Where do you buy this from Andrews? and is this the # you order by ,TCE cd or do you order from RCA? thanks Richard ----- Original Message ----- From: "Wayne Vanaman" <Wayne@xxxxxxxxxxxxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Monday, January 07, 2002 5:41 AM Subject: [TechAssist] Re: CTC 187BD2 dead > > Richard: > > Although the SAMS is a Little cheaper, the TCE CD for the ENTIRE ctc186/187 > series is available for about $35. > Also, the ctc177 should be close enough, in most cases, to help you on this, > so, if you have one... > > Wayne Vanaman > Omega Electronics > 6904 W Fairfield Dr > Penacola, Fl. 32506-3310 > > 850-456-5995 voice > 850-458-6369 fax > > Wayne@xxxxxxxxxxxxxxxxxxxxx > WWW.PensacolaTVRepair.Com > > > ----- Original Message ----- > From: "Richard Golden d.b.a. Golden Video Repair Center" <reldong@xxxxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Monday, January 07, 2002 1:23 AM > Subject: [TechAssist] Re: CTC 187BD2 dead > > > > > > Thanks Dennis > > Yes it was 1.3 v on pin 4 of u4101 my mistake.I wrote > > it down right but typed it in wrong sorry. > > I'm working without a schematic for this unit,.I will order > > a sams for this unit. You have put me in the right direction thanks. I > was > > trying to repair unit without ordering sams or expensive parts.I only have > > $85.00 to work with on this unit. when I find the fix I will post it. > > thanks. > > Richard > > > > > > ----- Original Message ----- > > From: "Dennis Viereck" <wa6ati@xxxxxxxxxxxxxx> > > To: <techassist@xxxxxxxxxxxxx> > > Sent: Sunday, January 06, 2002 10:20 PM > > Subject: [TechAssist] Re: CTC 187BD2 dead > > > > > > > I'm confused. Originally you stated that U4101(4) =0 volts. Are you now > > saying > > > that it is really 1.3 volts? Or only when you isolate the pin on > U4101(4)? > > > > > > It appear that U4101 is not running. I would try to start this device at > > low > > > voltage. Using a variac at 10 vac should start this supply running and > > when the > > > the A.C. voltage gets to about 40 vac the secondary will rise to near > > normal > > > levels. If it never starts oscillation then I would suspect U4101. > > > > > > If oscillation starts and exceeds secondary voltages and shuts off > suspect > > > C4127 or associated circuit. This is the filter for the feedback > > comparison for > > > the error amp in U4101. > > > > > > Dennis Viereck > > > > > > > > > > > > > > > "Richard Golden d.b.a. Golden Video Repair Center" wrote: > > > > > > > r4104 has 165v in out 1.3v out , then unsoldered u4101 now has 144v > out > > of > > > > r4104, resistor is good, replace u4101 or? > > > > thanks > > > > Richard > > > > > > > > ----- Original Message ----- > > > > From: "Dennis Viereck" <wa6ati@xxxxxxxxxxxxxx> > > > > To: <techassist@xxxxxxxxxxxxx> > > > > Sent: Sunday, January 06, 2002 9:03 PM > > > > Subject: [TechAssist] Re: CTC 187BD2 dead > > > > > > > > > > > > > > Assuming U4101(4) is at 0 volts then I would have to check R4104 a > 1.5 > > > > > meg 1/2 watt resistor. This is the soft start resistor. It may be > open > > > > > or something is loading down the input of U4104(4) > > > > > > > > > > Dennis Viereck > > > > > > > > > > Richard Golden wrote: > > > > > > > > > > > CTC187BD2 d.o.a checked common known problems > > > > > > with this chassic everything checks good ohms check > > > > > > etc. replaced cr4106 cr4107,fuse good ,hot qood > > > > > > Q4101( C) +5.99v,Q4301=(C)=0v, U3201 0v on all, > > > > > > r4104 =+165v Q4303=0v, ( regulator #1=+1.5v, > > > > > > 2&3=0v), (r4128= -2v ), U4101 pins (1=-2v), > > > > > > (2=-1.2v), (3=0),( > > > > > > 4=0),(5=+1.5v),(6=+1.5v),7=+.019v), > > > > > > (8=0v), (9=0v), (10=0v), (11&12 =+163v) > > > > > > any help appreciated > > > > > > > Richard > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > ===== > > > > > > > Richard Golden > > > > > > > Golden Video Repair Center > > > > > > > 1214 e. 6th street > > > > > > > ontario ca. 91764 > > > > > > > (909)988-3356 > > > > > > > > > > > > > > reldong@xxxxxxxxx > > > > > > > > > > > > > > __________________________________________________ > > > > > > > > > > > > ===== > > > > > > Richard Golden > > > > > > Golden Video Repair Center > > > > > > 1214 e. 6th street > > > > > > ontario ca. 91764 > > > > > > (909)988-3356 > > > > > > > > > > > > reldong@xxxxxxxxx > > > > > > > > > > > > __________________________________________________ > > > > > > Do You Yahoo!? > > > > > > Send FREE video emails in Yahoo! Mail! > > > > > > http://promo.yahoo.com/videomail/ > > > > > > ------------------------------------------ > > > > > > Help make your TechAssist database better! > > > > > > Submit your fixes here: > http://circuitwork.com/techassist/tip/#tips > > > > > > ------------------------------------------ > > > > > > To UNSUBSCRIBE your email address, click here: > > > > > > mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe > > > > > > Or send a BLANK email with unsubscribe in the > > > > > > SUBJECT field to the address above. > > > > > > > > > > ------------------------------------------ > > > > > Help make your TechAssist database better! > > > > > Submit your fixes here: http://circuitwork.com/techassist/tip/#tips > > > > > ------------------------------------------ > > > > > To UNSUBSCRIBE your email address, click here: > > > > > mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe > > > > > Or send a BLANK email with unsubscribe in the > > > > > SUBJECT field to the address above. > > > > > > > > ---------------------------------------------------- > > > > Sign Up for NetZero Platinum Today > > > > Only $9.95 per month! > > > > http://my.netzero.net/s/signup?r=platinum&refcd=PT97 > > > > ------------------------------------------ > > > > Help make your TechAssist database better! > > > > Submit your fixes here: http://circuitwork.com/techassist/tip/#tips > > > > ------------------------------------------ > > > > To UNSUBSCRIBE your email address, click here: > > > > mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe > > > > Or send a BLANK email with unsubscribe in the > > > > SUBJECT field to the address above. > > > > > > > > > ------------------------------------------ > > > Help make your TechAssist database better! > > > Submit your fixes here: http://circuitwork.com/techassist/tip/#tips > > > ------------------------------------------ > > > To UNSUBSCRIBE your email address, click here: > > > mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe > > > Or send a BLANK email with unsubscribe in the > > > SUBJECT field to the address above. > > > > ---------------------------------------------------- > > Sign Up for NetZero Platinum Today > > Only $9.95 per month! > > http://my.netzero.net/s/signup?r=platinum&refcd=PT97 > > ------------------------------------------ > > Help make your TechAssist database better! > > Submit your fixes here: http://circuitwork.com/techassist/tip/#tips > > ------------------------------------------ > > To UNSUBSCRIBE your email address, click here: > > mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe > > Or send a BLANK email with unsubscribe in the > > SUBJECT field to the address above. > > > > > > ------------------------------------------ > Help make your TechAssist database better! > Submit your fixes here: http://circuitwork.com/techassist/tip/#tips > ------------------------------------------ > To UNSUBSCRIBE your email address, click here: > mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe > Or send a BLANK email with unsubscribe in the > SUBJECT field to the address above. ---------------------------------------------------- Sign Up for NetZero Platinum Today Only $9.95 per month! http://my.netzero.net/s/signup?r=platinum&refcd=PT97 ------------------------------------------ Help make your TechAssist database better! 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