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
PRINCETON 112
QTY PART # DESCRIPTION REFERENCE DESIGNATION
1 029609
6 024965 RES CF 1/4W 5% 1K R18,27,49,62,63,75
1 024969 RES CF 1/4W 5% 1.5K R43
1 024971 RES CF 1/4W 5% 2.2K R15
2 024973 RES CF 1/4W 5% 3.3K R22,24
2 024975 RES CF 1/4W 5% 3.9K R52,71
5 024977 RES CF 1/4W 5% 4.7K R39,95-98
1 028034 RES CF 1/4W 5% 5.1K R4
1 024979 RES CF 1/4W 5% 6.8K R5
1 025942 RES CF 1/4W 5% 7.5K R14
1 024980 RES CF 1/4W 5% 8.2K R21
11 024981 RES CF 1/4W 5% 10K R41,74,77,78,80,84,85,87,88,90,91
2 024985 RES CF 1/4W 5% 15K R6,35
5 024987 RES CF 1/4W 5% 22K R7,11,19,20,34
2 024988 RES CF 1/4W 5% 27K R53,54
1 024989 RES CF 1/4W 5% 33K R1
4 024993 RES CF 1/4W 5% 47K R28,29,33,36
2 026507 RES CF 1/4W 5% 62K R51,70
3 024997 RES CF 1/4W 5% 100K R48,50,92
2 025058 RES CF 1/4W 5% 180K R12,17
5 025059 RES CF 1/4W 5% 220K R13,26,38,42,46
2 025065 RES CF 1/4W 5% 470K R25,47
2 028018 RES CF 1/4W 5% 510K R2,3
1 025067 RES CF 1/4W 5% 680K
4 025069 RES CF 1/4W 5% 1M R76,79,86,89
1 025074 RES CF 1/4W 5% 1.8M R45
1 037169 RES CF 1/2W 5% 1.8K
1 028861 RES CF 1/2W 5% 3.3K R83
1 027346 RES FILM 1W 5% 1.2K R73
2 028029 RES FILM 1W 5% 1.5K R57,59
2 037354 RES CF 1W 5% 4.7K R61,64
1 028045
2 028030
2 034704
1 027628
3 028028
2 028898
2 027638 SCRW TF 4-40X3/8 HWHS ZI (@Q1,2)
2 032908 SCRW TF 6-32X3/8 PHP ZI (HEATSINK TO PCB MOUNT)
2 9904701440 SPACER LED .7X.125 BLUE (@LD3,4)
1 028091 SWITCH PUSH SLFLK SHORT STROKE S1
2 028169 WSHR SHLDR NYL 5/32X1/4 (@Q1,2)
1 016739 XSTR NPN 2N4401 TO-92 Q3
1 028114 XSTR NPN TIP142 TO-218AC Q1
1 028115 XSTR PNP TIP147 TO-218AC Q2
RES CF 1/4W 5% 910Ω
RES FILM 1W 5% 220Ω
RES FILM 1W 5% 680Ω
RES FILM 2W 5% 180Ω
RES FILM 2W 5% 47Ω
RES WW BT 5W 10% .47Ω
RES WW BT 5W 5% 240Ω
R82
R55
R81
R60
R56,58
R68,69
R67
R65,66,72
R93,94
CHASSIS ASSEMBLY
QTY PART # DESCRIPTION REFERENCE DESIGNATION
1 040543 CHS ASSY PRINCETON 112 120V
9 033206 BUSHING KNOB SPACER
1 021709 BUSHING SR .437X.062X13/32 BLK (@ SPEAKER CABLE)
1 026116 BUSHING SR .500X.063X7/16 BLK (@ REVERB CABLE)
1 026038 BUSHING SR .625X.062X37/64 BLK (@ POWER CABLE 100/120V ONLY)
1 010401 BUSHING SR .625X.125X37/64WHT 230V (@ POWER CABLE 230V)
1 026527 CABLE ASSY POWER W/.187 TABS (POWER CABLE 100V/120V ONLY)
1 026528 CABLE ASSY POWER 230V W/.187 TABS (PWR CABLE 230V EXPORT ONLY)
1 036479 CABLE ASSY POWER AUST.W/.187 TABS (240V AUSTRALIA ONLY)
