service manual manual-service-sr300-1v2 · u.s.a. yorkville sound inc. 4625 witmer industrial...
TRANSCRIPT
U.S.A.
Yorkville Sound Inc.4625 Witmer Industrial Estate
Niagara Falls, New York14305 USA
Voice: (716) 297-2920Fax: (716) 297-3689
WORLD HEADQUARTERS
WEB ACCESS: http://www.yorkville.com
CANADA
Yorkville Sound550 Granite CourtPickering, Ontario
L1W-3Y8 CANADA
Voice: (905) 837-8481Fax: (905) 837-8746
Quality and Innovation Since 1963Printed in Canada
SERVICE MANUAL
IMPORTANT SAFETY INSTRUCTIONS
safety-4v3.eps • Oct. 26/05
CAUTION:TO REDUCE THE RISK OF ELECTRIC SHOCK, DO
NOT REMOVE COVER (OR BACK).
NO USER SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIEDSERVICE PERSONNEL.
INSTRUCTIONS PERTAINING TO ARISK OF FIRE, ELECTRIC SHOCK,
OR INJURY TO PERSONS
Read InstructionsThe Owner’s Manualshould be read and understood before operation of your unit. Please, save these instruc-tions for future reference.PackagingKeep the box and packaging materials, in case the unit needs to be returned for service.WarningWhen using electric products, basic precautions should always be followed, including the following:
Power SourcesYour 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.
HazardsDo 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.
Ensure that proper ventilation is provided around the appliance.
No naked flame sources, such as lighted candles, should be placed on the apparatus.
Power CordThe 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.
ServiceThe unit should be serviced only by qualified service personnel.
AVIS:AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE,
N’ENLEVEZ PAS LE COUVERT (OU LE PANNEAU ARRIERE)
NE CONTIENT AUCUNE PIECEREPARABLE PAR L’UTILISATEUR.
CONSULTEZ UN TECHNICIEN QUALIFIEPOUR L’ENTRETIENT
INSTRUCTIONS RELATIVES AU RISQUEDE FEU, CHOC ÉLECTRIQUE, OUBLESSURES AUX PERSONNES
Veuillez Lire le ManuelIl contient des informations qui devraient êtres comprises avant l’opération de votre appareil. Conservez S.V.P. ces instructions pour consultations ultérieures.EmballageConservez 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:
AlimentationL’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.
RisqueNe 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.
Assurez que lappareil est fourni de la propre ventilation.
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.
Cordon d’AlimentationÉvitez d’endommager le cordon d’alimentation. N’UTILISEZ PAS L’APPAREIL si le cordon d’alimentation est endommagé.
ServiceConsultez un technicien qualifié pour l’entretien de votre appareil.
SR-300YS No. Description Qty. YS No. Description Qty.
