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This is a very good quality print (scan) of the original SONY service manual. The original from Sony is on very thin paper. Nevertheless it is very clear and sharp and excellent readable. I'm very satisfied to have now this rare document. I've looking for it many years (infrequent). It contains very detailed circuit diagrams, exploded views, part lists, PCB view with good readable connection lines. Very recommended.
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A complete manual with all the needed details of calibrations and service instructions about the radio receiver.
A big deal.
Many thanks !
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Fast delivery and good quality copy. To be recommended
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Excellent product, very clear print. Detailed circuit and assembly diagrams - this enabled me to repair my CD player with confidence. I highly recommend this site.
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Fast access, 100% correct and complete service manual
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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