Ocean 221 repair
Repair of the radio receiver "Ocean 221". Receiver circuit "Ocean 221"
https://drive.google.com/file/d/1AQ_n...
0:00 receiver malfunctions
8:13 PM15
11:38 volume resistor revision
15:05 low frequency amplifier setup
18:23 VHF unit
19:11 VHF range check
21:49 VHF unit tuning diagram
23:09 unit after tuning
24:26 range check after tuning
27:27 range overlap after unit tuning
31:45 HF module defect
33:35 bandpass filter check
35:59 continuing defect search
36:42 circuit malfunction
39:30 check after HF board repair
39:46 circuit setup BD
42:01 DCM board
42:43 rack repair
43:30 post-repair check