YORKVILLE 50KB POWER COMBO Service Manual Download Page 5 | Manualshive

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Block Diagram for 50KB

AMP

Tweeter

4 ohms

Woofer

4 ohms

XLR Balanced

Stereo 1/4 inch

Input 1 Gain Pot

Input 2 Volume

Pot

EQ

In 1

In 2

BLOCK-DIAG-50KB-00-5V1.ai

EFX Return

EFX Send

Channel Inputs

Speaker & Headphone

Outputs

Balanced Effects Loop

Low / High

DESIGNED AND MANUFACTURED BY YORKVILLE SOUND

Left/Mono Balanced

Right Balanced

RCA

Stereo

Contour Filter

Phones

Gain 2

Buffer

+15V Phantom Power

Mono Balanced

Stereo 1/4 inch

Stereo 1/4 inch

*Only available after SER# 308XXXX

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Summary of Contents for 50KB POWER COMBO

Page 1: ...16 297 2920 Fax 716 297 3689 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 WEB ACCESS http www yorkville com SERVICE MANUAL MANUEL DE SERVICE KB KW MODEL TYPE 50K ...

Page 2: ...a propre ventilation Ne procédez pas à l installation près de source de chaleur tels que radiateurs registre de chaleur fours ou autres appareils incluant les amplificateurs qui produisent de la chaleur Les dispositifs marqués d une symbole d éclair sont des parties dangereuses au toucher et que les câblages extérieurs connectés à ces dispositifs de connection extérieure doivent être effectivés pa...

Page 3: ...2x 1 4 inch TRS RCA Channel 2 controls Volume Main Tone Controls Low High Input Sensitivity mV ch 1 XLR 3 Phone 10 ch 2 Phone 100 RCA 100 Line Out type configuration 1 4 inch Front Effects Send Line Out Sensitivity Vrms 1 Effects Loop Location Yes Front Effects Return Sensitivity Vrms 1 LED Indicators Power Limiter Switchable No Headphone Jack Yes Dimensions DWH inches 50KB 12 x 15 x 17 50KW 17 x ...

Page 4: ...RAP 3 4 X22CM VELSTRAP 13 3481 8 3 18 SJT AC LINE CORD 250 CLIPS 14 8547 PLASTIC FOOT BLACK 15 7322 10 4R 50WPGM SPEAKER 16 7415 4R 30W TWEETER RADIAL MOTOROLA 1309 BLOC 40B 40K 40W 50B XFMR 6827 1N5402 200V 3A0 DIODE 6755 LM3876T IC 40 WATT POWER AMP 6840 MC33078P IC DUAL OP AMP 6882 TL072CP IC FET DUAL OP AMP 5887 2200U 50V 20 CAP BLK 18X27MM EL 2468 0 800 AMP SLO BLO 25X1 25 FUSE 3830 TO218 PRE...

Page 5: ...OCK DIAG 50KB 00 5V1 ai EFX Return EFX Send Channel Inputs Speaker Headphone Outputs Balanced Effects Loop Low High DESIGNED AND MANUFACTURED BY YORKVILLE SOUND Left Mono Balanced Right Balanced RCA Stereo Contour Filter Phones Gain 2 Buffer 15V Phantom Power Mono Balanced Stereo 1 4 inch Stereo 1 4 inch Only available after SER 308XXXX ...

Page 6: ...ANADA KB 230V 50Hz 0 2A 120VAC 60Hz 0 4A MODEL TYPE 50K A Z351R 1v5 EFX SEND EFX RTN LINE INPUTS LINE MIC CD LINE PHONES POWER 15 15 12 12 9 9 6 6 3 3 HIGH 15 15 12 12 9 9 6 6 3 3 LOW CHANNEL 1 0 10 1 9 2 8 3 7 4 6 5 0 10 1 9 2 8 3 7 4 6 5 CHANNEL 2 KB ...

