Bugera 6050 Service Manual
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Bugera 6050 Service Manual

Boutique-style 120-watt 2-channel tube combo with reverb
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Service Manual
Created: 15 March 2015
6050
Boutique-Style 120-Watt 2-Channel Tube Combo with
Reverb
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
PCB Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Exploded Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
© 2015 MUSIC Group IP Ltd. All third party trademarks mentioned belong to their respective owners and are not affiliated with MUSIC Group IP Ltd. All information (including
drawings and diagrams) contained in this document is the property of MUSIC Group IP Ltd., its subsidiaries or content providers, and is protected by intellectual property (copyright,
trademark, patents, etc) laws, international treaty provisions and other laws. Any unauthorized disclosure, use, application, reproduction, modification, lease, sale, transmission or
any other dealings in the information may violate applicable laws and result in civil and/or (where applicable) criminal liabilities and penalties.

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Summary of Contents for Bugera 6050

  • Page 1 Service Manual Created: 15 March 2015 6050 Boutique-Style 120-Watt 2-Channel Tube Combo with Reverb Specifications ..............2 PCB Schematic .

  • Page 2: Specifications

    - Hand-built 120-Watt guitar combo driven by 4 x 6L6 tubes (convertible to EL34) - 2 original heavy-duty 12" BUGERA guitar speakers for true vintage sound - Classic 2-channel preamp design (Clean/Crunch, Lead) featuring 6 x 12AX7 tubes for terrifying punch...

  • Page 3: Pcb Schematic

    6050 PCB Schematic Page 3...
  • Page 4 6050 PCB Schematic Page 4...
  • Page 5 6050 PCB Schematic Page 5...
  • Page 6 6050 PCB Schematic Page 6...
  • Page 7 6050 PCB Schematic Page 7...
  • Page 8 6050 PCB Schematic Page 8...

