Looking thru a pile of Magnavox schematics I came to the conclusion it must be a 27Y1 chassis. Z402 = 33 volt zener = 4835 130 37003 Bill At 02:29 PM 11/8/01 -0800, you wrote: >Try Chassis # 27Y100-00AA Another shop was working on this set and I was >getting the info off the back. Evidently the other shop mixed the backs >up. I took this chassis number off of the mother board itself this >time Sorry about the brain teaser. I didn't realize that this back was >not to this unit. Neil > > > > ** Original Subject: [TechAssist] Re: Magnavox Chassis 25T103-00 > > ** Original Sender: "Jim Myers" <jr.myers@xxxxxxxxxxx> > > ** Original Date: Thu, 8 Nov 2001 16:50:40 -0500 (EST) > > > ** Original Message follows... > > > > > I'm stumped, looking at schematic and parts list for Magnavox model RP2590 > > chassis 25T1 and there is no Z402, no IC345, no R406, the micro is > IC350, is > > this set an engineering model or something, strange. > > Jim Myers > > jr.myers@xxxxxxxxxxx > > ----- Original Message -----From: <tvdoctors@xxxxxxxxxxxxx> > > To: <techassist@xxxxxxxxxxxxx> > > Sent: Thursday, November 08, 2001 4:34 PM > > Subject: [TechAssist] Re: Magnavox Chassis 25T103-00 > > > > > > > One side of the zener diode goes through R406 to the raw 130volt line and > > the other side goes to pin 1 of IC345 (micro) through R418. Neil > > > > > > > > > > ** Original Subject: [TechAssist] Re: Magnavox Chassis 25T103-00 > > > > ** Original Sender: "Jim Myers" <jr.myers@xxxxxxxxxxx> > > > > ** Original Date: Thu, 8 Nov 2001 16:02:46 -0500 (EST) > > > > > > > ** Original Message follows... > > > > > > > > > > > No Z402 listed in FORCE manual or in Parts seeker program by model or > > > > chassis number, just received an update to the Force manuals today > so it > > > > should be up to date. Since it is a 400 series part it should be in the > > > > power supply but I don't see any zener diodes on the power supply > > schematic. > > > > Can you trace it and tell me what parts it connects to so I can look > > again? > > > > Jim Myers > > > > jr.myers@xxxxxxxxxxx > > > > ----- Original Message -----From: <tvdoctors@xxxxxxxxxxxxx> > > > > To: <techassist@xxxxxxxxxxxxx> > > > > Sent: Thursday, November 08, 2001 12:48 PM > > > > Subject: [TechAssist] Re: Magnavox Chassis 25T103-00 > > > > > > > > > > > > > Model Number is RP2590 A103. It's listed as Z402. Sorry about > > the > > > > misprint earlier, Neil > > > > > > > > > > > > > > > > ** Original Subject: [TechAssist] Re: Magnavox Chassis 25T103-00 > > > > > > ** Original Sender: "Jim Myers" <jr.myers@xxxxxxxxxxx> > > > > > > ** Original Date: Thu, 8 Nov 2001 12:37:00 -0500 (EST) > > > > > > > > > > > ** Original Message follows... > > > > > > > > > > > > > > > > > There doesn't seem to be a ZD anything is a 25T103 chassis Doc. > Also > > no > > > > > > Z402. There is a D402, p/n 483513037059, diode, fast, soft > recovery. > > > > > > Can you post a model number? > > > > > > Jim Myers > > > > > > jr.myers@xxxxxxxxxxx > > > > > > ----- Original Message -----From: <tvdoctors@xxxxxxxxxxxxx> > > > > > > To: <techassist@xxxxxxxxxxxxx> > > > > > > Sent: Thursday, November 08, 2001 10:57 AM > > > > > > Subject: [TechAssist] Magnavox Chassis 25T103-00 > > > > > > > > > > > > > > > > > > > Anyone happen to know the value of ZD402 on this chassis? > > Thanks, > > > > Neil > > > > > > > > > > > > > > TV Doctors 108 W. Main St. Monroe,Wa. 98272 360-794-6469 > > > > > > > > > > > > > > Help make your TechAssist online repair tips > > > > > > > database better! Submit your fixes here: > > > > > > > http://www.circuitwork.com/techassist/tip/#tips > > > > > > > To unsubscribe write to: > > > > > > > techassist-request@xxxxxxxxxxxxx > > > > > > > with unsubscribe in the subject line. > > > > > > > > > > > > Help make your TechAssist online repair tips > > > > > > database better! Submit your fixes here: > > > > > > http://www.circuitwork.com/techassist/tip/#tips > > > > > > To unsubscribe write to: > > > > > > techassist-request@xxxxxxxxxxxxx > > > > > > with unsubscribe in the subject line. > > > > > > > > > > > > > > > >** --------- End Original Message ----------- ** > > > > > > > > > > > > > > > > > > > > > TV Doctors 108 W. Main St. Monroe,Wa. 98272 360-794-6469 > > > > > > > > > > Help make your TechAssist online repair tips > > > > > database better! Submit your fixes here: > > > > > http://www.circuitwork.com/techassist/tip/#tips > > > > > To unsubscribe write to: > > > > > techassist-request@xxxxxxxxxxxxx > > > > > with unsubscribe in the subject line. > > > > > > > > > > > > > Help make your TechAssist online repair tips > > > > database better! Submit your fixes here: > > > > http://www.circuitwork.com/techassist/tip/#tips > > > > To unsubscribe write to: > > > > techassist-request@xxxxxxxxxxxxx > > > > with unsubscribe in the subject line. > > > > > > > > > >** --------- End Original Message ----------- ** > > > > > > > > > > > > > TV Doctors 108 W. Main St. Monroe,Wa. 98272 360-794-6469 > > > > > > Help make your TechAssist online repair tips > > > database better! Submit your fixes here: > > > http://www.circuitwork.com/techassist/tip/#tips > > > To unsubscribe write to: > > > techassist-request@xxxxxxxxxxxxx > > > with unsubscribe in the subject line. > > > > Help make your TechAssist online repair tips > > database better! Submit your fixes here: > > http://www.circuitwork.com/techassist/tip/#tips > > To unsubscribe write to: > > techassist-request@xxxxxxxxxxxxx > > with unsubscribe in the subject line. > > > >** --------- End Original Message ----------- ** > > > > >TV Doctors 108 W. Main St. Monroe,Wa. 98272 360-794-6469 > >Help make your TechAssist online repair tips >database better! Submit your fixes here: >http://www.circuitwork.com/techassist/tip/#tips >To unsubscribe write to: >techassist-request@xxxxxxxxxxxxx >with unsubscribe in the subject line. Bill's TV Service Route 1 Box 11 Sulphur Springs, TX 75482 Help make your TechAssist online repair tips database better! Submit your fixes here: http://www.circuitwork.com/techassist/tip/#tips To unsubscribe write to: techassist-request@xxxxxxxxxxxxx with unsubscribe in the subject line.