1 040542 CHS PRINCETON 112 (RAW CHASSIS)
1 028560 END BELL XFMR 85W (@ POWER TRANSFORMER)
1 028499 HEATSINK BAR (COUPLER TO CHASSIS)
CHASSIS ASSEMBLY (CONT)
QTY PART # DESCRIPTION REFERENCE DESIGNATION
PRINCETON 112
9 026403
4 028591 NUT ACORN 8-32 (TRANSFORMER MOUNT)
1 040540 PANEL FRONT PRINCETON 112
1 040541 PANEL REAR PRINCETON 112
4 028937 SCRW TF 6-32X5/8 PHP ZI ROLOK (PCB TO CHASSIS MOUNT)
1 038900 SCRW TF 6-32X1/4 PHP ZI (@ GROUND LUG)
3 028500 SCRW TF 8-32X3/4 HWH SLTD Z1 (CHASSIS TO HEATSINK MOUNT)
4 025936 STAND OFF PCB PUSH ON NY 3/8L (PCB TO CHASSIS MOUNT)
1 025935 SWITCH POWER DPST (120V DOMESTIC ONLY)
1 039287 SWITCH POWER DPST .187 TAB GLOBAL (EXPORT ONLY)
4 030007 WSHR LCK INTL 8X.330X.02 ZI (TRANSFORMER MOUNT)
1 040550 XFMR POWER PRINCETON 112 (120V DOMESTIC ONLY)
1 040551 XFMR POWER EXPORT PRINCETON 112 (100V/115V/230V)
KNOB POINTER BLACK 180
QTY PART # DESCRIPTION REFERENCE DESIGNATION
1 040547 CAB ASSY PRINCETON 112 (COMPLETE CABINET)
1 022491 CLAMP CABLE NYL SCRW MNT 5/196 (@ REVERB CABLE)
4 026566 CORNER 2 HOLE W/ TAB NI (TOP REAR, BOTTOM FRONT)
2 026568 CORNER 3 HOLE NI (BOTTOM REAR)
4 029821 EYELET RFLNGD .215OD X.315 L (REVERB PAN MOUNT)
4 019276 GLIDE CAB 1.24X.335 NI (STEEL ONLY)
4 019275 GLIDE CUSHION INSERT (RUBBER ONLY)
1 040548 GRILLE BAFFLE ASSY PRNCTON 112 (COMPLETE GRILLE)
1 027846 HANDLE 9.25 (RUBBER ONLY, NO INSERT)
2 019279 HANDLE CAP 2-3/16 NI
1 032524 INSERT HANDLE (SPRING STEEL)
1 011298 NAMEPLATE FENDER SMALL
4 021972 NUT T 10-32X3/4 STR 3 PRNG BLX (HANDLE MOUNT)
1 028055
10 026571 SCRW CORNER MOUNTING
4 022244 SCRW M 10-32X1-1/8 OHP NI (HANDLE MOUNT)
4 026625 SCRW WPPD 8X1 FH (GLIDE MOUNT)
4 026577 SCRW M 10-32X1-3/16 OHP BLX WX (SPEAKER MOUNT)
6 036199 SCRW M 8-32X1-3/16 OHP BLX WX (CHASSIS MOUNT)
5 029828 SCRW PB 8X3/4 PHP ZI (REVERB PAN/CABLE CLAMP MNT)
2 018113 SCRW SMA 4X1/2 OHP BLX (LOGO MOUNT)
2 011678 SCRW SMA 8X1-1/2 PJ[ BLX (GRILLE MOUNT)
8 029527 WSHR FNSH 8-5/8 FLNGD BLX WX
REVERB UNIT 800 Ω 8EB2C1B DN
°
CABINET ASSEMBLY
MISCELLANEOUS
QTY PART # DESCRIPTION REFERENCE DESIGNATION
1 028510 CARTON PRINCETON 112
1 010917 FOAM BLOCK FORMED LH ¾
1 010919 FOAM BLOCK FORMED RH ¾
6 010981 FOAM CORNER AMP
1 040549 MANUAL OWNERS PRINCETON 112
1 040536 SCHEM REDUCED W/ SRV PRINCETON 112
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