# \#yamaha

**URL:** https://forums.syntaur.com/tag/yamaha/100.md

[Latest](https://forums.syntaur.com/latest.md) · [Categories](https://forums.syntaur.com/categories.md) · [Tags](https://forums.syntaur.com/tags.md)

---

## [Looking for replacement pedal unit cable. Yamaha P525 piano, YMH-PEDAL-125 pedal unit](https://forums.syntaur.com/t/looking-for-replacement-pedal-unit-cable-yamaha-p525-piano-ymh-pedal-125-pedal-unit/9580)

<div class="topic-metadata">

**Author:** [@PashkaTLT](https://forums.syntaur.com/u/PashkaTLT)\
**Replies:** 8\
**Last updated:** [October 24, 2026, 2:36am UTC](https://forums.syntaur.com/t/looking-for-replacement-pedal-unit-cable-yamaha-p525-piano-ymh-pedal-125-pedal-unit/9580 "2026-10-24T02:36:39Z")

</div>

I damaged the pedal unit cable that came with the Zreephy KWS-Y3-P stand for my Yamaha P525 digital piano. I’m looking for a replacement cable or for a scheme to understand wiring between mini DIN 6-pin connector and a …

---

## [Rs 7000 not working scrambled screen powers on green screen](https://forums.syntaur.com/t/rs-7000-not-working-scrambled-screen-powers-on-green-screen/9579)

<div class="topic-metadata">

**Author:** [@Chinky](https://forums.syntaur.com/u/Chinky)\
**Replies:** 0\
**Last updated:** [October 17, 2026, 10:32pm UTC](https://forums.syntaur.com/t/rs-7000-not-working-scrambled-screen-powers-on-green-screen/9579 "2026-10-17T22:32:56Z")

</div>

\[yamaha \] rs 7000\] – \[no words green screen bpm not lit up\] Add tags before posting: brand + model + (optional) fault e.g., korg, models-korg-m1, no-power If your model isn’t listed: use models–tbd (e.g., models-korg…

---

## [FFC ribbon will not seat fully in non-latching connector](https://forums.syntaur.com/t/ffc-ribbon-will-not-seat-fully-in-non-latching-connector/9273)

<div class="topic-metadata">

**Author:** [@pianohero](https://forums.syntaur.com/u/pianohero)\
**Replies:** 2\
**Last updated:** [October 14, 2026, 2:05am UTC](https://forums.syntaur.com/t/ffc-ribbon-will-not-seat-fully-in-non-latching-connector/9273 "2026-10-14T02:05:17Z")

</div>

\[Yamaha\] \[MOXF8\] – \[FFC ribbon will not seat fully in non-latching connector\] Summary (Main Issue) I am attempting to install a replacement FFC ribbon cable for a Yamaha MOXF8 keybed (Yamaha part MFA27201, Syntar part…

---

## [Simple Yamaha Reface CP Repair Question](https://forums.syntaur.com/t/simple-yamaha-reface-cp-repair-question/9188)

<div class="topic-metadata">

**Author:** [@KanawhaCountyWX](https://forums.syntaur.com/u/KanawhaCountyWX)\
**Replies:** 1\
**Last updated:** [October 14, 2026, 1:41am UTC](https://forums.syntaur.com/t/simple-yamaha-reface-cp-repair-question/9188 "2026-10-14T01:41:48Z")

</div>

Hello, I have owned a Yamaha Reface CP for some time now and I love this little keyboard, but I had a failure. I’m getting no audio output from the keyboard, I believe the volume slider is damaged and there’s no way to …

---

## [Yamaha power ac in outlet broke](https://forums.syntaur.com/t/yamaha-power-ac-in-outlet-broke/9211)

<div class="topic-metadata">

**Author:** [@larrygordon](https://forums.syntaur.com/u/larrygordon)\
**Replies:** 2\
**Last updated:** [September 30, 2026, 4:50pm UTC](https://forums.syntaur.com/t/yamaha-power-ac-in-outlet-broke/9211 "2026-09-30T16:50:31Z")

</div>

The AC power socket broke. Couldnt find an exact replacement part name for that though… would appreciate an identifier link or parts name for this. Synth is YC73

---

## [Yamaha dx7 power socket mod and battery holder mod](https://forums.syntaur.com/t/yamaha-dx7-power-socket-mod-and-battery-holder-mod/9569)

