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Yorkville
SERVICE MANUAL
WORLD HEADQUARTERS CANADA Yorkville Sound
550 Granite Court Pickering, Ontario L1W-3Y8 CANADA Voice: (905) 837-8481 Fax: (905) 837-8746
U.S.A. Yorkville Sound Inc.
4625 Witmer Industrial Estate Niagara Falls, New York 14305 USA Voice: (716) 297-2920 Fax: (716) 297-3689
EP378
PROFESSIONAL BALANCED SOUND PROCESSING SYSTEM
Quality and Innovation Since 1963
Printed in Canada
Manual-Service-ep378 Oct20/2000
IMPORTANT SAFETY INSTRUCTIONS
YS No. 5990 5991 6438 6825 6822 5106 6774 6926 6840 6882 6889 5417 5413 5425 5205 5226 5228 5229 5231 5233 5234 5267 5630 4518 3489 3602 3682 3498 3414 2435 3827 8661 8706 3461 3826 5989 8800 4599 5299 4973 4896 4637 4811 4852 4855 4873 4823 4802 4808 4847 6124 4774 4639 6128 4870 4801 4810 4762 6116 4856 4901 4830 4784 4885 4832 4902 4890 4941 4840 4895 4835 4760 4838 6120 4844 3616 9005 9020 9640 8801
EP378 Parts List 9/30/98
Description GREEN 3MM LED 1V7 20MA RAD W/STOPER RED 3MM LED 1V9 20MA RAD W/STOPER 1N4004 400V 1A0 DIODE T&R 1N4148 75V 0A45 DIODE T&R 1N4745A 16V0 1W0 ZENER 5% T&R MPSA63 TO92 PNP DARLINGTONT&R BD139 TO126 NPN TRANS BD140 TO126 PNP TRANS. MC33078P IC DUAL OP AMP TL072CP IC FET DUAL OP AMP TLO74CN IC QUAD O/A TEXASI ONLY 330P 50V 10%CAP T&R BEAD NPO 390P 50V 10%CAP T&R BEAD NPO __1N8 50V 10%CAP T&R BEAD X7R _15N 100V 10%CAP T&R RADIAL.2"FILM _68N 100V 5%CAP T&R RADIAL.2"FILM 100N 100V 5%CAP T&R RADIAL.2"FILM 150N 63V 10%CAP T&R RADIAL.2"FILM 220N 63V 10%CAP T&R RADIAL.2"FILM 330N 63V 5%CAP T&R RADIAL.2"FILM 470N 63V 10%CAP T&R RADIAL.2"FILM 100U 25V 20%CAP T&R RADIAL ELE.2" 330U 25V 20%CAP RADIAL ELECT BULK _10K STEREO/LINEAR HORIZ 12MM CLIP 250X032 18-22AWG DISCO/INSL RING TERMINAL 18AWG WIRE & #8 SCREW 250 MALE PCB TAB BULK ON CATRIGE M203-02 PLAIN PC MNT JK SKT INTERNATIONAL PC MOUNT FUSEHOLDER 0.100 AMP SLO-BLO .25X1.25 FUSE SQUARE BUMPER BUTTON BLACK BUTTON KNOB FLAT GREY ROTARY KNOB BLACK W/BLUE POINTER 8? 3/18 SVT AC LINE CORD HEYCO #1150 STRAIN RELIEF 4 CIR CABLE HOLDER .098 6-32 KEPS NUT ZINC 22AWG SOLID SC WIR T&R 24AWG SOLID SC WIR RAD 1.0W 1R 5%FLAME PROOF T&R RES 1/4W 15R 5% T&R RES 1/8W 68R 5% T&R RES 1/4W 68R 5% T&R RES 1/4W 100R 5% T&R RES 1/4W 330R 5% T&R RES 1/4W 680R 5% T&R RES 1/4W 1K 5% T&R RES 1/4W 1K21 1% T&R RES 1/4W 2K 5% T&R RES 1/4W 2K2 5% T&R RES 1/4W 3K 5%MINI T&R RES 1/4W 4K12 1% T&R RES 1/4W 4K99 1% T&R RES 1/4W 4K99 1%MINI MF T&R RES 1/4W 6K2 5% T&R RES 1/4W 6K98 1% T&R RES 1/4W 9K1 5% T&R RES 1/4W 9K760 0.1% *** T&R RES 1/4W 10K0 1%MINI MF T&R RES 1/4W 12K 5% T&R RES 1/4W 13K 