Service manuals, schematics, eproms for electrical technicians

SONY HCD-HPX7 VER-1.8 SM

AUDIO - SERVICE MANUAL
Type: (PDF)
Size
8.1 MB
Page
124
Category
AUDIO
SERVICE MANUAL
If you get stuck in repairing a defective appliance download this repair information for help. See below.
Good luck to the repair!

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SONY HCD-HPX7 VER-1.8 SM service manual (1st page)
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  • Also known:
    SONY HCDHPX-7 HCDHPX7 HCDHPX HCD HPX7 1.8 HCD-HPX7
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  • See related repair forum topics below. May be help you to repair.
Warning!
If you are not familiar with electronics, do not attempt to repair!
You could suffer a fatal electrical shock! Instead, contact your nearest service center!

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Relevant AUDIO forum topics:
repair sony amplifier str-de254
Want to share: Have downloaded the schematics from this forum to help repair the amplifier of a friend. Turned out that Sony decided to route the earth through the chassis, even the earth between the various supplies. When one takes the main board out of the chassis and switches the amp on, there are up to 20 volts difference between the eart (and hence reference) of the pre-amps and the main amps. Luckily the amp goes into protection but from a design point of view it is not nice to rely on screws and aluminum face plates to conduct up to 0.2 amps of current from one supply to another. What I did is solder wires to every eart point and connected them on the main board to make it stand alone and not rely on conducting current through the chassis anymore. Bad design, simple repair but took some digging in the schematics to find out what exactly was going on!
Sony STR-DE485E nem működik az eredeti távirányítóval
Sziasztok! A fenti erősítő az eredeti távval nem működik, csak egy-két funkció. A táv egyébként él, ad jelet. Egy másik, eredeti Sony Audio távval is ugyanez a helyzet, csak pár funkció működik, itt azonban már több: hangerő + és -, muting, kikapcsolás. Tudna valaki tanácsot adni? Köszönettel: Attila
SONY CMT-S20B mini hifi kijelzője gyengén világit :
Sziasztok ! A fenti készülékkel nem boldogulok már miden lehetséges hiba ki lett zárva ! Minden feszültség rendben van!Ha valakinek volna roncs készüléke a kijelző érdekelne! Amúgy miden működik rajta rendesen! Szép napokat !
SONY MHC-RG30 Lézerfej Hiba
Sziasztok kollégák! AZ lenne a kérdésem hogy egy sony rg30 hifit javítok lézerfej hibája van. Rendeltem hozzá egy kss 213b fejet és elis indult vele de 10 perc után ugrálgat lejátszás közben,én hibás lézerfejre gyanakszom és azért szeretném a kollégák véleményét is kérni.Mit nézzek még át rajta?A segítségetek előreis köszönöm. Üdv:Tibi
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