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- harborcityelectronics (10490)- Feedback left by buyer.More than a year agoVerified purchaseGood buyer, prompt payment, valued customer, highly recommended.
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Reviews (2)
Apr 03, 2019
Well documented trainer with excellent assembly/workbook.
Excellent trainer. Well written assembly instructions, complete with by section theory of operation and circuit description. Each section is fully tested with excellent demonstration of operation.
9V battery holder way too tight regarding battery insertion and removal. The negative terminal pulled out of the holder while removing the battery. Fixed the terminal and Dremel cut the base of the holder - cut about 1/3 off. This gave room for insertion/removal.
The transistor version of the audio output stage has connection headers that are too short, allowing the bottom of the small PCB to come in contact with electrolytic capacitors on the large PCB. I shorted out the PNP power transistor causing it to smoke. It had to be replaced. Put insulating tape on top of the violating capacitors.
These last two comments caused 4 stars instead of 5.
Jan 03, 2017
Best TV yet
Infinite contrast is evidently better than other TVs. Use the 2D to 3D conversion all the time - it works very well. Brightness is exceptional. Colors are realistic and intense.