<div class="topic-metadata">

**Author:** [@kcasey1220](https://forums.syntaur.com/u/kcasey1220)\
**Replies:** 0\
**Last updated:** [September 30, 2026, 3:18am UTC](https://forums.syntaur.com/t/yamaha-dx7-power-socket-mod-and-battery-holder-mod/9569 "2026-09-30T03:18:01Z")

</div>

hi I was wondering if anyone had any info on if it was possible to install a socket on the dx7 for a disconnect able power cord and also does anyone sell a battery holder so that you don’t have to soder in a new one when…

---

## [MODX8+ Center Panel Circuit Board](https://forums.syntaur.com/t/modx8-center-panel-circuit-board/9559)

<div class="topic-metadata">

**Author:** [@alecfoxbros](https://forums.syntaur.com/u/alecfoxbros)\
**Replies:** 1\
**Last updated:** [September 17, 2026, 5:05pm UTC](https://forums.syntaur.com/t/modx8-center-panel-circuit-board/9559 "2026-09-17T17:05:56Z")

</div>

Does anyone know if the MODX Center Panel circuit board is cross compatible with the MODX+? Syntaurs compaitibility tool says it doesn’t, but they don’t list a replacement panel for the MODX+. Hoping to make sure this pa…

---

## [Repair Yamaha dx7s](https://forums.syntaur.com/t/repair-yamaha-dx7s/9554)

<div class="topic-metadata">

**Author:** [@Nikesam62](https://forums.syntaur.com/u/Nikesam62)\
**Replies:** 0\
**Last updated:** [September 14, 2026, 7:40pm UTC](https://forums.syntaur.com/t/repair-yamaha-dx7s/9554 "2026-09-14T19:40:37Z")

</div>

Looking for HD6805S1A33P firmware. Please share the ROM dump if anyone has it.Has anyone encountered the failure of this chip? What are the options for solving this problem? It is not possible to purchase the original ch…

---

## [Yamaha PSS 480 no sound](https://forums.syntaur.com/t/yamaha-pss-480-no-sound/9537)

<div class="topic-metadata">

**Author:** [@Uptightcultist](https://forums.syntaur.com/u/Uptightcultist)\
**Replies:** 0\
**Last updated:** [August 18, 2026, 3:17am UTC](https://forums.syntaur.com/t/yamaha-pss-480-no-sound/9537 "2026-08-18T03:17:30Z")

</div>

Yamaha PSS-480 turns on but no sound. I bought a cheap Yamaha PSS 480 on shopgoodwill and it didn’t come with a power supply. I grabbed one I had laying around and that’s when I found out about different polarity power …

---

## [Yamaha CS50 no sound generated. Some floor noise at full volume](https://forums.syntaur.com/t/yamaha-cs50-no-sound-generated-some-floor-noise-at-full-volume/9517)

<div class="topic-metadata">

**Author:** [@TTMiller](https://forums.syntaur.com/u/TTMiller)\
**Replies:** 5\
**Last updated:** [August 17, 2026, 11:35pm UTC](https://forums.syntaur.com/t/yamaha-cs50-no-sound-generated-some-floor-noise-at-full-volume/9517 "2026-08-17T23:35:38Z")

</div>

Yamaha CS50 No sound generated When I received it the voltages were bad or missing. I rebuilt the power supply. All voltages good at the load end. With the volume all the way up, I get noise. I can hear a faint genera…

---

## [Yamaha W7 boot looping](https://forums.syntaur.com/t/yamaha-w7-boot-looping/9509)

<div class="topic-metadata">

**Author:** [@Redbaron1007](https://forums.syntaur.com/u/Redbaron1007)\
**Replies:** 0\
**Last updated:** [July 17, 2026, 9:44pm UTC](https://forums.syntaur.com/t/yamaha-w7-boot-looping/9509 "2026-07-17T21:44:53Z")

</div>

\[Yamaha\] \[W7\] – \[Boot looping\] Add tags before posting: brand + model + (optional) fault e.g., korg, models-korg-m1, no-power If your model isn’t listed: use models–tbd (e.g., models-korg-tbd) and post the exact mode…

---

## [Yamaha An1x LCD replacement... Any options?](https://forums.syntaur.com/t/yamaha-an1x-lcd-replacement-any-options/795)

