General Music Pianovelle PS2500 User Manual

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CODE:270189
Index&Warnings
Soldering point.
Male connector.
Female connector.
M/F faston connector.
Test point.
Supply voltage.
Logic supply ground.
Analog supply ground.
Signal ground.
Chassis ground.
Flag joined with one or more flags with the same signal name inscribed.
GENERALMUSIC S.p.A. Sales Division: 47048 S.Giovanni in Marignano (RN) ITALY - Via delle Rose, 12 -
tel. 0541/959511 - tlx 550555 GMUSIC I - fax 0541/957404
PS 2500 Opening Instructions - KeyboardDisassembling
GPS 2500 Opening Instructions - Keyboard Disassembling
PS 2500 Cabinet Assembly 1
PS 2500 Stand & Controls Assembly 2
GPS 2500 Cabinet Assembly
Block Diagram
Power Amplifier & Supply, Phones, Cross Over and Control & Midi I/O Schematic Diagrams
Power Aamplifier. & Supply, Control Midi I/O, Keyboard Interface and Cross Over PCB Layouts
Slider, L & R Controls Panel and Controls Panel Interface Schematic Diagrams
Right & Left Control Board - Control Panel Interface PCB Layout
CPU & Sound Generator Board (Part 1/2)
CPU & Sound Generator Board (Parts 2/2)
Optional Kits Mounting Instructions
Spare Part List
L & R Contacts and Keyboard Interface Schematic Diagrams
Timing Diagram & Adjustment Table
Audio/Video Interface Schematic Diagram
CPU & Sound Generator and Audio/Video Interface PCB Layouts
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Notice
Service must be carried out by qualified personnel only. Any tampering carried out by unqualified personnel during the guarantee
period will forfeit the right to guarantee.
For a correct operation of the instrument, after having switched off, be careful to wait at least 3 seconds before switching on again.
To improve the device's specifications, the schematic diagrams may be subject to change without prior notice.
SchematicNotes
All components marked by this symbol have special safety characteristics, when replacing any of these components use only
manufacturer's specified parts.
The ( ) micro symbol of capacitance value is substituted by U. The (µΩ) omega symbol of resistance value is substituted by E.
The electrolytic capacitors are 25Vdc rated voltage unless otherwise specified. All resistors are 1/8W unless otherwise specified.
All switches shown in the "OFF" position. All DC voltages measured to ground with a voltmeter 20KOhm/V.
ATTENTION
Observe precautions when handling
electrostatic sensitive devices
SERVICE MANUAL
Schematic Diagrams

General Music Pianovelle PS2500 Specifications

General

Brand	General Music
Model	Pianovelle PS2500
Category	Musical Instrument
Language	English

Summary

Index & Warnings

Service Notice and Safety Precautions

Important safety warnings and qualifications for service personnel.

Schematic Diagram Notes and Symbols

Explanation of symbols, conventions, and component specifications used in schematics.

PS2500 Opening Instructions & Keyboard Disassembly

Step-by-step guide for opening the PS2500 and removing its keyboard.

GPS2500 Opening Instructions & Keyboard Disassembly

Step-by-step guide for opening the GPS2500 and removing its keyboard.

PS2500 Cabinet Assembly

Diagram detailing the assembly of the PS2500 unit's external cabinet.

PS2500 Stand & Controls Assembly

Illustrates the assembly of the PS2500 stand and control panel components.

GPS2500 Cabinet Assembly

Diagram detailing the assembly of the GPS2500 unit's external cabinet.

System Block Diagram

High-level overview of the PS2500/GPS2500 internal architecture.

Power Amplifier, Supply, Phones & Crossover Schematics

Detailed schematic diagrams for power, audio, and crossover sections.

Power Amp, Supply, MIDI, Keyboard PCB Layouts

Physical layout diagrams for power, MIDI, and keyboard interface boards.

Controls Panel Interface Schematic Diagrams

Schematics for slider, L&R controls, and panel interface boards.

Control Panel Interface PCB Layouts

Physical layout diagrams for control panel interface boards.

L&R Contacts & Keyboard Interface Schematic Diagrams

Schematics for keyboard contact and interface connections.

Timing Diagram & Adjustment Table

Timing charts and procedures for component adjustments.

CPU & Sound Generator Board Schematic (Part 1/2)

Detailed schematics for the main processing and sound generation boards.

CPU & Sound Generator Board Schematic (Part 2/2)

Detailed schematics for the main processing and sound generation boards.

Audio/Video Interface Schematic Diagram

Schematic for the audio and video output interface.

CPU, Sound Gen. & Audio/Video Interface PCB Layouts

Physical layout diagrams for processing and interface boards.

Optional Kits Mounting Instructions

Guides for installing optional hardware kits (Audio/Video, Hard Disk, SIMM).

Spare Part List

Comprehensive list of available spare parts with their respective codes.