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  • Pioneer SC-63 receiver memory problem

    From Bob F@21:1/5 to All on Sun Oct 10 10:25:59 2021
    In the past, I have had problems with certain system settings changing
    if the power to the receiver got disconnected. For months, I have had
    the zone 2 output enabled, and have been disconnecting the power at
    night because normally turning the receiver off with the remote leaves
    the zone 2 amplifier on, wasting power.

    When I turned on the power in the morning, zone 2 would come on, then
    the remote would turn everything on. I tried an experiment with the
    A.P.D. settings setting the zone 2 to 30 minutes rather than off,
    thinking that maybe that would turn the zone2 off after 30 minutes with
    no audio, but found instead that it would turn off zone 2 after the unit
    had been ON for 30 minutes.

    I reset the A.P.D. zone 2 setting to off. Ever since that experiment,
    whenever I cycle the power to the unit, it turns on with the A.P.D.
    setting for zone 2 at 30 minutes, causing it to turn off the sound in
    the kitchen after 30 minutes. Resetting the A.P.D. for zone 2 to off
    does not help. it is still 30 after the next power cycle.

    My suspicion is that the setting storage memory is failing. Some
    receivers, I have read, have had similar problems because of a failing
    supercap supplying power to a memory chip when power is disconnected.
    Has anyone had any experience with this problem that could assist me in
    finding a solution.

    I have not opened it up yet as this is my everyday sound system, and
    want to inform my self as well as I can whether I am heading the right direction, and how to locate the failing part if I am right.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From legg@21:1/5 to Bob F on Sun Oct 10 15:18:33 2021
    On Sun, 10 Oct 2021 10:25:59 -0700, Bob F <bobnospam@gmail.com> wrote:


    In the past, I have had problems with certain system settings changing
    if the power to the receiver got disconnected. For months, I have had
    the zone 2 output enabled, and have been disconnecting the power at
    night because normally turning the receiver off with the remote leaves
    the zone 2 amplifier on, wasting power.

    When I turned on the power in the morning, zone 2 would come on, then
    the remote would turn everything on. I tried an experiment with the
    A.P.D. settings setting the zone 2 to 30 minutes rather than off,
    thinking that maybe that would turn the zone2 off after 30 minutes with
    no audio, but found instead that it would turn off zone 2 after the unit
    had been ON for 30 minutes.

    I reset the A.P.D. zone 2 setting to off. Ever since that experiment, >whenever I cycle the power to the unit, it turns on with the A.P.D.
    setting for zone 2 at 30 minutes, causing it to turn off the sound in
    the kitchen after 30 minutes. Resetting the A.P.D. for zone 2 to off
    does not help. it is still 30 after the next power cycle.

    My suspicion is that the setting storage memory is failing. Some
    receivers, I have read, have had similar problems because of a failing >supercap supplying power to a memory chip when power is disconnected.
    Has anyone had any experience with this problem that could assist me in >finding a solution.

    I have not opened it up yet as this is my everyday sound system, and
    want to inform my self as well as I can whether I am heading the right >direction, and how to locate the failing part if I am right.

    Can it remember settings for shorter time intervals of being off?

    RL

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From abrsvc@21:1/5 to legg on Mon Oct 11 05:13:10 2021
    On Sunday, October 10, 2021 at 3:16:43 PM UTC-4, legg wrote:
    On Sun, 10 Oct 2021 10:25:59 -0700, Bob F <bobn...@gmail.com> wrote:


    In the past, I have had problems with certain system settings changing
    if the power to the receiver got disconnected. For months, I have had
    the zone 2 output enabled, and have been disconnecting the power at
    night because normally turning the receiver off with the remote leaves
    the zone 2 amplifier on, wasting power.

    When I turned on the power in the morning, zone 2 would come on, then
    the remote would turn everything on. I tried an experiment with the
    A.P.D. settings setting the zone 2 to 30 minutes rather than off,
    thinking that maybe that would turn the zone2 off after 30 minutes with
    no audio, but found instead that it would turn off zone 2 after the unit >had been ON for 30 minutes.

    I reset the A.P.D. zone 2 setting to off. Ever since that experiment, >whenever I cycle the power to the unit, it turns on with the A.P.D.
    setting for zone 2 at 30 minutes, causing it to turn off the sound in
    the kitchen after 30 minutes. Resetting the A.P.D. for zone 2 to off
    does not help. it is still 30 after the next power cycle.

    My suspicion is that the setting storage memory is failing. Some
    receivers, I have read, have had similar problems because of a failing >supercap supplying power to a memory chip when power is disconnected.
    Has anyone had any experience with this problem that could assist me in >finding a solution.

    I have not opened it up yet as this is my everyday sound system, and
    want to inform my self as well as I can whether I am heading the right >direction, and how to locate the failing part if I am right.
    Can it remember settings for shorter time intervals of being off?