3747 CUSTOM .5 LED SPACER BLACK 7 4597 22AWG STRAN TC WIR JMP 116405 RED 3MM LED 1V7 5MA BRT 2 5299 24AWG SOLID SC WIR RAD JMP 76400 YEL 3MM LED 1V9 6MA HIGHEFF 2 4749 5.0W 0R15 5% BLK RES 46401 GRN 3MM LED 1V9 6MA HIGHEFF 3 4748 2.0W 3R9 5% T&R 26825 1N4148 75V 0A45 DIODE T&R 41 2008 1.0W 10R 5%FLAME PROOF T&R RES 26438 1N4004 400V 1A0 DIODE T&R 2 4605 1/8W 10R 5% T&R RES 46827 1N5402 200V 3A0 DIODE 4 2014 1/8W 33R 2%FLAME PROOF T&R RES 66434 6A2 200V 6A0 DIODE 4 4604 1/4W 33R2 1% T&R RES 46733 BAT85 30V 0A2 DIODE SCHTKYT&R 4 4811 1/4W 68R 5% T&R RES 26461 1N5240BRL 10V0 0W5 ZENER 5% T&R 2 4735 1.0W 100R 5% T&R RES 26824 1N5246B 16V0 0W5 ZENER 5% T&R 6 4852 1/4W 100R 5% T&R RES 16463 1N5251BRL 22V0 0W5 ZENER 5% T&R 1 4921 1/4W 100R 5% .2"U T&R RES 15101 BC550C TO92 NPN TRAN T&R TB 8 4897 1/4W 120R 5% T&R RES 25102 BC560C TO92 PNP TRAN T&R TB 11 2020 1/8W 150R 2%FLAME PROOF T&R RES 45103 MPSA06 TO92 NPN TRAN T&R TA 2 4986 1/4W 270R 5%MINI T&R RES 25104 MPSA56 TO92 PNP TRAN T&R TA 2 2025 1/8W 274R 1%FLAME PROOF T&R RES 46780 MPSA56 TO92 PNP TRAN TA 2 4950 1/4W 390R 5% .2"U T&R RES 65119 2N5638 TO92 NCH JFET T&R TC 2 4821 1/4W 470R 5% T&R RES 36810 MJF15030 T221D NPN TRAN TJ 2 2030 1/8W 681R 1%FLAME PROOF T&R RES 26811 MJF15031 T221D PNP TRAN TJ 2 4869 1/4W 750R 5% T&R RES 26814 MJF6668 T221D PNP TRAN DARL TJ 1 4758 1/4W 953R 1% T&R RES 66815 MJF6388 T221D NPN TRAN DARL TJ 1 4823 1/4W 1K 5% T&R RES 46988 MJL21194 TO3P NPN TRAN TK 2 4981 1/4W 1K 5%MINI T&R RES 26991 MJL21193 TO3P PNP TRAN TK 2 4824 1/4W 1K5 5% T&R RES 26840 MC33078P IC DUAL OP AMP 2 4988 1/4W 1K5 5%MINI T&R RES 16882 TL072CP IC FET DUAL OP AMP 5 4808 1/4W 2K 5% T&R RES 26884 NE5532N IC DUAL OP AMP 1 4705 2.0W 2K2 5% BLK RES 46745 LM13600N IC XCONDUCTANCE AMP 1 4847 1/4W 2K2 5% T&R RES 16880 4N35 OPTO-COUPLER 2 6124 1/4W 3K 5%MINI T&R RES 26467 10K 10% THERMISTOR NTC TO-92 2 4992 1/4W 3K16 1% T&R RES 45200 _10P 200V 5%CAP T&R RAD CER.2"NPO 2 4756 1/4W 4K120 0.1% *** T&R RES 25406 _33P 50V 10%CAP BLK BEAD NPO 2 4943 1/4W 4K7 5% .2"U T&R RES 25410 100P 100V 10%CAP T&R BEAD NPO 2 6121 1/4W 6K98 1%MINI MF T&R RES 25416 470P 50V 10%CAP T&R BEAD NPO 2 4787 1/4W 7K960 0.1% *** T&R RES 25206 __1N 400V 5%CAP T&R RAD .2"FLM 4 4762 1/4W 9K760 0.1% *** T&R RES 85422 __1N 50V 10%CAP T&R BEAD NPO 2 4829 1/4W 10K 5% T&R RES 25423 __1N2 50V 10%CAP T&R BEAD X7R 2 4940 1/4W 10K 5% .2"U T&R RES 86451 __4N7 250V 20%CAP BLK 'Y' 10MM AC 1 4983 1/4W 10K 5%MINI T&R RES 35204 _10N 100V 10%CAP T&R RAD .2"FLM 4 4856 1/4W 12K 5% T&R RES 26435 _22N 275V 20%CAP BLK 'X2' 15MM AC 1 4953 1/4W 12K 5% .2"U T&R RES 25224 _47N 100V 10%CAP T&R RAD .2"FLM 2 4830 1/4W 15K 5% T&R RES 25227 _82N 100V 5%CAP T&R RAD .2"FLM 2 4954 1/4W 18K 5% .2"U T&R RES 25228 100N 100V 5%CAP T&R RAD .2"FLM 16 6123 1/4W 20K0 1%MINI MF T&R RES 105314 100N 50V 10%CAP T&R BEAD X7R 2 4833 1/4W 27K 5% T&R RES 35231 220N 63V 10%CAP T&R RAD .2"FLM 6 4956 1/4W 27K 5% .2"U T&R RES 15255 __1U 63V 20%CAP T&R RAD .2"EL 1 6122 1/4W 33K 5%MINI T&R RES 25257 __2U2 63V 20%CAP T&R RAD .2"EL 3 4794 1/4W 37K90 0.1% *** T&R RES 25281 _10U 16V 20%CAP T&R RAD .2"NP 4 4878 1/4W 43K 5% T&R RES 25260 _22U 50V 20%CAP T&R RAD .2"EL 1 4834 1/4W 47K 5% T&R RES 25961 _33U 16V 20%CAP T&R RAD .2"NP 6 4761 1/4W 60K4 1% T&R RES 25267 100U 25V 20%CAP T&R RAD .2"EL 4 4898 1/4W 91K 5% T&R RES 45630 330U 25V 20%CAP BLK 10X13MM EL 4 4942 1/4W 100K 5% .2"U T&R RES 25869 4700U 63V 20%CAP BLK 25X40MM ELS 2 6120 1/4W 100K 5%MINI T&R RES 64390 _10K AUD 16MM DETENT P22 2 4991 1/4W 133K 1%MINI T&R RES 24522 __4K7 TRIM POT 2 4796 1/4W 180K 5%MINI T&R RES 2
