The 2285B is a bit of a challenge to work on. Accessing the boards is difficult, so if you have not worked on vintage gear before, this is NOT one to start with.
This kit includes the following:
P800 Power Supply/Amplifier Board:
14 capacitors
10 transistors
5 diodes (2 zener)
3 double diodes
1 Relay
P700 Amp Board:
10 capacitors
14 transistors (4 matched)
1 piece of heat-shrink tubing
P400 Phono EQ Board:
8 capacitors
8 transistors
PE01 Preamp Board:
18 capacitors
8 transistors
4 2SA798 replacement kits
PS01 Switch Board:
5 capacitors
Tuner boards:
29 capacitors
2 adapter plates to replace the main filter capacitors
4 6800 uf 63v caps for the boards
Instructions
The kit for each board is bagged individually to make things easier.
These are all high-quality brand new genuine parts, the same ones I use when I rebuild Marantz equipment. The main filter capacitors are Cornell-Dubilier 6800 uf 63v capacitors, and the other capacitors are 105° Panasonic FC, Nichicon PW, Nichicon KL, and TDK film caps at the same uf ratings and the same or higher voltage ratings. The transistors and diodes are the correct Fairchild/Onsemi and Toshiba subs for the original transistors. There are four mini adapter boards and four SMD dual transistors to replace the four 2SA798s. You will need to assemble these, so you'll need either a very fine-point soldering iron tip and very thin solder, or you'll need SMD-working equipment. Or you can skip that step.
I will include surprisingly well-written instructions, but rebuilding a receiver is moderately complicated, and you should know what you're doing and have a decent soldering iron, heat-sink compound, and a dim-bulb tester with a 60W or 100W incandescent bulb.
Why buy this kit over the others on eBay?
- Custom boards to replace the main filter caps
- A full recap kit for the tuner boards--no skipping those!
- The correct replacement relay
- Replacements for most transistors. There are a lot of bad transistors on the 2285B, and they desperately need replacing. No one else is as obsessed with replacing transistors as I am, and no one else includes replacements for as many transistors. Your receiver will sound so much better!
- Replacements for all of the power supply zener diodes and dual diodes
- The proper low-leakage caps are included. There are loads of Nichicon KL and TDK film caps in this kit, which are necessary for a correct rebuild.
- Custom replacements for the four 2SA798 dual transistors that go bad
- Surprisingly detailed and well-written instructions, plus a link to download a free service manual
US shipping and handling is $12, and international is $36. If you have any questions, please ask.
Looking for more parts? I have power switches, feet, pushbuttons, top case screws, bottom screws, faceplate screws, white LED fuse lamps, blue LED fuse lamps, 6.3v bi-pin bulbs, 8v bi-pin bulbs, 12v bi-pin bulbs, wired 8v 60ma bulbs, new power cords, new main capacitors for the Marantz 1060/2230, wired Pioneer speaker plug replacements, new 630v yellow film capacitors at 38 different values, new 1200v yellow film capacitors at 15 values, a large variety of transistors for vintage stereo repair, new Wima film capacitors for stereo repair, new 250v yellow film crossover capacitors, and more. Just use "add to cart" on everything you want and then check out for combined shipping.