Marantz 2245, power supply, DC Offset and Bias done.
49:28
Marantz 2252b Part 3 - Modifying and Adjusting the Bias Circuit
2:11
Cyrus am/fm/wto/psx
29:52
TEKTRONIX - Solder And Its Application In Electrical Assembly (1977) - VHS Transfer
2:36
How to check DC offset without any tools
18:35
How To Rebuild Marantz 2245, 2270 Amplifier Board - Part 1
52:40
Another Marantz 2270 Service & Repair - BG058
12:39
Diagnosing a Pioneer SX-535: High DC Voltage at Speaker Terminals!
48:39