714 1.5 MIL X 36" CLEAR POLY SHEETING 4 4841 1/4W 220K 5% T&R RES 23819 ___5UH COIL 18AWG R000 AIR CORE 2 6135 1/4W 270K 5%MINI T&R RES 23489 CLIP 250X032 18-22AWG DISCO/INSL 3 4880 1/4W 680K 5% T&R RES 23491 CLIP 205/187X020 18-22AWG DISCO/INS 1 4845 1/4W 2M2 5% T&R RES 13682 250 MALE PCB TAB BULK CARTRIGE 7 4809 1/4W 10M 5% T&R RES 23452 BND POST PCB MT HORZ QUAD ASSEMBLY 1 4751 1/4W 22M 5% T&R RES 23498 1/4" JCK PCB MT HORZ 2 3690 _8" 4C-28AWG RIB 1 W/LCK HDR 098 23528 1/4" JCK PCB MT HORZ GOLD TR_ 2 3574 _9" 5C-22AWG RIBBON CABLE 0.1" 23451 EYELET SMALL 0.089 OD PLATED 5 3603 16" 13C-24AWG RIBBON CABLE 0.1" 13412 LOWPROFILE FUSEHOLDER 1/4" LITTLEFS 1 8870 #4 X 1/4 PAN PH TYPE A ZINC 23414 INTERNATIONAL PC MOUNT FUSEHOLDER 4 8865 4-40 X 5/16 PAN PH MS JS500 42427 5.0 AMP SLO-BLO .25X1.25 FUSE 1 8861 4-40 X 3/8 PAN PH MS JS500 22405 10.0 AMP SLO-BLO .25X1.25 FUSE 2 8801 6-32 X 3/8 PAN PH TAPTITE JS500 28434 AP SERIES PLASTIC HANDLE PAIR 2 8829 6-32 X 3/8 FLAT PH TAPTITE BO#4 HEA 223501 B52200F006 COMP WASH #4 SMALL 2 8824 8-32 X 5/16 PAN QUAD TAPTITE JS500 143745 DUAL XSISTOR PBL SPRING PLATE ZN 2 8869 8-18 X 1/2 THRD CUTTING FOR PLASTIC 43885 XSISTOR SPRING CLIP TO-220 4 8999 8-32 X 5/8 PAN PH TAPTITE JS500 73795 #8 GROUND LUG ZIERICK 505-169 1 8765 1/4-20 X 2 1/2 HEX HD MS JS500 BLK 13810 4" NYLON CABLE TIE 4 8607 3/16 NYLON SPACER OD 1/8 X ID .063 183827 SQUARE BUMPER BUTTON BLACK 5 3744 SNAP IN .375 SPACER RICHCO 58433 AP SERIES PLASTIC KNOB 2 8818 3/4 OD X 5/16 ID X .08 THICK WASHER 28661 BUTTON KNOB FLAT GREY 2 3511 #6 FLAT WASHER NYLON 23484 8' 3/18 SJT AC LINE CORD 250WH187BL 1 8850 #10 INT TOOTH LOCKWASHER BO 43834 HEYCO #1214 STRAIN RELIEF 1 3436 DPDT PUSH SW PCMT H BREAK B4 MAKE 23593 PCB CONN 90 5 CIR .156 2 3587 DPDT ROKR SW QUIK 250"AC/PWR ON-OFF 13654 PCB CONN 4 CIR .100 LOCKING 2 1248 SR-300 POWER TRANSFORMER T'RD 13655 13 CIR CABLE HOLDER .098 25989 4 CIR CABLE HOLDER .098 28793 4-40 HEX NUT ZINC 28800 6-32 KEPS NUT ZINC 28788 1/4-20 KEPS NUT ZINC 13830 TO218 PREGREASED MICA 56-78-2AP 4
YORKVILLE NAME: PCB#&VER:
MODELS: SCH ISSUE:
TITLE:
DATE:
M1085
SR-300
M1085AMP.SCH
APR/30/2003
AMPLIFIER_150W
1.80
MJE15030Q8L
2u263V
C3L
1n2C12L
MJ15031Q10L
MJL21193
Q9L
MJL21194Q11L
33R
R29L
1nC11L
100KR5L
100KR6L
SRT USE
GOLD120R
R19L
390RR43L
3R92W
R38LHEAT
SINK
HEAT
SINK
16V1N5246A
D8L
D30L
BC560Q6L
16V1N5246A
D9L
D16L
270KR50L
270RR14L
D15L
D2L
A
C
NCE
C
B
4N35
U2L
1
2
34
5
6
0R15
5WR31L
0R15
5WR33L
1/2
33078
U1L
6
57
20KR12L
D13L
D1L
MPSA56Q5L
D14L
68R
R36L
100pC9L
1N5402D11L
1N5402
D12L390R
R13L
D17L
56KR8AL
100nC4L
100nC5L
MPSA06Q4L
750RR15L BAT85
D3L
1
5uHL1L
1
220n
C8L
5
BC560Q1L
33pFC2L
1/2
33078
U1L
2
31
7K96
R3L
681R
R4L
4K12
R1L
252423222120191817161514131211
10987654321# DESCRIPTION OF CHANGEVER#DATEMODEL(S):-
APR/30/03SEP/30/02OCT/08/99.APR/27/99MAR/30/99DEC/08/95NOV/24/95.JUL/12/95 V
1.801.701.60.1.501.401.301.20. N
ADD_R8AL_FOR_BIAS_ADJUSTMENTCORRECTION_R27L/R28L->1/8W-FLM-PRFHEATSINK_SYMBOL_ADDEDR51L,Q15L,D30LPC#5890_RT1L_100K->10K_ADD_R50L,R11L_15K->12KPC#4971.
