya itu biasa nya menunjukan part yng tdk bekerja atau salah setting .

Coba anda bayangkan ketika pada saat melakukan setting tiba tiba kita lupa tdk mencatat nilai awal setting sebelum kita melakukan perubahan ,sehingga tv nya menjadi kacau.

TIPS berikut ini adalah bagaimana caranya menyeting ic memory agar kembali ke default ,atau ke posisi standard (standard setting ).

  • SPAREPARTS YANG HARUS DISIAPKAN ADALAH IC MEMORY YANG KOSONG ATAU YANG BARU BELI DITOKO !Kalau yang udah ada isi nya kadang  tdk berhasil

Saya disini akan memberikan tips sederhana terutama untuk tv SHARP

  • Untuk TV sharp adalah dengan memasang  IC MEMORY yang kosong pada chasis tv ,
  • Lalu jangan dulu menghidupkan tv nya .
  • Langkah selanjutnya adalah  menshort kan jumper untuk service mode sebaiknya di solder saja kedua jumper nya ,untuk tv sharp seri wonder atau universe jumper nya ada dilokasi  J122 dan J124
  • Nah baru setelah itu TV nya dihidupkan untuk pertama kali dengan IC memory yang baru(kosong)tunggu sebentar akan terjadi proses Writing .Hasilnya wooow  seting default (seting standard nya) sudah terisi  ,lalu kita tinggal melakukan adjustment untuk vertikal saja .
  • Setelah semua OK jangan lupa solderan jumper nya di buka lagi.

Untuk polytron Untuk mengembalikan ke posisi default mode adalah dengan cara seperti biasa masuk ke service mode Polytron

  • Standby dulu
  • Tekan dan tahan tombol menu yang ada di remote
  • Dan untuk mengembalikan ke setting default adalah 3101

Untuk merk SAMSUNG adalah dengan cara :

  • Standby dulu
  • Tekan dan tahan tombol menu yang ada di remote dengan kode ini
  • Akan mucul dilayar settingan Factory mode
  • Untuk mengembalikan ke setting default adalah dengan memilih opsi paling bawah yaitu RESET, ingat semua data akan tereset kembali seperti TV baru.
  • Selamat mencoba

Tips dan trik ini hanya berlaku untuk model tertentu yaitu SHARP wonder, Universe sedangkan untuk SAMSUNG hampir semua tipe bisa, telah dicoba di TV model 20W200,20U200,29UF200.


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