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COMMERCIAL 70V AUDIO AMPLIFIER

SERVICE MANUAL CR670
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
TYPE: YS1009

U.S.A. Yorkville Sound Inc.
4625 Witmer Industrial Estate Niagara Falls, New York 14305 USA Voice: (716) 297-2920 Fax: (716) 297-3689

POWER CLIP /PROTECT

COMMERCIAL 70V AUDIO AMPLIFIER

POWER

Quality and Innovation Since 1963
Printed in Canada

IMPORTANT SAFETY INSTRUCTIONS

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: Attention:

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. 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.

Risque:
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.

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.

Service:
The unit should be serviced only by qualified service personnel.

Cordon d'alimentation:
Évitez d'endommager le cordon d'alimentation. N'UTILISEZ PAS L'APPAREIL si le cordon d'alimentation est endommagé.

Service:
Consultez un technicien qualifié pour l'entretien de votre appareil.
safety-4v0.pdf 04/29/03

CR670 Parts List 5/12/2003
YS # 6405 6408 6419 6425 6825 6438 6827 6733 6488 6461 6824 6465 6463 6466 5101 5102 5103 5104 5108 5109 5110 5119 6808 6809 6873 6874 6988 6991 6840 6882 6745 5190 6444 6478 5817 5203 5199 5415 5211 5816 5206 5273 5428 5209 6451 5204 6435 5224 5228 5231 5257 5259 5281 5961 5619 5630 5896 4497 4520 2417 3819 3489 3490 3601 3602 3618 3682 3385 3404 3417 3405 3416 3451 3501 3745 3645 3801 3810 8661 3426 Description RED 3MM LED 1V7 5MA BRT GRN 3MM LED 1V9 5MA FROSTED BRIDGE 35A 400V WIRE LEAD GI3504 BAV21 200V 0A25 DIODE T&R 1N4148 75V 0A45 DIODE T&R 1N4007 400V 1A0 DIODE T&R 1N5402 200V 3A0 DIODE BAT85 30V 0A2 DIODE SCHTKYT&R 1N5236BRL 7V5 0W5 ZENER 5% T&R 1N5240BRL 10V0 0W5 ZENER 5% T&R 1N5246B 16V0 0W5 ZENER 5% T&R 1N5250B 20V0 0W5 ZENER 5% T&R 1N5251BRL 22V0 0W5 ZENER 5% T&R 1N5256B 30V0 0W5 ZENER 5% T&R BC550C TO92 NPN TRAN T&R TB BC560C TO92 PNP TRAN T&R TB MPSA06 TO92 NPN TRAN T&R TA MPSA56 TO92 PNP TRAN T&R TA 2N5401 TO92 PNP TRAN T&R TA MPSA43 TO92 NPN TRAN TA MPSA93 TO92 PNP TRAN TA 2N5638 TO92 NCH JFET T&R TC MJE15032 TO220 NPN TRAN TE MJE15033 TO220 PNP TRAN TE MJE340 TO126 NPN TRAN TG MJE350 TO126 PNP TRAN TG MJL21194 TO3P NPN TRAN TK MJL21193 TO3P PNP TRAN TK MC33078P IC DUAL OP AMP TL072CP IC FET DUAL OP AMP LM13600N IC XCONDUCTANCE AMP MBS4992 TO92 8V5 DIAC T&R MAC224-4 TO220 40A TRIAC 200V AS35FN-TO92 TEMPERATURE SENSOR _15P 100V 2%CAP T&R RAD CER.2"NPO _47P 100V 2%CAP T&R RAD CER.2"NPO 100P 100V 2%CAP T&R RAD CER.2"NPO 180P 100V 2%CAP T&R RAD .2" 330P 100V 5%CAP T&R RAD CER.2"NPO 680P 100V 5%CAP T&R RAD CER.2"NPO __1N 400V 5%CAP T&R RAD .2"FLM __1N5 200V 5%CAP T&R RAD CER.2"NPO __3N3 50V 10%CAP T&R BEAD Y5R __4N7 250V 5%CAP T&R RAD .2"FLM __4N7 250V 20%CAP BLK 'Y' 10MM AC _10N 100V 10%CAP T&R RAD .2"FLM _22N 275V 20%CAP BLK 'X2' 15MM AC _47N 100V 10%CAP T&R RAD .2"FLM 100N 100V 5%CAP T&R RAD .2"FLM 220N 63V 10%CAP T&R RAD .2"FLM __2U2 63V 20%CAP T&R RAD .2"EL __4U7 63V 20%CAP T&R RAD .2"EL _10U 16V 20%CAP T&R RAD .2"NP _33U 16V 20%CAP T&R RAD .2"NP 330U 100V 20%CAP BLK 12X25MM EL 330U 25V 20%CAP BLK 10X13MM EL 4700U 80V 20%CAP BLK 25X50MM ELS _10K B LIN 9MM HORIZONTAL P29 _10K TRIM POT 6.00 AMP CIRCUIT BREAKER .250 TAB ___5UH COIL 18AWG R000 AIR CORE CLIP 250X032 18-22AWG DISCO/INSL CLIP 250X032 14-16AWG DISCO/INSL RING TERMINAL 16AWG WIRE & #8 SCREW RING TERMINAL 18AWG WIRE & #8 SCREW STAR RING TERMINAL14-16AWG #10SCREW 250 MALE PCB TAB REEL RED ON RIGHT DUAL BINDING POST TPP5 6-32 SCREW TERMINAL PC MOUNT 2 POS 6-32 SCREW