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Traynor YCS90 Service Manual
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Traynor YCS90 Service Manual

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SERVICE MANUAL
MODEL TYPE: YS1067
TRAYNOR YCS90
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-YCS90-00-1v1 • Jul 7/2008

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Summary of Contents for Traynor YCS90

  • Page 1 550 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-YCS90-00-1v1 • Jul 7/2008...

  • Page 2: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS This lightning flash with arrowhead symbol, The exclamation point within an equilatereal within an equilateral triangle, is intended to alert triangle is intended to alert the user to the the user to the presence of uninsulated presence of important operating and “dangerous voltage”...
  • Page 3 3 1404 TOROID COVER VR 130 X 70 5226 _68N 100V 5%CAP T&R RAD .2"FLM 1 4871 1/4W 560R T&R RES 1 CH1336 120-100VAC 60-50HZ YCS90 T'RD 5229 150N 63V 10%CAP T&R RAD .2"FLM 2 5019 1/4W 620R 5%MINI T&R RES...
  • Page 4 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 5: Input Stage

    Preamp Headers W20:F W20_:F 8 NET00142 NET00142 +200V Input Stage 113K R7X1 INPUT_PL 3440 C21X S8:C W20_:A W25_ 100N 250V ALTERNATE EQ Shift INPUT_PL INPUT_PL INPUT INPUT W21_:C 8 CLN_GR STANDBY To_Input CLN_OUT_PL ALTERNATE EQ Shift EQ Shift ALTERNATE EQ Shift ALTERNATE To_Input 3700...
  • Page 6 CUT R91 CONNECTION AND RECONNECT IT TO W30 P4 TREBLE 4424 8431 2007/12/10 2.00 REVISED BOARD PER PC#7333 BASS 4425 8431 PC#7446, ONLY FOR YCS90, REMOVE R256 AND R257 4423 8431 OD VOLUME 4425 8431 Resonance 4425 8431 MASTER VOLUME...
  • Page 7 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:A U3:C 1/4W MINI 4423 1/4W TL072 1/4W EFF.RETURN P13:A EFF.SEND FX Ret 1 TL072 1/4W +15V...
  • Page 8 SEE PRODUCTION W26_ R257 W11_ 100N R108 NOTE, PC# 7446 113K C119 M1294 R256 R256 470K V200 M1294 V200 ONLY YCS90 (3/ ) 5 12V0 R109 R109 RING-SW R T V INT SPEAKER 12V0 C19X 470N R23X To_IG To_Preamp_2 R155 100K...
  • Page 9 2. Lay C126 flat before RTVing. 3. Bend C21X as flat as possible towards components R210X and X34 before RTVing. PC# 7446 ONLY FOR YCS90 4. Wave solder in the indicated direction. 5. YCS90 ONLY T&R REMOVE R256 AND R257...
  • Page 10 CUT R91 CONNECTION AND RECONNECT IT TO W30 P4 BASS 4425 8431 2007/12/10 2.00 REVISED BOARD PER PC#7333 4423 8431 PC#7446, ONLY FOR YCS90, T&R WILL REMOVE TWO 2N5401 OD VOLUME 4425 8431 RESISTORS, R256 AND R257. Resonance 4425 8431...
  • Page 11 4520 1/4W 160V R259 820R 100U 1/4W 1N5237B 5108 4148 R260 TO92 1/4W Product Product YCS90 Output YCS90 Output Power Amp Power Amp PCB# PCB# M1296 M1296 Sheet Sheet Date: Date: Mon Jun 09, 2008 Mon Jun 09, 2008 Rev: Rev: 1.02...
  • Page 12 3984 R139 2.0W 820R R137 R146 R T V 249K 249K 5834 R145 R154 2.0W 3984 R135 820R R T V +PLATE -PLATE OutCT R142 2.0W 3984 R T V 820R R138 249K R144 249K R143 R257 220K Bias 4148 2N5401 R260 R149...
  • Page 13 SEE LAYOUT DIAGRAM PRODUCTION NOTES M1296 MODEL(S):- YCS90 DATE VER# DESCRIPTION OF CHANGE APPLY RTV TO C64, C54, C66 AND C67. 2007/06/06 1.00 FIRST DESIGN 12-FEB-2008 1.01 REVISION PER PC7456 09-JUN-2008 1.02 PC7393: CHANGE R49 FROM 39K TO 43K #4878...
  • Page 14 FIL- allow eyelet insertion. 3682 LINE 3682 2007/06/19 Added ClinchRepeats field 2007/08/29 2.00 Renamed to X8001. Added jumpers for M1295/YCS90, M1353/YCS50, M1357/YCS30. Imported fixture nodes. -RAW R181 Moved R171 0.05in more away from tab W11. Updated 250V 220N 250V 220N...
  • Page 15 M1295 V3.00 YCS90 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 8799 R182 100U M1295 YCS90 HI V 16AWG 5635 M1353...
  • Page 16 2007/06/19 Added ClinchRepeats field 2007/08/29 2.00 Renamed to X8001. Added jumpers for M1295/YCS90, M1353/YCS50, M1357/YCS30. Imported fixture nodes. Moved R171 0.05in more away from tab W11. Updated pads on TO220 and Molex pins. Corrected X2 span. 2007/09/14 3.00...
  • Page 17 M1295 V3.00 YCS90 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 5635 M1353 YCS50/50H...
  • Page 18 M1295 V3.00 YCS90 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 5635 M1353 YCS50/50H...