Page 7: ... T R RES 1 4873 W250 680R 5 T R RES 2 4897 W250 120R 5 T R RES 1 4980 W250 470R 5 MINI T R RES 4 5231 220N 63V 5 CAP T R RAD 2FLM 1 5256 __1U 63V 5 CAP T R RAD 2FLM 2 5257 __2U2 63V 20 CAP T R RAD 2EL 1 5259 __4U7 63V 20 CAP T R RAD 2 1 5260 _22U 50V 20 CAP T R RAD 2EL 2 5282 _10U 16V 20 CAP T R 5X7MM 2NP 1 5310 _68N 50V 10 CAP T R BEAD X7R 1 5314 100N 50V 10 CAP T R BEAD X7R 9 5317 180N 50V 10 CA...

Page 8: ...OLYFILM BULK U1 6840 MC33078P IC DUAL OP AMP D1 6824 1N5246B 16V0 0W5 ZENER 5 T R U2 6882 TL072CP IC FET DUAL OP AMP D2 6438 1N4007 1000V 1A0 DIODE T R U3 6882 TL072CP IC FET DUAL OP AMP D3 6824 1N5246B 16V0 0W5 ZENER 5 T R U4 6755 LM3876T IC 40 WATT POWER AMP D4 6824 1N5246B 16V0 0W5 ZENER 5 T R U5 6882 TL072CP IC FET DUAL OP AMP D5 6827 1N5402 200V 3A0 DIODE W1 3392 250 MALE TAB 2IN T R D6 6827 ...

Page 9: ...HONES POWER HIGH 15 15 12 12 9 9 6 6 3 3 15 15 12 12 9 9 6 6 3 3 LOW CHANNEL 1 0 10 1 9 2 8 3 7 4 6 5 0 10 1 9 2 8 3 7 4 6 5 CHANNEL 2 KW DESIGNED MANUFACTURED BY YORKVILLE SOUND Toronto CANADA MODEL TYPE 50K A Z335R 1v6 230V 50Hz 0 2A 120VAC 60Hz 0 4A ...

Page 10: ...4873 W250 680R 5 T R RES 2 4897 W250 120R 5 T R RES 1 4980 W250 470R 5 MINI T R RES 4 5256 __1U 63V 5 CAP T R RAD 2FLM 2 5257 __2U2 63V 20 CAP T R RAD 2EL 1 5259 __4U7 63V 20 CAP T R RAD 2 1 5260 _22U 50V 20 CAP T R RAD 2EL 2 5282 _10U 16V 20 CAP T R 5X7MM 2NP 1 5314 100N 50V 10 CAP T R BEAD X7R 7 5317 180N 50V 10 CAP T R BEAD X7R 1 5318 220N 50V 10 CAP T R BEAD X7R 2 5376 __6N8 50V 5 CAP T R BEAD...

Page 11: ...ILM BULK U1 6840 MC33078P IC DUAL OP AMP D1 6824 1N5246B 16V0 0W5 ZENER 5 T R U2 6882 TL072CP IC FET DUAL OP AMP D2 6438 1N4007 1000V 1A0 DIODE T R U3 6882 TL072CP IC FET DUAL OP AMP D3 6824 1N5246B 16V0 0W5 ZENER 5 T R U4 6755 LM3876T IC 40 WATT POWER AMP D4 6824 1N5246B 16V0 0W5 ZENER 5 T R U5 6882 TL072CP IC FET DUAL OP AMP D5 6827 1N5402 200V 3A0 DIODE W1 3392 250 MALE TAB 2IN T R D6 6827 1N54...

Page 12: ... 8 V 4 V U1 C R34 1 4W R36 1 4W 100K R42 1 4W 15K D1 1N5246B 0W5 16V0 R15 1 4W 1K R39 1 2W 10R R40 1 2W 4R7 U3 A TL072 BLK W15 SPKR S1 AC_HOT BLK W7 TRANS_PRIM W1 BLK WHT AC_RET W8 1N5402 D5 D8 1N5402 LD1 GRN 16V 16V C2 50V 100N M578A 4864 4829 5428 5404 C19 50V 6N8 BEAD W5 CHASSIS_GND GRN C41 250V 47N R57 1 4W 680R R45 1 4W 1K8 R19 1 4W MINI 470R R18 1 4W MINI 470R U2 A TL072 R L J9 PCB MT GOLD 4...