TERMINAL PC MNT STRAIGHT TERMINAL STRIP 5P #6 SCREW 1/4"&XLR PCB MT VERT COMBO EYELET SMALL 0.089 OD PLATED B52200F006 COMP WASH #4 SMALL DUAL XSISTOR PBL SPRING PLATE ZN AC SOCKET RECEPTACLE WITH 0.250 TAB 5/8" BUMPER BUTTON BLACK 4" NYLON CABLE TIE BUTTON KNOB FLAT GREY 8' 3/16 SJT AC LINE CORD REMOVB-CSA Qty. YS # Description 1 3521 SIDE ENTRY PCB CONN .156 8POS 1 5989 4 CIR CABLE HOLDER .098 1 8793 4-40 HEX NUT ZINC 4 8800 6-32 KEPS NUT ZINC 31 8854 6-32 X 1/4" 0.D. HEX NUT ZINC CLEAR 6 8797 5/16-18 KEPS NUT JS500 4 3823 TO-220 THERMO PAD SMALL HOLE 4 3866 ELASTOMER PAD TSIL 3 1.2X6.0 4 3870 TO220 MICA PAD LARGE HOLE PRE-GREA 1 8581 CUSTOM PBL TRANSISTOR SPACER 6 4597 22AWG STRAN TC WIR JMP 1 4599 22AWG SOLID SC WIR T&R JMP 2 5299 24AWG SOLID SC WIR RAD JMP 2 4715 5.0W 0R20 5% BLK RES 3 2007 1/4W 1R 5%FLAME PROOF T&R RES 4 4748 2.0W 3R9 5% T&R 6 2008 1.0W 10R 5%FLAME PROOF T&R RES 6 4875 1/4W 10R 5% T&R RES 2 4816 1/4W 33R 5% T&R RES 2 2016 1/8W 39R 2%FLAME PROOF T&R RES 2 2018 1/8W 75R 2%FLAME PROOF T&R RES 5 4852 1/4W 100R 5% T&R RES 2 2023 1/8W 220R0 1%FLAME PROOF T&R RES 2 4770 1/4W 249R 1% T&R RES 1 2026 1/4W 332R0 1%FLAME PROOF T&R RES 1 4872 1/4W 390R 5% T&R RES 4 5029 1/4W 499R 1% T&R RES 4 4743 1/4W 681R0 0.1% *** T&R RES 2 4873 1/4W 680R 5% T&R RES 4 4758 1/4W 953R 1% T&R RES 1 4981 1/4W 1K 5%MINI T&R RES 2 4919 1/4W 2K05 1%-NO SUBS- T&R RES 2 4693 5.0W 2K2 5% BLK RES 2 4764 1/4W 2K740 0.1% *** T&R RES 4 4826 1/4W 3K3 5% T&R RES 2 5022 1/4W 3K57 1% T&R RES 2 5028 1/4W 3K74 1% T&R RES 2 4774 1/4W 4K12 1% T&R RES 8 4982 1/4W 4K7 5%MINI T&R RES 4 4639 1/4W 4K99 1% T&R RES 2 4685 1.0W 5K6 5% T&R RES 2 4887 1/4W 7K5 5% T&R RES 2 4787 1/4W 7K960 0.1% *** T&R RES 4 5004 1/4W 8K06 1% T&R RES 1 5027 1/4W 9K09 1% T&R RES 5 4800 1/4W 10K0 1% T&R RES 1 4829 1/4W 10K 5% T&R RES 2 4983 1/4W 10K 5%MINI T&R RES 11 4773 1/4W 12K1 1% T&R RES 1 4630 1/2W 15K 5% T&R RES 4 4830 1/4W 15K 5% T&R RES 7 4831 1/4W 18K 5% T&R RES 4 4885 1/4W 20K 5% T&R RES 4 6123 1/4W 20K0 1%MINI MF T&R RES 4 4777 1/4W 21K5 1% T&R RES 4 5003 1/4W 30K1 1% T&R RES 4 4840 1/4W 33K 5% T&R RES 2 5009 1/4W 40K2 1% T&R RES 2 4908 1/4W 45K3 1% T&R RES 1 6119 1/4W 47K 5%MINI T&R RES 2 4760 1/4W 75K 5% T&R RES 8 5007 1/4W 78K7 1% T&R RES 1 4838 1/4W 100K 5% T&R RES 1 6120 1/4W 100K 5%MINI T&R RES 1 5026 1/4W 143K 1% T&R RES 2 4839 1/4W 150K 5% T&R RES 8 6137 1/4W 200K 5%MINI T&R RES 1 6126 1/4W 220K 5%MINI T&R RES 1 4880 1/4W 680K 5% T&R RES 1 4820 1/4W 1M5 5% T&R RES 1 4845 1/4W 2M2 5% T&R RES 2 4846 1/4W 3M3 5% T&R RES 21 3565 10" 4C-28AWG RIBBON CABLE 0.1" 6 3619 4.75 8C-22AWG RIB 3/4" NOTCH 156 4 8865 4-40 X 5/16 PAN PH MS JS500 1 8741 4-40 X 1/2 PAN PH MS JS500 4 8827 4-40 X 1/2 FLAT PH TAPTITE JS500 6 8832 6-32 X 1/4 PAN PH TAPTITE JS500 1 8801 6-32 X 3/8 PAN PH TAPTITE JS500 2 8829 6-32 X 3/8 FLAT PH TAPTITE BO#4 HEA Qty. 2 2 4 12 1 1 2 2 4 4 70 89 8 8 12 2 2 6 4 2 4 2 2 4 2 2 2 2 1 4 8 6 4 4 2 7 7 2 2 8 2 1 2 6 2 4 8 4 3 7 1 2 2 1 2 2 2 5 2 12 4 1 5 4 4 1 4 1 1 2 1 2 1 2 2 2 4 1 16 29 YS # 8806 8828 8874 8911 8821 8780 3744 3741 3743 8657 8667 3436 3587 1329 Description 6-32 X 1/2 PAN PH TAPTITE JS500 6-32 X 3/4 PAN PH TAPTITE JS500 8-32 X 1" PAN PHIL TAPTITE JS500 10-16 X 1/2 TYPE B HEX W/SLOT BL 10-16 X 1 3/32 TYPE B HEX W/SLOT BL 5/16-18X3 3/4 CARRIAGE BOLT ZINC SNAP IN .375 SPACER RICHCO .5 SPACER ID-.171 OD-.25 #912-500 SNAP ON 0.5" SPACER RICHCO 6-32 X 3/8" HEX SPACER ALUMINUM SHOULDER WASHER SWS-229 LENGTH 1/8 DPDT PUSH SW PCMT H BREAK B4 MAKE DPDT ROKR SW QUIK 250"AC/PWR ON-OFF CR670 120V AC 60HZ T'RD Qty. 4 7 8 16 4 1 7 2 8 1 4 1 1 1

