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IDTECH IAQS80 LCDPANEL DATASHEET

DATASHEET - OTHER
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33
Category
DATASHEET
OTHER
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  • Also known:
    IDTECH IAQS-80 DATASHEET IAQS80 LCDPANEL IAQS 80
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  • See related repair forum topics below. May be help you to repair.
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Relevant DATASHEET forum topics:
VU_meter bemenete nem szabályozható
Üdv!

Kérdés: a csatolt fájl egy VU-meter, amely bemetetére egy potenciómetert kellene illeszteni szabályozás céljából.
Hogyan lehetne megoldani?
Pollenex Power Massager Wand High-intensity 2 Speed Vibrator, fejrész szédszedése
Üdv

Tudja valaki hogy kell a fejrészt szétszedni? A kék vonalnál lecsavartam a fejet ,mert valami /talán a rögzítés/csörög benne.
Kép róla.

Yamaha KX-250 Cassettedeck output tick noise problem (electronic not mechanical)
There is no service manual of the Yamaha KX-250, anyone? I have fixed the mechanism of this unit, replaced the capstan motor (bad quality shreeking one with a better one), replaced the belts and works perfectly fine. Perfect audio, everything works great. However after testing it many times I reassembled the unit and did another test. Some tick noise is present in the audio.

The tick noise is present when executing a function, for example REW (most worse of all), FF or PLAY (only a few spikes randomly), also when using the remote. It is not a problem of the mechanism (motor) or a ground issue or something like that, disconnected it and problem still exists. Maybe it has something to do with static electricity because I have used the unit without HEAD cables attached to the mainboard (head input pins floating) however the pre-amplification circuit is working fine except of the noise. There are two IC's in this circuit, UPC1330HA head selector and a LA3161 pre-amplifier.

The LA3161 is a 2-channel preamplifier that has a circuit to reject ripple. Is it possible this IC is damaged (because of a (static) spike) and because of that the ripple rejection is no longer working? When I replace this IC the problem is solved?

Any ideas or do have some people any experience with this or recognize the sound behaviour discription? Anyone who can point me into the right direction? 

Many thanks for any reply. 
MA02P1 Motorola IC adatlapját keresem. /MEGVAN/
Üdv.
Ez egy CO riasztóban lakik.
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