<div class="topic-metadata">

**Author:** [@Daz](https://forums.syntaur.com/u/Daz)\
**Replies:** 11\
**Last updated:** [July 16, 2026, 9:19pm UTC](https://forums.syntaur.com/t/yamaha-an1x-lcd-replacement-any-options/795 "2026-07-16T21:19:00Z")

</div>

Hi all … first post (be kind!!) :wink: I’ve searched the web regarding finding a replacement LCD for a Yamaha An1x… over time the screen becomes dim and hard to read. I’ve read mostly very old posts and apparently the …

---

## [Yamaha CP4 E5 key full volume?](https://forums.syntaur.com/t/yamaha-cp4-e5-key-full-volume/9491)

<div class="topic-metadata">

**Author:** [@Tycer](https://forums.syntaur.com/u/Tycer)\
**Replies:** 1\
**Last updated:** [June 30, 2026, 7:00am UTC](https://forums.syntaur.com/t/yamaha-cp4-e5-key-full-volume/9491 "2026-06-30T07:00:22Z")

</div>

Hi, I am looking to purchase a CP4 from a local church. The E5 key intermittently plays full volume. I would like to know if this is reparable. I would also like to know what maintenance I should perform. Thanks, Ty…

---

## [KORG Poly 800 mkII capacitor list and location](https://forums.syntaur.com/t/korg-poly-800-mkii-capacitor-list-and-location/9476)

<div class="topic-metadata">

**Author:** [@Jojo](https://forums.syntaur.com/u/Jojo)\
**Replies:** 2\
**Last updated:** [June 5, 2026, 3:53am UTC](https://forums.syntaur.com/t/korg-poly-800-mkii-capacitor-list-and-location/9476 "2026-06-05T03:53:55Z")

</div>

Hi there, does anyone have a list of where and what capacitors go onto the Korg py800mkII effect board. I have the schematics and it shows you where the capacitors are located that they don’t tell you which one goes whe…

---

## [Yamaha Tyros 5 right channel fail](https://forums.syntaur.com/t/yamaha-tyros-5-right-channel-fail/9473)

<div class="topic-metadata">

**Author:** [@SilverfoxUK](https://forums.syntaur.com/u/SilverfoxUK)\
**Replies:** 1\
**Last updated:** [June 4, 2026, 7:11am UTC](https://forums.syntaur.com/t/yamaha-tyros-5-right-channel-fail/9473 "2026-06-04T07:11:39Z")

</div>

Hi My Tyros 5 plays nicely through both channels for a short time. After maybe 10 mins the right channel cuts out. Fault common to jacks on the back and headphone socket. The right channel can be heard hissing slight…

---

## [Replacing a Broken S90XS Inlet Assembly](https://forums.syntaur.com/t/replacing-a-broken-s90xs-inlet-assembly/9472)

<div class="topic-metadata">

**Author:** [@RickMN](https://forums.syntaur.com/u/RickMN)\
**Replies:** 2\
**Last updated:** [June 4, 2026, 6:56am UTC](https://forums.syntaur.com/t/replacing-a-broken-s90xs-inlet-assembly/9472 "2026-06-04T06:56:12Z")

</div>

Yamaha S90XS - Broken Inlet Assembly I successfully removed the part and found a replacement for sale here, but I can’t get the three spade connectors to come loose from the part. Is there a trick to it, or are the sold…

---

## [YAMAHA ARIUS digital piano pedal](https://forums.syntaur.com/t/yamaha-arius-digital-piano-pedal/9459)

<div class="topic-metadata">

**Author:** [@yipwaiming](https://forums.syntaur.com/u/yipwaiming)\
**Replies:** 8\
**Last updated:** [May 30, 2026, 6:02am UTC](https://forums.syntaur.com/t/yamaha-arius-digital-piano-pedal/9459 "2026-05-30T06:02:19Z")

</div>

the pedal of YAMAHA YDP S31 digital piano is broken, but I cannot find anywhere that sells a new pedal. For practical use, I need only the damper pedal (only the right pedal, not all three). Is there any way to fix it …

---

## [How to remove keys Montage M8x](https://forums.syntaur.com/t/how-to-remove-keys-montage-m8x/9440)

<div class="topic-metadata">

**Author:** [@synth](https://forums.syntaur.com/u/synth)\
**Replies:** 3\
**Last updated:** [May 22, 2026, 10:27pm UTC](https://forums.syntaur.com/t/how-to-remove-keys-montage-m8x/9440 "2026-05-22T22:27:18Z")

