Service manuals, schematics, eproms for electrical technicians
DUX TR7236 1964 SCH
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AUDIO
SERVICE MANUAL
AUDIO
SERVICE MANUAL
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DUX TR-7236 TR7236 1964 TR 7236
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Relevant AUDIO forum topics:
Sziasztok!
van egy pioneer deh-2100ub cd-m kipurcat benne egy BD6538G IC de nem tudom beszerezni sehonnét,van e esetleg valakinek felesleg, vagy ötlet,hogy honnét próbáljak rendelni?
Hola muy buenas tardes gente buena de la Foro alguien tendrá esquemático de Phonic Powerpod 410R con (amplificador Clase D) la verdad apreciare mucho
Sziasztok Szeretném tőletek megkérdezni hogy nem e jártas közületek valaki a studiotec.-ban. Hozzá jutottam egy szimmetrikus kimenetü géphez és szeretném összekötni az otthoni cuccal. Szakszerűen szeretném azért érdeklődöm. Üdv Kiss
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
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