Traynor YCS90 - User Manual

U.S.A.
Yorkville Sound Inc.
4625 Witmer Industrial Estate
Niagara Falls, New York
14305 USA
Voice: (716) 297-2920
Fax: (716) 297-3689
WORLD HEADQUARTERS
WEB ACCESS: http://www.yorkville.com
CANADA
Yorkville Sound
550 Granite Court
Pickering, Ontario
L1W-3Y8 CANADA
Voice: (905) 837-8481
Fax: (905) 837-8746
Quality and Innovation Since 1963
Printed in Canada
SERVICE MANUAL
TRAYNOR YCS90
MODEL TYPE: YS1067
Manual-Service-YCS90-00-1v1 • Jul 7/2008

Summary

Important Safety Instructions

General Operation Safety

Covers general instructions, reading the manual, packaging, and environmental precautions.

Electrical Safety Precautions

Details safety for power sources, hazards, and power cords, emphasizing shock prevention.

Service Requirements

Specifies that unit servicing must be performed by qualified service personnel only.

YCS Series Block Diagrams

System Block Diagram

Overview of signal flow including input, channels, and effects.

Tube Configurations

Diagrams showing tube types and layouts for YCS50H, YCS50, and YCS90 models.

Speaker Configurations

Details speaker impedance and type for YCS50 and YCS90 models.

YCS50;90 Preamp Schematic

Input and OD Stage Circuits

Detailed schematics for the preamp's input and overdrive stages.

Preamp Output Connections

Illustrates connection headers for output signals from the preamp section.

PCBM Manufacturing Notes

YCS90 Output Power Amplifier Schematic

YCS50;90 Power Supply Schematic

YCS90 Transformer and CE Wiring

YCS90 Transformer and N.A. Wiring

Traynor YCS90 Specifications

General

Power Output	90 Watts
Speaker Configuration	1x12"
Channels	2
Effects Loop	Yes
Reverb	Yes
EQ Controls	Bass, Mid, Treble
Type	Tube Guitar Amplifier