5% T&R RES 1/4W 15K 5% T&R RES 1/4W 17K40 0.1% *** T&R RES 1/4W 20K 5% T&R RES 1/4W 22K 5% T&R RES 1/4W 24K 5% T&R RES 1/4W 30K 5% T&R RES 1/4W 30K 5% .2"U T&R RES 1/4W 33K 5% T&R RES 1/4W 51K 5% T&R RES 1/4W 56K 5% T&R RES 1/4W 75K 5% T&R RES 1/4W 100K 5% T&R RES 1/4W 100K 5%MINI T&R RES 1/4W 1M 5% T&R RES 13" 8C-26AWG RIBBON CABLE 2.5MM 20GA COLD ROLLED STEEL 4X8? SHEET 18GA COLD ROLLED STEEL 4X8 SHEET .025" FISHPAPER ( FLAT 48" SHEETS ) 6-32 X 3/8 PAN PH TAPTITE SJ500 Qty. 1 2 4 10 2 2 1 1 2 12 2 4 12 4 12 4 24 4 8 8 4 4 2 2 2 1 2 8 2 1 3 4 2 1 1 2 1 63 2 2 2 1 11 6 12 12 2 4 6 3 4 4 4 4 4 4 2 8 30 4 2 2 2 4 2 6 1 1 2 4 2 2 5 1 4 0.5 0.7 1.741 0.52 1 YS No. 8829 8809 8905 3517 8491 3436 1242 Description 6-32 X 3/8 FLAT PH TAPTITE BO#4 HEA 10-32 X 1/4 PAN PH TAPTITE SJ500 YORKVILLE PRODUCT SCHEMATIC NYLON WASHER #8 0.062 #10 SPLIT LOCK WASHER BO DPDT PUSH SW PCMT H BREAK B4 MAKE PROCESSOR PC MOUNT CE 220/125V XFMR Qty. 14 2 1 1 2 4 1
INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS.
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER SERVICEABLE PARTS INSIDE.
INSTRUCTIONS RELATIVES AU RISQUE DE FEU, CHOC ÉLECTRIQUE, OU BLESSURES AUX PERSONNES.
AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE, N'ENLEVEZ PAS LE COUVERT (OU LE PANNEAU ARRIERE). NE CONTIENT AUCUNE PIECE REPARABLE PAR L'UTILISATEUR.
CAUTION:
AVIS:
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
CONSULTEZ UN TECHNICIEN QUALIFIE POUR L'ENTRETIENT.
Read Instructions: Packaging: Warning:
The Owner's Manual should be read and understood before operation of your unit. Please, save these instructions for future reference. Keep the box and packaging materials, in case the unit needs to be returned for service. When using electric products, basic precautions should always be followed, including the following:
Veuillez lire le manuel: Emballage: Warning:
Il contient des informations qui devraient êtres comprises avant l'opération de votre appareil. Conservez S.V.P. ces instructions pour consultations ultérieures Conservez la boite au cas ou l'appareil devait être retourner pour réparation. Attention: Lors de l'utilisation de produits électrique, assurez-vous d'adhérer à des précautions de bases incluant celle qui suivent:
Power Sources:
Your unit should be connected to a power source only of the voltage specified in the owners manual or as marked on the unit. This unit has a polarized plug. Do not use with an extension cord or receptacle unless the plug can be fully inserted. Precautions should be taken so that the grounding scheme on the unit is not defeated.
