YORKVILLE YCS50 Service Manual
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YORKVILLE YCS50 Service Manual

YORKVILLE 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-YCS50-00-1v1 • May 4, 2010

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  • 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

    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 2472 T3,15A GDA BUSSMANN 5X20MM FUSE 3700 RELAY 2C 01AMP DC24 015MA PC-S 6888 HER508 1000V 3A0 DIODE ULTRAFAS TFS-2B TRAYNOR DUAL FOOTSWCH 10' CORD-BULK 3537 ACC# 4EB3C1B LONG REVERB 6437 1N5237B 8V2 0W5 ZENER 5% T&R 8451 10" STRAP HANDLE,BLACK METAL ENDCAP 8842 #4 X 5/16 PAN QUAD TYPE A JS500 BLK 6450 1N5242B 12V0 0W5 ZENER 5% T&R...
  • Page 4 YCS50H 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 SPLITTER PREAMP 12AX7...
  • Page 5 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 6 3682 +PLATE V5:A R149 R136 2.0W 1/4W To_PreAmp 250V To_PowerSupply 820R EL34 R143 PENTODE W30:A 8 W29:A 9 249K W30:B 8 W29:B W30:C 8 W29:C R133 W29:D 9 W30:D 8 W29:E 9 W30:E 8 W29:F R134 W30:F 8 W29:G 3682 OutCT W30:G 8 W29:H 9...
  • Page 7 BlankSize - 16000x12400 StepAndRepeat - X5@3.025Y2@6.0 SCORE FIL GRN R133 R134 100U 2.0W 2.0W SHORT AXIS 160V +PLATE R259 5834 M1292 YCS50 Output R258 V2.00 220K SCORE...
  • Page 8 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. BRAKE ALONG THE LINE SPECIFIED ON THE BOARD BEFORE 11-FEB-2008 1.01 REVISION PER PC7456 14-APR-2008 1.02 CHANGE VALUE OF R49 TO 33K PER PC7535...

  • Page 9: Input Stage

    Preamp Headers W20_:F 8 W20:F NET00142 NET00142 +200V Gain/EQ[I4] Input Stage 113K INPUT_PL R7X1 3440 S8:C C21X W20_:A W25_ Effects/Master[E10] 100N 250V ALTERNATE EQ Shift INPUT_PL Gain/EQ[O3] INPUT_PL INPUT INPUT CLN_GR W21_:C 8 STANDBY To_Input ALTERNATE EQ Shift EQ Shift ALTERNATE CLN_OUT_PL EQ Shift...
  • Page 10 +15V 100K 3700 K1:C 5908 1N5240BRL +15V 100N 10V0 BC550C 5101 TO92 1/4W 1/4W 1/4W 470K 470K 470K -15V 1/4W 100N FT.SWITCH 100R 4148 Effects/Master[N3] Effects/Master[O3] Effects/Master[P3] Effects/Master[Q3] Gold Gold Gold 1/4W MPSA06 MPSA06 470K BC560C 4148 4148 4148 4148 1/4W BC550C LVGND...
  • Page 11 220P 100V 1/4W 620R 1/4W MINI 100V 220P R122 4423 1/4W P18:A 1/4W 5B LIN FX Ret 2 -15V 4417 1/4W P12:A Send Level U3:B 1/4W 620R U3:C 1/4W U3:A MINI 4423 TL072 1/4W 1/4W EFF.RETURN P13:A EFF.SEND FX Ret 1 1/4W TL072 +15V...
  • Page 12 BREAK PANEL IN 2 ALONG THIS SCORE LINE BEFORE CLINCHING. SCORE 5B LIN Gold Gold C127 Gold LINE.OUT 1.0W 450V C108 3923 R T V Gold Gold Gold 4417 470P DPDT SLID 5959 3732 3732 4ohm/8ohm R7X2 113K 3732 Gold Gold Gold R T V...
  • Page 13 SEE LAYOUT DIAGRAM PRODUCTION NOTES M1294 YCS50 / 90 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: Pin Configuration

    SEE LAYOUT DIAGRAM M1294 Potlist MODEL(S):- PIN CONFIGURATION YCS50/90 YCS50/90 MODEL(S):- 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 BASS 4425 8431...
  • Page 15 16AWG 16AWG OUTX-F_CT SCREEN SPLITTER D13 W1 R221 10K0 R178 R203 2.0W 1.0W 1.0W 1.0W +225V C86 and C87 Values {Description} R205 10K0 HER508 HI V PCB# Value Part# HER508 Choke 3682 Choke 3682 COIL R171 M1295 470U 470U 5957 5957 150K R212...
  • Page 16 BREAK PANEL IN 2 ALONG THIS SCORE LINE BEFORE CLINCHING. SCORE M1353 V4.00 YCS50/50H 100R 100R 470U R184 1.0W 1.0W 1000U R T V R185 8799 5618 100U StepAndRepeat - X3@6.000Y2@5.500 5635 .4"Fins 3692 4007 5635 ClinchRepeats - X3@6.000Y1@5.500 R T V 3692 4007 To_PowerAmp...
  • Page 17 SEE LAYOUT DIAGRAM PRODUCTION NOTES X8001(M1295, M1353, M1357) X8001.PCB_DATABASE_HISTORY 1. BEFORE CLINCHING, BREAK PANEL IN 2 ALONG LINE WHERE INDICATED. MODEL(S):- YCS50, 50H, 90, 30 DATE VER# DESCRIPTION OF CHANGE 2. B.A. WILL PUT C86 AND C87 AS FOLLOWS 26-FEB-2007 1.00 2nd Proto 20-MAR-2007...
  • 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: 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 HER508 M1357 YCS30...
  • Page 20 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 HER508 M1357 YCS30...
  • Page 21 M1353 V4.00 YCS50H 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 HER508 M1357 YCS30...

  • Page 22: Service Bulletin

    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. YCS50H & YCS90 3. Once the amplifier is warmed up, make sure the amplifier is out of Standby mode.

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