Was in to there shop on Almond St in Halifax last month to see Brian for a chat but the shop was empty and no forwarding location. So I think they may be out of bussiness and don't know where Brian went to work at . Who ever gets him will have a great tech with a lot of experience on his side. Albert Walfield Albert Walfield's Electronics RR#3 Bridgewater Nova Scotia CANADA B4V 2W2 Fax# 902 543-9831 ----- Original Message ----- From: <hartstv@xxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Thursday, May 08, 2003 4:23 PM Subject: [TechAssist] Re: 3rd & Final Post Need a Copy of a Schematic Pioneer Model DEH P47DH CAR DECK > > Al,Have u tryed HAMLENS;they are a Pioneer service centre down your way.A > good guy to talk to is Brian Tel#902-453-0400,He's there audio expert...... > Don of HARTS-TVCR-ASC > 9 Robert St,Oromocto,NB,Canada,E2V3N2 > Tel-506-357-9785,Fax-506-357-6010 > hartstv@xxxxxxxxxxx > > > > ----- Original Message ----- > From: "Albert Walfield" <albertwalfield@xxxxxxxxxxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Thursday, May 08, 2003 3:44 PM > Subject: [TechAssist] Re: 3rd & Final Post Need a Copy of a Schematic > Pioneer Model DEH P47DH CAR DECK > > > > > > Tom shorted Q565 E-C and got 9 volt on pin 14 of CN651.Checked voltage on > > pin 13 & 14 with faceplate removed there still no voltage on those pins. > > > > Is there any voltages on pin 20 of IC 601 and Q657 > > that can be checked? > > What are the pioneer part # for Q657 transistor & IC601 so I can get a > price > > from Argo Electronics on parts needed to give costumer an estimate . > > > > thanks > > Albert Walfield > > > > Albert Walfield's Electronics > > RR#3 > > Bridgewater > > Nova Scotia > > CANADA > > B4V 2W2 > > Fax# 902 543-9831 > > ----- Original Message ----- > > From: "Thomas Sherman" <bayside.electronics@xxxxxxxxxxxxxxx> > > To: <techassist@xxxxxxxxxxxxx> > > Sent: Thursday, May 08, 2003 2:34 PM > > Subject: [TechAssist] Re: 3rd & Final Post Need a Copy of a Schematic > > Pioneer Model DEH P47DH CAR DECK > > > > > > > Q656 is simply a switch which is controlled by Q657, which is controlled > > > by the system micro, IC601, pin 20. If you short Q656 E-C, you should > > > get 9 volts on pin 14 of CN651. If you do, then the problem is likely > > > Q657 or IC601. By the way, do you have voltage on pins 13 & 14 with the > > > faceplate removed? If so there may be a problem on the faceplate PCB. > > > > > > Tom @ Bayside Electronics > > > > > > Tom Sherman > > > Bayside Electronics > > > 305 Highway 303, Unit 4 > > > Digby, Nova Scotia > > > Canada B0V 1A0 > > > Phone/Fax (902) 245-5375 > > > bayside.electronics@xxxxxxxxxxxxxxx > > > > > > > > > > > > Albert Walfield wrote: > > > > > > >Have B+ on backup line > > > >Proper voltage on collector and emitter Q653, voltage on Q656 emitter > to > > > >ground 13.59 volts base to ground 13.66 volts > > > >collector to ground 0.00 volts. R575 33ohm resistor checked good no > > voltage > > > >at pin 13 at front panel connector & no voltage on pin 14 with front > > panel > > > >connected.Q565 checks ok > > > > At emitter of Q991 voltage was 8.5 volts. > > > > > > > >Font panel was connected for al reading and checks. > > > > > > > >What can I check next > > > > > > > >Albert > > > > > > > >----- Original Message ----- > > > >From: "Thomas Sherman" <bayside.electronics@xxxxxxxxxxxxxxx> > > > >To: <techassist@xxxxxxxxxxxxx> > > > >Sent: Thursday, May 08, 2003 9:52 AM > > > >Subject: [TechAssist] Re: 3rd & Final Post Need a Copy of a Schematic > > > >Pioneer Model DEH P47DH CAR DECK > > > > > > > > > > > > > > > > > > > >>Albert, do you have B+ on the backup line? That's the yellow wire on > the > > > >>harness. This supplies B+ to the illumination power supply, back light > > > >>power supply and the regulator circuit for the CD mechanism. Check for > > > >>12-14 volts on Q653 emitter and also on the collector, also on Q656 > > > >>emitter and collector, and on Q991 collector. The emitter of Q991 > > > >>should be approx. 