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SERVICE MANUAL
MODEL TYPE: YS1062
DynaBass 400, 400T & 400H
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-db400-t-h-00-1v0 • November 10/2009
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Summary of Contents for Traynor DYNABASS 400 - MANUAL SERVICE
- Page 1 SERVICE MANUAL MODEL TYPE: YS1062 DynaBass 400, 400T & 400H 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...
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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 3426 8' 3/16 SJT AC LINE CORD REMOVB-CSA 4895 1/4W 51K T&R RES 6435 _22N 275V 20%CAP BLK 'X2' 15MM AC 8268 TRAYNOR LOGO PLASTIC NICKEL PLATING 4763 1/4W 82K50 0.1% *** T&R RES 6451 __4N7 250V 20%CAP BLK 'Y' 10MM AC...
- Page 4 3426 8' 3/16 SJT AC LINE CORD REMOVB-CSA 4895 1/4W 51K T&R RES 6435 _22N 275V 20%CAP BLK 'X2' 15MM AC 8268 TRAYNOR LOGO PLASTIC NICKEL PLATING 4763 1/4W 82K50 0.1% *** T&R RES 6451 __4N7 250V 20%CAP BLK 'Y' 10MM AC...
- Page 5 5428 __3N3 50V 10%CAP T&R BEAD 3549 TRIFURCON TERM .156 4895 1/4W 51K T&R RES 5204 _10N 100V 10%CAP T&R RAD .2"FLM 8402 TRAYNOR KNOB, CHROME W/STOPPER 4763 1/4W 82K50 0.1% *** T&R RES 5205 _15N 100V 10%CAP T&R RAD .2"FLM 8633 KNOB ROUND PUSHBUTTON 1/4"...
- Page 6 Block Diagram for DynaBass 400/T/H 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 Input Preamp Tube...
- Page 7 2X_TRIODE_HCT 10K0 1/4W R131 FROM POWER PCB 113K GROWL-CTRL V1:C 160V EFX-MASTER[L10] 100V INPUT[O3] U23:A 275V V1:B MC14007 2X_TRIODE_HCT 150K 1/4W Refer to sheet DISTORTION R213 680P 1/4W 4K99 TUBE PREAMP R133 4148 4148 1/4W 470R 0 dB INPUT PREAMP INPUT SELECTOR DRIVE MIX SELECT...
- Page 8 M1329 HISTORY MODEL(S):- DB400/DB400H/DB400T 1/4W 1/4W R116 10K0 DATE VER# DESCRIPTION OF CHANGE Gold Gold Gold JAN-15-2009 1.00 RELEASED FOR PRODUCTION W45:E W46:E EFX-SEND TLO74CN U7:E 1/4W 4148 680R 1/4W U7:D W45:C W46:C R208 1/4W 10K0 10K0 1/4W 680R 1/4W 1/4W Gold Gold Gold 1/4W...
- Page 9 BASS 1/4W R151 P18:A 4471 R149 R147 1/4W 1/4W 1/4W R150 100V R100 100P 1/4W HI-MID 100K PARAMETRIC MID FREQUENCY 100V P15:A MID-FREQ-PAR R214 4471 100V 1/4W 1/4W P19:A 100K 4471 4469 TL072 P17:A R125 R215 1/4W 1/4W U3:C 100V LOW-MID U8:A U3:A...
- Page 10 2N5401 113K 14K0 100V 5108 1/4W TO92 1/4W R123 82K50 49K9 0.1% 17K8 100V 1/4W 1/4W 4K99 2N5551 220N TLO74CN 1/4W MC33079P 1/4W 1/4W MC33079P 5107 V1:A R107 330N U2:C U1:B 100V 470K MC33079P TO92 2X_TRIODE_HCT U1:D U1:E 1/4W 1/4W 100K 330N 100K...
- Page 11 R126 BC560C EFX-MASTER[G7] 5102 BC550C EFX-MASTER[C5] GROUNDED WHEN TO92 R135 LIMITER SWITCH OUT R155 1/4W 1/4W 5101 TO92 R103 R104 R156 100K 10U 35V BC560C 1/4W 5102 470R MINI TO92 100N 100V R164 R157 R163 R159 1/4W EFX-MASTER[E7] 1/4W R176 1/4W R177 100R...
- Page 12 Into Wave tube support board BlankSize - 18000x9700 FOR CABLE TIE FOR CABLE TIE W12_ R156 R173 200K SOCKET R102 4003 R157 Gold Gold Gold 100N 4000 R161 R162 100R SOCKET UPSIDE DOWN 470N R170 100N 3923 R176 100R Gold Gold Gold 2N5638...
- Page 13 SEE LAYOUT DIAGRAM M1329 PRODUCTION NOTES 1. CUT METAL PIN ON XLR 2. LEDS ARE HAND INSERTED WITH #3747 0.5" SPACER YS# 3923 THIS CONNECTION MUST BE BROKEN HERE...
- Page 14 SEE LAYOUT DIAGRAM M1329 HISTORY M1329 DRILL HISTORY POTLIST MODEL(S):- MODEL(S):- DB400 DB400/DB400H/DB400T DB400/DB400H/DB400T MODEL(S):- DATE VER# DESCRIPTION OF CHANGE DATE VER# DESCRIPTION OF CHANGE FUNCTION PART# KNOB JULY-2003 JAN-15-2009 1.00 RELEASED FOR PRODUCTION DRIVE MIX 4467 8402 P12 / P19 GAIN , MID-FREQ 4469 8402...
