Comments on: Funny Tuner IC Complaint Found In SONY Car CD Player

By: Daniel Luis Mihalyi

Daniel Luis Mihalyi — Thu, 20 Oct 2022 23:04:16 +0000

Hola
Mí nombre es Daniel, tengo en reparación un Autoestéreo SONY CDX-GT620UI, el defecto que tiene es que la radio funciona, sintoniza, pero no emite sonido de salida, el USB y el CD funcionan perfectamente
Tiene la placa de radio en posición vertical con el TDA7706
Estuve leyendo lo publicado pero no interpreto si es que la radio no encendía o si le aplicó calor al IC para que comenzara a funcionar, no sé si es el mismo defecto
Saludos
Daniel
=====================
Hello
My name is Daniel, I have a SONY CDX-GT620UI Car Stereo under repair, the defect it has is that the radio works, it tunes, but it does not output sound, the USB and the CD work perfectly
Have the radio board in a vertical position with the TDA7706
I was reading what was published but I do not interpret if the radio did not turn on or if it applied heat to the IC so that it started to work, I do not know if it is the same defect
Cheers
Daniel

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By: Parasuraman S

Parasuraman S — Tue, 09 Mar 2021 13:29:26 +0000

In reply to JJ.

Many thanks!

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By: JJ

JJ — Mon, 08 Mar 2021 20:09:48 +0000

.” ‘An’ rhymes well with SMD instead of an ‘A!’ Combination of good tutorial and humour.

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By: Parasuraman S

Parasuraman S — Sun, 07 Mar 2021 06:51:43 +0000

In reply to Lynn Blakely.

Many thanks for your comments and feedback. I shall search for it.

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By: Lynn Blakely

Lynn Blakely — Sat, 06 Mar 2021 17:14:34 +0000

Good job Parasuraman: I have watched an apple repairman on You Tube that some times he re flows the chip. His name is Louis Rossman, he has over 1.5 million subscribers. He sometimes uses bad language but he is very quaified to repair.Think about what happens when something that is heated then it works, then when it cools it shrinks, which could indicate a bad connection on one or more of the pins on the chip.

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By: Parasuraman S

Parasuraman S — Sat, 06 Mar 2021 04:00:07 +0000

In reply to Imoudu Onwumah.

Well, I am a member of a few groups locally and globally. Only known and trusted people are added by the Admins of the groups. I was recommended by my friends and got added. No other posts except technical advice, suggestions and discussion are allowed in those groups. Let me check with the admins and revert. You shall receive communication, if positive only, through our Jestine Yong, provided it has his consent. Many thanks!

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By: Imoudu Onwumah

Imoudu Onwumah — Fri, 05 Mar 2021 16:40:53 +0000

Hi Chapman! I was reading one of your articles of 2017, where you hinted about technicians'whatsap forum. Is it open for anyone to join and how do I join if I want to ?

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By: Parasuraman S

Parasuraman S — Fri, 05 Mar 2021 13:21:17 +0000

In reply to Waleed Rishmawi.

Many thanks, dear! You are very unique and I read and enjoy your comments with warmth!

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By: Parasuraman S

Parasuraman S — Fri, 05 Mar 2021 13:20:13 +0000

In reply to Albert van Bemmelen.

A lot of information has been shared! Many thanks for your comments and feed back!

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By: Parasuraman S

Parasuraman S — Fri, 05 Mar 2021 13:19:11 +0000

In reply to Henrique J. G. Ulbrich.

But the IC itself is soldered in high temperature. I just heated it up enough, but ensuring it does not reach solder melting point. Many thanks for your comments!

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