20 Most Recent Sony STR-GA8ES Receiver Questions & Answers

Failed device, probably a shorted transistor in the main amp section. Suspect any or all the devices attached to the big heat sink.

The protective device on the receiver has been activated because of a short circuit.

("PROTECTOR" flashes.) Turn off the receiver, eliminate the short-circuit problem and turn on the power again.

http://www.docs.sony.com/release/STRGA8ES.pdf

Generally speaking, an amp protects itself from heat, shorts and overloads.

Overloads can be from excessive periods of high output and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced hands-on tech.

Try disconnecting everything (speakers cables, signal cables, all other units) except the power cord, then turn the unit on, if the protector message persists, then the fault is in the reciever.

If this is the case, you should check the speaker and signal connectors for any damage, shorts or loose solder contacts, also check the unit for any shorted or broken wires, loose wire connections, bad solder contacts on connector pins, bad solder contacts on ANY other components (give some extra attention to the components that tend to warm up while they operate, like main power amp transistors / ICs, voltage regulators, power resistors, diodes, also coils, capacitors, etc). Any loose solder connections should be resoldered.

If there's no message when you've disconnected the outside equipment, you have either a bad speaker, a bad speaker cable, a bad signal interconnection cable, or a fault in any of the units that were connected to the reciever. You can find which one is the cause by turning the reciever off, then connecting one cable or unit, turning the reciever on again, see if there's a message, if there's none, turn it off again, connect the next unit / cable and so on, until you get the protector message. The cable or unit that will make the message appear is most probably the cause for the trouble (there might be loose solder connections on other units' cable connectors or other components). When you plug and unplug the cables many times, with time this will loosen the solder connection on the pins inside the unit, so these need to be resoldered.

Hope you can find out what it is.

regards

3rq8 (Triarcuate)

You can download required service manual from Manual Zone for small fee.
You can buy required parts for the same unit from Part Store.

it is a bad fuse or the i.c. chip is bad

It looks like the manual knows, and you can have 5 AM station presets and 15 FM. https://www.google.com/search?q=preset+a+second+AM+station+on+a+Sony+SRF-M97+Walkman ..

'Direct Drive' appears to mean something different to Sony unless the belt is for another function. https://lptunes.com/products/sony-ps-fl7-ii-ps-fl7-ii-psfl7-ii-turntable-tonearm-belt-replacement Service Manual

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There is not reason this would click and not turn on. If it just clicked, it would likely be caused by interference from another appliance, typically a fridge or freezer. The most likely reason is a relay in the internal power supply. It will need a Sony Service Centre. https://www.sony.com/electronics/support/res/manuals/4154/41545841M.pdf It isn't a recorded known issue. Sony are high quality equipment so it is worth getting it fixed. https://www.google.com/search?q=sony+icf-cl75ip+clicks+and+not+working ..

Open it up and look for bulging or split electrolytic capacitors, especially in the back to the display and the power supply. Or take to an electronics technician for diagnosis. https://www.google.com/search?q=Sony+deck+MHC+RV900D+not+working ..

C81 error indicates an internal hardware fault.Check CD mechanism is not jammed.

Question edited for clarity, turned around plus CAPS. It should be a standard figure 8 connector. https://www.google.com/search?q=sony+audio+rack+su-s5520+power+cord+replacement ..

All devices that have a remote need a remote https://www.fixya.com/support/r29872378-universal_remotes_no_facsimile_remote ..

STK402, IC501. Part number 8-749-016-96

Standby problem solved

You realize we are Fixya dot com and we aren't Sony Support? We don't do 'urgent remedies' although we do try to help for free. https://www.google.com/search?q=Sony+DZ-+840K+Home+Theater+displaying+%22Please+Wait%22 I wrote this Fixya Tip which you can try first. https://www.fixya.com/support/r29927004-dvd_player_or_cd_player_not_reading ..