I'm repairing a Sony TA-F550ES amplifier from the early 90s that had some intermittent sound issues.

TA-F550ES Service Manual:
[ Ссылка ]

I replaced the original Omron G5R-2232P protection relays with the currently available equivalent Omron G2RG-2A4 24VDC type which can be purchased from many electronics parts stores.

TIME STAMPS:
0:00 Introduction
2:21 A Look inside
6:49 Setting the Idling Current
10:48 Troubleshooting
13:39 Disassembly
22:18 Replacing the Speaker Protection Relays
26:43 Dust Removal & Reassembly
28:55 Cleaning Potentiometers & Switches
45:12 Reassembly
46:11 Final Test Run
48:32 More Cleaning & Full Reassembly
50:45 Thank you & Good night

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MUSIC by FOCUS 10 [ Ссылка ]

EQUIPMENT AND TOOLS I USE: [ Ссылка ] *
MERCHANDISE: [ Ссылка ]
MASTODON: [ Ссылка ]
PATREON: [ Ссылка ]
KO-FI: [ Ссылка ]
WEBSITE: [ Ссылка ]
TWITCH: [ Ссылка ]

YT CHANNEL MEMBERSHIP: [ Ссылка ]

Thanks for watching!

* Stuff marked with "*" contains affiliate links. You don't pay anything extra and I get a little commission from everything you buy through the links (even if you buy something different there).

#JanBeta #Sony #VintageAudio #VintageHifi #Repair #Sony550ES #SonyTAF550ES #Amplifier #Hifi #SpeakerRelays #Omron #IntermittentChannels #IntermittentSound #IdlingCurrent #Disassembly #Reassembly #Teardown #Service #Restoration #Refurb

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