CW

R22 953R

4N7

SG_B

1W

0.5W

0.5W

TO AMP A

BLACK 6AMPS WHITE NEUTRAL WHITE GREEN GROUND GREEN PS1

TAB1 LIVE BLACK TAB2 CSA C25 22N CSA C26 4N7

0.5W

0.5W

4 8A

2

TAB5 PRIM BLACK

0.5W

CHSGND -69V 39R
FP

TLO72 15K R65 MJE350 Q12 HEATSINK 100n -15V C47

+.67V

TAB4 PRIM BLACK

#XXXX

TAB8 SEC RED

C34 80V 4700U

C33 80V 4700U

15K R74

15K PSGND R110

C28 25V 4U7

7 LVGND 5 U3
1/2

R35 1K R102 200K 2N5638 Q3

R36 1K

INPUT_B

5W

1N4004

1N4004

D7

D8

5W

5W

20K

D11 R71 3M3 25V D10 4U7 C35 4U7 25V C36 +15V

100K

PSGND CLIPA R99 40K2 CLIPA Q13 BC560 LVGND R82 100K R79 47K C37 10N R81 40K2 10V 1/2W D21 4148 D17 D15 4148 D26 R80 3M3 R72 680R 7 TLO72 1/2 U6 R88 5 6 R90 +15V 4148 D12 8K06 R83 3K57 C38 220N R89 78K7 143K D14 4148 R87 7K98 TO AMP B LVGND TEMPB
8 7 6 5 4 3 2 1

