Dokorder 7200 Reel to Reel (parts/service)

Dokorder7200 Reel to Reel (for parts/service) I’m the original owner. The unit will play after being on and running for about 20 minutes. I took it in to see if I could get it fixed and the repair person said they could find the problem. When playing it sounds find going forward or reverse. Selling it for parts since it does not work as it should. Please review the pictures to see the condition of the cabinet and heads. Specifications Track system: auto reverse, 4-track, 2-channel, stereo/monaural system Heads: 2 x playback, 2 x combination record/erase Reel size: up to 7-inch reel Tape speeds: 3 3 ⁄ 4, 7 1 ⁄ 2 ips Wow and flutter: 0.08% (7 1 ⁄ 2 ips) Frequency response: 40Hz to 20kHz (33/4 ips) Signal to Noise Ratio: 55dB Dimensions: 17.5 x 8.5 x 18 inches Weight: about 42 lbs. Manufactured from 1973 to 1978 Will not ship out of the lower 48 states.