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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
DynaBass 800H
Compressor
Distortion
Mix
Freq
o
f
f
m
a
x
dry
wet
400
Gain
Hz
Bass
Low-Mid
150
1.5k
Hi-Mid
5
5
0
0
0
0
10
0
10
-15
+15
-15
+15
cut
boost
-15
Inputs
0
-6
Post-EQ
Tube
Pre-EQ
Mute
Line Out
Solid-State
Pre-amp
Bass
Resonance
Protect
tight
loose
400 Hz
MASTER
Treble
Scoop
Effects
Power
0
0
5
5
5
4
6
3
7
2
8
1
9
+15
-15
+15
0
10
0
10
0
10
DynaBass
IN
800H
Out
Distortion
Limiter
Manual-Service-DynaBass800h-00-1v4.pdf
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Table of Contents
Related Manuals for YORKVILLE DynaBass 800H
Summary of Contents for YORKVILLE DynaBass 800H
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Page 1: Service Manual
SERVICE MANUAL DynaBass 800H WEB ACCESS: http://www.yorkville.com WORLD HEADQUARTERS Compressor Distortion Bass Resonance CANADA U.S.A. Protect Freq tight loose 400 Hz Gain MASTER Bass Low-Mid 1.5k Hi-Mid Treble Scoop Effects Power Yorkville Sound Yorkville Sound Inc. 550 Granite Court 4625 Witmer Industrial Estate... -
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 DB800H Parts List 6/8/2010 YS # Description Qty. YS # Description Qty. YS # Description Qty. YS # Description Qty. 3747 BLK SPACER LED CUSTOM 0.5 5240 680N 63V 10%CAP T&R RAD .2FLM 4909 1/4W 200R T&R RES 4751 1/4W 22M T&R RES 6400 YEL 3MM LED 1V9 6MA HIGHEFF...
- Page 4 Block Diagram for DynaBass 800H 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 MJ21196 MJ21195 3722 TIP107 MJE15032 IRF3205 MPSA13 MJE15033 IRF4905 MJE340 6882_PC MPSA63 MPSA56 MJE350 BC550C 2N5401 MPSA06 BC560C 2N5551 K1:B 2N5401 R101 R102 R103 6889_PC 220K 6745_PC BOTTOM 1N750ARL MINI MINI MINI VIEW 4148 E B C E B C C B E E C B G D S...
- Page 6 U4:A 470P MINI 4K99 TL072 1/4W 4148 R130 R122 1/4W 1/4W 10K0 470K TL072 MINI MINI R128 1/4W 1/4W TL072 TL072 U1A:B 10K0 470N 470N 470N 1/4W MINI 4148 U4:C U1A:C R129 IN FROM M1341 1/4W U4:B U1A:A 220N PRE-AMP BOARD 10K0 MINI 100P...
- Page 7 W18_ 16AWG 8200U R282 SCH_ETA_BREAKER DPDT Switch 1/2W ETA Thermal Breaker AC-BLK W22_ BRIDGE Flat 1/2W 6419 1/2W R283 R284 4700U 4700U 12000U XFMR 275V BRIDGE CH1189 Flat 6419 4700U 4700U 12000U 1/2W 250V R287 16AWG 1/2W R285 8200U CHASSIS GND BRIDGE R286 1/2W...
- Page 8 Into Wave BlankSize - 17475x9250 Pcb Mech Top Assy M1340 V1.00 Pos Driver Set P1 for 8mV 681R between TP1 and TP2 NL4MP-1 NL4MP-1 DB800H BAV21 3628 3628 M1340 3580 BAV21 220R0 R128 4K99 R129 6874 V1.00 R130 MJE350 _SPKR 4148 2N5551 16V0...
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Page 9: Heat Spreader
SEE LAYOUT DIAGRAM M1340 PRODUCTION NOTES 1 - MOUNT Q12,Q13,Q26,Q27 SCREWS FROM THE TOP 2 - BOARD ASSEMBLY: INSERT Q36 #6467 10K THERMISTOR BY HAND 3 - FILL SPACE BETWEEN HEATSPREADER AND Q7 AND Q36 WITH THERMAL GOOP GOOP HEAT SPREADER... - Page 10 SEE LAYOUT DIAGRAM M1340 HISTORY M1340 DRILL HISTORY MODEL(S):- MODEL(S):- DB800 DB800 DATE VER# DESCRIPTION OF CHANGE DATE VER# DESCRIPTION OF CHANGE OCT-16-2006 1.00 DERIVED FROM M1204 XS800 AUG-27-2007 Updated for L1 hole size to 78mil, moved route for chas' screws JUL-10-2007 REMOVED HEX ROUTE FOR XISTORS, USE #8783 BOLT FORCE UPDATED PARTS...
