Traynor YCS50 Service Manual
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Traynor YCS50 Service Manual

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SERVICE MANUAL
MODEL TYPE: YS 1064
TRAYNOR YCS50
WEB ACCESS: http://www.yorkville.com
WORLD HEADQUARTERS
CANADA
U.S.A.
Yorkville Sound
Yorkville Sound Inc.
550 Granite Court
4625 Witmer Industrial Estate
Pickering, Ontario
Niagara Falls, New York
L1W-3Y8 CANADA
14305 USA
Voice: (905) 837-8481
Voice: (716) 297-2920
Fax: (905) 837-8746
Fax: (716) 297-3689
Quality and Innovation Since 1963
Printed in Canada
Manual-Service-YCS50-00-1v3.pdf

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Summary of Contents for Traynor YCS50

  • Page 1 SERVICE MANUAL MODEL TYPE: YS 1064 TRAYNOR YCS50 WEB ACCESS: http://www.yorkville.com WORLD HEADQUARTERS CANADA U.S.A. Yorkville Sound Yorkville Sound Inc. 550 Granite Court 4625 Witmer Industrial Estate Pickering, Ontario Niagara Falls, New York L1W-3Y8 CANADA 14305 USA Voice: (905) 837-8481...
  • Page 2 IMPORTANT SAFETY INSTRUCTIONS This lightning flash with arrowhead symbol, within The exclamation point within an equilatereal triangle is an equilateral triangle, is intended to alert the user to intended to alert the user to the presence of important the presence of uninsulated “dangerous voltage” operating and maintenance (servicing) instructions in within the product’s enclosure that may be of sufficient the literature accompanying the appliance.
  • Page 3 Part# Description Labeled Components 8268 TRAYNOR LOGO PLASTIC NICKEL PLA CORNER,2 LEGS NOTCED BLACK POWD 8570 8451 10" STRAP HANDLE,BLACK METAL EN #4 X 1/4 PAN PH TYPE A ZINC / #10 WASHER 8770/8817 7081 12" 8R 60WPGM SPKR CELEST VI 3698 SPST ROKR SW QUIK 180"...
  • Page 4 Specifications Model: YCS50 / YCS50H / YCS90 Type: Combo / Head / Combo Guitar Amplifiers Cabinet Impedance (ohms): 8 / na / 8 Power @ min. impedance (Watts): 50 / 50 / 90 Minimum Impedance (ohms): 4 ohms on all models...
  • Page 5 MODEL TYPE: YS1064 MODEL TYPE: YS1067 Block Diagram for YCS50/50H/YCS90 YCS50H Tube Configuration D E S I G N E D A N D M A N U F A C T U R E D B Y Y O R K V I L L E S O U N D...

  • Page 6: Table Of Contents

    4148 100R0 R260 PENTODE PENTODE FLMP TO92 3682 1/4W {Voltage} {Voltage} M1292.PCB_DATABASE_HISTORY MODEL(S):- YCS50 Output DATE VER# DESCRIPTION OF CHANGE 19-JUN-2007 1.00 FIRST DESIGN 11-FEB-2008 1.01 REVISION PER PC7456 14-APR-2008 1.02 CHANGE VALUE OF R49 TO 33K PER PC7535 19-JAN-2010 2.00...
  • Page 7 BlankSize - 16000x12800 StepAndRepeat - X5@3.025Y2@6.4 SCORE FIL GRN R133 R134 100U 2.0W 2.0W SHORT AXIS 160V +PLATE R259 5834 M1292 YCS50 Output R258 220K SCORE...

  • Page 8: 19-Jun-2007 1.00

    SEE LAYOUT DIAGRAM M1292 PRODUCTION NOTES M1292.PCB_DATABASE_HISTORY MODEL(S):- YCS50 Output DATE VER# DESCRIPTION OF CHANGE 1. APPLY RTV TO C65 AND C67. 19-JUN-2007 1.00 FIRST DESIGN 2. BREAK ALONG THE LINE SPECIFIED ON THE BOARD BEFORE CLINCHING 11-FEB-2008 1.01 REVISION PER PC7456...

  • Page 9: R133

    120K Alternate C108 C15X1 W20:H MINI 450V P8:A 100N 400V -15V W20_:H 8 To_PowerSupply W5:D -15V W5:C +15V W5:B Product LVGND YCS50/90 Preamp W5:A LVGND Gain/EQ PCB# M1294 Sheet Date: Thu May 24, 2012 Rev: 2.00 YsType: YS1067,4 Filename: M1294V200SCH.SCH2006...

  • Page 10: 100R0

    8431 REVERB1 4423 8431 CL VOLUME 4425 8431 REVERB2 4423 8431 FX Ret 2 4423 8431 BOOST LEVEL 4425 8431 "STYLE_P32" "STYLE_P28" Product YCS50/90 Preamp Switching PCB# M1294 Sheet Date: Thu May 24, 2012 Rev: 2.00 YsType: YS1067,4 Filename: M1294V200SCH.SCH2006...