</div>

Yamaha Montage M8x – How to remove keys Does anyone know the correct procedure to remove a key on the Montage M8x (given it’s a new keybed type GEX)? The retainer above the key will need to come off. what are the corre…

---

## [Yamaha Modx7+ Not Powering On](https://forums.syntaur.com/t/yamaha-modx7-not-powering-on/9429)

<div class="topic-metadata">

**Author:** [@Lufade](https://forums.syntaur.com/u/Lufade)\
**Replies:** 2\
**Last updated:** [May 11, 2026, 10:31pm UTC](https://forums.syntaur.com/t/yamaha-modx7-not-powering-on/9429 "2026-05-11T22:31:26Z")

</div>

I bought a Yamaha Modx7+ that was admittedly non-functioning when purchasing. The seller had spoken to a local repair guy that was sure it was the jack board (Part #10056). I bought it, opened it up and tested it. Power…

---

## [Yamaha cs-60 Potentiometer / Fader replacement](https://forums.syntaur.com/t/yamaha-cs-60-potentiometer-fader-replacement/9441)

<div class="topic-metadata">

**Author:** [@Innaspace](https://forums.syntaur.com/u/Innaspace)\
**Replies:** 0\
**Last updated:** [May 9, 2026, 3:27pm UTC](https://forums.syntaur.com/t/yamaha-cs-60-potentiometer-fader-replacement/9441 "2026-05-09T15:27:35Z")

</div>

Yamaha cs 60 replacement parts Hi - we have recently acquired a cs 60 that is in need of replacement pots. The previous owner had stored the synth vertically, causing the power unit to become un lodged and knocking aro…

---

## [Yamaha SK10 schematic](https://forums.syntaur.com/t/yamaha-sk10-schematic/9122)

<div class="topic-metadata">

**Author:** [@ND1](https://forums.syntaur.com/u/ND1)\
**Replies:** 1\
**Last updated:** [May 1, 2026, 4:01pm UTC](https://forums.syntaur.com/t/yamaha-sk10-schematic/9122 "2026-05-01T16:01:04Z")

</div>

Looking for an SK10 schematic or service manual - usual search only starts at SK15 which seems to be a very different keyboard - thanks in advance

---

## [Yamaha P-150 with random audio issue](https://forums.syntaur.com/t/yamaha-p-150-with-random-audio-issue/9395)

<div class="topic-metadata">

**Author:** [@km85264](https://forums.syntaur.com/u/km85264)\
**Replies:** 6\
**Last updated:** [April 30, 2026, 9:14pm UTC](https://forums.syntaur.com/t/yamaha-p-150-with-random-audio-issue/9395 "2026-04-30T21:14:58Z")

</div>

\[Yamaha\] \[P150\] – \[random audio\] New member, apologies if I’m breaking any house rules. I acquired a P-150 on a neighbourhood reuse site, previous owners claimed it “worked fine till last week”. When I got it home it w…

---

## [Moog messenger ‘0’ tune](https://forums.syntaur.com/t/moog-messenger-0-tune/9410)

<div class="topic-metadata">

**Author:** [@eenfield](https://forums.syntaur.com/u/eenfield)\
**Replies:** 0\
**Last updated:** [April 18, 2026, 3:37am UTC](https://forums.syntaur.com/t/moog-messenger-0-tune/9410 "2026-04-18T03:37:19Z")

</div>

MOOG MESSENGER ‘0’ TUNE Does anyone have service info for adjusting pitch to match ‘0’ on the OSC 1 & 2 Tune Knobs. I have returned 3 new Messengers, and the latest replacement is mis-calibrated also! The NuMusic Forum …

---

## [Yamaha P71 power but no sound](https://forums.syntaur.com/t/yamaha-p71-power-but-no-sound/9356)

<div class="topic-metadata">

**Author:** [@JRTuning](https://forums.syntaur.com/u/JRTuning)\
**Replies:** 10\
**Last updated:** [April 10, 2026, 7:14am UTC](https://forums.syntaur.com/t/yamaha-p71-power-but-no-sound/9356 "2026-04-10T07:14:45Z")

</div>

Yamaha P71B – Powering on, but no sound from speakers or headphones. I’ve got a Yamaha P71 that powers on but produces no sound through the speakers or the headphone jack. I’ve tested the power supply with a multimeter…