-69V

SG_A

R54A C4A 180P D35A

D36A

5uH

L1A

1/2W

5W

PSGND +16V_BAT

D38A D37A 10K0 R93A 2K05 R95A R94A 3K57

5W

PSGND 1N5250 20V/1/2W LVGND
(4=V-,8V+)

R84 680K 4148 D19 2 3 4148 D20

R75 C42 47K 25V 2U2 R76 100K C43 R85 25V 47K 2U2 4148 D18

TP2 75R0
FP

2W

4148

D13

MT1 Q42A

CW

R77 2M2 R78 +15V 8K06

TEMPA

1

4148 R86 7K98 LVGND

MJ15033

TO AMP B POWER AMP (NOT SHOWN)
+69V TEMPB INPUT_B SG_B SPKR-B SPKR+B CLIPA -69V CLIPA R64A 21K5 D27A PSGND

8K06 R61A

390R R63A Q29A BC550

2 D30A

4 -FLT R74A 10R

680P C20A C11A 10N SG_A Q34A MPSA43

-0.58V

5W

R81A

Q36A

R60A 10K

1/2

-0.58V

3

U5A

220R
FP

1R HEATSINK R83A 75K R98A 4K99

21193 R108A 2K2 10u 16v D45A 4004

C18A

MT2

A

MPSA56

(4=-16V_BAT,8=+16V_BAT) 33078

HEATSINK BAT85

R100A

Q40A

G

U:\CR6701V1.PRN

R6 IG
S

4K99 R1
T R

SUGGESTED GROUNDING

R2 3K74 C1 330P 3 C2 U1 2

XLR-PHONE 1/4"HALF FUNCTION JB2

+XLR

953R

C4 330P
(4=V-,8V+)

R7 30K1 C5 100N C6 100N

6 5

(4=V-,8V+)

7 U1
1/2

1
1/2

IG A_GAIN
CW

CHSGND R9 40K2

LVGND R40 +15V INPUT_A Q6 BC560 R42 1M5 C41 4N7 C20 25V 4U7 7K5 R41 R43 220K SW2
1

TLO72 R8 60K4

SG_A R3 953R

330P R4 3K74

TLO72

10K P1

TAP

33U C7

20K 1
IABC

R15 3
D

R16 R94 100n C46 200K R95 R17 200K 2N5638 Q1 1K

1K R13 249R R12 150K

SG_A C3 330P SG_A R5 4K99 R51 +15V SG_A -15V APM INPUT R24 IG
S

5

U5 1/2 LM13600 (6=V-,11=V+)

2 4 R14 249R

R96 12K1 Q15 BC560 R97 40K2

C21 100N

R46 47K D24 4148 R47 47K

TO+BP R45 47K 3K74

FROM_AMP_A YELLOW

FRONT PCB BREAKAWAY

2N5638 Q2

A
R61 15K R62 PSGND -69V
0.5W

YELLOW

1
SCREW_TERMINAL

40K2 C44 15p R10 143K 2 3
(4=V-,8V+)

100K SG_A R91 100K (6=V-,11=V+) LM13600 1/2 U5
IABC

SG_A

4148

C8 100N

D23

-15V

Q5 BC560 13
D

OUT 2 IN 3

R44 15K

4148 D1 Q16 BC550 2N5638 Q17

CLIPA

POWER
GREEN

LD2
RED

2 TO+BP RED FROM_AMP_B RED +BOUTPUT

LD1

A_CLIP

LIMITER

4K99 R20
T R

1 U3
1/2

12

15 14 R32 249R +69V R33 249R

R93 +15V 47K R92 47K

BJ2

R21 3K74 C10 330P 3 C11 2

XLR-PHONE 1/4"HALF FUNCTION JB1

+XLR

953R

C13 330P
(4=V-,8V+)

R26 30K1 1 C14 100N C15 100N

6 5

TLO72
(4=V-,8V+)

16 R49 20K 143K R11

7 U2
1/2

SG_A B_GAIN TAP 33U C16 R28 40K2

LVGND

SEPARATE BREAKAWAY

U2
1/2

TLO72 R27 60K4

SG_B

330P R23 3K74 C12 330P

TLO72

10K P2

R50 1M5

C40

R114A 5K6 HEATSINK Q44 AS35 VCC TEMP GND 10R PIN 8 U1 C6A 10N SG_A R56A 33R R57A 2K74 R66A 4N7 100K R79A 10K R67A D26A Q35A MPSA93 R84A 75K +0.60V HEATSINK Q37A D32A BAT85 1N C12A 3K57 R85A 8K06 R69A 1K R68A R90A 9K09 1K R116A Q27A MPSA06 Q32A MPSA06 2K05 R89A 10K0 R117A R91A 3K57 MJE15032 1R R103A 1R 75R0
FP