SR-300M1085PA.SCH_DATABASE_HISTORY
10R1W
R37L
3K16R25L
3K16R26L
33R2R21L
274RR20L
274RR23L
33R2R24L
10KRT1L
BC550Q7L
6K98R18L
D5L
D6L
BC550Q2L
330u25V
C6L
100u25V
C7L
2K22W
R30L
2K22W
R35L
D7L
D10L
BAT85
D4LMPSA56
Q3L
390RR10L
10KR8L
12KR11L
33u16VC1L
CW4K7
AR9L
10R
R46L
D26L
D27L
CSA4n7
2
CSA22n
T2.5
A
13A/85C
T10A
CSA4n7
C1
EY1
TB7
TB5
TB6
TB3
TB2
TB4
TB1
T10A
63V2u2
C6D72M2
R3
63V1uC5 10K
R2
22VZ5251B
ZD1
CSA22n
C2
5A-S
B
F1
13A/85CBR1
S1
10A-SBF3
10A-SB
F2
IN4004
D6
2K2
R1
50Hz370VA
#1248E
C4
63V4700u
37K9
R2L
PX6A02
D3PX6A02
D4
MJF6668MJF6388
ECB
MPSA06
E B C
MPSA56
3
D S G
2N5638BC550C
C B E
BC560C
10K
R42L
D25L
MJL21194MJL21193
ECB TP
B C E
MJE15031MJE15030
4
C3
63V4700u
3
PX6A02
D1
2
330u25V
C23L
IN4004
D5
60Hz370VA
#1248
T1
PX6A02
D2
33R
R44L
10R
R47L
33R
R45L
10N
C10L
33KR51L
BC550Q15L
10N
C13L
HEATSINK
HEATSINK
HEATSINK
HEATSINK
1/8W
150R-FP
R27L
1/8W
150R-FP
R28L
CLP2
GNDGND
GND
GND GND
GND
KIL
+16V_BAT
+16V_BAT
-16V_BAT
O/PO/P
-55V
-55V
-55V
+55V
+55V
+55V
+55V
AMP-IN
AGND
AGNDAGND
AGNDAGND
CIRCUIT WITHIN BOX IS NOTON POWER AMP BOARD
REMOVE R8AL AS REQUIRED TO ADJUST BIAS
ADDED BATTERY BYPASS CIRCUIT
PIN 8 U1
ADDED O/P JACKS CORRECTED I/P WIRES
1.10D27L, R43L. R19L FROM 510R TO 120R
PC#4850/4851 REMOVE R7L, C13L ADD D26L
1. ADJUST R9 ACCROSS TP1&TP2 FOR 4.5 mV BIAS
N.A. VERSION
EXPORT VERSION
230V A.C 50HZ LINE
BLUEGRN/YELBROWN
-21V -18V
ENCLOSE CIRCUITRY IS OFF-PCB.
ENCLOSE CIRCUITRY IS OFF-PCB.
CHAS
SIS
CHAS
SIS
120V A.C 60HZ LINEGREEN WHITEBLACK
GAIN = 6
5. ALL UNMARKED DIODES IN4148
will have a "R" suffix for4. Reference with a "L" suffix
3.
0.1%
0.1%
0.1%
0.1%
MX2L
MX1L
4V RMS
the right channel amplifier.
