Service manuals, schematics, eproms for electrical technicians

SONY TC-W301 TC-W306 SEN-301 501 SM

AUDIO - SERVICE MANUAL
Type: (PDF)
Size
2.5 MB
Page
15
Category
AUDIO
SERVICE MANUAL
If you get stuck in repairing a defective appliance download this repair information for help. See below.
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SONY TC-W301 TC-W306 SEN-301 501 SM service manual (1st page)
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SONY TC-W301 TC-W306 SEN-301 501 SM service manual (2nd page)
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  • Also known:
    SONY TCW-301 TCW301 TCW306 SEN301 501 TCW 301 306 SEN TC W301 W306 TC-W301 TC-W306 SEN-301
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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!
Alpine 4311 High-Low-Adapter (Magas-Alacsony adapter?)
keres Service Manual vagy kapcsolási rajz vagy más eszköz köszönöm
SONY HCD-RG11 mini hi-fi CD lejátszás akadozik.
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