SERVICE MANUAL
NX84/NX88
WEB ACCESS: http://www.yorkville.com
WORLD HEADQUARTERS
CANADA
U.S.A.
Yorkville Sound
Yorkville Sound Inc.
550 Granite Court
Pickering, Ontario
L1W-3Y8 CANADA
4625 Witmer Industrial Estate
Niagara Falls, New York
14305 USA
Voice: (905) 837-8481
Fax: (905) 837-8746
Voice: (716) 297-2920
Fax: (716) 297-3689
Quality and Innovation Since 1963
Printed in Canada
Manual-Service-nx84-nx88-1v0.pdf
IMPORTANT SAFETY INSTRUCTIONS
INSTRUCTIONS PERTAINING TO A RISK
OF FIRE, ELECTRIC SHOCK,
OR INJURY TO PERSONS.
CAUTION:
INSTRUCTIONS RELATIVES AU RISQUE
DE FEU, CHOC ÉLECTRIQUE, OU
BLESSURES AUX PERSONNES.
AVIS:
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO
NOT REMOVE COVER (OR BACK).
NO USER SERVICEABLE PARTS INSIDE.
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.
REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL.
CONSULTEZ UN TECHNICIEN QUALIFIE
POUR L’ENTRETIENT.
Read Instructions:
Veuillez lire le manuel:
Packaging:
Emballage:
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.
Warning:
When using electric products, basic precautions should
always be followed, including the following:
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.
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.
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.
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:
Alimentation:
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.
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
NX84
YS No. Description
5942 __3U3 100V 20%CAP BLK RAD POLY FLM
5930 _10U 100V 10%CAP BLK RAD POLY FLM
711 30 X 50 X 1.5MIL PLASTIC BAG
3777 _130UH COIL 22AWG R000 BOBBIN
3784 _300UH COIL 22AWG R000 BOBBIN
3772 _560UH COIL 18AWG R348 AIR CORE
8487 ADAPTOR,SPEAKER STAND,PLASTIC,LARGE
8522 RUBBER BUMPER WITH WASHER -SMALL3489 CLIP 250X032 18-22AWG DISCO/INSL
3491 CLIP 205/187X020 18-22AWG DISCO/INS
3924 1/4" JCK PCB MT VERT 2XTIP HICURNT
3628 SPKON 4C PCB MT VERT 250TAB GRY #4
8517 SMALL BLACK XOVERDISH PLASTIC CNFG3
3451 EYELET SMALL 0.089 OD PLATED
8540 HANDLE BAR, ZINC DIECAST
DE-10 8R 40W 1" DRIVER B&C DE-10-8OHM
3841 5.5" NYLON CABLE TIE
8517DV2 ALUMINIZED DECAL FOR 8517 SM. DISH
8240D "Y" LOGO SML. DOMED YORKVILLE BLUE
3641 S.C BAYONET WIRE SOCKET TINNED
3647 12V 18W SC BAYONET #1141 BULB
3543 20 PIN BRKAWAY 90 LOCK .156
3549 TRIFURCON TERM .156
3558 TERM HOUSING 4 CIR .156/RAMP
8800 6-32 KEPS NUT ZINC
4599 22AWG SOLID SC WIR
T&R JMP
4723 10.W 1R8 5%
BLK RES
4741 10.W 3R9 5%
BLK RES
8729 #4 X 3/8 FLAT QUAD TYPE A JS500 BLK
8835 6-32 X 1/2 PAN QUAD MS TIN PLATED
8785 #8 X 3/4 OVAL PH TYPE A BLACK OXIDE
8815 8-32 X 3/4 PAN PH TAPTITE JS500
8990 #8 X 2 1/2 SCKT DECK SCRW FLT JS500
8781 #10 X 7/8 FLAT PHIL TYPE A JS500BLK
8843 10-32 X 1 1/8 FLAT PH MS JS500
8786 10-32 X 1 1/4 PAN QD MS JS500 BLACK
8862 #10 X 1 1/2 PAN PH TYPE A JS500
8928 #14X11/4 ALLEN FLHD WOOD SCRW JS500
8847 1/4-20 X 1 1/4 FLAT PH MS JS500
8991 M5 X 35 PAN PHIL JS500 BLACK
7328 8" 4R 75WPGM SPEAKER
8908 #10 SAE FLAT WASHER .25"ID .565" OD
NX88
Qty.