+16V_BAT R86A 10K BAV21 D34A Q25A 2N5401 10K R87A R105A 1R R88A 4K99 HEATSINK R104A Q38A HEATSINK 21194 Q39A 21194 TP1 16V 500mW D43A C14A 25V 330u D42A 4004 R109A 2K2 1N5402 D46A C17A 100V 330U #5619 PSGND +69V

SG_B R25 4K99

SG_B +69V HEATSINK -15V 39R
FP

SG_B C31 80V 4700U 1 C32 80V 4700U 15K R73

+69V .

+15V 15K R66 16V 1/2W D5 16V 1/2W D6 Q11 MJE340 C27 25V 4U7 6 C45 15p R34 143K
(4=V-,8V+)

R68

C23A 63V 4U7

30V VALUE D50A TEMPA

R115A 499R

HEATSINK TAB7 SEC RED BR1 3

3N3 C8A R80A
FP

2K74 +69V R55A +FLT 8 33078 1/2 5 U5A C21A 1N5 3K74 R53A 6 D25A 100P C9A 7 MPSA56 Q26A R65A 47K 47P C10A

330R

TEMPA
8

TAB9 MID YELLOW FET_CTRL

R70 -69V SG_B 200K R101

Q4 2N5638

7 6 5 4 3

16V SPKR-A SPKR+A

C1A 10U 3K3 R50A

12K1 R51A 4K7 R52A

TAB3

(4=-FLT,8=+FLT)

SG_B R37 C17 100N

2 1

R69

4148

MC1

16V

C3A 33U

C5A 15P 681R

R102A 7V5 1N5236 D40A R92A 100R 0R2 R106A 0R2 R107A

SPKR+A

R215A
1W

15K R67

7V5 1N5236 D41A

0R2 R112A

0R2 R113A

16V 500mW D44A

C15A 25V 330u

C16A 63V 47N R110A 3R9

10R

PSGND 1N5402 D47A Q41A 21193 33K R121A MAC224 Q43A MT2 MBS4992 R122A G MT1 10R

D29A 4K12 HEATSINK R59A C7A 63V 2u2 Q30A 22V D28A

Q33A MPSA56 750R 680P R82A C13A D33A

R111A R101A 1R

HEATSINK

1 U6 1/2 TLO72

PSGND -69V #5619 330U 100V C22A PSGND

R99A 1R 10K R96A D39A BAV21 R97A 10K

-0.85V 18K R62A

LVGND

47K R70A 33R R73A

(4=V-,8V+)

R71A 100K

LVGND

-16V_BAT MPSA06 Q31A R72A 10K

MC2 +15V TO_LVGND C30 100N C29 100N LVGND -15V SPKR-B PSGND SPKR-A B CE BC550C BC560C MPSA56 2N5401 BCE MPSA93 MPSA43 SUGGESTED GROUNDING LVGND 21194 21193 MJE15032 MJE15033 NOTES: 1. ADJUST R60A/R60B FOR 4mV BIAS ACROSS R106 AND R112 COLD. 2. Q30A&B ARE THERMALLY COUPLED TO HEAT SINK 3.

M1141.SCH_DATABASE_HISTORY
MODEL(S):# DATE
1 2 3 4 5 6 7 8 9 10 OCT/30/02 FEB/13/03 . D D D D D D D

CR670 VER# DESCRIPTION OF CHANGE
1.00 1.10 . V V V V V V V NEW PC#6587_ADD_R94,R95,R100,R102,C46 C47_TO_MUTE_FET_CIRCUIT N N N N N N N

TP

TEST POINT

4. Reference with a "A" suffix for amplifier "A" and "B" suffix for amplifier "B" AMPLIFIER A SAME AS AMPLIFIER B. 5. ALL UNMARKED DIODES IN4148

CR670
DATE: FEB/13/2003 YORKVILLE NAME: CR670 MODELS: PCB#&VER: CR670 . M1141 SHEET OF 1 SCH VERSION: TITLE: 275WATT_AMP 1.10

STYLE "P29"

