Service manuals, schematics, eproms for electrical technicians
AAC MAXIM 43 SUPER 1942 SCH
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AUDIO
SERVICE MANUAL
AUDIO
SERVICE MANUAL
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Good luck to the repair!
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AAC MAXIM 43 SUPER 1942
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Relevant AUDIO forum topics:
Given:
Victor TT-71, neon lamp does not light, speed is lower than normal. This is subsequent some short circuit the owner does inside the device. No further details.
I found out the VICTOR QL7 have the same motor driver amd I downloaded the service manual that I attached here in case this manual is not already uploaded.
Looking at the diagrams I found out that at TP3 (same with pin5 of IC803) instead if that rectangular signal, I have nothing but 5VDC and a negative or positive short spike whenever I'm starting or stopping the motor and
Under the circumstances I suspect IC803 is defective. The bad thing, IC803 is NPC SC8043. Also I wonder if the crystal is fine (except that I wonder what can be wrong with a crystal after some short circuit).
Does anybody have any more suggestion?
Also, where can NPC SC4043 be sourced? Also, a crystal 9.054MHz?
Thanks in advance,
Corneliu
Victor TT-71, neon lamp does not light, speed is lower than normal. This is subsequent some short circuit the owner does inside the device. No further details.
I found out the VICTOR QL7 have the same motor driver amd I downloaded the service manual that I attached here in case this manual is not already uploaded.
Looking at the diagrams I found out that at TP3 (same with pin5 of IC803) instead if that rectangular signal, I have nothing but 5VDC and a negative or positive short spike whenever I'm starting or stopping the motor and
Under the circumstances I suspect IC803 is defective. The bad thing, IC803 is NPC SC8043. Also I wonder if the crystal is fine (except that I wonder what can be wrong with a crystal after some short circuit).
Does anybody have any more suggestion?
Also, where can NPC SC4043 be sourced? Also, a crystal 9.054MHz?
Thanks in advance,
Corneliu
Hello!!
Ha valaki el tudná nekem küldeni az Onkyo Tx-7430 erősítő kapcsolási rajzát nagyon megköszönném :)
Demand:Prosím Vás, máte na predaj tento vyhorený plne funkčný pohotovostný zdroj k onkyo TX-NR727 na Slovensku. Dakujem Minko.Poprosim a foto.Urgentne.
https://mail.google.com/mail/u/0/#inbox/DmwnWtDsVgFgtSxMCkwLfVxfzbmbCrWVcxxFsfCLSxZBprvlGtmLKJcDJdRvvPWSXFtRjlhJvpZb? projector=1&message. EMAIL: milan.gebrlin@gmail.com
https://mail.google.com/mail/u/0/#inbox/DmwnWtDsVgFgtSxMCkwLfVxfzbmbCrWVcxxFsfCLSxZBprvlGtmLKJcDJdRvvPWSXFtRjlhJvpZb? projector=1&message. EMAIL: milan.gebrlin@gmail.com
Sziasztok!
Egy hölgy keresett meg, mivel a macskái elrágták a rádiósmagnója hálózati kábelét ami zárlatossá vált és fény- és füstjeleket produkált.
A készülék nincs nálam, (pontos típusszámát nem tudom,) csak a hálózati vezetéke amin egy négypólusú dugasz található. A négy aljzatból csak 2-ben láttam érintkezőt. Ránézésre az érintkező hüvelyek távolsága megegyezik a kis készülékek csatlakoztatására használt "Euro" vezeték méretével.
Kérdéseim: Valóban jó lesz-e oda a szokásos hálózati vezeték? Mire szolgál a másik 2 bekötési pont?
Egy hölgy keresett meg, mivel a macskái elrágták a rádiósmagnója hálózati kábelét ami zárlatossá vált és fény- és füstjeleket produkált.
A készülék nincs nálam, (pontos típusszámát nem tudom,) csak a hálózati vezetéke amin egy négypólusú dugasz található. A négy aljzatból csak 2-ben láttam érintkezőt. Ránézésre az érintkező hüvelyek távolsága megegyezik a kis készülékek csatlakoztatására használt "Euro" vezeték méretével.
Kérdéseim: Valóban jó lesz-e oda a szokásos hálózati vezeték? Mire szolgál a másik 2 bekötési pont?
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