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Very good quality original datasheet!I like this amazing website!!!!!!
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Excellent just what I needed to replace the electrolytic caps and make this old gem a beauty again. Was as scan of the original photocopied service manual.
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It was helpful to get schematic with waveforms in important points and lot of service information. Manual is good quality, fast delivered. Of course it is hardcopy of paper one with all its disadvantages.
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I want to give you a real heads-up for your desire to enable such people as I to acquire the information I need to maintain the older types of equipment such as this Akai HXA351W. You do a swell job with all the processes you have to perform so I can have a legible, thus usable
document which does not send me crazy trying to figure out the blurry text of a bad copy.
Very well done, Thomas.
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This manual is very well presented and after printing out looks about as close to an original as I think you can get. The quality is second to none.
The content of the manual is comprehensive and I think it would be well suited to an audio repair professional which I'm not but I did find it very informative and helpful.
The cost of the manual is more than covered by the money I'll save when I change the keep memory battery now I have the relavant info.
Very pleased with my purchase and can recommend it wholeheartedly as I can other manuals I've downloaded from this site.
Regards
Limey Alex
Kappa 255a
INSTALLATION
The Kappa 255a is easy to install. For optimum performance, we recommend using high-quality, twistedpair shielded RCA audio cables and 14-gauge or larger speaker wire. Also, you�ll need a minimum of 10-gauge stranded copper wire (e.g., red and black jackets) for the power connections. Use 18-gauge (e.g., blue jacket) wire for remote turn-on. Depending on your total system plan, allow for adequate time and the possibility of overnight storage of your vehicle, since it may take more than one day to complete the installation.
MOUNTING THE AMPLIFIER...
The Kappa 255a can be mounted in virtually any location inside the vehicle. However, make sure to keep the amplifier away from heater vents or ducts. 1. At the chosen site, use the amplifier as a mounting template and mark locations of the four mounting holes. 2. Drill a small pilot hole at each marked location. 3. Mount the amplifier and securely tighten the mounting screws.
PARTS LIST...
Examine and verify that the package includes the following items: � (1) Kappa 255a Power Amplifier � (2) Spare ATC fast-blow fuses (40 A) � (1) Control cover with (2) machine screws � (1) Weco 5-pin audio connector � (2) Weco 4-pin audio connectors � (1) Weco 2-pin power connector � (4) #8 mounting screws
WIRING THE AMPLIFIER...
Refer to Figure 6 (below) for details of the Kappa 255a�s front and rear panel connections. 1. For power, remote, and speaker wires, strip 1 �4" off one end of each jacket to reveal bare wire for insertion into the Weco connectors. 2. Using the Weco 2-pin power connector, connect a black wire from the nearest bare-metal chassis component to the (�) terminal. Then, connect a red wire from the vehicle�s +12-volt battery terminal to the (+) terminal. 3. Make sure the wires are firmly seated in the Weco 2-pin connector and that each screw is completely tightened. Insert the wired connector into the POWER socket (on the amplifier�s rear panel). Press it in until it stops.
KAPPA 255a WIRING CONNECTIONS
(front panel)
R
L
KAPPA 255a WIRING CONNECTIONS
(rear panel) Figure 6. Wiring connections for the Kappa 255a amplifier.
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