- Page 15 WARNING: 180VDC IS BETWEEN POWER SUPPLIES. THIS PRESENTS A SIGNIFICANT SHOCK HAZARD. PLEASE, USE EXTREME CAUTION WHEN SERVICING! Not used in DB400H LIMITER DRIVE AMP[N5] IRL2910 4148 0A45 U8:B 220R 6966 1/4W 1/4W TO220 3682 TW DFT U8:A 1/2W 330K #7336 270R 1N4745A...
- Page 16 CONNECT TO M1329 PRE-AMP BOARD LOW VOLTAGE POWER SUPPLY W10:B 10 W10:H 3682 FIL SUPPLY 1.0W 5.0W 470R 100R 6871 6872 1N4745A 1N4745A 1.0W 3.0W TO220 470R 470R 470R 470R 470R 470R TO220 16V0 470R 330R 16V0 470R 100N 100N 1.0W 3.0W 330R...
- Page 17 DB400/T M1328 V1.00 Into Wave ETCH GUIDE Pcb Mech X8005 V1.00 TWEETER 3602 TO GND LUG TW DFT 5266 250V 680N #3702 SWITCH 6966 6810 6811 6953 DB400 3/3 OUTLINE IRL2910 MJF15030 MJF15031 IRF4905 X8005 V1.00 {Watts} TO220 T221D T221D TO220 SPKR TW DFT...
- Page 18 SEE LAYOUT DIAGRAM M1328/M1342 PRODUCTION NOTES Note: This pcb blank is X8005. After stuffing, R5, C9, W32, W33, ONLY FOR M1328 DB400 AND DB400T. DO NOT STUFF FOR M1342 DB400H it becomes either M1328 for the DB400 or M1342 for the DB400H. TO-3s: INSTALL NUTS ON BOTTOM SIDE OF PCB ADD THERMAL JOINT COMPOUND {GOOP} BETWEEN Q1 AND Q2 ;...
- Page 19 SEE LAYOUT DIAGRAM X8005 HISTORY X8005 DRILL HISTORY BC550C,BC560C MJF15030 IRL2910 MJ21195 J109 MODEL(S):- MODEL(S):- 7915 7815 DB400/DB400T/H MJF15031 IRF4905 MJ21196 DATE VER# DESCRIPTION OF CHANGE DATE VER# DESCRIPTION OF CHANGE JAN-15-2009 1.00 RELEASED FOR PRODUCTION D S G TO-92 TO-92 X8005 PENDING CHANGES MODEL(S):-...
- Page 20 DB400H M1342 V1.00 Into Wave ETCH GUIDE Pcb Mech X8005 V1.00 TWEETER 3602 TO GND LUG TW DFT 5266 250V 680N #3702 SWITCH 6966 6810 6811 6953 DB400 3/3 OUTLINE IRL2910 MJF15030 MJF15031 IRF4905 X8005 V1.00 {Watts} TO220 T221D T221D TO220 SPKR TW DFT...
- Page 21 SEE LAYOUT DIAGRAM M1328/M1342 PRODUCTION NOTES Note: This pcb blank is X8005. After stuffing, R5, C9, W32, W33, ONLY FOR M1328 DB400 it becomes either M1328 for the DB400 AND DB400T. DO NOT STUFF FOR M1342 DB400H or M1342 for the DB400H. TO-3s: INSTALL NUTS ON BOTTOM SIDE OF PCB ADD THERMAL JOINT COMPOUND {GOOP} BETWEEN Q1 AND Q2 ;...
- Page 22 SEE LAYOUT DIAGRAM X8005 HISTORY X8005 DRILL HISTORY BC550C,BC560C MJF15030 IRL2910 MJ21195 J109 MODEL(S):- MODEL(S):- DB400/DB400T/H 7915 7815 MJF15031 IRF4905 MJ21196 DATE VER# DESCRIPTION OF CHANGE DATE VER# DESCRIPTION OF CHANGE JAN-15-2009 1.00 RELEASED FOR PRODUCTION D S G TO-92 TO-92 X8005 PENDING CHANGES MODEL(S):-...
- Page 23 WIRING DIAGRAM-v100-DB400T Part SC-2COMBO right angle plug 10" Woofer 16.5" 10" Woofer M1328 3/3 xover pcb Tweeter...
- Page 24 SERVICE BULLETIN Preamp Tube Replacement Products Affected: xs400, xs400t, xs400h, xs800h, the DynaBass Series (the 400, 400t, db400h and db800h). In order to maintain consistent audio sound quality and performance replace preamplifier tubes in the xs400, xs400t, xs400h, xs800h, the DynaBass Series (400, 400t, 400h and db800h) with Yorkville specified and sorted 12AX7 tubes (Yorkville Sound part number “12AX7SORTED”).
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Page 25: Service Bulletin
SERVICE BULLETIN Remplacement de Lampe Pour Préamplificateur Produits Affectés: xs400, xs400t, xs400h, xs800h, Le Series DynaBass (the 400, 400t, db400h and db800h). Pour préserver une qualité et une performance audio constante remplacez les lampes de préamplificateur des appareils suivants avec des lampes désignées 12AX7 Yorkville assortis (Numéro de pièces Yorkville Sound “12AX7SORTED”): xs400, xs400t, xs400h, xs800h, Le Series DynaBass (400, 400t, 400h et 800h).