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can anyone help with service ie schematic etc for the si4015 demodmeter pcb?.

Does anyone have the manual for the JSR RM3500 automatic modulation meter? Thank you. Marcelo F. Ruiz

my messages are not getting posted,been happening for about 2 weeks now!, why is this?.

can anyone send me the demodmeter schematic+boaordview files? my service manual has them missing.

Hello, have you solved? I'm become crazy with two 4015 and the DEMOD unit with same check fault. Sometimes the self check fail and the most probably cause is the FM offset with 9 and 20 kHz fault. But

Hello, about the PSU have you done to supply the 4015 by the external plug ? If the PSU works you have two choice fix the primary section or use an external PSU. '73 Carlo

have the mods fell asleep on the job as no messages are getting posted! WTF is going on??.

ARE THERE NO WORKING MODS?,MY MESSAGES ARE NOT GETTING POSTED!!!! WTF.

has anyone a spare demod pcb or schematic?.

Does anyone have a scan of the demod board schematic, all the service manuals i downloaded have it missing!, thanks Paul.

can anyone help with service ie schematic etc for the si4015 demodmeter pcb?.

Hi there! After repairing my 4015 I went through the "Adjustment an Test Procedure" and got stuck at the point where I shall set R295 according some power levels. I looked around but couldn't find

Hello Ulrich, sorry for the delay! We used battery packs with integrated BNS, so just connect the 4 wires (each 2 for + and -) and go on. The newer packs have different configurations i.e. a separate

Hi Frank! Good to know. I was opting for LiFePo4 instead of Li-Ion as these are less prone to blow up if charged other then 50% on longer storage. And LiFePo4 does sustain longer storage times without

Hello Ulrich, you can use a standard Li-Ion pack with 4 cells in series (4S4P) and an integrated BMS. The charging voltage of the 4015 is high enough to charge it completely. But beware of the small

Hello Ulrich, you can use a Li-Ion-battery such as 4S4P or bigger (4S5P or 4S6P) without modifications. I've done it with success. There is only a cosmetic problem, the battery is not recognized in

Hi! Does anyone have data or pictures of the internal battery pack of the SI 4015? I am interested in number of cells and arrangement. As it was charge-controlled by a simple temperature measurement,

I'd like to continue on that collection of goodies for anything Schlumberger. And I want to extend that to 4040 and 4015 units as well. I recently ran into the problem that my 4015 DEMOD PCB was an

Update: *1) New Filter* I tried to rig up a filter test for the 9kHz 450G filter but the ordered LT450GW arrived and I had the filter in question already removed. I got some matching schematics and