Re: Tech - Wurlitzer OMT 1015-CD problems

El lunes, 16 de octubre de 2017 a las 21:28:06 UTC-5, Greg Lentz escribió:
> Jay, 
> 
> tried to send this shortly after my other post but it wouldn't send.
> Follow up after seeing your posted pictures. I see Wurlitzer updated the 4 
> S&CC relays. My transparent relays have been replace by the large orange/red 
> relay devices along the lower left bottom of the circuit board. I don't have 
> my schematic with me but it's likely the transistors immediately above those 
> orange/red relays are controlling the relays. If one of those goes bad it 
> might be the cause of your problem. If those "relays" are solid state I'm 
> not sure how to check the relays themselves. If they are still mechanical 
> you should be able to hear or feel them clicking. If the "K" led is flashing 
> only intermittently, not continuously lit or not flashing fairly rapidly and 
> regularly then their that is trying to tell you something. I don't remember 
> exactly but it could be the "K" led is only supposed to flash when the 
> carousel is rotating. 
> 
> Greg
> "Greg Lentz" wrote in message news:[email protected]...
> On 10/24/2016 1:26 AM, jbenz wrote: 
> > John Robertson;698151 Wrote: 
> >> 
> >> John Robertson;698144 Wrote:- 
> >> - 
> >> 
> >> Can't help for a few days. Will review this over this weekend and see 
> >> what further steps I can advise... 
> >> 
> >> A quick thought is to check that the microswitches all show zeroish 
> >> resistance when closed (power off, computer unplugged) and infinite when 
> >> 
> >> open on the off chance that either the K7 or safety micro switch are 
> >> defective. 
> >> 
> >> John :-#)# 
> >> 
> >> -- 
> >> (Please post followups or tech inquiries to the USENET newsgroup) 
> >> John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9 
> >> (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, Video Games) 
> >> www.flippers.com 
> >> "Old pinballers never die, they just flip out." 
> > 
> > Hi John, 
> > I tested the three micro-switches up top and all tested good. 
> > 
> > Jay 
> > 
> > 
> > 
> > 
> Jay, 
> 
> Have you obtained the Field service manuals? Check flippers.com. Any 
> manual that has the CDM12 or CD-pro should be appropriate. Has a decent 
> troubleshooting section. You will also find sections to check player 
> operation, gripper arm, cd carrier etc. The player can be checked by 
> itself using the player control buttons. The other functions must be 
> done by putting the S&CC into service mode and then pressing the LT 
> button to reboot the S&CC. The flashing 8 + your other symptoms may be a 
> bad transistor (T4) in the S&CC. Could also be a bad solenoid(Relay) in 
> the S&CC (relay 4). The very short time the CD is on the player would 
> generally mean the S&CC is skipping the step to tell the CD Player to 
> play the CD. This can happen if one of the microswitches K1, K6, K7 etc 
> are not working right, especially K1 in this case, or if one of the big 
> relays with the transparent covers on the S&CC are not working. The 
> relay not working correctly is usually the result of a bad transistor 
> that controls it. It sounds like this is happening even though there are 
> no credits available to play. So it could be something related to the 
> credit circuits. Is this doing this right away? When first turned on the 
> carrier should rotate to home itself. You should have an early model CD 
> Pro unless it's been replaced by a newer CD-Pro. OMT's were switched to 
> CD Pro's ~April/May 1998. 
> 
> Have you taken the cover off the computer? If not you should, to make 
> sure the small back-up battery hasn't leaked. 
> 
> The missing -30V is important but I don't remember if -30v should be 
> present at all times or only when going into play mode. 
> 
> One simple thing to check is the Cancel button on the "remote" volume 
> control (on the back of the jukebox). Maybe it is stuck closed. I think 
> you can unplug the control from the amplifier without affecting basic 
> functionality (power off first). 
> 
> Greg
Hello, any news ?. I have the same problem...