TEST POINT
HEAT SINK2. Q3 IS THERMALLY COUPLED TO
NOTES:
-0.58V
INPUT
150 WATTS @ 4R25.4VRMS
+0.60V
-0.58V
-0.85V
+.67
V
CONNECT TO M1085
AMP-REF.
CLP1
PREAMP PCB
4321
4
8
U:\M1085V18.PRN
VCD
M1085-9.00
M1085-9.00
SOLDERSIDE M1085-9.00M1085-9.00
BLANK SIZE=13.075" X 10.600"
USE 2 oz. COPPER
PCB MECH M1085-8.10
Q3BC
560
U2
TLO72
R8A680K
"P22
"ST
YLE
TB7RED_SEC2
XFMR
SW2LIMITER
#343
6
C62u263V
D741
48
C8 100n
LD1
PWR_
ON(G
RN)
BE
Q1+15V
MJF6
388
JB2BOUTP
UT"B
"
D6IN40
04
R5
1W10
0R
C12B
16V
10u
U3
LM13
600
P1A 25
A
10K
#439
0
CHAN
NEL"
A"
Q3B
2N56
38
JB1B
LINE
_IN
C4
#5869
4700u63V
BAR DOWN
D3
#6434
PX6A
02
Q5B
BC56
0
Q4BBC560
Q5A
BC56
0
Q2BBC560
Q1B
BC550
Q4A
BC56
0
Q2ABC560
Q1A
BC550
U1
TLO72
U6
TLO72
U7
TLO7
2U4
5532
U5
TLO7
2
R7B10K
R9A
1K
R32M
2R2
10K
R32B1K
R101K5
R9 470R
R38A1K
R7 15K
R6 15K
R12K2
R38B1K
R23B953R
R17B 10M
R20B91K
R35A1K5
J29
R8B 680K
R23A953R
C23R
330u25V
R33B27K
R27B10K
R17A 10M
R20A 91K
R21B
60K4
_1%
R22B
133K
1%
R34A
12K
R26B20K0
R28B180K
J20
R3B9K760
R2B
953R
R1B
953R
R4B9K760
R5B9K760R6B9K76
0
J28
R31A100KR21A
60K4
_1%
R22A 133K1%
R10A
100K
R16B
20K0
J7
R24B20K0R25B20K0
R30B 2K
R15B
22M
J19
R29A10K
R36B4K7
R14B
100R
R12B
27K
R19B
43K
R18B91K
R9B
1K
R8 470R
J18
J33
R32A1K
D5A4148
R24A
20K0
R16A
20K0
R30A
2K
R15A22M
J17
R12A
27K
R19A
43K
R18A 91KR1
1B22
0KR11A
220K
R39A3K
R11
470R
R10B
100K
R6A9K760
R5A9K760
J15
R2A
953R
R1A
953R
R3A9K760
ZD1
22V
R42L 10K
R42R 10K
J35
C2
5SE
E
TB5RED_SEC1
XFMR
TB6
YEL._C-TAP
XFMR
TB3
WHT_PRI
LINE-CORD
TB2
BLK_PRI
XFMR
TB4WHT_PRI
XFMR
TB1BLK_PRI
WIRE
SW1
HIGH-PASS-FILTER
#343
6
C51u63V
C10A
33u16V
C13B
100u
25V
C13A
100u
25V
C1122u
50V
C10B
33u
16V
C11B 33u
16V
D1B
4148
J21
D25R 4148
R28A180K
D3B4148
J34
R27A
10K
D3A
4148
D25L 4148
R36A4K7
C10
100n
C9100n
C21
100n
C18
100n
C19 100n
C16 100n
C17100n
C14
100n
J8
C13
100n
C12
100n
C7B220nC9B 220n
C7A220nC9A 220n
C5B10p
C1B
1n
C2B
1n
C20 100n
C6B47nC8B 82n
C7 100n
C5A
10p
C6A47nC8A 82n
C2A
1n
C1A
1n
LD4B CLIP
(RED
)LD
4A
CLIP
(RED
)
LD3B
LIM.
(YEL
)
LD2B
SIG.
(GRN
)
LD3A
LIM.
(YEL
)
LD2A
SIG.
(GRN
)
BE
Q2-15V
MJF6
668
F2T10A
10ASB#3414SEC1._FUSE
1#3574
D5
IN40
04
R4
1W10
0R
C3B
16V10u
C12A
16V
10u
C3A 16V
10u
Q3A 2N
5638
JB1A
LINE
_IN
C3
#5869
4700u63V
BAR DOWN
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DDDDDDDOCT/08/99MAR/31/99NOV/24/95 V
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