Related Manuals for Generalmusic SK880
Summarization of Contents
Important Safety and Handling Precautions
General Servicing Caution
Instructions for qualified personnel only to avoid electric shock and malfunction.
Electrostatic Sensitive Devices Warning
Observe precautions when handling electrostatic sensitive devices.
Service Center Information
Part to be filled in by the service center for device details.
Opening WK4, WK6, WK8 Models
Disconnecting Power and Unscrewing
Disconnect the instrument from mains and unscrew marked screws to begin opening.
Lid Removal Procedure
Procedure to lift and remove the lid by grasping its ends following illustrations A, B, C.
Opening SK76/SK760 Series Models
Power Disconnection and Screw Removal
Disconnect from mains and unscrew rear screws before opening.
Top Chassis Removal
Lift off the top chassis carefully, avoiding cable disconnection.
PS2500 Opening - Part 1
Initial Disconnection and Rear Panel Removal
Disconnect from mains and unscrew four rear screws to remove the top panel.
Top Panel Removal Direction
Remove the top panel by following the indicated direction.
PS2500 Opening - Part 2
Removing Side Locking Plates
Remove the two locking plates (A) situated on the sides.
Keyboard Cover Removal
Slide the keyboard cover through the lateral guides to remove it.
GPS2500 Opening - Part 1
Initial Steps: Power, Cover, and Screws
Disconnect mains, lift cover, unscrew three screws (A).
Protection Panel and Lateral Screws
Remove protection panel (B) and unscrew two lateral screws (C).
Front Panel Lifting and Assistance Note
Lift front panel with keyboard cover raised; two people recommended.
GPS2500 Opening - Part 2
Removing the Controls Panel
Remove controls panel by unscrewing screws (A) and disconnecting jumpers (B).
Optional Accessory Installation Note
Optional accessories don't require disconnecting other jumpers; rest panel on keyboard.
Reassembly Instructions
Follow the installation steps in reverse order for re-assembly.
A/V Kit Installation for WK4, WK6 Models
Component Identification and Placement
Locate CPU Board, insert buffer modules, and connect cable [3].
Board Mounting and Cable Connections
Fix AUDIO/VIDEO Board [1] and connect all cables [3-7].
Jumper Settings for Buffer Modules
Set jumpers J5, J8 [E] to 'A' and J1 [F] to 'A' for buffer module installation.
Part List and Jumper Notes
List of components and notes on jumper settings for buffer/DRAM modules.
A/V Kit Installation for GPS2500, PS2500
Component Identification and Connections
Locate CPU Board, insert buffer modules [2], connect cable [3].
Board Mounting and Wiring
Fix AUDIO/VIDEO Board [1] and connect all cables [3-7].
Jumper Settings for Buffer Installation
Set jumpers JP1, JP2 [E] to 'A' and J1 [F] to 'A' for buffer modules.
Part List and Jumper Configurations
List of parts and notes on jumper settings for buffer/DRAM modules.
A/V Kit Installation for SK76-SK88
Component Identification and Connections
Locate CPU Board, insert buffer modules [2], connect cable [3].
Board Mounting and Cabling
Fix AUDIO/VIDEO Board [1] and connect all cables [3-7].
Jumper Settings for Buffer Modules
Set jumpers JP1, JP2 [E] to 'A' and J1 [F] to 'A' for buffer module installation.
Part List and Jumper Notes
List of components and notes on jumper settings for buffer/DRAM modules.
A/V Kit Installation for SK760-SK880
Component Identification and Connections
Locate CPU Board, insert buffer modules [2], connect cable [3].
Board Mounting and Cabling
Fix AUDIO/VIDEO Board [1] and connect all cables [3-7].
Jumper Settings for Buffer Modules
Set jumpers JP1, JP2 [E] to 'A' and J1 [F] to 'A' for buffer module installation.
Part List and Jumper Notes
List of components and notes on jumper settings for buffer/DRAM modules.
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