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#1
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Kenwood TM-732A Pilot Lamps Out
The panel lamps on my Kenwood TM-732A are not functioning. I checked
and found 0 voltage at the lamps with any setting of the dimmer. They are driven by a 2SB1149 Darlington transistor (Q1). Anyone have any experience with this problem? I guess I could just replace Q1 and see if that fixes it. Dick |
#2
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hi dick,
here is link for you about repairs, lots of good people there, come join us. http://groups.yahoo.com/group/Amateur-repairs/ regards, dude.. Dick wrote: The panel lamps on my Kenwood TM-732A are not functioning. I checked and found 0 voltage at the lamps with any setting of the dimmer. They are driven by a 2SB1149 Darlington transistor (Q1). Anyone have any experience with this problem? I guess I could just replace Q1 and see if that fixes it. |
#3
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It looks like it is the pilot lamps after all. Being in series threw
me off when checking the voltage. I had asked in another thread about where to buy them. Pretty expensive at $3.57 each when regular grain of wheat go for about 29-cents. Guess I will have to pony up the cash if I want them from the Kenwood distributor. Wish I could find a cross-reference. Dick On Mon, 02 May 2005 01:35:30 GMT, kenwood_dude wrote: hi dick, here is link for you about repairs, lots of good people there, come join us. http://groups.yahoo.com/group/Amateur-repairs/ regards, dude.. Dick wrote: The panel lamps on my Kenwood TM-732A are not functioning. I checked and found 0 voltage at the lamps with any setting of the dimmer. They are driven by a 2SB1149 Darlington transistor (Q1). Anyone have any experience with this problem? I guess I could just replace Q1 and see if that fixes it. |
#4
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It looks like it is the pilot lamps after all. Being in series threw me off when checking the voltage. I had asked in another thread about where to buy them. Pretty expensive at $3.57 each when regular grain of wheat go for about 29-cents. Guess I will have to pony up the cash if I want them from the Kenwood distributor. Wish I could find a cross-reference. You could get creative and try replacing them with LEDs of suitable color, (and with appropriate limiting resister). Usually works, and you'll never have a bulb go out again. Ed K7AAT |
#5
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On Mon, 02 May 2005 19:49:47 GMT, Ed
wrote: It looks like it is the pilot lamps after all. Being in series threw me off when checking the voltage. I had asked in another thread about where to buy them. Pretty expensive at $3.57 each when regular grain of wheat go for about 29-cents. Guess I will have to pony up the cash if I want them from the Kenwood distributor. Wish I could find a cross-reference. You could get creative and try replacing them with LEDs of suitable color, (and with appropriate limiting resister). Usually works, and you'll never have a bulb go out again. Ed K7AAT I took the easy (expensive) way out and ordered them from the Kenwood west coast distributor. Ordered a service manual while I was at it. The lamps were almost as much as the manual. :-( 73, Dick - W6CCD |
#6
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In article ,
Dick LeadWinger wrote: On Mon, 02 May 2005 19:49:47 GMT, Ed wrote: It looks like it is the pilot lamps after all. Being in series threw me off when checking the voltage. I had asked in another thread about where to buy them. Pretty expensive at $3.57 each when regular grain of wheat go for about 29-cents. Guess I will have to pony up the cash if I want them from the Kenwood distributor. Wish I could find a cross-reference. You could get creative and try replacing them with LEDs of suitable color, (and with appropriate limiting resister). Usually works, and you'll never have a bulb go out again. Ed K7AAT I took the easy (expensive) way out and ordered them from the Kenwood west coast distributor. Ordered a service manual while I was at it. The lamps were almost as much as the manual. :-( 73, Dick - W6CCD Ditto on lamps for the TS-2000, six for $25.02 plus $8.50 shipping. Expensive little things. DJ -- email: |
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