[TechAssist] Re: Fw: Sony- HCD-BX6 or MHC-BX6 Stereo/CD UPDATE
- From: "J Silverman" <greentron@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 9 Oct 2005 21:01:26 -0400
The IC contains transistor bridge circuits capable of making either motor
lead high or low so as to be able to reverse the motor direction, according
to the logic inputs to the IC. So the ground is through the IC.
Jerry Silverman Greentron Inc
Mail to: greentron@xxxxxxx
4 Newland Ave Greenville SC
29609 864 232 3889
----- Original Message -----
From: "Don Hartigan" <hartstv@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Sunday, October 09, 2005 12:59 PM
Subject: [TechAssist] Re: Fw: Sony- HCD-BX6 or MHC-BX6 Stereo/CD UPDATE
> Ya Al & Jerry,On this unit it's IC703=BA5936A,which I replaced.I have the
> necessary drive voltage from the ic to the sled & spindal motors but have
> equal volts on both pins of each motor.What I can't figure out is where
the
> ground comes from to enable the motors..Tks for your
> i/p...............Don....
> 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: "Al Gutz" <alg@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Saturday, October 08, 2005 10:25 PM
> Subject: [TechAssist] Re: Fw: Sony- HCD-BX6 or MHC-BX6 Stereo/CD UPDATE
>
>
> > Don
> >
> > Normally one side of the motor goes to a transistor or IC which is used
> > as a switch and in some cases used to reverse the +- turn motor opposite
> > direction.
> >
> > Al G
> >
> > Don Hartigan wrote:
> >> After rechecking my voltages on the Sled,& Spindal motors found I have
> >> 4volts on both pin of both motors.So it looks like I'm missing a ground
> >> to enable the motors.Normally when you turn a cd player on the lazer
will
> >> move to the centre of disc,do it's up/down motion & the cd will start
to
> >> spin.This unit is inert,ie dead,no movement at all.Does the ground come
> >> from a switching transistor?? Need assistance.....TIA....Don......
> >> 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: Don Hartigan
> >> To: repair@xxxxxxxxxxxxxxx
> >> Sent: Friday, September 30, 2005 1:58 AM
> >> Subject: Sony- HCD-BX6 or MHC-BX6 Stereo/CD
> >>
> >> The above minishelf audio sys has no operation of the CD sled,spindal
> >> motor.Also no up/down action of the lazer.This 3 disc carosal will
> >> open/close & turntable will rotate.Paul Westcott sent me a 5 meg file
for
> >> this unit but I lost it.Looks like no volts getting to the lazer assy &
> >> motors.Can someone tell me where the voltages for lazer assy comes
from.I
> >> replaced IC703=BA5936.If no tips available can someone please send me a
> >> pdf file for this model.If Paul is reading this,tks for sending the
> >> file[which I lost].Tryed doing a search of my hard-drive with no
> >> luck...TIA....
> >> Don of HARTS-TVCR"ASC"
> >> 9 Robert St.,Oromocto,NB,Canada,E2V3N2
> >> Tel#506-357-9785,Fax#506-357-6010
> >> hartstv@xxxxxxxxxxx
>
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