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There are currently no product reviews.
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perfect and good copies, all good readable.
within 24hrs and very cheap also.
 ;
Great salespeople, muuito attentive recommend everyone buy this site.Obrigado by atendomento..
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everything was fine - fast, readable, worth the price
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I'm happy to get a manual from this rare old amp. The pdf is from good qualty.
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very quick service and manual as described - would happily trade here again!
TROUBLE SHOOTING B. Front panel buttons
Front panel buttons
Check U34 and any components nearby for bad soldering, open/short circuit, damage, etc.
Remove F/W (U25) and replace it with a working No F/W, check if the machine will function normally. Yes Remove the top cover, remove the panel; check if there�s any signal output on pin15, 16 of U1 on the front board(also check for bad soldering)
Replace main board
Check SW1~SW7 and any components nearby for bad soldering, open/short circuit, damage, etc.
Check the 12pin cable that connects the front board No with the main board, check if the cable is properly connected. Yes Check the 12pin cable that connects the front board with the main board, check if the cable is properly connected.
Replace front board
Use the oscillator or multimeter to check if the voltage between p10 No and GND of JP6 on the main board �27V and also check if the voltage between pin2 and GND 5V
Replace power board
Yes OK
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