  • Page 9: Parts List

    6050 Parts List Hi Pcb Assemblies Quantity Unit S.Sku M.Sku Description Reference Designators Notes 1.0000 PC Q05-00000-03551 A05-00000-03551 PCB ASSEMBLY;BDM1;BUGERA;REV:E;HAND INSERT;NO:722080 1.0000 PC A05-00000-04299 PCB ASSEMBLY;FSB104A;BUGERA;REV:B;HAND INSERT;NO.717100 1.0000 PC Q05-40800-04604 A05-40800-04604 PCB ASSEMBLY;LED;P0408;REV:A;HAND INSERT;NO.709020 1.0000 PC Q05-62101-07210 A05-62101-07210 PCB ASSEMBLY;P0621;PCB:01;FRONT;REV:G;HAND INSERT;NO:815090...
  • Page 10 6050 Parts List Cable Quantity Unit S.Sku M.Sku Description Reference Designators Notes 0.1820 M A74-00000-00720 WIRE;RAW FLAT CABLE;UL2651;AWG:28;POLES:20;GRAY;PIN1:RED;PITCH:1mm27 1.0000 PC A74-00051-70720 CABLE;FLAT;P2mm54;LENGTH:170mm;AWG:28;FC3/FD+10/- [P0621:01: {1.0}(X54)] 0mm;POLES:20 1.0000 PC A81-00000-01109 WIRE HARNESS;AWG:18;UL1015;3.96 MM;2;COMMON;230 MM;RD/BK 0.0000 PC A81-02500-26005 WIRE HARNESS;LENGTH:25mm;AWG:26;HOUSING - BOARD IN CONNECTOR;POLES:2;P:2mm;PIN2 RED/OTHERS BLK;PIN 1 IS...
  • Page 11 6050 Parts List Quantity Unit S.Sku M.Sku Description Reference Designators Notes 1.0000 PC A81-17030-26840 WIRE HARNESS;LENGTH:170mm;ZEE;AWG:26;P:2mm;HOUSING- [P0621:02: {1.0}(X18)] BOARD IN CONNECTOR;POLES:2;PIN1 RED/OTHERS BLK;PIN 2 IS SHIELDED 0.0000 PC A81-23070-22022 WIRE HARNESS;LENGTH:230mm;POLES:2;UL1015;P:3mm96;HOUSING - STRIP/TIN 0.0000 PC A81-28030-46045 WIRE HARNESS;LENGTH:280mm;AWG:26;HOUSING - BOARD IN [P0621:04: {0.0}(X2)]...
  • Page 12 6050 Parts List Capacitor Quantity Unit S.Sku M.Sku Description Reference Designators Notes 2.0000 PC CAP E;47uF;16V;PITCH:2mm5;5mm x 11mm;PRECUT:3mm2 - [BDM1:00: {2.0}(C1,C4)] *NOT available in DP 0/+0mm2 2.0000 PC CAP E;4uF7;25V;PITCH:2mm5;5mm x 11mm;PRECUT:3mm2 - [BDM1:00: {2.0}(C2,C6)] *NOT available in DP 0/+0mm2 3.0000 PC...
  • Page 13 6050 Parts List Quantity Unit S.Sku M.Sku Description Reference Designators Notes 1.0000 PC CAP E;100uF;500V;20%;PITCH:7mm5;18mm x 40mm;105???C;SNAP- [P0621:02: {1.0}(C34)] *NOT available in DP 1.0000 PC R12-32100-04351 B12-32100-04351 CAP X2;100nF;275V;PITCH:15mm;CASE:8mm5 x 18mm;CASE:8mm5 [PSU6:00: {1.0}(C1)] x 18mm;PRECUT:3.1mm+/-0mm5 2.0000 PC CAP CER;10nF;1KV;20%;PITCH:10mm;DISC;PRECUT:3mm1 +/-0mm5 [P0621:02: {2.0}(C37,C64)] *NOT available in DP 1.0000 PC...
  • Page 14 6050 Parts List Connector Quantity Unit S.Sku M.Sku Description Reference Designators Notes 2.0000 PC R84-00000-01620 B84-00000-01620 AMP TERMINAL;BRASS W TIN;7205A-BS-2 16.0000 PC R84-19056-06015 B84-19056-06015 CONNECTOR;TERMINAL;BRASS W TIN;AWG16-22;JS-4008-T 2.0000 PC R84-22000-06018 B84-22000-06018 CRIMP TERMINAL;PITCH:3mm96;AWG18-22;A3963TOP-2 34.0000 PC R84-25016-06014 B84-25016-06014 CRIMP TERMINAL;PITCH:2mm0;AWG24-30;A2008TOP-2 2.0000 PC...
  • Page 15 6050 Parts List Hardware Quantity Unit S.Sku M.Sku Description Reference Designators Notes 70.0000 PC NAIL;CROWN:2mm2;WIDTH:1mm27;THICKNESS:1mm0;LENGTH:25 *NOT available in DP mm;18-GAUGE (0.49*0.40) FINISH;GALVANIZED 40.0000 PC NAIL;CROWN:2mm2;WIDTH:1mm27;THICKNESS:1mm0;LENGTH:30 *NOT available in DP mm;18-GAUGE (0.49*0.40) FINISH;GALVANIZED 50.0000 PC NAIL;STAPLE;CROWN *NOT available in DP 10mm;LEGLENGTH:10mm;WIDTH:1.2mm;THICKNESS:0mm6;FINISH: GALVANIZED 100.0000 PC...
