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WEB ACCESS: http://www.yorkville.com
WORLD HEADQUARTERS
CANADA
Yorkville Sound
550 Granite Court
Pickering, Ontario
L1W-3Y8 CANADA
Voice: (905) 837-8481
Fax: (905) 837-8746
Quality and Innovation Since 1963
Printed in Canada
U.S.A.
Yorkville Sound Inc.
4625 Witmer Industrial Estate
Niagara Falls, New York
14305 USA
Voice: (716) 297-2920
Fax: (716) 297-3689
SERVICE MANUAL
DB300 / DB300T / DB300H
Inputs
Gain
Bass
Low-Mid
5
0
0
0
-6
Mute
Clip
0
10
-15
+15
-15
+15 -15
Passive
Active
MODEL TYPE: YS1071
DynaBass
300
Hi-Mid
Treble
Scoop
MASTER
0
0
5
5
4
6
Post-EQ
3
7
2
8
Pre-EQ
1
9
Line
+15 -15
+15
0
10
0
10
Out
Tuner
Phones
Limiter
400 Hz
In
Out
Manual-Service-DynaBass300-Series-00-1v1.pdf
Power
On
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Summary of Contents for YORKVILLE Trainor DB300
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Page 1: Service Manual
SERVICE MANUAL MODEL TYPE: YS1071 DB300 / DB300T / DB300H WEB ACCESS: http://www.yorkville.com WORLD HEADQUARTERS CANADA U.S.A. Yorkville Sound Yorkville Sound Inc. DynaBass 550 Granite Court 4625 Witmer Industrial Estate Inputs Gain Bass Low-Mid Hi-Mid Treble Scoop MASTER Power Pickering, Ontario... -
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 3826 STRAIN RELIEF HEYCO #1150 8784 #6 X 7/16 PAN QUAD FRAME BLACK PHOS 5410 100P 100V 10%CAP T&R BEAD 8268 TRAYNOR LOGO PLASTIC NICKEL PLATING 8806 6-32 X 1/2 PAN PH TAPTITE JS500 5412 220P 100V 10%CAP T&R BEAD...
- Page 4 4145 9PIN 3X3 POWER PIN HEADER 8806 6-32 X 1/2 PAN PH TAPTITE JS500 6966 IRL2910 NCH MFET 100V TN 8401 TRAYNOR KNOB, CHROME PLATED 8828 6-32 X 3/4 PAN PH TAPTITE JS500 6745 LM13600N IC XCONDUCTANCE AMP 8636 BUTTON 230X465 RND FLAT BLK (3425)
- Page 5 3826 STRAIN RELIEF HEYCO #1150 8784 #6 X 7/16 PAN QUAD FRAME BLACK PHOS 5410 100P 100V 10%CAP T&R BEAD 8268 TRAYNOR LOGO PLASTIC NICKEL PLATING 8806 6-32 X 1/2 PAN PH TAPTITE JS500 5412 220P 100V 10%CAP T&R BEAD...
- Page 6 Block Diagram for DynaBass 300/300T/300H 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 MODEL TYPE: YS1071 Speaker, Line &...
- Page 7 IRL2910 IRL2910 R190 TWEETER X-OVER INPUTS[O9] 1/8W 1/8W 1/4W 6966 6966 100R0 100R0 R102 BOARD FLMP TO220 FLMP TO220 1N4745A 1N4745A MINI 5.0W INPUTS[O10] BAV21 ZD25 BAV21 ZD24 680N 250V 16V0 16V0 1/4W MINI MR854 HORN FUSIBLE BAV21 MR854 R146 1N5402 22R1 R147...
- Page 8 Gold Gold Gold R176 1/4W 1/4W 0dB INPUT U5:B 1/4W 1/4W 10K0 10K0 MINI EFX-SEND 1/4W U12:B MC33078P 1/4W TL072 1/4W 270R MINI TL072 MINI GAIN R177 R178 TL072 1/4W 1/4W 1/4W U15:B 470R P1:A 10K MINI U15:A R181 100P 100V MINI Gold...
- Page 9 IG = INPUT GROUND IRF720 SG = SIGNAL GROUND IRF822 IRF830 IRF4905 IRF5210 IRL2910 2N5401 M1350-.PCB_DATABASE_HISTORY EC179 MTP2P50E 2N5551 M1350-.PCB_DATABASE_HISTORY MODEL(S):- MTP8P20 DB300 MTP10N15 MPSA06 MJF6388 DB300 MODEL(S):- DATE VER# DESCRIPTION OF CHANGE MTP12P10 MPSA13 MJF6668 MTP23P06 11-AUG-2008 V1.00 RELEASED FOR PRODUCTION...
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Page 10: Tone Controls
R167 1/4W 100V 100P R132 1/4W 1/4W R169 1/4W MC33079P MINI BASS MINI U3:A 1/4W HI-MID 1/4W 1/4W P5:A MINI 1/4W 1/4W 4453 MINI MC33079P P6:A 1/4W 4453 R118 U2:A P8:A SCOOP 4417 1/4W 1/4W 5B LIN 100K R117 1/4W MC33079P R232 1/4W... - Page 11 TWEETER TO220 TO220 T221D 680N N302 220P IRL2910 IRL2910 MJF6388 681R R114 6966 6966 6815 N121 2K87 R141 DB300 M1350 5/5 6467 270R 14K0 N315 R157 N153 N118 N93 N95 R139 100P N402 N352 MC33078P N364 N125 N115 N119 R101...
- Page 12 SEE LAYOUT DIAGRAM M1350 PRODUCTION NOTES DB300 M1350 1_ Q10, Q20 ,R100 , R101 , R114 , R160 ARE HAND INSERTED. 2_ ADD THERMAL JOINT COMPOUND (GOOP) -BETWEEN INNER AND OUTER HEATSINK. YS#3425 -MOUNT HEATSINK TO PCB USING TWO #8829 SCREWS.
- Page 13 SEE LAYOUT DIAGRAM IRF720 IRF822 IRF830 IRF4905 IRF5210 2N5401 IRL2910 M1350-.PCB_DATABASE_HISTORY MTP2P50E 2N5551 MTP8P20 M1350-.PCB_DATABASE_HISTORY MPSA06 MODEL(S):- DB300 MTP10N15L MJF6388 DB300 MPSA13 MODEL(S):- MTP12P10 # DATE VER# DESCRIPTION OF CHANGE MJF6668 MPSA43 MTP23P06 FUNCTION PART# KNOB {NEW} J109 BC550C 11-AUG-2008 V1.00...
- Page 14 5.0W R T V 390R DB300 3538 3820 4056 160V 4056 150R R213 3587 SWITCH CHASSIS GND T221D MJF6388 6815 230V 4147 120V 6872 6871 MC7815CT MC7915CT 4147 TO220 TO220 CAUTION! 6435 275V Replace with same type and value fuse.
- Page 15 DB300T #3826 STRAIN RELIEF DB300 #3826 STRAIN RELIEF NYS224 SLEEVE NYS224 SLEEVE SW BOTTOM VIEW SW BOTTOM VIEW #3702 SW #3702 SW YORKVILLE YORKVILLE 4 " ACTIVE ACTIVE 10" # Z1080 # Z1080 5" 5" 5" 20" 20" WOOFER WOOFER 10"...
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