2
1
1
1
1
1
1
3
2
2
2
1
1
7
1
1
2
1
1
1
1
0.2
4
1
1
4
1
1
2
1
4
4
7
2
6
5
2
4
3
2
1
2
YS No. Description
5938
560N 100V 10%CAP BLK RAD POLY FLM
5932
__2U2 100V 10%CAP BLK RAD POLY FLM
5931
__6U8 100V 10%CAP BLK RAD POLY FLM
5930
_10U 100V 10%CAP BLK RAD POLY FLM
3780
_220UH COIL 22AWG R000 BOBBIN
3781
_430UH COIL 22AWG R000 BOBBIN
3772
_560UH COIL 18AWG R348 AIR CORE
3724
1000UH COIL 20AWG R361 IRON CORE
ADAPTOR,SPEAKER STAND,PLASTIC,LARGE
8487
8522
RUBBER BUMPER WITH WASHER -SMALL3489
CLIP 250X032 18-22AWG DISCO/INSL
3491
CLIP 205/187X020 18-22AWG DISCO/INS
3924
1/4" JCK PCB MT VERT 2XTIP HICURNT
3628
SPKON 4C PCB MT VERT 250TAB GRY #4
8517
SMALL BLACK XOVERDISH PLASTIC CNFG3
3451
EYELET SMALL 0.089 OD PLATED
8540
HANDLE BAR, ZINC DIECAST
DE-10 8R 40W 1" DRIVER B&C DE-10-8OHM
3841
5.5" NYLON CABLE TIE
8517DV2 ALUMINIZED DECAL FOR 8517 SM. DISH
8240D "Y" LOGO SML. DOMED YORKVILLE BLUE
3641
S.C BAYONET WIRE SOCKET TINNED
3647
12V 18W SC BAYONET #1141 BULB
3543
20 PIN BRKAWAY 90 LOCK .156
3549
TRIFURCON TERM .156
3558
TERM HOUSING 4 CIR .156/RAMP
8800
6-32 KEPS NUT ZINC
4599
22AWG SOLID SC WIR
T&R JMP
5012
15.W 8R2 5%
BLK RES
4702
10.W 12R 5%
BLK RES
9041
.093" HOLE .156" STAG 16GA 36"X120"
8835
6-32 X 1/2 PAN QUAD MS TIN PLATED
8785
#8 X 3/4 OVAL PH TYPE A BLACK OXIDE
8815
8-32 X 3/4 PAN PH TAPTITE JS500
8990
#8 X 2 1/2 SCKT DECK SCRW FLT JS500
8781
#10 X 7/8 FLAT PHIL TYPE A JS500BLK
8843
10-32 X 1 1/8 FLAT PH MS JS500
8786
10-32 X 1 1/4 PAN QD MS JS500 BLACK
8862
#10 X 1 1/2 PAN PH TYPE A JS500
8928
#14X11/4 ALLEN FLHD WOOD SCRW JS500
8847
1/4-20 X 1 1/4 FLAT PH MS JS500
8991
M5 X 35 PAN PHIL JS500 BLACK
7329
8" 8R 125WPGM SPEAKER
8908
#10 SAE FLAT WASHER .25"ID .565" OD
Qty.
1
1
1
1
1
1
1
1
1
4
2
2
2
1
1
7
1
1
2
1
1
1
1
0.2
4
1
1
3
1
2
1.4
1
4
4
7
2
4
5
2
4
3
2
1
2
B
A
C
D
E
F
G
H
I
J
K
1
1
Input
1/4in JCK
SLEEVE
J1
2
C1
3U3
100V
2
B1
3647
#1141 Bulb
Bayonet Bulb Socket
3641
LITE1
L2
3772
560UH
3924
Input
1/4in JCK
J2
4
1+
SP1
8R 40W 1"
YS# HD120
HORN
+
5
1R8
10.W
R4
100V
3628
SPEAKON 4C
Function
J3:B
3U3
2+
5942
1_
C3
2_
L1
SP2
4R 100W 8"
YS#7328
WOOFER
C2
10U
J3:A
Function
SPEAKON 4C
3628
5
3
L3
5930
100V
4
3784
300UH
3924
130UH
3777
SLEEVE
R1
10.W
3R9
3
6
6
Speaker Connection
_SP2
+
M646 SCHEMATIC HISTORY
MODEL(S):7
8
# DATE
1 Aug 26. 2002
2 NOV 21 2002
3 9-DEC-2003
4 13-JAN-2004
5 JAN-19-2005
6 .
7 D
8 D
9 D
10 D
11 D
12 D
13 D
A
-
NX 84
VER# DESCRIPTION OF CHANGE
v1.00 NEW PCB
1.10
MOLEX FROM 8 PIN TO 4 PIN
2.00
PC#6655 Added Speakon Connector
3.00
Removed routing from L4
4.00
PC#6756: FIXED CLEARANCE VIOLATIONS (GT)
.