Alimentation:
Hazards:
Do not place this product on an unstable cart, stand, tripod, bracket or table. The product may fall, causing serious personal injury and serious damage to the product. Use only with cart, stand, tripod, bracket, or table recommended by the manufacturer or sold with the product. Follow the manufacturer's instructions when installing the product and use mounting accessories recommended by the manufacturer. The apparatus should not be exposed to dripping or splashing water; no objects filled with liquids should be placed on the apparatus. Terminals marked with the "lightning bolt" are hazardous live; the external wiring connected to these terminals require installation by an instructed person or the use of ready made leads or cords. No naked flame sources, such as lighted candles, should be placed on the apparatus.
L'appareil ne doit être branché qu'à une source d'alimentation correspondant au voltage spécifié dans le manuel ou tel qu'indiqué sur l'appareil. Cet appareil est équipé d'une prise d'alimentation polarisée. Ne pas utiliser cet appareil avec un cordon de raccordement à moins qu'il soit possible d'insérer complètement les trois lames. Des précautions doivent êtres prises afin d'eviter que le système de mise à la terre de l'appareil ne soit désengagé.
Hazard:
Power Cord:
The AC supply cord should be routed so that it is unlikely that it will be damaged. If the AC supply cord is damaged DO NOT OPERATE THE UNIT.
Ne pas placer cet appareil sur un chariot, un support, un trépied ou une table instables. L'appareil pourrait tomber et blesser quelqu'un ou subir des dommages importants. Utiliser seulement un chariot, un support, un trépied ou une table recommandés par le fabricant ou vendus avec le produit. Suivre les instructions du fabricant pour installer l'appareil et utiliser les accessoires recommandés par le fabricant. Il convient de ne pas placer sur l'appareil de sources de flammes nues, telles que des bougies allumées. L'appeil ne doit pas être exposé à des égouttements d'eau ou des éclaboussures et qu'aucun objet rempli de liquide tel que des vases ne doit être placé sur l'appareil. 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 par un opérateur formé ou en utilisant des cordons déjà préparés.
Service:
Cordon d'alimentation: Service:
The unit should be serviced only by qualified service personnel.
Évitez d'endommager le cordon d'alimentation. N'UTILISEZ PAS L'APPAREIL si le cordon d'alimentation est endommagé. Consultez un technicien qualifié pour l'entretien de votre appareil.
