Sansui AU-919 F-2845 Amp Power Supply
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Remove the 8 screws/bolts that secure the connections to the main filter capacitors, and the power connections to the amplifier module IIRC. - NB: Make notes and take pictures before you start work, and in stages detailing what you do.
You may also have to remove some of the 'white' and also 'black' ground wires soldered to the ground terminals.
I got into the habit of completely removing this board as it makes it so much easier to work on. I used a combination of a pump action solder sucker and a powerful soldering iron (40watt Weller with a large No 9 bit
) to remove enough of the solder to release the many wires connected to some terminals.
Thanks Hyperion. I have managed to get the board vertical by undoing some clear wire ties and some of the ground wires. I don't have a soldering gun powerful enough to melt that large mass of wires and solder, so my recourse is to cut the ground wire(s) away from the mass and then solder in a small link of wire, and heat shrink it, when putting it back together. This gives me a little extra wiggle room if, heaven forbid, I have to go back in. Appreciate the help.
Some further advice, if removing the board completely, I found it advantageous to leave the board secured to the main filter capacitors, but with the screws slackened off so you get little/no movement but there isn't sufficient contact with the capacitors for them to 'wick' the heat away while you are de-soldering. And to unwrap the wires while the solder is melted, use a pair of snipe nose pliers or a pair of tweezers - you may need have 2/3 tries at each major solder junction to get them all free. 
The above helps to preserve the plastic insulation on the wires, so you don't have to shorten them unduly when reconnecting. For the power wires to the output transistors there isn't much leeway for shortening the wires.
The above helps to preserve the plastic insulation on the wires, so you don't have to shorten them unduly when reconnecting. For the power wires to the output transistors there isn't much leeway for shortening the wires.
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