    RL

    I would check the service manual at the link below. There may be a capacitor used to retain the settings rather than a battery and this could be failing.

    Dan

    Link: https://elektrotanya.com/pioneer_sc-63_sc-61_sc-1227-k_sc-1222-k_rrv4324_av_receiver.pdf/download.html

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Bob F@21:1/5 to legg on Tue Oct 12 16:09:25 2021
    On 10/10/2021 12:18 PM, legg wrote:
    On Sun, 10 Oct 2021 10:25:59 -0700, Bob F <bobnospam@gmail.com> wrote:


    In the past, I have had problems with certain system settings changing
    if the power to the receiver got disconnected. For months, I have had
    the zone 2 output enabled, and have been disconnecting the power at
    night because normally turning the receiver off with the remote leaves
    the zone 2 amplifier on, wasting power.

    When I turned on the power in the morning, zone 2 would come on, then
    the remote would turn everything on. I tried an experiment with the
    A.P.D. settings setting the zone 2 to 30 minutes rather than off,
    thinking that maybe that would turn the zone2 off after 30 minutes with
    no audio, but found instead that it would turn off zone 2 after the unit
    had been ON for 30 minutes.

    I reset the A.P.D. zone 2 setting to off. Ever since that experiment,
    whenever I cycle the power to the unit, it turns on with the A.P.D.
    setting for zone 2 at 30 minutes, causing it to turn off the sound in
    the kitchen after 30 minutes. Resetting the A.P.D. for zone 2 to off
    does not help. it is still 30 after the next power cycle.

    My suspicion is that the setting storage memory is failing. Some
    receivers, I have read, have had similar problems because of a failing
    supercap supplying power to a memory chip when power is disconnected.
    Has anyone had any experience with this problem that could assist me in
    finding a solution.

    I have not opened it up yet as this is my everyday sound system, and
    want to inform my self as well as I can whether I am heading the right
    direction, and how to locate the failing part if I am right.

    Can it remember settings for shorter time intervals of being off?

    RL


    I was changing a setting, then powering down and back on, and the change
    was gone, so it seemed the answer was no. Testing it again today with
    short term power off, and it is remembering perfectly. I did not turn
    off the power to it last night. I have no idea if that related to the
    problem. I set the speaker size to "small" yesterday, so it will send
    audio to my subwoofer, and that setting is still there today too. It is
    the first time I can remember it did not go back to "large" when I had
    the desire to power up the sub.

    It has me wondering if it only saves the memory after some significant
    time on after a change.

    I will try powering it down again tonight and see if that causes changes
    again.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Bob F@21:1/5 to abrsvc on Tue Oct 12 16:51:15 2021
    On 10/11/2021 5:13 AM, abrsvc wrote:
    On Sunday, October 10, 2021 at 3:16:43 PM UTC-4, legg wrote:
    On Sun, 10 Oct 2021 10:25:59 -0700, Bob F <bobn...@gmail.com> wrote:


    In the past, I have had problems with certain system settings changing
    if the power to the receiver got disconnected. For months, I have had
    the zone 2 output enabled, and have been disconnecting the power at
    night because normally turning the receiver off with the remote leaves
    the zone 2 amplifier on, wasting power.

    When I turned on the power in the morning, zone 2 would come on, then
    the remote would turn everything on. I tried an experiment with the
    A.P.D. settings setting the zone 2 to 30 minutes rather than off,
    thinking that maybe that would turn the zone2 off after 30 minutes with
    no audio, but found instead that it would turn off zone 2 after the unit >>> had been ON for 30 minutes.

    I reset the A.P.D. zone 2 setting to off. Ever since that experiment,
    whenever I cycle the power to the unit, it turns on with the A.P.D.
    setting for zone 2 at 30 minutes, causing it to turn off the sound in
    the kitchen after 30 minutes. Resetting the A.P.D. for zone 2 to off
    does not help. it is still 30 after the next power cycle.

    My suspicion is that the setting storage memory is failing. Some
    receivers, I have read, have had similar problems because of a failing
    supercap supplying power to a memory chip when power is disconnected.
    Has anyone had any experience with this problem that could assist me in
    finding a solution.

    I have not opened it up yet as this is my everyday sound system, and
    want to inform my self as well as I can whether I am heading the right
    direction, and how to locate the failing part if I am right.
    Can it remember settings for shorter time intervals of being off?

    RL

    I would check the service manual at the link below. There may be a capacitor used to retain the settings rather than a battery and this could be failing.

    Dan

    Link: https://elektrotanya.com/pioneer_sc-63_sc-61_sc-1227-k_sc-1222-k_rrv4324_av_receiver.pdf/download.html


    That will take some time to explore. Thanks.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)