SAFE_V4.doc Version 4.0 02/11/99 11:54 AM
4148
4148
D6A
6 22N C42A GND 22N C44A GND
20K R50A GND 10K R56 220N C54 330N C55 12 24K 13 R57 TLO74
1/4
D5A
4K12
FREQ. 10K CW D A P1A
12K
1/2 TLO72
4K12
FREQ. 10K CW D A P1A
U:\M560 1.PRN
22K 10K0 R12A TLO72
1/2
R32A 4K99 6K98 R13A 7 5 6 9K1 R14A 6K2 R15A TLO72
1/2
HIGH PASS
3
R28A 4K99 2 1 3 U2A
1/2
1K21/1% IG JB1A 1 CH1
S
9K76/0.1% R3A 390p 2
9K76/0.1% R5A 1 3 U1A
1/2
GND 4K990 R9A
5 15N C3A 6
U1A
U2A
PLAY_BACK/VOICE
IN OUT
7
2 1
15N C6A R27A
1N8 C8A 100K R22A -V
RED
24K R30A 6 7 5 1 75K R24A GND U4A
1/2
680R R37A 10K0 10K0 R34A 2 3 R35A 1 U4A
1/2
HORN CH1_OUTPUT 6
T
330R 15n C17A R38A 100R R39A 330R R40A 68R R41A 68R R42A 680R R43A IG
4
R
2
S
R1A
17K40_0.1% R11A 15N C4A 4K990 R10A
S2 33K R7A 13K R20A GND
TLO72
51K R31A 6K98 R21A R18A GND
1N8 C10A
2 3 U3A
1/2
3
R
5
T
C1A 390p R2A 1K21/1% IG C2A R4A 9K76/0.1%
TLO72 10K0 R33A GND
5
3
1 JB2A
TLO72 10K0 R36A
TLO72 R6A 9K76/0.1%
33078
INPUT 2
4
6
GND BAND-PASS CENTERED AT 2KHZ
GND
LD2A GND 1K GND CLIP CIRCUIT
IG
GND GND 4148 D7A 100K R16A 15K
390p C16A C12A 330P 100K 6 7 56K R26A 5 U8A
1/2
**NOTE** ONLY CHAN A IS SHOWN CHAN B IS IDENTICAL ACCEPT OP-AMP PINS REVERSED.
MPSA63 Q1A 4148 D3A GND
3.5K AND 16K NOTCHES 390p C9A
GND
TLO72
R17A D4A 4148
R25A 51K
C11A 330P 6K2 R29A
6 5
R23A 7 U3A
1/2
GND 680R R71A 10K0 10K0 2 3 R66A 1 10K0 U8A
1/2
33078
100N C41A LOW PASS 2K R45A 3K R46A 3 2 TLO72
1/2
100N C43A
3K R49A 3K TLO74
1/4
330R 15n C58A R67A 100R R68A 68R R74A
6
T
4
R
2 MID/FULL_RANGE
S
GND TLO74
1/4
GND
R65A
CH1_OUTPUT
LOW PASS 2K 1 R47A 3K R48A 5 TLO72
1/2
3 IN 2 OUT 1
220N C45A
HIGH PASS 150N C46A 220N 1 C47A 150N C48A 3 2
R52A HIGH PASS
5
3
1 JB3A
R64A 7
TLO72 IG 10K0 R69A 390p C60A GND 330R R70A 68R R73A 680R R72A IG
U6A
U5A
U5A
S1 7
FULL_RANGE/BI_AMP
5 20K R51A 6
U6A
GND
SUB_IN
GND
3 IN 2 OUT 1
S3A 680R
10K 220N 14 C49A 330N C50A 24K R54A R53A TLO74
1/4
U6A
FULL_RANGE
8 R84A 2K 10K0 HP WITH 6dB BOOST AT 35Hz R93A 10K0 10K0 R94A 2 C35A 470N
(4=V-,8V+)
R98A 330R 15n 7 5 U11A
1/2
SUBWOOFER CH1_OUTPUT 6
T
10 9
U6A
4
R
2
S
6
R97A
R99A 100R R100A 68R R101A
C39A
5
3
1 JB4A IG
LOW PASS C21A 330N R78A R79A 2 3
(4=V-,8V+)
GND HIGH PASS WITH LOW Q AT LOW CUT-OFF C33A 330N LOW PASS R81A R82A 12K 6 5
(4=V-,8V+)
TLO72 10K0 330R R96A 68R R102A 680R R103A IG
GND
1 3 U10A 1/2 TLO72 GND 390p C40A 30K R85A GND
R95A
1 U9A
7 U9A 1/2 TLO72 1W 1R R6 C5 25V 100uF
C34A 470N
VARIABLE LOWPASS FILTER
1M
R80A C20A 68N
VARIABLE LOWPASS FILTER 1M
