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I have to go out for awhile. I get back to you later. Don't hang up....just put me on hold. thanks Phil

I looked briefly at the 4 out put boards inside the unit that are mounted at inside back panel ....each board / rails has 5 resistors that are 2 orange bands followed by 2 silver bands 33 ohm? The second board from the fuse / speaker tb has on of these resistor that is cracked. Not measuring...

Yes VOM and clamp on meter, no scopes

Yes it is as you described. So being the unit powers up but the rails have or may have shorts some where do not install a pre amp and of course speakers.

Good so the C-1 or the C-11 is a go to connect to the 700, Thanks

Thanks. Ok The main fuse of course is not blown. Only 2 of the rail fuses are blown. These 2 are directly located below the left channel speaker binding knobs. These 2 would then be the negative side of the rails correct. So the front switch on the left of the front cover is power on/off while...

Thanks for the "input" of the outputs. Yeah but they are associated with that side of the channels. I'ii keep a lookout for the ham and turkey experts. Sure they will shed some "light" on the PL700 network. I will look see for the wiring schematic/diagrams for the 700....

Could a Carver C-1 or C -11 pre amp connect / work to checkout a PL700 II amp? Thanks

Ditto

thanks

Seems like you and I have been there and done some of the analog stuff. I retired back in 2012 from the HVAC life and enjoying my hot rods/cars , building engines, etc. boat motors and of course playing the music with my old stuff. Glad to see you are still given tour experience to others

Impressed with the info and layout here. Thanks for the use of the forum. I have been playing with HI-Fi > Stereo's since the early 60's. and built my first Eico ST40 amp kit in 62. Bought a University C15W dual voice coil woofer soon after and installed it in a bedroom closet on a plywood...

Hi, I was given a Phase Linear power amp 700 series 2 from a cousin who passed away. I found the unit has issues. I may just sell it since I have other amps if the cost of repair tends to be high. Heres the scoop: The amp has been put away since 2004. Preliminary checked the amp and found the...