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I am so happy found this site as it consists of so many Manuls and easy to aquire. This onei s exactly what I wanted and much more as it has info on not only how to use the tuner but how to repair it as well. I will come here 1st before purchasing else where! Thanks owner-manual.com!
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Top class product, I printed it out on A3 paper and it is clear and very easy to follow.
Cheaper than buying a new radio!
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is part of the manual is very useful for repairing
Here are circuit diagrams
if there is damage, I recommend using this part of the
a complete list of circuit boards and components
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Hello.
This paper enable me, to bring this lovley Scope into Function.
Without this Page, i have no cance to make this finish.
Hans M. Knoll Germany
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I used for first time this the wheat and am very thanked
Powered Subwoofer
BASS2/BASSWAVE
Additional Service Notes/Revisions
Customers who complain of a low level distortion heard only during very quiet musical passages, or experience erratic/inconsistent turn-on performance may need to have their units modified as follows: 1. Remove jumper wire JW12. 2. Change resistor R24 to a 22k ohm, 5%, 1/8W. (JBL part# HM185-02202-00). 3. Change capacitor C19 to a .0047 uf cap. (JBL part# 3679472120). 4. Cut trace at SW1 (middle pin which runs to JW12). 5. Add 2" insulated jumper wire from SW1 (middle pin) to right-hand side of JW12. Route this jumper away from the four large diodes. 6. Add an uninsulated jumper from the left-hand side of JW12 to the ground trace which runs just to the right of it. Serial numbers below should already be modified.
100v 120v 230v
NOTE: If a customer (of a later revision) is insistent that the auto-mute feature work on his subwoofer, an easy way to accomplish this is to use the speaker level (high level) inputs on the unit in lieu of the RCA jacks.
WIRING DIAGRAM
JSEKE10988 and above
JSEKD13486 and above JSELD027239 and above
JSEKF20034 and above JSELF020498 and above
Early versions of the units ending with serial #JSELD 024124 had a 18VDC output jack; later versions are missing this. It's presence or absence does not affect subwoofer operation in any way.
Early versions of the units below serial # JSELD 024125 will cycle into a standby mode when the signal source is absent after a predetermined time; the green LED turns OFF when this happens on the 120 volt version, the LED cycles to RED on the 230 volt versions. The unit's sensitivity to input signals was increased on serial # JSELD 024125 and above; these units may stay ON, even when the input signal is absent. This is a normal condition, and does not compromise the safety, integrity, or dependability of the product in any way. The standby condition that took place on earlier versions was an electronic muting, and both versions draw the same amount of power at all times, whether muted or ON.
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