R83A C32A 68N +15V
GND +V 0.1A D1 1N4004 A
2
XF1
15R R2 2K2 R3 C1 25V 100uF 16V 1W ZD1 16V 1W ZD2 C3 25V 330U GND C2 25V 100uF R5 2K2 R4 15R C4 25V 330U Q1 BD139
+15V
GND GND BYPASS CAPS ARE CONNECTED ACROSS I.C SUPPLIES. 100n C22A 100n C24A 100n C26A 100n C28A 100n C30A GND 100n C23A 100n C25A 100n C27A 100n C29A 100n C31A 100n C22B 100n C24B 100n C28B 100n C30B 100n C23B 100n C25B 100n C27B 100n C29B C26B 100n GND GND
8
1N4004 GND D2 1N4004 D3 D4 1N4004
V+
V- V+
V-
C6 25V 100uF
R1 2K2 LD1
GREEN
TRANSFORMER #1238 PC MOUNT 220VAC OPERATION D = AC NEUTRAL B + C ARE JOINED A = AC LINE TRANSFORMER #1238 PC MOUNT 120VAC OPERATION B + D TO AC NEUTRAL A + C TO AC LINE
F1
B1 C4
3
7 5
D
XF1 60HZ #1242 120VAC
BD140 Q2
-15V
R7 -15V 1R 1W -V
NOTE: ALL UNMARKED DIODES ARE IN4148 ALL SWITCHES ARE MAKE BEFORE BREAK, #3436
DATE: JUNE/01/98 YORKVILLE NAME: ELITE.SCH MODELS: PCB#&VER: ELITE_PROCESSOR_EP378 M560_V1.00 SCH ISSUE: TITLE: ELITE P1
SHEAR
R95A
10K0
R96A R99A R98A R84A R97A R100A
R101A
C39A D5A R94A C40A
M560 EP378
15n
VER.1.00
100n 100n
C27A C49A C50A
U11A
R93A
R102A
10K0 10K0 100R 2K 680R 330R 330R 68R 68R
4148
390P 10K0
SUBA_OUTPUT TL072 220N
C55 J1A
330N 330N
R53A
C26A
C34A
680R
C54 R103A R79A R82A R56
470N 30K 220N 10K
R57 R54A C32A C44A R85A C35A
470N
JB4A
WIPA
12K
R48A C43A
BOTA
68N 3K
100N
22N
BOTB
#4518
C33A
1A
WIPB
330N 12K 4K12
R81A
10K/STEREO 10K 24K 24K
J7A
TOPB TOPA
P1A
J6A
VCD
330N
J2A J3A J4A J8A
TL072 1M 2K
U6A U5A
TL072
TL074
U9A (4=V-,8V+)
R72A R45A
S3A
C21A R47A C42A
#3436 BRIDGE
R46A
68N
R83A
R51A R50A C46A
JB3A
C20A C45A
20K 20K 220N 3K
R49A C47A D7A
22N
680R 2K 3K
R78A C41A R80A
4K12
1M
150N
3K
C48A
R52A
100N
R65A J11A
220N
150N
C28A
4148
100n
C29A D6A
WOOFERA_OUTPUT
J26A J12A
10K0 680R TL072
R64A
R71A
4148
J10A
100n
J9A J27A R16A
10K0
68R
U8A R73A R74A
100K
68R
R66A
100n 100n 390P
C60
D
C25A C24A
R69A
R17A
10K0 15n
C58A
15K
Q1A C9A R34A
R68A R67A
10K0 100R 330R 330R
R70A U4A
1K
R18A
MPSA63
R30A R32A D3A
HORNA_OUTPUT TL072
R41A C17A
390P 24K 10K0 22K
J17A R35A
4148 4148
D4A J13A J14A C11A
68R
R42A
15n
R39A R33A C16A
JB2A 68R 680R
R43A R38A R37A R40A
10K0 10K0 390P 10K0 100R 330R 680R 330R
R36A
330P 330P 75K 56K
C12A
51K 6K2
51K 6K98
JB1A 100n
C31A
100K
J18A R23A R31A R29A R25A R21A
JB4
U1A
R10A
R24A
R26A C3A
4K990 17K40
R11A
U3A
15N 15N TL072
R2A J21A
33078
C4A J19A
J15A
R22A
100K
C10A
CHANNELA_INPUT 390P
J22B R1A R3A
1N8 1N8
R13A C30A
R 100n R9A
R6A R4A
CLIP_B RED
LD2B
R12A
C8A J25A R15A R14A R5A C2A R7A