  • Page 16 6050 Parts List Quantity Unit S.Sku M.Sku Description Reference Designators Notes 2.0000 PC SCREW;M4mm*30mm;HEAD:OVAL;INSERT:PHILIPS *NOT available in DP REC.;SURFACE:BLACK/ZINC 4.0000 PC SCREW;M4mm*33mm;HEAD:OVAL;INSERT:PHILIPS *NOT available in DP REC.;SURFACE:BLACK/ZINC 11.0000 PC SCREW;M4mm*38mm;HEAD:TRUSS;INSERT:PHILIPS *NOT available in DP REC.;SURFACE:ZINC/BLACK 4.0000 PC SCREW;M5mm*20mm;HEAD:PAN;INSERT:PHILIPS *NOT available in DP REC.;SURFACE:BLACK/ZINC...
  • Page 17 6050 Parts List Quantity Unit S.Sku M.Sku Description Reference Designators Notes 4.0000 PC HEX. *NOT available in DP NUT;THREAD:9mm;THICKNESS:2mm;PITCH:0mm75;SURFACE:NICKE L;(PHONE JACK) 5.0000 PC HEX. NUT;FOR JACK;M *NOT available in DP 3/8in;HEXWRENCH:11mm;THICKNESS:2mm;SURFACE:NICKEL/SLV 11.0000 PC SCREW;M4mm*38mm;HEAD:TRUSS;INSERT:PHILIPS *NOT available in DP REC.;SURFACE:ZINC/BLACK 8.0000 PC WASHER;PLAIN;INNER DIA:5mm1;OUTER...
  • Page 18 6050 Parts List Quantity Unit S.Sku M.Sku Description Reference Designators Notes 1.0000 PC S60-54422-00528 C60-22422-00528 IC;AD/DA;V4220M;SSOP [BDM1:00: {1.0}(IC3)] 1.0000 PC C60-54422-00528 IC;AD/DA;CS4220;SOP 1.0000 PC S73-58007-22208 C73-58007-22208 IC;OPAMP OPAMP;TL072;SOP;BRAND:ST ONLY [BDM1:00: {1.0}(IC5)] 1.0000 PC S77-05107-03010 C77-05107-03010 IC;VOLT.REGULATOR;7805;TO220 [BDM1:00: {1.0}(IC1)] 1.0000 PC...
  • Page 19 6050 Parts List Metal Part Quantity Unit S.Sku M.Sku Description Reference Designators Notes 2.0000 PC A62-00000-86271 METAL;P0B21;STEEL 1.0mm;BLUE;FRAME;FR307S02F 1.0000 PC A62-00200-08705 METAL;BOTTOM COVER;FSB104;BLACK;DST.NO:002;DPT.NO:08705(R14-FS114- FOOTBOTTOM-REVB.DWG) 2.0000 PC A65-00100-03194 METAL;YOKE;P0071;TY115S2A;DIA 115X6H- 36.8X22.2H;DST.NO:001;DPT.NO:03194;(LS-TY115S02A-REVA.DWG) 1.3600 G A65-00100-03219 METAL;FOIL;KAPTON;WIDTH:28 mm;THICKNESS:0.125 mm 2.0000 PC A65-00100-10104 METAL;TOP PLATE;TP115S02E[R];F115*F39.2*6H F60-4*F5;PLATING WEIGHT:408G;DST.NO:001;DPT.NO:10104;(LS-TP115S02E-...
  • Page 20 DIN JACK BUSHING BUSHING-REVA.DWG) 2.0000 PC G58-00100-12649 PLASTIC;SPACER LED;I00454P;DST.NO:001;DPT.NO:12649;(I00454P- SPACER_LED-REVA.DWG) 3.0000 PC G58-00200-11129 PLASTIC;LED SPACER;MOULDING;BLACK;NO:8LENGTH:9MM;DST.NO:002;DPT.NO: 11129;(LED-SPACER9MM.REVB.DWG) 1.0000 PC G58-00200-11578 PLASTIC;BUGERA LOGO;I00315P;LIGHT YELLOW LOGO CHROME;DST.NO:002;DPT.NO:11578;(I00315P-BUGERA_LOGO- REVB.DWG) 1.0000 PC G58-00200-11704 PLASTIC;SPACER LED REC;I00355P;DST.NO:002;DPT.NO:11704;(I00355P- SPACER_LED_REC-REVB.DWG) 2.0000 PC G58-00300-11196 PLASTIC;RUBBER REAR GRILL SUPPORT SUPPORT;I00274P;DST.NO:003;DPT.NO:11196;(I00274P- RUBBER_SUPPORT-REVC.DWG)
  • Page 21 6050 Parts List Plug Socket Quantity Unit S.Sku M.Sku Description Reference Designators Notes 1.0000 PC W61-65220-03293 G61-65220-03293 BOX HEADER;POLES:20;2 ROW;STRAIGHT;PITCH:2mm54;SCM-20S [BDM1:00: {1.0}(X3)] 1.0000 PC G61-75220-13428 CABLE HEADER;POLES:20;2 ROW;IDE;STRAIGHT;PITCH:2mm54;FC- 1.0000 PC G61-85220-08163 TRANSITION PLUG;FLAT CABLE;POLES:20;ROWS:2;STRAIGHT;PITCH:2mm54;BLACK;FD-20P 1.0000 PC W64-01211-03174 G64-01211-03174 PLUG;JACK STEREO 6mm3;STRAIGHT SOLDER;W/O [P0621:04: {1.0}(X8)]...

