Fender 021-5700-000 Service Manual Download

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TWIN (PRO-TUBE) AMP

p/n 021-5700-000 (120V)

SERVICE MANUAL

CONTENTS:

Notices

Specifications

Service notes

Parts lists:

PCB assy-main

PCB assy rear

panel

Chassis assy

Cabinet assy

End item

Drawings

Fender Musical Instruments Corp.

7975 North Hayden Road Scottsdale, AZ 85258

Summary of Contents for 021-5700-000

Page 1: ...00 120V SERVICE MANUAL CONTENTS Notices Specifications Service notes Parts lists PCB assy main PCB assy rear panel Chassis assy Cabinet assy End item Drawings Fender Musical Instruments Corp 7975 North Hayden Road Scottsdale AZ 85258 ...

Page 2: ...arked 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...

Page 3: ...ut impedance 1MΩ Tubes Four 6L6GC P N 053980 Two 12AX7A P N 023572 Five 12AX7WA P N 013341 One 12AT7 P N 023531 Fuses F200 T4A 250V 100V 120V units T2A 250V 230V 240V units F201 T5A 250V Internal filament fuse on 230V 240V units F1 F2 T100mA 250V all units Speaker Complement Two 8Ω Fender 12 P N 037617 Footswitch Four Button Channel Effects Reverb Tremolo P N 057025 Dimensions Height 19 7 8 50 7 c...

Page 4: ...JUSTMENTS A Warm up the amp for 2 minutes with STAND BY OFF and the OUTPUT POWER set to FULL Set SPEED and INTENSITY TO 1 and make sure TREMOLO is OFF Flip the STAND BY switch to the UP position B Remove the bias controls cover box C Set BIAS with a DC voltmeter measure VDC between GND and V9 V10 test points Adjust BIAS for 06 VDC 60mVDC D Set BALANCE measure the VDC between V9 V10 and V11 V12 tes...

Page 5: ...0 15 cut C224 225 3 0027272003 CAP MPF 047uF 63V 10 C218 C220 C223 1 0027280003 CAP MPF 15uF 63V 10 C217 2 0027281003 CAP MPF 22uF 63V 10 C215 C221 2 0027286003 CAP MPF 47uF 63V 10 C219 C222 1 0033477003 CAP MPF 68uF 63V 10 C11 3 0024823000 CAP MPF RDL 01uF 400V 10 C23 C103 C110 6 0024833000 CAP MPF RDL 022uF 400V 10 C3 C9 C12 C21 C108 109 10 0024845000 CAP MPF RDL 047uF 400V 10 C2 C6 C10 C13 C15 ...

Page 6: ... 0036957001 RES CF 1 2W 5 470k LL R26 R144 1 0025115001 RES CF 1 2W 5 82k LL R110 12 0024969001 RES CF 1 4W 5 1 5k LL R4 R14 R21 R43 R51 R62 R68 69 R114 115 R215 R238 8 0024997001 RES CF 1 4W 5 100k LL R8 R147 R208 R220 R226 R230 R243 R249 11 0024981001 RES CF 1 4W 5 10k LL R19 R25 R30 R41 R50 R60 R143 R207 R231 233 1 0024937001 RES CF 1 4W 5 10ohm LL R250 1 0024999001 RES CF 1 4W 5 150k LL R100 5...

Page 7: ...ET TUBE 9 PIN PCB MOUNT V1 8 4 0057238000 TUBE SOCKET 8 PIN PCB MOUNT V9 V12 1 0049976000 SWITCH TOGGLE DPST DC W NUTS S203 OutputPower 6 0016440000 STNDOFF RND AL 6 32x1x1 4 V9 V11 V12 V12 hardware for PCB mtg 6 0039367000 SCRW M6 32X3 8 PHP SS INTLWSHR V9 V11 V12 V12 hardware for PCB mtg 4 9904101500 SCRW M 6 32x3 8 PHPS BLX ITLW V9 V11 2 0026459000 WASHER FLAT 6x3 8 ZI V12 V12 hardware for PCB ...

Page 8: ...124 2 0028153001 RES CF 1 4W 5 75k LL R151 152 2 0024980001 RES CF 1 4W 5 8 2k LL R48 R59 1 0028029001 RES FILM 1W 5 1 5k LL R213 4 0027354001 RES FILM 1W 5 220k LL R120 121 R125 126 2 0033095001 RES MOX FP 1W 5 1ohm LL R116 117 1 0028091000 SWITCH PUSH SLFLK S3 FX Loop 1 0048451000 BUTTON PUSH OFF WHITE S3 2 0016739003 XSTR NPN 2N4401 TO 92 Q100 101 CHASSIS ASSEMBLY QTY PART DESCRIPTION REFERENCE...

Page 9: ...1 J12 2 0016436000 WSHR LCK INTL 3 8 x 687 x 035 NI SPKR JACKS J11 J12 2 0016352000 NUT HEX 3 8 32 x 3 32 TK NI SPKR JACKS J11 J12 1 0056891000 CHASSIS TWIN AMP 1 0057032000 COVER BOX BIAS CONTROLS PRO TUBE AMPS 1 0057012000 PANEL FRONT TWIN AMP 1 0057013000 PANEL REAR TWIN AMP 2 0023572000 TUBE 7025 12AX7A CHINESE V1 2 5 0013341000 TUBE 7025 12AX7WA RUSSIAN MADE V3 6 V8 1 0023531000 TUBE 12AT7 HI...

Page 10: ...240V AUS REF 0057031000 CHASSIS ASSY TWIN AMP 100V JPN 1 0047248000 CORD PWR W IEC CONN DOM REF 0047251000 CORD PWR W IEC CONN 230V EUR REF 0047249000 CORD PWR W IEC CONN 230V UK REF 0047250000 CORD PWR W IEC CONN 240V AUS REF 0053997000 CORD PWR W IEC CONN 100V JPN 2 0024828000 LEG AMP TILT 16 CAB SIDES 2 0021998000 NUT FLEX LOCK 10 32 W NYLON IN TILTBACK LEGS 2 0022277000 SCRW M 10 32x1 1 2 OHP ...

Page 11: ...CABLE 1 0025722000 CABLE REVERB 1100mm CHASSIS TO REV UNIT 1 0064063000 REVERB UNIT 4 SPRING 4AB3C1B INSIDE REV BAG 1 0028044000 CABLE ASSY SPKR RT ANG 33 SPKR TO MAIN SPKR JACK 1 0022491000 CLAMP CABLE NYL SCRW MNT 5 16 SPKR CABLE 2 0037617000 SPKR 12 8M 50W 099 4812 002 BAFFLE 8 0026577000 SCRW M 10 32x1 PHP BLX SPEAKERS 4 0056483000 CASTER SWIVEL EL COM 2 12 CABS 8 0037215000 WSHR C SNK 6 NI CA...

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