MUSIC 20 SAT - JBL Audio Service Manual (repair manual)

Model: MUSIC 20 SAT
Pages: 2
Size: 117.43 KB
Type: PDF
Document: Service Manual
Brand: JBL
Device: Audio
File: music-20-sat.pdf
Date: 2018-11-20

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JBL Consumer Products Inc., 250 Crossways Park Dr., Woodbury, New York 11797
SA
T
20 L,R/CENTER
PACKAGE
WIRING DIAGRAM
3-98  
REV A
Technical Manual
SAT 20 L,R/CENTER
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance:
8 ohm
• Max Amp Power:
120W
• Frequency Response:
120 Hz – 20 kHz (±3 dB)
• Sensitivity:
90 dB SPL, 1 Watt @ 1 Meter
• Crossover Frequency:
3.5 kHz (Nominal)
SYSTEM COMPONENTS:
• Cabinet:
SAT 20 L,R/Center (Not For Sale)
• Grille:
330249-001 BLK 
330249-002 WHT
• Low Frequency
74860-06 3-1/2 in. (90mm)
Transducer:
Neodymium Magnet
DC Resistance:
9.0 ohm ±5%
• High Frequency
75133 Titanium
Transducer:
Composite Dome
DC Resistance:
5.5 ohm ±10%
BLU/BLK
BLU/BLK
BLU/BLK
BLU
BLU/BLK
BLU
YEL
YEL
INPUT
L.F.
C1
7.5µF/
50V
C2
4.7µF/
100V
R2
1.5
Ω
5W
R1
1.5
Ω
5W
L1
0.39 mH
L2
0.15 mH
H.F.
NOTE: REPLACE FOAM BAFFLE WHEN SERVICING SPEAKERS. CONE/DIAPHRAGM 
KIT NOT AVAILABLE. DEFECTIVE SPEAKER SHOULD BE REPLACED.
NOTE: SAT 20 IS PART OF THE SCS120, MUSIC 20 
AND MOVIES 20 SYSTEMS.
SCHEMATIC SAT 20
Warranty 76310
Owner’s Manual Movies 20
330258-002
Poly Bag (3)
MOVIES 20
End Pad (2)
330666-001
Driver,
Low Freq (2)
74860-06
(See Note)
Driver,
High Freq
75133
(See Note)
Input
Ter m inal
Carton
330260-001
Installation Kit
76217-05
YEL/BLK
YEL/BLK
BLU
RED
RED/BLK
BLU
SYSTEM COMPONENTS: 
(cont’d)
• Crossover Network:
331341-003
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test:
5.0V Input, 10 Hz to 20 kHz
B. L.F. Aural Sweep Test:
5.0V Input, 10 Hz to 10 kHz
C. H.F. Aural Sweep Test:
3.0V Input, 1 kHz to 20 kHz
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions:
14.12 x 4.38 x 6.21 in. D
(359mm x 111mm x 158mm D)
SHIPPING WEIGHT:
See Package
WARRANTY INFORMATION:
• Refer to the Warranty Statement packed with each product.
SAT 20
Network
331341-003
SAT20L,R/Center  12/31/98  10:03 AM  Page 1

SA
T 20 L,R/CENTER
COMPONENT EXPLODED VIEW
Network
331341-003
(Left SAT 20 Shown, Right and Center are Identical Except for Grille)
Foam Baffle
330219-001
(See Note)
SAT 20 
Baffle
(Not For Sale)
Screw (4)
70593
Gasket
75119-02
Driver,
Low Freq (2)
74860-06
(See Note)
Screw (12)
71339
Driver,
High Freq
75133
(See Note)
Knob (2)
75115-02 BLK
75115-01 WHT
Bracket
75123
Input
Ter m inal
75154
Shim (2)
75868
SAT 20
L,R/Center
Housing
(Not For Sale)
Screw (12)
71339
NOTE:  REPLACE FOAM BAFFLE WHEN SERVICING SPEAKERS.
Grille, Assy
330249-001 BLK
330249-002 WHT
SAT 20 L,R/CENTER
SAT20L,R/Center  12/31/98  10:03 AM  Page 2

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Here you can read online and download JBL MUSIC 20 SAT Service Manual in PDF. MUSIC 20 SAT service manual will guide through the process and help you recover, restore, fix, disassemble and repair JBL MUSIC 20 SAT Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.

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