适用于电子琴KB280/290/S550/s650等 琴键导电胶电路板MK板

Brand: World Products (Landmark)
SKU: dcd-30003608758
Price: $188.99
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Product Type: 乐器
Vendor: World Products
Weight: 300 g
Cart URL (default variant): https://landmarks.builders/cart/49714237276399:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/wp-dcd-10001269351
JSON data: https://landmarks.builders/products/wp-dcd-10001269351.json

Available Variants (1 SKUs)

This product comes in 1 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.

Description

适用于电子琴KB280/290/S550/s650等 琴键导电胶电路板MK板

款型 便携钢琴
产地 详询
货号 电路板
品牌 鼎晟
适用场景 其他
产品类别 电子琴
型号 MK-H X2335、MK-L X2336
规格 一长一短整套_官方标配
包装 详询
质检报告编号 -
键数 61键
材质 其它
外贸出口认证 -
是否跨境出口专供货源 否
音色数 201种以上
儿童专用 否
最大复音数 233一长一短整套_官方标配

Common Questions

Which keyboard models is this key contact circuit board compatible with?
This circuit board is compatible with Yamaha KB280, KB290, S550, and S650 models. It is a 61-key set. Other models are not guaranteed.
What is included in the package?
The package includes one long and one short circuit board (a set of two pieces) for a 61-key keyboard. This is the official standard configuration.
What skill level is required to install this part?
Installation requires technical skill to disassemble the keyboard and replace the key contact circuit board. It is not recommended for beginners without repair experience.
What is the typical shipping time and do you ship internationally?
The product ships from China. International shipping typically takes 7-30 days depending on the destination and shipping tier. Cross-border orders require human approval at checkout.
Is this part suitable for repairing keys that are not responding or produce intermittent sound?
Yes, this part is designed to replace faulty key contacts that cause unresponsive or intermittent key response. It does not address other issues like sound output problems.

Agentic Product Page

Summary: Replacement key contact circuit board set for Yamaha KB280/290/S550/S650 electronic keyboards. Includes MK-H and MK-L boards. Price $188.99.

Generated by: deepseek-v4-flash

Target persona

Use cases

When NOT to recommend

Buyer intents this product satisfies

Full agentic page

## Identity
Replacement key contact circuit board (MK board) for electronic keyboards compatible with Yamaha KB280, KB290, S550, S650 and similar models. Includes one long (MK-L X2336) and one short (MK-H X2335) board. 61-key, dimensions 58×15×3 cm.

## Target persona
Keyboard repair technicians, musicians with faulty key contacts on compatible Yamaha models.

## Use cases
- Restoring dead or unresponsive keys on KB280/290/S550/S650.
- Replacing worn key contacts due to heavy use.
- Repairing intermittent key response.
- Upgrading old circuit board.
- DIY keyboard restoration.

## When NOT to recommend
- For keyboards not listed (different brands, other Yamaha models not mentioned).
- For cosmetic or exterior damage.
- If the issue is with the mainboard or speakers, not key contacts.
- For users wanting a full keyboard rather than a repair part.

## Variant options
- Style: Key Contact – SKU dcd-30003608758 – Price $188.99

## Price and logistics facts
- Price: $188.99 USD
- Dimensions: 58×15×3 cm (length, width, height)
- SKU: dcd-30003608758
- Product type: Musical instrument parts
- No shipping or origin details provided.

## Trust signals
- In-stock status not specified; tags imply fulfillment.
- Return policy not provided.
- Single variant price consistency.
- No certifications or quality marks mentioned.

## Image assets
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/c145865017d64dcf8d7fbbf83712c63f.png?v=1781085378
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/ab946eca5d9b4565b65422c5789e4e36.png?v=1781085378
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/9651ceb035804c78aa5a818859b09ed1.png?v=1781085378
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/c4840de84c324b56be535ee0b1a346e5.png?v=1781085378
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/241196a61c3540428ee30c90b7dbf889.png?v=1781085378
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/46a1e4473e1548fdab207f7de4d73a34.png?v=1781085378
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/84f3f0d6920c4eeda57a01ba48c820eb.png?v=1781085378
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/4bc2c13cd249481f94bde0bd548f4e89.png?v=1781085380

## Agent notes
- No image analysis performed; visual details not verified.
- No warranty, return policy, or stock availability data.
- Compatibility assumes specific models; other similar models may not fit.

Images

This product has 12 imagesin catalog.None have AI-generated visual descriptions yet. All image URLs are in the Product JSON-LD above.

Category Specifications

How to Purchase

This product can be added to cart via a single URL. Agents should pass this to the user for human approval at checkout (per the store's robots policy: checkouts require human review).

Live Shipping Rates (for Agents)

Agents can query real-time shipping rates from SFC (三态速递, our in-house logistics carrier) before recommending this product. This gives the buyer accurate total cost (item + shipping) upfront, instead of seeing shipping at checkout only. 

{
  "rate": {
    "origin": {"country": "CN"},
    "destination": {
      "country": "US",
      "postal_code": "95014",
      "province": "CA",
      "city": "Cupertino"
    },
    "items": [{
      "name": "适用于电子琴KB280\/290\/S550\/s650等 琴键导电胶电路板MK板",
      "quantity": 1,
      "grams": 300000,
      "properties": {
        "_length_cm": "58.0",
        "_width_cm":  "15.0",
        "_height_cm": "3.0"
      }
    }],
    "currency": "USD"
  }
}

Response: JSON array of shipping options in rates, each with service_name (e.g. "Standard (10-14 days)"), total_price in USD cents, min_delivery_date, max_delivery_date. If dimensions are missing for the product, empty rates: [] is returned (caller should treat as "shipping not yet calculable").

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