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Re: HP 4195A HELP only horisontal lines on CRT when switch on
Hi Helge, the result of that action and the resuming answer is ... Sometime moving and shaking helps ! Or to say it in german : Manchmal hilft Handauflegen, es mu? nur fest genug sein ( m/(v*v)
By Herbert · #47357 ·
Re: HP 4195A HELP only horisontal lines on CRT when switch on
Dan, Pulled A6 CPU board , check battery voltage, it was ok, A6 back in HP4195A, all OK ! It works perfect, but what did I learn ??? Time will show, if i break's again I will
By Helge Kyndbo <kyndbo@...> · #47356 ·
Re: Repair HP 9100A calculator
I think he meant pin to pin diameter across the widest point as distinct from the diameter of the individual pins (so probably about to 40mm?) Regards, David Partridge
By David C. Partridge · #47355 ·
Re: Repair HP 9100A calculator
14 pins, but pin 13 and 6 are not there Front is 121.3 x 82.3 mm max. The socket is 57 mm diameter, the glass neck is 50,75 mm Length max is 28 cm, there is room upto about 32 cm including socket The
By PA4TIM · #47354 ·
Re: Repair HP 9100A calculator
How big is the face of the CRT? ?Rectangular, square, round? What is the diameter of the CRT pins on the connector (not the pins themselves, but the? socket size)? How many pins? I have some
By Jim Cotton · #47353 ·
Re: HP 4195A HELP only horisontal lines on CRT when switch on
Dan, Good idea, will try and report back, helge
By Helge Kyndbo <kyndbo@...> · #47352 ·
Re: HP 4195A HELP only horisontal lines on CRT when switch on
Helge: The 4195A has a unique CPU board. When the battery is bad, it won't come out of reset. Replace the battery on the CPU board and it should boot right up. Dan in Chandler,
By Daniel Nelson · #47351 ·
HP 5351B ROM Needed
Hi all.. I have a 5351B with a bad Rom on the A4 CPU board. The board number is 05350-60014. Rom is U17 marked 05350-80013. If anyone has a junker unit, a spare or surplus to needs rom, I could use
By Daniel Nelson · #47350 ·
Re: Fluke 731B Manual or Schematic?
The manual from Fluke has a hand written note on the schematic that if the voltage at A1 is not 'about the same' on line and battery, there can be a difference on the output voltage, 'if 1.3 volt
By J. L. Trantham · #47349 ·
Re: Fluke 731B Manual or Schematic?
Enter 731b in the top search box and hit go. When the page comes up, scroll down to the manual.
By Tom Miller <tmiller11147@...> · #47348 ·
Re: Fluke 731B Manual or Schematic?
Also, might want to try the 'volt-nuts' list. Joe
By J. L. Trantham · #47346 ·
Re: Fluke 731B Manual or Schematic?
I just read a PDF I received and it sounded as though the battery pack is unnecessary unless "in the field". Is that your experience or do the batteries add stability? Thanks! David
By [email protected] <qrv@...> · #47347 ·
Re: Fluke 731B Manual or Schematic?
I have two scanned manuals for the 731B. One I got from Fluke. Just look at their 'Support' section under 'Manuals'. The other, I don't recall where I got it. There is a slight difference in the
By J. L. Trantham · #47345 ·
Re: Fluke 731B Manual or Schematic?
Sure appreciated! Just also located .pdf's for manual & memory info. Thanks! -- Thanks! & 73, KD4E.com David Colburn nevils-station.com I don't google I SEARCH! duckduckgo.com Network:
By [email protected] <qrv@...> · #47344 ·
Re: Fluke 731B Manual or Schematic?
Tom, Thanks but no joy ... David -- Thanks! & 73, KD4E.com David Colburn nevils-station.com I don't google I SEARCH! duckduckgo.com Network: groups.yahoo.com/group/qrv Restored to design-spec at
By [email protected] <qrv@...> · #47343 ·
Re: Fluke 731B Manual or Schematic?
David I think there is Fluke group so generally I would recommend that you would have better luck over there I have a copy of the file someone gave me ( not my scan) which I just emailed
By Artekmedia <manuals@...> · #47342 ·
Re: Fluke 731B Manual or Schematic?
http://www.fluke.com/fluke/usen/support/manuals/default.htm
By Tom Miller <tmiller11147@...> · #47341 ·
Fluke 731B Manual or Schematic?
Any chance anyone has a scanned copy of the Fluke 731B Voltage Reference manual or schematic, please? Picked this up at a recent Hamfest and would like to see about breathing life back into
By [email protected] <qrv@...> · #47340 ·
Re: CONNECTOR RECEPTACLE ELECTRICAL SCM22D/7-1HP
Thanks John, Dan, Dennis will try to buy this mentioned ebay so it has news I post here is to recover the HP3586B Thanks a Lot for all? Joarez? ________________________________ De: Dennis
By joarez siczkoriz · #47339 ·
HP 4195A HELP only horisontal lines on CRT when switch on
I only see the "unlock" led light up for 5 seconds, then "ext ref" turns on. And the CRT is only filled with horisontal lines. All 8 led's light's on both cards with CPU and EPROM's. Google on this
By kyndbo <kyndbo@...> · #47338 ·