Service manuals, schematics, eproms for electrical technicians
JVC RX-6030
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(ZIP)
(ZIP)Size
4.4 MB
4.4 MB
Page
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Category
AUDIO
SERVICE MANUAL
AUDIO
SERVICE MANUAL
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JVC RX-6030 RX6030 RX 6030
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Relevant AUDIO forum topics:
Üdvözletem Mesterek !
Keresem a JVC KD-R 821BT rajzát.
Kicsit leejtették a végfok hűtőbordára.
Nem akar indúlni.
A Tanyán nem találtam.
Előre köszönve és tisztelettel: Öreg T.
A probléma megoldódott .
Megint dolgozhattam egy nagyot , az előlap is kettétört, úgyhogy kuka.
Ha valakinek lenne előlapja felkinálnám a tulajnak.
Üdv :Öreg Tom
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
Üdv mindenkinek.
Akadt egy kis gondom a fent nevezett egységgel. Az első jelenség az volt, hogy feszültség alá helyezve se kép se hang. Még a stand by sem világított. Bizti Ok, majd tapasztaltam, hogy a szalag kábelek szét vannak húzva. Mindent a helyére kötve stand by világít, be lehet kapcsolni, hang nincs, és a TUNER módról sem lehet átkapcsolni. CD tálcát nem nyitja...stb. Ezután jött egy fény, és egy füst, és a végfok, valamint a tuner egység kapcsoló áramkör egy ellenállása elhalálozott. Tápfeszültségek rendben. Van valakinek ötlete hogyan tovább? Csak az UX-LP5 doksiját találtam, de nincs igazán eltérés.
Ha tud valaki segíteni nagyon örülnék. Köszönöm előre is
Szervusztok!
Van egy mini hifi amiben a lézerfej halott (JVC UX-D66TN). Ebben a készülékbe szerepel,sajnos nem tudom beazonosítani mert nincs semmi
jelölés rajta. Ha valaki tudna segíteni azt nagyon meg köszönném. A lézerfej tipusa kellene hasonlit a SOH-AAU fejhez csak 15 PIN van rajta a (SOH-AAU-un meg 16 kivezetése van. Még egyszer ebben kérek segítséget.
Várom megtisztelő válaszotokat.
Üdvözlettel:buszosgyuri
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