CBE

EBC

EBC

00.2-1411M EDISREDLOS
C13B

00.2-1411M LTED LLIRD
R95B D37B D36B R85B R89B

MPSA06

BAT85
J31B

R111B

R83B R96B

MPSA56 680P

D33B

R82B

75R0

2K05 75K 10K
Q33B

R112B

J28B

D39B

R102B R107B D50B C23B

R101B

-15V

INPUT_A

SPKR+A

CLIPA

PSGND

TEMPA

-65V

SG_A

1R

30V

J29B

R61B

10K

2u2 63V

C7B

10K
R60B

J26B

16V

J27B

1N5402

10K R87B

R65

330u 25V

C28

J18B

15K 1/2W

C27

J8B

J7B

16V/.5W

J20B

J19B

16/.5W

1R
J24B J23B J22B J21B
J25B R99B

1R
R105B

J17B

J14B

J12B

J10B

EYE12

C33

D47B

R114B

LVGND

1/2W 15K

J13B

1R

RING_B

D43B

R100B

BIAS_ADJUST

R63B

390R

C15B

#3819
5uH
R121B

330u 25V

1N5402

Q42B

10K
J3B
D46B

R86B
1W 5K6
J9B J11B

1R

R103B

4U7 63V

63V 4U7

R66

R113B

R97B

TP2B

YELLOW

4700U 80V

FOR_APM

L2

TP1B

IG

0R2 5W

J47B R215B C14B

1WATT 10R

5W 0R2

4U7 63V

J5B

BAV21
D34B

.612"

NC1

4K99

J41 J42

+65V

R62B

18K 8K06

OUT.

