Read JBL CM 40 (serv.man2) Service Manual online
JBL Consumer Products Inc., 250 Crossways Park Dr., Woodbury, New York 11797
CM40/40A
W
PACKAGE
WIRING DIAGRAM
2-99
REV A
Technical Manual
CM40/40AW
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance:
6 ohms
• Max Amp Power:
75 Watts
• Frequency Response:
70 Hz – 16 kHz
• Sensitivity:
87 dB 1 Watt @ 1 Meter
SYSTEM COMPONENTS:
• Cabinet:
CM40/40AW (Not For Sale)
• Grille:
CM40 (Black) WI0720-B
CM40AW (Black) WI0720-1B
CM40 (White) WI0720-W
CM40AW (White) WI0720-1W
CM40AW (Black) WI0720-1B
CM40 (White) WI0720-W
CM40AW (White) WI0720-1W
• Low/Mid Frequency
CM40 - 4” Shielded Driver
Transducer:
(CM40WO)
CM40AW - 4” Shielded Driver
(CM40AWO)
CM40AW - 4” Shielded Driver
(CM40AWO)
DC Resistance:
3.4 ohms ±10%
BLK
INPUT
R1
4.3
4.3
Ω
5W
C1
30
30
µ
F
100V
L1
CM40 0.27mH
CM40AW 0.39mH
CM40 0.27mH
CM40AW 0.39mH
L.F./M.F.
Owner’s Manual AI0197
Warranty Card AI0193
Warranty Card AI0193
Rubber Feet (8)
CM40/40AW (BLK) WI0742-B
CM40/40AW (WHT) WI0742-W
CM40/40AW (BLK) WI0742-B
CM40/40AW (WHT) WI0742-W
Upper/Lower
Foam
WP0254
Foam
WP0254
Packaging
Carton, Beauty
CM40 (BLK) WG442-B
CM40 (WHT) WG442-W
CM40AW (BLK) WG442-1B
CM40AW (WHT) WG442-1W
CM40 (BLK) WG442-B
CM40 (WHT) WG442-W
CM40AW (BLK) WG442-1B
CM40AW (WHT) WG442-1W
YEL
LMP(2)
SYSTEM COMPONENTS:
(cont’d)
• Crossover Network:
CM40 (WI0719)
CM40AW (WI0726)
CM40AW (WI0726)
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test:
4.0V Input, 20 Hz to 16 kHz
B. L.F. Aural Sweep Test:
3.0V Input, 20 Hz to 16 kHz
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions:
10 x 5 3/4 x 4 in. (H x W x D)
(225mm x 147mm x 104mm)
(225mm x 147mm x 104mm)
WEIGHT:
6 lbs. (2.7 kg.) Each
(Sold in Pairs)
(Sold in Pairs)
WARRANTY INFORMATION:
• Refer to the Warranty Statement packed with each product.
SCHEMATIC CM40 (CM40AW Noted)
Network
CM40 (WI0719)
CM40AW (WI0726)
CM40 (WI0719)
CM40AW (WI0726)
Driver, Low/Mid Freq
CM40 (CM40WO)
CM40AW (CM40AWO)
CM40 (CM40WO)
CM40AW (CM40AWO)
YEL
BLK
CM4040AW.qxd 3/1/99 11:49 AM Page 1
CM40/40A
W
COMPONENT EXPLODED VIEW
Spring
Speednut
Terminal Cup
CM40 (T762)
CM40AW (T762-1)
CM40 (T762)
CM40AW (T762-1)
Baffle
(Not For Sale)
(Not For Sale)
Screen
(Ref)
(Ref)
Driver, Low/Mid Freq
CM40 (CM40WO)
CM40AW (CM40AWO)
CM40 (CM40WO)
CM40AW (CM40AWO)
Trim Ring
P04067
P04067
Lamp (2)
SK3
SK3
Cabinet
(Not For Sale)
(Not For Sale)
Logo
SZ532
SZ532
Shown
Assembled
Assembled
NOTE: FOR WOOFER REMOVAL, COBALT BLUE
TRIM RING MUST BE CAREFULLY PRIED
OUT OF ITS RECESS TO ACCESS
MOUNTING SCREWS
OUT OF ITS RECESS TO ACCESS
MOUNTING SCREWS
Screw (4)
(06-T41202)
No.8 x 1/2
PPH BLK
(06-T41202)
No.8 x 1/2
PPH BLK
Screw (2)
(06-M61202)
1/4-20 x 1/2
PPH BLK
(06-M61202)
1/4-20 x 1/2
PPH BLK
Mounting Plate
CM40 (BLK) WI0701-B
CM40 (WHT) WI0701-W
CM40AW (BLK) WI0701-1B
CM40AW (WHT) WI0701-1W
CM40 (BLK) WI0701-B
CM40 (WHT) WI0701-W
CM40AW (BLK) WI0701-1B
CM40AW (WHT) WI0701-1W
Screw (2)
(06T-T41202)
No.8 x 1/2
PNHD PH BLK
(06T-T41202)
No.8 x 1/2
PNHD PH BLK
Network
CM40 (WI0719)
CM40AW (WI0726)
CM40 (WI0719)
CM40AW (WI0726)
Screw (4)
(06-T31202)
No.6 x 1/2
PPH BLK
(06-T31202)
No.6 x 1/2
PPH BLK
Grille
CM40 (BLK) WI0720-B
CM40AW (BLK) WI0720-1B
CM40 (WHT) WI0720-W
CM40AW (WHT) WI0720-1W
CM40 (BLK) WI0720-B
CM40AW (BLK) WI0720-1B
CM40 (WHT) WI0720-W
CM40AW (WHT) WI0720-1W
CM40/40AW
CM4040AW.qxd 3/1/99 11:49 AM Page 2
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