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I was having a hard time finding the problem with this Mackie 1604 unit. I didn't have a schematic. Went looking on the web and found your site and the price was more then reasonable. Ordered it and within the hour had the manual and within 15 minutes had the unit fixed. Best $4.99 I ever spent. Thank you.
Doug
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This is a service manual in every sense of the word ( French and German versions of the text are included, as well as English..)
There are explanations of the mechanical and electrical functions, plenty of mechanical drawings, and the needed schematics. The quality of the scanning is excellent - all the component values are clearly legible - and very usefully there are pcb component layouts, so you can find a component on the schematic, and then very quicky pinpoint its physical location on the relevant pcb.
I cannot see how I can give this manual any less than the maximum 5 stars! Great value for money, which will pay for itself immediately. Excellent all round!
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the manual is great and especially hard to find... thanks for the great service and having a hard to find manuel_
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Please tell us what you think and share your opinions with others. Be sure to focus your comments on the product. You will receive $2.50 of store credit for Your review.
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hat alles sehr gut geklappt. Das Servicemaual ist gut zu verwenden. Die Pläne und Schrift
ist klar und leserlich. Außerdem preiswert. Grüße an alle Hifi-Bastler
KAP-2
CIRCUIT DESCRIPTION / COMPONENTS DESCRIPTION / TERMINAL FUNCTION
Circuit Description
â� Public Address (PA) function
The PA output switching relay is controlled by turning the PA function on and off. When the PA is activated, the PA output flows through the following path. The audio signal input from the microphone passes through the filter, amplifier and other circuits of the TX-RX unit (B/3) and goes to pin 5 (SPI) of CN3 of the relay unit. The audio signal passes through the relay (K2) and is output to pin 3 (OSP) of CN2.
Terminal Function
â� Relay unit (X41-3670-20)
Pin No. Name I/O CN1 1 2 3 4 5 6 GND HR2 NC SPO SPI ESP O I O I Ground. Horn alert signal output 2. Non-connection. Speaker input. Speaker output. Speaker input. CN2 1 2 HR2 GND OSP ESP GND HR1 O O O I Horn alert signal output 2. Ground. External speaker output (PA). External speaker output. Ground. Horn alert signal input 1. CN3 1 GND HOR PA SPO SPI SB I I O I I Ground. Control signal input of Horn Alert function. Control signal input of Public Address function. Speaker output. Speaker input. Power input of switched power supply. Description
â� Horn Alert (HA) function
The relay unit can be controlled by turning the HA function on and off and by using a signaling decode output. The maximum current of HA is 2A. There are two Horn Alert settings: HA1 (Default) and HA2. HA2 can be set by changing the short pin of CN1.
CN1 Connect 1-2 2-3 Set Up HA1 HA2 HR2 HA1 (Default) HR2 HA2 CN1 pin 1-2 connect HR1 CN1 pin 2-3 connect HR1
3 4 5 6
â� External Speaker (KES-5)
External speaker KES-5 can be installed for KAP-2. If KES5 is installed, it can be set by changing the CN1 short pin from pins 4 and 5 (INT SP) to pins 5 and 6 (EXT SP).
CN1 Connect 4-5 5-6 Set Up INT. SP EXT. SP
2 3 4 5 6
â� Cable (E37-1113-05) 6-pin Connector
1 4 2 5 3 6
Pin No. 1 2
Color Red Blue Yellow Green Brown Black
Name HR2 GND OSP ESP GND HR1
Components Description
â� Relay unit (X41-3670-20)
Ref. No. Part name Q1,2 D1,2 Transistor Diode Switching Reverse electromotive force protection Description
3 4 5 6
2
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