  • Page 11: Grn W11

    100N V3:A 10MM NET00236 NGRID NET00280 W21:C W21_:G 8 3682 W21:G NET00246 NET00258 LVGND STANDBY +15V -15V Alternate Alternate Product YCS50/90 Preamp NET00085 NET00086 Effects/Master PCB# M1294 Sheet Date: Thu May 24, 2012 Rev: 2.00 YsType: YS1067,4 LVGND Filename: M1294V200SCH.SCH2006...

  • Page 12: To_Powersupply

    3583 100K W21_ To_Preamp_2 R T V To_Preamp_3 6541 4004 X21X X21X 470R 3921 3583 RETURN SPKR YCS50/90 Preamp W20_ Jig Screw SEND M1294 V200 (2/ ) INPUT C128 To_Input RevRet 6541 (5/ ) 5 INTO WAVE M1294 V200 220R...
  • Page 13 SEE LAYOUT DIAGRAM M1294 V200 PRODUCTION NOTES 1. DO NOT STUFF the headphone circuit parts that have a large 'X' through them. The DNS parts also have X shown on the actual board on the silkscreen legend. 2. Lay C126 flat before RTVing. 3.
  • Page 14 SEE LAYOUT DIAGRAM M1294 Potlist MODEL(S):- YCS50/90 YCS50/90 MODEL(S):- PIN CONFIGURATION DATE VER# DESCRIPTION OF CHANGE FUNCTION PART# KNOB {NEW} 2007/02/08 1.00 PC#7287, replace input eyelets with RCA jacks #6541 TREBLE 4424 8431 PC#7298, Change R94 from 180k to 82k, #4837 and...
  • Page 15 Added ClinchRepeats field -RAW R181 29-AUG-2007 2.00 Renamed to X8001. Added jumpers for M1295/YCS90, 220N 220N 1/4W C113 M1353/YCS50, M1357/YCS30. Imported fixture nodes. 250V 250V 4007 1000U 250V Moved R171 0.05in more away from tab W11. Updated 350V 350V DPDT Switch...
  • Page 16 BREAK PANEL IN 2 ALONG THIS SCORE LINE BEFORE CLINCHING. CLINCH M1353 V05 YCS50/50H ORIGIN SCORE StepAndRepeat - X3@5.375Y2@5.400 SCORE R184 100R 100R 470U 1.0W 1.0W 1000U R T V R185 5618 100U 5635 8799 4007 5635 3692 R T V...
  • Page 17 19-JUN-2007 Added ClinchRepeats field 3. B.A. WILL CUT TWO OTHER JUMPERS 29-AUG-2007 2.00 Renamed to X8001. Added jumpers for M1295/YCS90, TO220 M1353/YCS50, M1357/YCS30. Imported fixture nodes. M1295 YCS90 M1295 Moved R171 0.05in more away from tab W11. Updated M1353 YCS50/50H pads on TO220 and Molex pins.
  • Page 18 5B LIN 4417 Send Level 3424 DPDT SLID 4ohm/8ohm OD GAIN BOOST LEVEL OD VOLUME TREBLE BASS REVERB1 FX Ret 1 500K 500K 500K 100K 500K BOOST Modern Scoop 4425 4425 4425 4424 4423 4425 4423 4423 Alternate Alternate Alternate MASTER VOLUME Presence Resonance...
  • Page 19 M1353 V4.00 YCS50 100R 100R 470U R184 1.0W 1.0W 1000U R T V R185 8799 5618 100U 5635 3538 .4"Fins 5635 3692 4007 8799 R T V 3692 4007 To_PowerAmp R182 100U M1295 YCS90 HI V 16AWG M1353 YCS50/50H 5635...

  • Page 20: Amp Mode

    M1353 V4.00 YCS50 100R 100R 470U R184 1.0W 1.0W 1000U R T V R185 8799 5618 100U 5635 3538 .4"Fins 5635 3692 4007 8799 R T V 3692 4007 To_PowerAmp R182 100U M1295 YCS90 HI V 16AWG M1353 YCS50/50H 5635...
  • Page 21 3538 .4"Fins 5635 3692 4007 8799 R T V 3692 4007 To_PowerAmp R182 100U M1295 YCS90 HI V 16AWG M1353 YCS50/50H 5635 HER508 M1357 YCS30 5958 6888 X8001 V4.00 5.0W 1.0W HER508 5958 6888 R203 V T R C101 250V...
  • Page 22 SERVICE BULLETIN Tube Bias Adjustment 1. Adjust the amplifiers bias when in the 50W mode (YCS50/H) or 90W mode (YCS90). A speaker/load should be connected at all times when amplifier is powered. Products Affected Traynor YCS50, 2. Turn the amplifier on; allow it to warm up for 2-3 minutes.
  • Page 23 3428 8' 3/18 SJT AC LINE CORD REMOVABLE 8770 1/4-20 X 1 5/16 TRUSS PH MS JS500 5197 220P 100V 2%CAP T&R RAD CER.2NPO 8269 TRAYNOR LOGO PLASTIC W/ BLK INSERT 8657 6-32 X 3/8" HEX SPACER ALUMINUM 5277 220P 200V 5%CAP T&R RAD CER.2NPO...

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Ys 1064

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