9K760 1K21 9K760
390P 9K760 9K760
1K21
J22A C1A
6K98 4K990 10K0 6K2 9K1
U2A
LD2A
C22A
33K
J23A
C23A
CLIP_A RED
100n
TL072 390P DNS
R19A C5A
R28A
R 100n 15N PLAY/LIVE S2
J24A J30B J1 J33A -V +V
#3436
C6A
R27A
4K99 4K99 13K
R20A
2K2
GND
J6
J5
J34B
S1
R1B
C1B
#3436 1K21
FULLRANGE/BI-AMP
R7B
C5B
C6B
R27B
1
FUNCTION PART#
15N DNS 33K
J23B R19B U2B
4K99 4K99
R28B
J4
TL072
R14B R15B
GND
POWER GREEN
13K
R20B R31B
G LD1 1K21
R3B
9K760
390P 9K760 9K760 9K760
100n JB1B
C30B
R12B R9B R21B J19B R2B C2B R5B R4B R6B R13B C10B
9K1 6K2 10K0 4K990 6K98 JB4 1N8
C4B U1B J29B J21B C8B R24B R26B
51K 6K98
J16B J31B J3
1N8 TL072 100K 15N 15N
C3B R11B R10B C31B R40B R33B C16B R22B C23B J15B
J32B C22B
100n 17K40 4K990 100n
R43B R37B R38B
100n 33078
U3B R29B
J2
PART#
100K
CHANNELB_INPUT 680R 68R JB2B
R42B
R36B R35B J17B R39B R30B
56K 75K
FUNCTION
C11B R23B
6K2 51K
R25B J13B C12B J14B
1
330P 330P 22K 68R
R41B R32B C9B D3B
330R 680R 330R 100R 15n
C17B
390P 10K0 10K0 10K0
MPSA63
Q1B
1K
R18B
390P 24K 10K0 TL072
U4B R34B D4B C50B C55 C49B
4148 4148
330N 330N
R70B C58B
220N 220N 10K 100n 100n 15n
R67B R68B R53B R57 C24B C25B R66B R73B R74B R71B R65B R54B U6B
15K 100K
R56 C54 R16B
R17B
4148
D7B
2K 10K 24K 24K 10K0
U8B R69B C60 J7B J8B C41B
R45B C42B
HORNB_OUTPUT 680R
R72B
100N 3K
R47B
330R 330R 100R 10K0
22N
R46B
390P 10K0 TL072 10K0 680R 68R 68R
R78B R51B R64B J6B J5B J10B J11B C46B R52B J4B
TL074
J12B
2K
TL072 20K
R50B J9B
3K 3K 4K12
4148
D6B
R48B
U5B
20K 3K
R49B C44B C45B
100N
C43B C28B
WOOFERB_OUTPUT JB3B #3436
C21B
WIPA
150N
C20B C48B
220N 68N
R79B
22N
C47B
100n
C29B
100n 12K
R80B
150N
220N
J7
1M
J3B C26B
J2B
100n
4148
BRIDGE S3B P1B JB4B SUBB_OUTPUT
"020. "210. "800. "500. 1A
TL072
U9B
C27B
D5B
C33B (4=V-,8V+)
100n
330N
4K12
R81B R82B
BOTA WIPB
330N
C34B
1M
R83B
R7 1R 1WATT
1WATT 1R R6
C32B
470N 12K
BOTB TOPB
470N
R84B #4518 C39B C35B
68N 2K
R93B
C5 100uF 25V
C6 100uF 25V
30K
ZD1
ZD2
10K/STEREO
R85B U11B
C40B
15n
METAL
METAL
TOPA
16V
J1B R100B
16V
390P 10K0 TL072 680R
R103B R94B
10K0 10K0R97B 680RR98B 330RR99B 100R 68R 68R
R101B R102B
Q2
C2 100uF 25V
330U 25V
Q1
BD139 330R
R96B
BD140 10K0
R95B
C4 R4 330U 25V
100uF C1 25V C3 R3 2K2 15R R2 1N4004 D3 D4
1N4004
R5 2K2 15R
J8 J9
D1 D2
5
XF1 CUT J10 FOR N.A. CUT J11 & J12 FOR EUROPEAN. TAB2 NEUTRAL/WHITE J12 TAB1 CE-T0.1A/230Vac CSA-0.1ASB/120Vac F1 J11 J10
6
7
8
1N4004 1N4004
120VAC
GUIDE ETCH
ASSEMBLY PCB MECH
LINE/BLACK
60HZ XXVA
1
2
3
4
M560-1.00 M560-1.00
SHEAR
00.1-065M EDISREDLOS