---

## [Clavinova CVP-405 Backlight replacement](https://forums.syntaur.com/t/clavinova-cvp-405-backlight-replacement/435)

<div class="topic-metadata">

**Author:** [@rjk](https://forums.syntaur.com/u/rjk)\
**Replies:** 12\
**Last updated:** [March 23, 2026, 7:00pm UTC](https://forums.syntaur.com/t/clavinova-cvp-405-backlight-replacement/435 "2026-03-23T19:00:37Z")

</div>

Hello, I have a CVP-405PE with a dead backlight, but the LCD is still working with a flashlight. I have a few questions about parts for this: Can I replace the backlight without replacing the entire LCD assembly? The L…

---

## [Yamaha CVP401 Loud Static Sound](https://forums.syntaur.com/t/yamaha-cvp401-loud-static-sound/9379)

<div class="topic-metadata">

**Author:** [@dallenlee](https://forums.syntaur.com/u/dallenlee)\
**Replies:** 1\
**Last updated:** [March 20, 2026, 8:42am UTC](https://forums.syntaur.com/t/yamaha-cvp401-loud-static-sound/9379 "2026-03-20T08:42:41Z")

</div>

My Yamaha Clavinova CVP401 have loud static sound, external headphones / speaker all have this static sound, keyboard sound not coming out. Not sure how to repair.

---

## [KX88 digital dsplay flashing chaotically](https://forums.syntaur.com/t/kx88-digital-dsplay-flashing-chaotically/9309)

<div class="topic-metadata">

**Author:** [@Richie](https://forums.syntaur.com/u/Richie)\
**Replies:** 3\
**Last updated:** [March 18, 2026, 10:37pm UTC](https://forums.syntaur.com/t/kx88-digital-dsplay-flashing-chaotically/9309 "2026-03-18T22:37:30Z")

</div>

Yamaha KX88 Owned for 25 years and has worked flawlessly. Plugged in today and digital numeric display flashing random numbers and letters, and switch lights included in the pyrotechnic display of lights and of course …

---

## [Yamaha Clavinova CLP-635 phones right side fading out getting deaf](https://forums.syntaur.com/t/yamaha-clavinova-clp-635-phones-right-side-fading-out-getting-deaf/9350)

<div class="topic-metadata">

**Author:** [@h07d0q](https://forums.syntaur.com/u/h07d0q)\
**Replies:** 2\
**Last updated:** [February 25, 2026, 9:11pm UTC](https://forums.syntaur.com/t/yamaha-clavinova-clp-635-phones-right-side-fading-out-getting-deaf/9350 "2026-02-25T21:11:37Z")

</div>

My used YAMAHA CLP-635 works fine, but my wife is getting annoyed when she plays with the headphones on. The problem occurs only with headphones on and is independent of the headphones and which port is used. The probl…

---

## [DX7 battery replacement problem](https://forums.syntaur.com/t/dx7-battery-replacement-problem/9346)

<div class="topic-metadata">

**Author:** [@Chucky](https://forums.syntaur.com/u/Chucky)\
**Replies:** 2\
**Last updated:** [February 21, 2026, 9:04pm UTC](https://forums.syntaur.com/t/dx7-battery-replacement-problem/9346 "2026-02-21T21:04:07Z")

</div>

\[Brand\] \[Model\] – \[Main symptom\] Add tags before posting: brand + model + (optional) fault e.g., korg, models-korg-m1, no-power If your model isn’t listed: use models–tbd (e.g., models-korg-tbd) and post the exact mo…

---

## [Yamaha P-125 Crazy key behaviour](https://forums.syntaur.com/t/yamaha-p-125-crazy-key-behaviour/9339)

<div class="topic-metadata">

**Author:** [@synzoneau](https://forums.syntaur.com/u/synzoneau)\
**Replies:** 5\
**Last updated:** [February 20, 2026, 3:41am UTC](https://forums.syntaur.com/t/yamaha-p-125-crazy-key-behaviour/9339 "2026-02-20T03:41:58Z")

</div>

\[Yamaha\] \[P-125\] – \[Crazy key behaviour\] Yamaha, P125, key issue Add tags before posting: brand + model + (optional) fault e.g., korg, models-korg-m1, no-power If your model isn’t listed: use models–tbd (e.g., model…

[Next page](https://forums.syntaur.com/tag/yamaha/100.md?match_all_tags=true&page=1&tags%5B%5D=yamaha)