R88B

+15V

R110B

7V5

J30B

D44B

16V

7V5

STRIP1

Q34B

C16B

R98B D41B

47N

D40B

J4B

0R2 5W

J48

J47

J46

J45

J44

MPSA43

BAV21

3R9 2W

R117B

R84B

75R0

0R2 5W

J43

R94B R93B

D38B R92B

100R

75K

RING_A TIP_A

2K05 3K57 10K0 4K99

4148 4148 D35B

4148 4148

1N 3K57 2K05 3K57 10K0
C12B

Q32B

BAT85

D32B Q35B J2B R106B

Q12 MJE350

MJE340

Q11

TO_POWER_AMP_A 8POS.RT.ANGLE_MOLEX

MPSA93

R91B

D45B

33K
J49B

4004

C18B

Q43B

4148

R122B

J50B

100V 330u

100V 330u

499R

R104B

D18 R76 D19 J49 J50 J51 J52 J53 J54

1R

R84

39R R68

MAC224

J46B

2K2 5WATT

MPSA56

-65V

MX1 +65V

C37 R81 10N 40K2 R78 8K06 R77 2M2

R108B

CONNECTOR1
CLIP_B D27B PSGND INPUT_B

R109B

U6

4148
C11B D26B D25B C21B

J44B

JB2

47K
4148

INPUT_A

10U 16V

2K74

R66B

10N BC550
J32B
C2B Q29B R65B R70B C9B

R52B

C8B

4148

D29B

X3

J45B

C6B

47K 47K
R90B

J33B J34B

10R

4K7

33078

10R 33R

100K

100P

J35B

4N7

R

33R

R88

10K

Q25B

47P

Q27B Q26B

R79B

U5B D30B

D28B Q37B J38B J37B

R55B C3B

Q31B

R74B

R81B

Q36B

R72B

C10B

R73B

C35

R71B

R69B

R64B

J40B

100K

J36B R80B

8K06

MPSA06

R68B

C4B

OUT

R56B

MPSA56 1K 21K5

J41B

R57B

22V
J39B

R53B

J56 J57

63V 4U7

MJE15033

MJE15032

LEADS DOWN

E

B

E

B

INPUT_B

Q13

MPSA06

MPSA56 680P

D33A

R82A R111A R83A R96A

R

R112A

Q34A R101A

C16A

R92 R91

D39A

R102A R107A D50A C23A

J60 J61

R98A D41A

CR670-POWER/INPUT

J28A

J4A

0R2 5W
D44A R62A J29A

D38A R92A

100R 3R9 2W

MPSA43

R117A

75K
R84A

BAV21

75R0

47N

0R2 5W
R88A

J62

JB1

Q33A

R94A R93A

J65

R91A

D40A

7V5

M1141

J30A

J29

VER 2.00

J5A

1R

30V

18K 8K06
R61A

10K

2u2 63V

C7A

10K TP2A
R100A R60A

R215A

J26A

1N5402

1N5402

Q42A

330u 25V

D43A

953R 330P C2 CHAN_A WIP

R22

BIAS_ADJUST

R63A

390R
J20A J22A J21A

C15A

#3819
5uH
R121A

J3A
D46A

J18A

J13A

D47A

4K99 R2 3K74 4K99 R5 200K R101 100N C17

J24A J23A

J17A

J14A

J12A

J10B

953R J25 J26

J8A

J19A

J7A

1R
J25A R99A

1R
BOT

J11A

J24

TAPER

PART#

10K

D45A

4148

33K
J49A

TLO72

R8 60K4 30K1

4004

C22A

C18A

P1

C7

MAC224
Q43A J50A

J46A

47k R46 R47 47K

16V 33U

R122A

C16

TAPER

C17A J6A

PART#

10K

Q40A

4K12
R59A Q30A

Q41A
SPKR+A SG_A

Q39A

Q38A

5WATT 2K2

2K2 5WATT

MPSA56

21193

21193

TEMPA

21194

Q44A

21194

R108A

CONNECTOR1
CLIPA D27A PSGND INPUT_A

R109A

R51 40K2 APM_INPUT
1

4K99 3K74 3K74 330P 330P C12 C10 1K R36

-65V

MX1 +65V

J18 J19

J20 60K4 30K1 J21

100N Q3 C5 C47 C6 100N C4 R20 330P 100N R102 200K 953R C11 330P J23 J22 U2 R7 R6 R25 TLO72

2N5638

R104A

P2

100V 330u

100V 330u

499R

4148
C11A D26A D25A C21A

J44A

100N C8

R34 143K

15P C45

10U 16V

2K74

R66A

10N BC550
J32A
C2A Q29A R65A R70A C9A

J15 40K2

D29A

J33A J34A

10R

4K7

33078

100K

100P

J35A

4N7

220R 680P

3N3 332R

33R

C20A

R116A

143K

R67A

9K09 1K 47P

16V 33U

R90A

C5A

1N4148

10K MPSA06 10K

Q25A

12K1 2K74 3K74
R53A

10R 33R

15P

10N

47K

R11

3K3
R51A

VER-2.00

U3 TLO72

Q27A Q26A

R79A

R9

U5A D30A

D28A Q37A J38A J37A

R55A C3A

Q31A

R74A

R81A

Q36A

R72A

C10A

R73A

J40A

100K
R71A

150K J3 15K R44 J4 J5 40K2 R94 200K R16 1K

J36A R80A

8K06
R69A

MPSA06

R68A

C4A

OUT

R56A

MPSA56 1K 21K5

J41A

J39A

R57A

22V

J1A

681R 180P

F
R54A

CR670-A M1141

J11 D1 200K

4148

4N7 C40 J66 SW2

R10

15P C44 143K R12

J13 1K

R95 R15

.5W 15K

R62

2N5638 Q2 2N5638 Q1
INPUT_B SPKR+B TEMPB PSGND CLIPA +65V SG_B

R64A

ETUOR EGAG

DUMMY

USED BY WIRING GREEN +

VR T

100V TAB2 100V C26 C25 22N 250VAC
BLK_FROM_SWITCH BLK_TO_TRANS

249R

USED BY WIRING

R13 249R R42 1M5 R40 20K0

LM13600

4N7

R50

680N

7K5 220K

VR T

C41 4N7 BC560 Q5

R97

100N C46

WHT_FROM_LINE

BLK_TO_TRANS

TAB5

TAB4

TAB1

LD1

LD2
1

TO+BP

U5

TO+BP

R41 R43

EYE6

EYE5 F

EYE1 F

R14

EYE2

4U7 25V C20

R96 12K1 40K2 R99

RED +

BC560 Q15

"006.11 X "052.31=EZIS KNALB BLANK SIZE=13.250" X 11.600"

VCD

ASSEMBLY PCB MECH

M1141-2.00 M1141-2.00
PRODUCTION NOTES
4 1/2" YEL 4 1/2" RED

8POS.RT.ANGLE_MOLEX TO_POWER_AMP_B

MODEL(S):- CR670 # DATE VER# DESCRIPTION OF CHANGE
1 2 3 4 5 6 7 8 9 10 11 JUL/18/02 NOV/04/02 FEB/19/03 . D D D D D D D 1.0P1 1.00 2.00 . V V V V V V V NEW FIRST_PRODUCTION PC#6587_ADD_R94,R95,R100,R102,C46 C47_AT_Q1,Q2,Q3,Q4 N N N N N N N

