Fender Princeton-112-SM Service Manual

PRINCETON 112

p/n 022-6704-000 (120V)

SERVICE MANUAL

CONTENTS:

Notices

Parts lists:

PCB assembly

Chassis assembly

Cabinet assembly

Miscellaneous

Schematics/diagrams

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

PRINCETON 112

(This is the model name for warranty claims)

SERVICE MANUAL

MAY 1993

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 (
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

RESISTOR CODES

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

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

PB = Particle Board
PHP = Pan Head Phillips
PHPS = Pan Head Phillips Sems

PRINCETON 112

PARTS LIST

PRINTED CIRCUIT BOARD ASSEMBLY

QTY PART # DESCRIPTION REFERENCE DESIGNATION

1 040539 PCB ASSY PRINCETON 112
1 028104 BUTTON PUSH SWITCH BLACK (@S1)
1 028577 CABLE ASSY REVERB 30 (@P1-4)
4 038689 CAP AE AX .47uF 100V C15,16,28,34
6 025960 CAP AE AX 22uF 16V C9,10,25,32,40,41
1 038690 CAP AE AX 1.0uF 100V C53
3 026517 CAP AE AX 2.2uF 50V C7,35,37
3 038691 CAP AE AX 4.7uF 50V 20% C36,42,43
4 028471 CAP AE RDL 47uF 50V 20% C38,39,51,52
2 041048 CAP AE RDL 2200uF 50V 20% C47,48
2 038703 CAP CA .1uF 50V 5% C49,50
1 038873 CAP CA 22pF 100V 5% C31
1 038698 CAP CA 47pF 100V 5% C33
3 038699 CAP CA 100pF 100V 5% C6,24,27
1 038701 CAP CA 470pF 50V 5% C14
1 039262 CAP CA 680pf 100V 5% C17
1 039263 CAP CA 1000pF 100V 5% C3
1 039264 CAP CA 1500pF 100V 5% C22
2 039265 CAP CA 2200pF 100V 5% C8,26
1 039266 CAP CA 33000pF 100V 5% C21
2 039268 CAP CA 4700pF 50V 5% C1,2
1 027281 CAP MPF .22uF 63V 10% C5
2 027286 CAP MPF .47uF 63V 10% C4,44
1 036234 CAP PFF RDL .015uF 100V 10% C29
1 033590 CAP PFF RDL .022uF 100V 10% C20
6 033591 CAP PFF RDL .033uF 100V 10% C11-13,30,45,46
3 033592 CAP PFF RDL .047uF 100V 10% C18,19,23
2 037324 CONTROL 100K 30C SNAP IN R23,32
2 037323 CONTROL 50K 15A SNAP IN R8,9
2 034719 CONTROL 50KB SNAP IN R30,44
2 038658 CONTROL RTRY 50K 30C R16,31
1 040552 CONTROL 250K 30C R37
2 064089 DIODE 1N4003 200PRV CR13,14

13 006260 DIODE 1N4448 75PRV

4 020534 DIODE 1N5402 RECTIFIER 200PRV C&F CR22-25
4 028776* DIODE BIAS BY V26D LEAD FORMED CR5-8
2 027329 DIODE ZEN 1N5228B 3.9V 5%
2 028119 DIODE ZEN 1N5353B 16V 5W 5% CR26,27
2 026000 FSTN TAB MALE PCB MT.187X032 CP11,12

10 025802 FSTN TAB MALE .250X.032 PCB MT CP1-10

2 025996 FUSE CLIP PCB .250 x 5MM USE (@XF1)
1 041112* FUSE QA 1-1/4X1/4 250V 1.25AMP F1 (100V/120V ONLY)
1 020787* FUSE QA 20mmX5mm 250V .630AMP F1 (220V/230V/240V ONLY)
1 028497 HEATSINK PLATE (TRANSISITOR MOUNT)
1 028120 IC 4053B TPL 2 CHAN ANLG SW U7
4 016795 IC DUAL OP AMP TLOC2P U1-4
1 031611 IC DUAL OP PC4560 U6
1 028047 IC OP AMP MC 1436PI U5
2 040903 INSULATOR MICA TO-218 (@Q1,2)
3 037036 JACK PHONE PCB MONO CA PREMIUM J2,3,5
2 031570 JACK PHONE PCB STEREO PREMIUM J1,4
8 020888 JUMPER WIRE 22GA .5X.175 W1-8
1 028098 LED 5X5mm GREEN SLB-55MG3 LD3
1 028039 LED RED 5X5mm SLB-55VR3 LD4
2 9902202281 LED RED LONG LEAD LUMEX CS02 LD1,2
1 040538 PCB FAB PRINCETON 112 (BLANK BOARD)
1 024947
1 024961

RES CF 1/4W 5% 47Ω
RES CF 1/4W 5% 470Ω

PRINTED CIRCUIT BOARD ASSEMBLY (CONT)

CR1-4,9,12,15-21

CR10,11

R40
R10