Page 13: ...I J K L M N O P Q X578 PENDING CHANGES ...

Page 14: ...K0 100U 25V 1N5402 275V 22N TL072 MC33078P 25V 100U TL072 LM3876T 1N5402 GRN 47N 5 0W 100R 22R 5 0W BOT TOP WIP 10K 5C R A BOT TOP WIP 50K B LIN 50V 2200U 50V 2200U 47P 3K9 100N 1N5 4K7 4K7 68N Stuffed NotStuffed 100N 2K2 V07 50KW V07 50KW M578A 2015 50KB 50KW M578A BlankSize 13900x12800 50KB 50KB X578 M578B M578A M578B M578B INTO WAVE 50KB 50KW V07 C9 R2 C19 D2 C25 C26 R34 R42 R4 C8 C6 C3 R10 C17...

Page 15: ...SEE LAYOUT DIAGRAM ...

Page 16: ...C MODEL M___ PENDING CHANGES 9 6 3 11 10 5 4 8 7 2 1 DATE MODEL S VER DESCRIPTION OF CHANGE 08 NOV 2002 APR 2000 4 00 1 0P2 PC 6576 RESIZE TO ALLOW SHEARING PC 6346 R21 ZD4 MOVED DOWN GROUNDS UPDATED RCA JKS WIRES JMPR 10 JUL 2003 18 APR 2002 07 FEB 2001 20 APR 2000 23 NOV 2000 JAN 2000 5 00P0 2 10 3 00 1 0P3 2 00 1 P0 BEFORE ASSEMBLY NEW TAB HOLE SIZE N PC 6248 3417 BRKTS MOVED DOWN 010 DELETE D1...

Page 17: ...70R 20K0 100U 25V 1N5402 275V 22N TL072 MC33078P 25V 100U TL072 LM3876T 1N5402 GRN 47N 5 0W 100R 22R 5 0W BOT TOP WIP 10K 5C R A BOT TOP WIP 50K B LIN 50V 2200U 50V 2200U 27P 2K7 220N 3N3 0R0 10K 47N NotStuffed Stuffed NotStuffed NotStuffed V07 50KW V07 50KW M578A 2015 50KB 50KW M578A BlankSize 13900x12800 50KB 50KB X578 M578B M578A M578B M578B INTO WAVE 50KB 50KW V07 C9 R2 C19 D2 C25 C26 R34 R42 ...

Page 18: ...M578A 50KW M578B 50KB PRODUCTION NOTES SEE LAYOUT DIAGRAM MODELS 50KW MODEL C 50KB MODEL D MULTI VALUE PARTS ...

Page 19: ... CHANGES 12 9 6 3 11 10 5 4 8 7 2 1 DATE MODEL S VER DESCRIPTION OF CHANGE 2 SEP 2003 08 NOV 2002 APR 2000 5 00P1 4 00 1 0P2 REV C27 MOVE F1 ROUTING DRILL HOLES CHANGED PC 6576 RESIZE TO ALLOW SHEARING PC 6346 R21 ZD4 MOVED DOWN GROUNDS UPDATED RCA JKS WIRES JMPR 10 JUL 2003 18 APR 2002 07 FEB 2001 20 APR 2000 23 NOV 2000 JAN 2000 5 00P0 2 10 3 00 1 0P3 2 00 1 P0 BEFORE ASSEMBLY NEW TAB HOLE SIZE ...

Page 20: ...4 BLACK DBL INS 50K B 50K W E X P O R T A C W IR IN G J un 27 2001 8 48 6 L O C K W A S H E R C H AS S IS 1309 4 BLACK DBL INS B LK RED RED YEL B LK E ...

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