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FRONTMAN 15B

p/n 022-1503-000 (120 V)

SERVICE MANUAL

CONTENTS:

Notices
Specifications
Parts lists:

Theory of Operation
PCB assembly

     Chassis Assembly
     Cabinet assembly

Miscellaneous

Schematics
Service diagram

Fender Musical Instruments Corp.,7975 North Hayden Road Scottsdale, AZ 85258

FRONTMAN 15B

(This is the model name for warranty claims)

SERVICE MANUAL

FEBRUARY 1997

IMPORTANT NOTICE:

The information contained herein is CONFIDENTIAL and PROPRIETARY to Fender Musical Instruments Corp. It is
disclosed solely for use by qualified technicians for purposes of equipment maintenance and service. It is not to be
disclosed to others without the expressed permission of Fender Musical Instruments Co. All specifications subject to
change without notice.

For warranty repair service, only Fender specified part numbers are to be used. It is recommended they also be used
for post-warranty maintenance and repair.

Parts marked with an asterisk (

*

) indicate the required use of that specific part. This is necessary for RELIABILITY and

SAFETY requirements. 

DO NOT USE A SUBSTITUTE!

A coded naming convention is used in the description of certain parts. The codes and what they mean are as follows:

CAPACITOR  CODES                                                        HARDWARE  CODES                                                   

CAP AE

=

Aluminum Electrolytic

BLX

=

Black Oxide

CAP CA

=

Ceramic Axial

CR

=

Chrome Plated

CAP CD

=

Ceramic Disk

HWH

=

Hex Washer Head

CAP MPF =

Metalized Polyester Film

M

=

Machine Screw

CAP MY

=

Mylar

NI

=

Nickel Plated

CAP PFF

=

Polyester Film/Foil

OHP

=

Oval Head Phillips

PB

=

Particle Board

RESISTOR  CODES

PHP

=

Pan Head Phillips

PHPS

=

Pan Head Phillips Sems

RES CC

=

Carbon Comp

SMA

=

Sheet Metal "A" Point

RES CF

=

Carbon Film

SMB

=

Sheet Metal "B" Point

RES FP

=

Flame Proof

SS

=

Stainless Steel

RES MF

=

Metal Film

TF

=

Thread Forming

RES WW

=

Wire Wound

ZI

=

Zinc Plated

1

Summary of Contents for Frontman 15B

Page 1: ...ice only Fender specified part numbers are to be used It is recommended they also be used for post warranty maintenance and repair Parts marked with an asterisk indicate the required use of that specific part This is necessary for RELIABILITY and SAFETY requirements DO NOT USE A SUBSTITUTE A coded naming convention is used in the description of certain parts The codes and what they mean are as fol...

Page 2: ...al tone shaping circuit used for sonic enhancement U2A is a unity gain amplifier which drives the power amp stage In conjunction with U4 it acts as the gain reduction circuit for the Deltacomp The output of the power amplifier is sensed through R23 by the Comparator U5A As the amplifier output approaches clipping the output of U5A goes negative This charges Capacitors C20 C23 through the time cons...

Page 3: ...MM SLB 55VR3 LD1 1 047499 PCB ASSY BXR 15 STUFFED 1 047498 PCB FAB BXR 15 RAW BOARD 1 024952 RES CF 1 4W 5 100Ω R31 2 024959 RES CF 1 4W 5 330Ω R5 45 2 024965 RES CF 1 4W 5 1K R19 48 2 024971 RES CF 1 4W 5 2 2K R11 14 2 024972 RES CF 1 4W 5 2 7K R6 34 1 024975 RES CF 1 4W 5 3 9K R41 FRONTMAN 15B PARTS LIST PRINTED CIRCUIT BOARD ASSEMBLY CONTINUED QTY PART DESCRIPTION REFERENCE DESIGNATION 1 024977...

Page 4: ...4 041549 GLIDE PRESS IN 75 DIA 2 036199 SCRW M 8 32X1 3 16 OHP BLX CP CHASSIS SIDE MOUNT 4 029828 SCRW PB 8X3 4 PHP ZI 2 018113 SCRW SMA 4X1 2 OHP BLX LOGO MOUNT 4 016627 SCRW SMA 8 x 3 4 OHP BLX 16 026571 SCRW SMAB 8X5 8 THP NI CORNER MOUNT 4 029527 WSHR FNSH 8 5 8 FLNGD BLX WX CHASSIS MOUNT MISCELLANEOUS QTY PART DESCRIPTION REFERENCE DESIGNATION 1 051153 MANUAL OWNERS FRNTMAN 15B 1 047496 SCHEM...

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