8.7 volts. Q656 supplies the back light through pin > 13 > > > >>of the front panel connector, Q656 supplies illumination through R675 > > > >>to pin 14 of the connector at 9.1 volts, Q991 supplies 8.7 volts from > > > >>the emitter to pin 1 of CN681 to the CD mech. > > > >>Tom @ Bayside Electronics, Digby, NS > > > >> > > > >>Albert Walfield wrote: > > > >> > > > >> > > > >> > > > >>>Dead > > > >>> > > > >>>12 & 5 volts supplies on board. No clock, > > > >>>lights, display of any kind & cd player also dead will not spin or > load > > > >>> > > > >>> > > > >or > > > > > > > > > > > >>>eject cd has on already in it when it went dead . > > > >>>Checked board for cold solder joints and for faulty componenets > checked > > > >>> > > > >>> > > > >but > > > > > > > > > > > >>>I am at a disadvantage as I do not have a schematic for this model to > > > >>> > > > >>> > > > >take > > > > > > > > > > > >>>voltages in the circuits. > > > >>>. > > > >>>Any help would be appreciated > > > >>> > > > >>>thanks > > > >>>Albert Walfield > > > >>> > > > >>>Albert Walfield's Electronics > > > >>>RR#3 > > > >>>Bridgewater > > > >>>Nova Scotia > > > >>>CANADA > > > >>>B4V 2W2 > > > >>>Fax# 902 543-9831 > > > >>> > > > >>> > > > >>> > > > >>> > > > > > > >>************************************************************************** > > * > > > >> > > > >> > > > >** > > > > > > > > > > > >>>The Tech Address Book: > > > >>>http://www.tech-assist.org/secure/tip/contact.html > > > >>>Add a Repair Tip Here, or Change/Remove your Email Address: > > > >>>http://www.tech-assist.org/secure/tip/main.html > > > >>>Lost Password: > > > >>>http://www.tech-assist.org and select "Lost your Login Info?". > > > >>>Email Archives: > > > >>>//www.freelists.org/archives/techassist/ > > > >>> > > > >>> > > > >>> > > > >>> > > > >>> > > > >>-- > > > >>Tom Sherman > > > >>Bayside Electronics > > > >>305 Highway 303, Unit 4 > > > >>Digby, Nova Scotia > > > >>Canada B0V 1A0 > > > >>Phone/Fax (902) 245-5375 > > > >>bayside.electronics@xxxxxxxxxxxxxxx > > > >> > > > >> > > > >> > > > >> > > > >> > > > >> > > > >> > > > > > > >*************************************************************************** > > * > > > >* > > > > > > > > > > > >>The Tech Address Book: > > > >>http://www.tech-assist.org/secure/tip/contact.html > > > >>Add a Repair Tip Here, or Change/Remove your Email Address: > > > >>http://www.tech-assist.org/secure/tip/main.html > > > >>Lost Password: > > > >>http://www.tech-assist.org and select "Lost your Login Info?". > > > >>Email Archives: > > > >>//www.freelists.org/archives/techassist/ > > > >> > > > >> > > > > > > > > > > > > > > >*************************************************************************** > > ** > > > >The Tech Address Book: > > > >http://www.tech-assist.org/secure/tip/contact.html > > > >Add a Repair Tip Here, or Change/Remove your Email Address: > > > >http://www.tech-assist.org/secure/tip/main.html > > > >Lost Password: > > > >http://www.tech-assist.org and select "Lost your Login Info?". > > > >Email Archives: > > > >//www.freelists.org/archives/techassist/ > > > > > > > > > > > > > > > > > > -- > > > Tom Sherman > > > Bayside Electronics > > > 305 Highway 303, Unit 4 > > > Digby, Nova Scotia > > > Canada B0V 1A0 > > > Phone/Fax (902) 245-5375 > > > bayside.electronics@xxxxxxxxxxxxxxx > > > > > > > > > > > > > > > > > > **************************************************************************** > > * > > > The Tech Address Book: > > > http://www.tech-assist.org/secure/tip/contact.html > > > Add a Repair Tip Here, or Change/Remove your Email Address: > > > http://www.tech-assist.org/secure/tip/main.html > > > Lost Password: > > > http://www.tech-assist.org and select "Lost your Login Info?". > > > Email Archives: > > > //www.freelists.org/archives/techassist/ > > > > > > > **************************************************************************** > * > > The Tech Address Book: > > http://www.tech-assist.org/secure/tip/contact.html > > Add a Repair Tip Here, or Change/Remove your Email Address: > > http://www.tech-assist.org/secure/tip/main.html > > Lost Password: > > http://www.tech-assist.org and select "Lost your Login Info?". > > Email Archives: > > //www.freelists.org/archives/techassist/ > > > > > **************************************************************************** * > The Tech Address Book: > http://www.tech-assist.org/secure/tip/contact.html > Add a Repair Tip Here, or Change/Remove your Email Address: > http://www.tech-assist.org/secure/tip/main.html > Lost Password: > http://www.tech-assist.org and select "Lost your Login Info?". > Email Archives: > //www.freelists.org/archives/techassist/ > ***************************************************************************** The Tech Address Book: http://www.tech-assist.org/secure/tip/contact.html Add a Repair Tip Here, or Change/Remove your Email Address: http://www.tech-assist.org/secure/tip/main.html Lost Password: http://www.tech-assist.org and select "Lost your Login Info?". 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