MADE ECO'S TO CONVERT BETWEEN PDFS FOR NX88/84
V
N
V
N
N
V
N
V
N
V
N
V
N
V
B
C
4R 100W 8"
D
E
Red
Black
_W1
7
+
Yellow
Black
Product
8R 40W 1"
-
_SP1
NX84
PCB# M646
Sheet 1 of 2
Date: Wed Jan 19, 2005
Rev: v4.00
Filename: NX84-M646-4v0.sch2002
F
G
H
I
J
K
8
SHEAR
Copy Matrix, 2 columns 2 rows
X=6200 Y=4500
NX84
M646
BlankSize - 12250x9550
3U3
Yellow
560UH
W1
J1
3784 OUTSIDE
X2
TIP2
RT
V
RT
V
RT
V
10.W
RT
V
INSIDE
WIRE
W4
C2
1-
3628
4741
22AWG
300UH
L3
NX84 / NX88
V4.00
X3
M646 / M646A
100V
10U
TIP1
RT
V
3R9
Black
Tweeter
8R 40W 1"
SLEEVE
WIRE
RT
V
Red
18AWG
BLK
Yellow
W5
24 PIN BREAKAWAY LOCK .156
Black
Black
R1
AWG
3772
W3
1+
J3
2+
SPEAKON
4C
1+
1-
2+
NL4MP-1
FUNCTION
INSIDE
WIRE
INSIDE
WIRE
Red
Black
SLEEVE
TIP2
130UH
22AWG
RT
V
J2
M646/M646A DRILL HISTORY
TIP1
4723
RT
V
3U3
RT
V RT
100V
V
RT
V
5942
SHEAR
OUTSIDE 3777
WIRE
L1
CLINCH
MODEL(S):-
RT
V
OUTSIDE
WIRE
LITE1
1
1
Bayonet Bulb Socket
3641
2-
2-
18AWG
BLK
W1_
Woofer
8R 100W 8"
YS#7329
10.W
1R8
R4
#
1
2
3
4
5
6
DATE
D
D
D
D
D
D
NX84/NX88
VER# DESCRIPTION OF CHANGE
V
N
V
N
V
N
V
N
V
N
V
N
StepAndRepeat - X2@6.200Y2@4.500
L2
RT
V
RT
RT
V
V
100V
5942
C1
Pcb Mech M646 / M646A V4.00
ORIGIN
M646 / M646 A .PCB_DATABASE_HISTORY
MODEL(S):-
SOCKET
SOCKET UPSIDE DOWN
NORMAL
SOCKET WITH DIRECTION
TAB
B1
3647
#1141 Bulb
NORMAL LARGE
NX 84 - 88
# DATE
VER# DESCRIPTION OF CHANGE
1 August 26th, 02v 1.00 New PCB M646 / M646A
MOLEX FROM 8 PIN TO 4 PIN
2 NOV 20, 2002 2.00
3 9-DEC-2003 3.00
PC#6655 Added Speakon connector
4 13-JAN-2004 3.00
Removed routing from L4
5 JAN-19-2005 4.00
PC#6756: FIXED CLEARANCE VIOLATIONS (GT)
.
MADE ECO'S TO CONVERT BETWEEN PDFS FOR NX88/84
6 .
7 D
V
N
V
N
8 D
V
N
9 D
10 D
V
N
11 D
V
N
V
N
12 D
13 D
V
N
Production Notes:
PCBM: 1. Eyelets for L2 and BULB are
inserted on bottom side.
Place RTV points to fix leads on L2
PCBSA: 2. L2 goes on copper side and is
handsoldered after wave soldering to W3
and W4. BULB is done by WIRING.
WIRING: 3. Mount bulb on copper side
and point towards middle of board before
screwing board to dish.
WIRING: 4. Solder bulb to board and its
wire to eyelet.
RT
V
RT
V
B
A
C
D
E
F
G
H
I
J
K
1
1
Input
1/4in JCK
J1
3924
B1
3647
#1141 Bulb
Bayonet Bulb Socket
3641
LITE1
SLEEVE
3
SLEEVE
C1
2U2
J2
C4
560N
100V
L2
Input
1/4in JCK
100V
2
560UH
3772
2
3
L4
1000UH
3724
R1
15.W
8R2
3924
100V
4
J3:A
Function
SPEAKON 4C
3628
1+
C2
10U
4
2_
220UH
3780
SP2
8R 125W 8"
YS#7329
WOOFER
+
SP1
8R 40W 1"
DE-10
5
HORN
C3_1
6U8
5931
100V
R3
10.W
12R
R2
10.W
12R
5
L3
3628
SPEAKON 4C
Function
J3:B
L1
2+
430UH
3781
1_
6
6
Speaker Connection
+
M646A .PCB_DATABASE_HISTORY
-
MODEL(S):-
7
8
NX 88
# DATE
VER# DESCRIPTION OF CHANGE
1 Aug 26 2002 1.00
NEW PCB
2 NOV 21 2002 1.10
MOLEX FROM 8 PIN TO 4 PIN
3 9-DEC-2003 2.00
PC#6655 Added Speakon connector
4 13-JAN-2004 3.00
Removed routing from L4
5 JAN-19-2005 4.00
PC#6756: FIXED CLEARANCE VIOLATIONS (GT)
6 .
