Fender G-DEC Junior Service Manual

Fender G-DEC Junior Service Manual

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®
G-DEC
Jr
(This is the model name for warranty claims)
p/n 2351000000 (120V)
SERVICE MANUAL
ATTENTION:
WARRANTY SERVICE PROCEDURES
®
Domestic (U.S. & Canada Only): The G-DEC
Jr Amplifier is not available for warranty
®
field service. Any Dealer/Service Center in possession of a G-DEC
Jr with a warrantable
defect should contact the Fender Customer Service Support Center toll free at (866) 345-
3642 or email
service@fender.com
to arrange for a replacement. This manual should
only be referred to for non-warranty repairs.
Non-Domestic: FMIC acknowledges that many of our International Distributors are able to
®
perform field or in-house warranty service on the G-DEC
Jr Amplifier.
Fender Musical Instruments Corporation, 8860 East Chaparral Road Suite 100 Scottsdale, AZ 85250
Issued: February, 2007

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Summary of Contents for Fender G-DEC Junior

  • Page 1 ® field service. Any Dealer/Service Center in possession of a G-DEC Jr with a warrantable defect should contact the Fender Customer Service Support Center toll free at (866) 345- 3642 or email service@fender.com to arrange for a replacement. This manual should only be referred to for non-warranty repairs.
  • Page 2: Important Notice

    Fender® Musical Instruments Corporation. It is Corporation. not to be sold or assigned to another party and is disclosed solely for use by Fender Authorized • Parts marked with two asterisks ( Service Centers for purposes of product service ) indicate the and maintenance.
  • Page 3 ® G-DEC (This is the model name for warranty claims) PARTS LIST CODES The description codes used in the itemized Parts Lists are defined below: CAPACITOR CODES HARDWARE CODES CAP AE Aluminum Electrolytic Black Oxide CAP CA Ceramic Axial Chrome Plated CAP CD Ceramic Disk Hex Washer Head...
  • Page 4: Specifications

    ® G-DEC (This is the model name for warranty claims) SPECIFICATIONS Model Name: G-DEC ® Release Number: PR 718 Part Numbers (120V, 60Hz) US: 2351000000 (120V, 60Hz) US DS: 2351000900 (240V, 50Hz) AUS DS: 2351030900 (230V, 50Hz) UK DS: 2351040900 (230V, 50Hz) EUR DS: 2351060900 (100V, 50/60Hz) JPN DS:...
  • Page 5: Service Notes

    ® G-DEC (This is the model name for warranty claims) SERVICE NOTES 1. CHASSIS REMOVAL is accomplished by first SELECT and LOOP SELECT encoders are dif- ferent than the five (5) knobs on removing the eight (8) screws from the cabinet potentiometers.
  • Page 6: Circuit Description

    U3 is a 15 Watt monolithic power amp device which Note: Troubleshooting the uDSP system to com- drives the 8 ohm speaker. Fender conventional cur- ponent level beyond verification of power rent feedback is applied to the power amplifier via...
  • Page 7: User Interface

    ® G-DEC (This is the model name for warranty claims) MIDI System The +5VDC supply powers multiplexer U6, Front Panel LED drivers Q5-Q7 and the D.C. reference voltage string R41-R43 for the high-low reference MIDI Input signals from the external MIDI INPUT level for front panel potentiometers.
  • Page 8: Parts List

    + * Access to this part or assembly is controlled. Please contact the FMIC Customer Service Department. ** Safety Requirement part. Replacement must match Safety Agency…–Value, if specified –Type, if specified –Approval Mark(s) if on part. shaded + ** Both a unique Fender® part and a Safety Requirement part as defined above.
  • Page 9: End Item Assembly

    + * Access to this part or assembly is controlled. Please contact the FMIC Customer Service Department. ** Safety Requirement part. Replacement must match Safety Agency…–Value, if specified –Type, if specified –Approval Mark(s) if on part. shaded + ** Both a unique Fender® part and a Safety Requirement part as defined above.
  • Page 10 ® G-DEC (This is the model name for warranty claims) Service Diagram List ® Service Diagram (Schematic) ....G-DEC Jr PCB...

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