FUJI H04S XK04860 H04SF Working Head Motherboard SMT Spare Parts

FUJIH04S XK04860 H04SF working head motherboard
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Product Introduction – FUJIH04S XK04860 H04SF Working Head Motherboard

Part Number: XK04860
Model: H04SF Working Head
Component Name: Working Head Motherboard
Category: Electronics / Control Board
Applicable Equipment: Fuji NXT / NXT II Machines with H04SF Heads

Description:

The XK04860 motherboard is the main control board used in the Fuji H04SF working head, a high-precision, compact head model designed for mounting small electronic components at high speed.

This motherboard serves as the central processing and signal routing hub for the working head, managing all essential operations such as nozzle movement, vision system communication, vacuum sensing, and motor control. It ensures accurate coordination between mechanical and electronic subsystems within the head.

Key Features:

Designed for use in the H04SF working head
Controls head functions: nozzle actuation, vacuum detection, Z/R axis control
Interfaces with machine control system and vision processing unit
Compact and optimized layout for high-speed signal processing
Built-in connectors for sensors, solenoids, and encoders

Typical Applications:

SMT pick-and-place operations in high-speed production lines
Component placement using H04SF heads on NXT and NXT II platforms
Real-time coordination of mechanical and vision-based tasks

Technical Highlights:

High-speed PCB with multi-layer design
ESD-protected interfaces for sensor inputs
Surface-mount and through-hole mixed component layout
Integrated thermal protection and signal conditioning circuits

Compatibility:

Fully compatible with Fuji NXT / NXT II machines using the H04SF working head
Works with associated components like the camera unit, solenoid valve, and vacuum sensor

Related Components – XK04860 H04SF Working Head Motherboard

These components collectively support the electromechanical and optical functions of the H04SF working head and ensure precise component handling in Fuji NXT/NXT II machines.

Related Part Numbers – XK04860 H04SF Working Head Motherboard

FAQ Guide – FUJIH04S XK04860 H04SF Working Head Motherboard

Part Number: XK04860
Component Name: H04SF Working Head Motherboard
Applicable Model: Fuji NXT / NXT II Machines (with H04SF Head)
Category: Control PCB / Electronics

1. What is the function of the XK04860 motherboard?

The XK04860 is the main control board inside the H04SF working head. It manages all internal head functions, including:

Nozzle actuation
Z-axis and R-axis motor control
Vacuum sensing
Communication with the machine’s main controller and vision system

2. Which head is this part compatible with?

Specifically designed for the H04SF working head
Compatible with Fuji NXT and NXT II platforms using H04SF heads

3. What are the signs of motherboard failure?

Nozzle movement failure
Loss of vacuum detection
Camera or sensor communication errors
Head not recognized by the machine
Head alarm codes or head initialization failure

4. How is the motherboard diagnosed?

Use Fuji machine diagnostics to check head communication
Inspect for visible damage (burn marks, broken connectors)
Test voltages and signals with a multimeter or oscilloscope (by qualified technician)
Swap with a known-good board (if available) for verification

5. Can the motherboard be replaced individually?

Yes. It can be replaced separately from the full head assembly, but:

Static protection (ESD) is essential
Firmware/config may require matching or updating
Realignment or recalibration may be needed post-installation

6. What tools and precautions are required?

ESD-safe tools and grounding strap
Torque driver or screwdriver for internal screws
Clean, static-free workspace
Careful cable reconnection using original harnesses

7. Related components to check or replace with the motherboard

8. Storage & Handling Instructions

Store in anti-static packaging
Avoid bending or mechanical shock
Do not touch components or connector pins with bare hands

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