.
MADE ECO'S TO CONVERT BETWEEN PDFS FOR NX88/84
7 D
V
N
8 D
V
N
9 D
N
V
10 D
N
V
11 D
N
V
12 D
N
V
13 D
N
V
A
B
C
_SP2
8R 100W 8"
D
E
Red
Black
Black
Yellow
_W1
7
8R 40W 1"
+
_SP1
Product
NX88
PCB# M646A
Sheet 1 of 2
Date: Wed Jan 19, 2005
Rev: v4.00
Filename: NX88-M646A-4V0.sch2002
F
G
H
I
J
K
8
SHEAR
Copy Matrix, 2 columns 2 rows
X=6200 Y=4500
NX88
M646A
BlankSize - 12250x9550
2U2
C2
1-
3628
5012
L3
Red
Black
Black
OUTSIDE WIRE
INSIDE WIRE
1+
INSIDE
WIRE
J3
2+
SPEAKON
4C
1+
1-
2+
NL4MP-1
FUNCTION
INSIDE
WIRE
220UH
22AWG
RT
V
RT
V
12R
10.W
12R
RT
V
22AWG
430UH
INSIDE
WIRE
W4
L4
TIP2
TIP1
RT
V
RT
V
OUTSIDE
WIRE
Red
RT
V
4702
TIP2
4702
J2
M646/M646A DRILL HISTORY
TIP1
OUTSIDE 3780
WIRE
RT
V
MODEL(S):-
6U8
100V RT
V
RT
V 5931
SHEAR
L1
OUTSIDE WIRE
X1
LITE1
1
1
Bayonet Bulb Socket
3641
RT
V
OUTSIDE
WIRE
CLINCH
Woofer
8R 100W 8"
YS#7329
Black
SLEEVE
2-
2-
18AWG
BLK
W1_
Black
Tweeter
8R 40W 1"
SLEEVE
M646 / M646A
8R2
0R361
X3
100V
10U
1000UH
RT
V
RT
V
15.W
RT
V
INSIDE WIRE
IRON
Inductor
WIRE
Yellow
J1
3781 OUTSIDE
10.W
W1
R2
INSIDE
WIRE
18AWG
BLK
R3
W5
24 PIN BREAKAWAY LOCK .156
NX84 / NX88
V4.00
R1
Yellow
560UH
W3
AWG
3772
RT
V 560NC4
100V
RT
V
#
1
2
3
4
5
6
DATE
D
D
D
D
D
D
NX84/NX88
VER# DESCRIPTION OF CHANGE
V
N
V
N
V
N
V
N
V
N
V
N
StepAndRepeat - X2@6.200Y2@4.500
L2
RT
V
RT
RT
V
V
100V
5932
C1
Pcb Mech M646 / M646A V4.00
ORIGIN
M646 / M646 A .PCB_DATABASE_HISTORY
MODEL(S):-
SOCKET
SOCKET UPSIDE DOWN
NORMAL
SOCKET WITH DIRECTION
TAB
B1
3647
#1141 Bulb
NORMAL LARGE
NX 84 - 88
# DATE
VER# DESCRIPTION OF CHANGE
1 August 26th, 02v 1.00 New PCB M646 / M646A
MOLEX FROM 8 PIN TO 4 PIN
2 NOV 20, 2002 2.00
3 9-DEC-2003 3.00
PC#6655 Added Speakon connector
4 13-JAN-2004 3.00
Removed routing from L4
5 JAN-19-2005 4.00
PC#6756: FIXED CLEARANCE VIOLATIONS (GT)
.
MADE ECO'S TO CONVERT BETWEEN PDFS FOR NX88/84
6 .
7 D
V
N
V
N
8 D
V
N
9 D
10 D
V
N
11 D
V
N
V
N
12 D
13 D
V
N
Production Notes:
PCBM: 1. Eyelets for L2 and BULB are
inserted on bottom side.
Place RTV points to fix leads on L2
PCBSA: 2. L2 goes on copper side and is
handsoldered after wave soldering to W3
and W4. BULB is done by WIRING.
WIRING: 3. Mount bulb on copper side
and point towards middle of board before
screwing board to dish.
WIRING: 4. Solder bulb to board and its
wire to eyelet.
RT
V
RT
V
">
