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Battery Replacement
Replacing the Battery
If you turn on the K150X and get a message like:
EROB LOW BATTERY
you will need to replace the battery.
The K150X's program and parameter storage is protected while the unit's power is off by a battery. As with all batteries,
eventually the battery will run out. You can buy extras at camera and electronics stores (e.g. Radio Shack) and replace the
battery yourself.
You will only have 5 minutes after you remove the old battery before your programs will be lost. There is a back-up feature
that holds the memory, briefly, when both the AC input and the battery, are absent. You might consider getting the new
battery ready, before doing anything. It's also a good idea to back-up your programs onto cassette first - just in case.
To replace the battery:
1.
Turn power off.
2.
Remove the two screws which hold down the square lid on top of the unit, and remove the lid. You will need a Phillips
screwdriver to do this.
3.
In the opening, you will see six sockets for integrated circuits, and a flat, coin-shaped battery, in a clip: this battery is the
one you want to replace.
4.
Take a penny and ease it under the old battery in the clip, and lift out the old battery. Quickly, insert the new battery the
same way, with the "+" upwards.
5.
Turn on the power. Make sure no warning message appears.
Replacement Batteries
The battery recommended by Kurzweil Music Systems is Type 2430, a 3V lithium "coin cell". These batteries are available
in several sizes and, in a pinch, you can use a different size. The other sizes do not last as long, however. Refer to the
following tables.
24mm Diameter (recommended)
20mm Diameter (only if there's no other choice)
The 20mm batteries will be loose in the battery clip. They will work, but we do not guarantee that memory contents will be
valid, as moving the unit around, or other vibrations, may break electrical contact.
"Typical Life" means the life of the battery in an average K150X at room temperature. The life time is shortened by heat -
for instance, at 130° F, a typical temperature in a car out in the sun, battery drain is triple the room temperature rate.
Type
Capacity
(% of Original)
2430
100%
2420
60%
2316
45%
2032
85%
2025
60%
2016
30%
B-1
Typical Life
2 years
14 months
10 months
20 months
14 months
6 months
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