  • Page 22: Power Supply

    6050 Parts List Power Supply Quantity Unit S.Sku M.Sku Description Reference Designators Notes 1.0000 PC Z60-80000-01996 J60-80000-01996 TRAFO;AUDIO I/O;EI0165(R1L);NANHAI NRE 1.0000 PC Z65-94064-01997 J65-94064-01997 TRAFO;EI;P0406;EI01066(R1L);EU 240V;NANHAI NRE (EU, UK, SAA, AR) 1.0000 PC Z65-94067-02068 J65-94067-02068 TRAFO;EI;P0406;EI0177(R1L);JP 100V;NANHAI NRE (JP, HM, SH) 1.0000 PC...
  • Page 23 6050 Parts List Resistor Quantity Unit S.Sku M.Sku Description Reference Designators Notes 3.0000 PC RESISTOR;CARBON;22ohm;5%;0W063;SMD603 [BDM1:00: {3.0}(R4-R6)] *NOT available in DP 1.0000 PC RESISTOR;CARBON;100ohm;5%;0W063;SMD603 [BDM1:00: {1.0}(R2)] *NOT available in DP 1.0000 PC RESISTOR;CARBON;360ohm;5%;0W063;SMD603 [BDM1:00: {1.0}(R17)] *NOT available in DP 1.0000 PC RESISTOR;CARBON;470ohm;5%;0W063;SMD603...
  • Page 24 6050 Parts List Quantity Unit S.Sku M.Sku Description Reference Designators Notes 2.0000 PC RESISTOR;METAL;68Kohm;1%;0W25;LEAD WIRE;HORIZONTAL 26- [P0621:02: {2.0}(R64,R111)] *NOT available in DP 1.0000 PC RESISTOR;METAL;82Kohm;1%;0W25;LEAD WIRE;HORIZONTAL 26- [P0621:02: {1.0}(R69)] *NOT available in DP 4.0000 PC RESISTOR;METAL;100Kohm;1%;0W25;LEAD WIRE;HORIZONTAL 26- [P0621:02: {4.0}(R68,R70,R73,R94)] *NOT available in DP 1.0000 PC...

  • Page 25: Speaker Part

    6050 Parts List Potentiometer Quantity Unit S.Sku M.Sku Description Reference Designators Notes 4.0000 PC Y03-00000-01270 I03-00000-01270 POTENTIOMETER;1 Mohm;D;20 %;MONO;BULK;70- [P0621:01: {4.0}(VR9-VR10,VR14-VR15)] 110gf;SHAFT:39.6MM 2.0000 PC Y03-87141-04015 I03-87141-04015 POTENTIOMETER;ESD;10Kohm;TAPER:A;MONO;SHAFT:30MM;W/O [P0621:01: {2.0}(VR3,VR5)] CC;TORQUE:40-100gf;IMPROVED STOPPER STRENGTH;(TOPROOT RK093NVB01-F30B12-A10K(300)-O-HHE) 1.0000 PC Y03-87143-04014 I03-87143-04014 POTENTIOMETER;ESD;25Kohm;TAPER:A;MONO;D-SHAFT:30MM;W/O [P0621:01: {1.0}(VR13)] CC;TORQUE:40-100gf;IMPROVED STOPPER STRENGTH;(TOPROOT...

  • Page 26: Vacuum Tube

    6050 Parts List Switch Quantity Unit S.Sku M.Sku Description Reference Designators Notes 1.0000 PC Y77-03422-02778 I77-03422-02778 SWITCH;RADIAL;2P2T;PCB VERSION;LOCKING;NONSHORT;RAD2P [P0621:01: {1.0}(SW2)] 3.0000 PC Y77-03822-02779 I77-03822-02779 SWITCH;RADIAL;2P2T;PCB [P0621:01: {3.0}(SW3-SW5)] VERSION;NONLOCK;NONSHORT;RAD2P/NON 1.0000 PC Y86-00422-00034 I86-00422-00034 SWITCH;SLIDE;2P2T;PCB VERSION;LOCKING;NONSHORT;(COMAX [P0621:03: {1.0}(SW1)] SS22F28-G5 1.0000 PC Y86-00423-01545 I86-00423-01545 SWITCH;SLIDE;2P3T;PCB VERSION;LOCKING;NONSHORT;PBS-110-...
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