M1141.PCB_POT_LIST
MODEL(S):- CR670
REF
P1 P2 R R R R

SPACER #3741

M1141.PCB_DATA_BASE_HISTORY

1 ADJUST TRIMPOTS R60A/R60B FOR 4MV ACROSS R106A/B R112A/B 2 ADD RTV AROUND C17A/B, C22A/B

TERMINAL STRIP #3405

METAL BRACKET YSL# #8800 BRIDGE PCB ADD GOOP #8828 BEND AND CUT LEADS

FUNCTION PART# KNOB
CHAN-A/GAIN CHAN-B/GAIN F F F F #4497 #4497 P P P P NO-KNOB NO-KNOB K K K K

AS_OF
DEC/99 DEC/99 N N N N

BEND LEAD CUT LEADS

PCB BEND LEAD

P:\1141CMP.PRN

-65V

MJE15033

MJE15032

VALUE FUNCTION FROM AMP B

1M5

E

B

E

B YELLOW FROM AMP A

MC2

FUNCTION

FUNCTION

R49 20K R32 249R R33 249R

J1

ELOH/"10.0

LIMITER

J8 J7

RED SPKR+B

ETCH GUIDE. "020

"500. "800. "210.

4148

00.2-1411M

R52A

C8A

J45A

C6A

47K

1N4148 1N4148

1411M

1

1N5

C1A

R50A

100N 100N C15 C14

R23 R21

R24 4K99 C13 330P J12 R35 1K

J10

J9

9 1/2" RED

CHAN_B WIP

100K R17

R115A

40K2 R28

R27 R26

TOP

VR T

4700U C32 80V

1R

BOT

D24

16v 10u

D42A

4004

RTV

33U 16V

R37 100K 2N5638 Q4

C21 100N

10R

J16A J48A

R105A

R4

U1

R61

J9A

TOP

VR T

VR T

R114A

R45

1R

1W 5K6

R103A

R1

J27 953R 3K74

4148

330u 25V

10K

R86A

1R

10K R87A

R113A

R3

3K74 47K

J27A

R97A

C31

L2

TP1A

VR T

1WATT 10R

16V

Q6

C14A

D34A

C30 100N 100N C29 330P C1 330P C3

J28

D23

0R2 5W

OUT.

J47A

5W 0R2

4U7 63V

4K99
BAV21

J64

47K J30 BC560

SECONDARY_RED

J31 J32

16V

7V5

R110A

J63

R93

TAB8

R74

15K .5W 15K .5W

R100

4700U 80V

BR1

R106A

X1

J31A

75R0

2K05 3K57 10K0 4K99

4148 4148 D35A

4148 4148

Q35A

J2A

RS

BAT85

1N4004

2K05 75K 10K

R95A

D37A

D36A

R85A R89A

1N 3K57 2K05 3K57 10K0
C12A

Q32A

BAT85

D32A

47K 100K 2N5638 63V 4U7 BC550 Q17 C36 Q16 D8

X3

C13A

W-__CPBK

SS

D10 20V/1/2W R71 3M3 D11 4148 BC560

TS

10" GRN

FUNCTION

FUNCTION

S

X2

T

J33 J34

J1B

681R 180P

F
R54B

4148

J55

D15

J35 J36

7K96

MID_TAP_GREEN

220R 680P

3N3 332R

C20B

X1

R67B

9K09 R116B 1K

1N4148

16V 33U

C5B

RS

10K MPSA06

12K1 2K74 3K74

00.2-1411M

R51B

143K

15P

10N

3K3

VER-2.00

TO EY15 5" GRN

25V 2U2

C43

1N4148 1N4148

TS

R50B

SS

1N5

C1B

EXTRA BY-PASS R90 CAPS R83

CR670-B M1141

R86

J67 R72 EYE15 10V/.5W R85 INPUT_GND D21 PSGND R82 100K EYE16 D14 4148 R67 R87 7K96 TAB9 SECONDARY_RED .5W 20K 15K TAB7 D13 R69 4148 1N4004 D7 D12 4148 D17 4148

3M3 8K06 3K57 680R 47K

R73
15K .5W

C34

R79 D26 R80

R89

TLO72

D20

21193

Q30B

21193

TEMPB

21194

Q44B

21194

4700U 80V

S

X2

T

VR T

VR T

SPKR+B

SG_B

J6B

C17B

5WATT 2K2

R59B

680K 78K7

J37

4148

4148

Q40B

4K12

Q41B

Q39B

R115B

Q38B

100K

J38 J39

VR T

C22B

16v 10u

TIP_B

D42B

4004

RTV

10R

J16B J48B

SPKR+A

R70 C38 39R C42 220N 25V R75 2U2 47K

11 1/2" YELL

D6 D5

J40

VR T

MBS4992

AS35

2N5401 2N5401

MPSA93

MBS4992

AS35

RED