- Page 11 10K0 1/4W R131 FOOTSWITCH_DRV_CTRL[G8] W42 WHT W7 RED INPUT[M3] R183 113K 1/2W V1:C 160V MC14007 2X_TRIODE_HCT 100V W1 GRN U23:A 1N5359B 24V0 150K Refer to sheet DISTORTION TUBE PREAMP R213 24V0 1N5359B 1/4W 1/4W 12AX7 4K99 R133 MINI 1/4W V1:B R161 220R 4148...
- Page 12 1/4W 1/4W R116 10K0 Gold Gold Gold EFX-SEND MC33079P U7:E 1/4W 680R 1/4W U7:D R208 10K0 1/4W MC33079P 10K0 IN FROM P8: A PIN 2 U5:E PAGE 1 1/4W 1/4W 1/4W Gold Gold Gold INPUT[M9] U5:A 1/4W 680R R138 MC33079P EFX-RTN U5:C 1/4W...
- Page 13 BASS 1/4W R151 P18:A 4471 R149 R147 R150 1/4W 1/4W 1/4W 20K0 100V MINI 100P R158 1/4W 100V HI-MID 100K NE5532N R160 P15:A 100P 100V U3:C 4471 100V U3:A 4471 U8:A P17:A 100V R155 R156 1/4W 1/4W U8:C R152 LOW-MID 1/4W NE5532N 100V...
- Page 14 2N5401 113K 14K0 100V 49K9 5108 100V 220N 1/4W 1/4W 160V 160V TO92 1/4W 82K50 MC33079P R123 0.1% 17K8 4K99 2N5551 U1:E 1/4W 1/4W 1/4W MC33079P V1:A U1:A 1/4W 12AX7 MC33079P 5107 2X_TRIODE_HCT U2:C U1:B 100V R107 TO92 1/4W MC33079P U1:D 100K 330N...
- Page 15 MUTE EFX 2N5551 1/4W 5107 TO92 R104 MINI R110 W8:I W11:I FOOT SWITCH R108 4K99 BC560C 2N5551 5102 EFX-LED 2N5551 TO92 1/4W 5107 5107 TO92 TO92 R109 100K 4007 4007 S3:B S3:A DISTORTION DISTORTION DISTORTION LED SWITCH 1N5225B 100K 100K 100V INPUT[M3] 1/4W...
- Page 16 R198 1/4W 1/4W 470R MINI R153 10K0 R196 NE5532N 1/4W W17_ R193 R194 MINI U6:C 1/4W 1/4W R200 100R 681R0 0.1% 1/4W U6:A 681R0 0.1% BAL-LINE OUT R190 W19_ 1/4W 3923 681R0 0.1% GROUND LIFT S2:B S2:A 10K0 R148 3425 FLMP Product Product...
- Page 17 BlankSize - 18600x11000 Into Wave Pcb Mech M1341 3V00 Top Assy M1341 3V00 100N 100N 100N 4148 M1341 3V00 10K0 R139 8in 12C 4012 M1341 3V00 10K0 R137 20K0 20K0 SEND THIS BOARD TO WIRING 10K0 4148 4148 R136 4148 R T V SOCKET DB800H...
- Page 18 SEE LAYOUT DIAGRAM M1341 PRODUCTION NOTES PCB Ref. S1, YS Part #3423 1- #6554 LED is Rad pattern, but hand inserted. All are fixed. 2- CUT METAL PIN ON XLR #3923 AS SHOWN 3- USE POT JIG TO LINE UP POTS 4- INSERT PUSHBUTTON KNOB ON SWITCH S1 BEFORE INSERTING INTO PCB.
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Page 19: Pin Configuration
SEE LAYOUT DIAGRAM M1341 HISTORY TABLE MODEL(S):- DB800H DATE VER# DESCRIPTION OF CHANGE 05-JUN-2008 1.00 RELEASED FOR PRODUCTION 20-NOV-2088 2.00 PC7669, ADD ROUTING UNDER J7 07-JAN-2010 3.00 PC7872: Replace C58 with 2x1N5359B #6875 Update parts and board PIN CONFIGURATION M1341 2N5401 MODEL(S):- DB800H... -
Page 20: Service Bulletin
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 800h) with Yorkville specified and sorted 12AX7 tubes (Yorkville Sound part number “12AX7SORTED”). The specified tubes are chosen for their combined attributes of low noise, high gain and no microphonic feedback. - Page 21 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).
- Page 22 230V BLUE BROWN BLACK...
- Page 23 245V BLUE BLACK BROWN...
- Page 24 R4 8 X2 4 100R 0 12V 0 2R 2 R4 2 220R 0 R5 2 R 104 R 103 MPSA1 3 3K 9 O220 O220 14V 0 R8 8 ier+ ier+ R 105 3205 3205 C1 0 4K 7 4148 6954 6954...