DOWNLOAD JBL N 28 (serv.man3) Service Manual ↓ Size: 42.48 KB | Pages: 2 in PDF or view online for FREE

Model
N 28 (serv.man3)
Pages
2 Few pages! See other manuals at the bottom of the first or last page.
Size
42.48 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
n-28-sm3.pdf
Date
PREV: JBL N 28 (serv.man2) User Manual / Operation Manual

JBL N 28 (serv.man3) Service Manual ▷ View online

Technical Manual
N28
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance
8 ohms
• Max Amp Power
150 watts
• Frequency Response
50Hz – 20kHz 
• Sensitivity
90dB (1 watt @ 1 meter)
• Crossover Frequency
4000 Hz
SYSTEM COMPONENTS:
• Enclosure
N28 (Not for Sale)
• Grille
335464-002
• Low Frequency 
8" Polyplas
™
, shielded 
Transducer
335469-001
DC Resistance
5.2 ohms ±10%
• High Frequency 
³⁄₄" Titanium-laminate 
Transducer
Dome, shielded 335476-001
DC Resistance
3.0 ohms ±10%
• Crossover Network
335589-001
AURAL SWEEP TEST SPECIFICATIONS:
• A. System Aural Sweep Test 6.0V Input 50 Hz to 20 kHz
• B. L.F. Aural Sweep Test
6.0V Input 50 Hz to 5 kHz
• C.  H.F. Aural Sweep Test
2.83V Input  3 kHz to 20 kHz
PHYSICAL SPECIFICATIONS:
• Enclosure dimensions:
19
¹⁄₂ x 12 x 9¹⁄₂" (H x W x D)
495 x 305 x 241mm
• Weight
45 lbs/20.4kg – Sold in Pairs 
WARRANTY: 
• Refer to Warranty Statement packed with each product.
Owner's Manual
335595-001
Warranty Card
331994-001
Survey Card
331384-001   
OWNER'S
MANUAL
Outer Carton
(Black)
335591-001 
Plastic Bag (2)
Felt Pads
335634-001
Upper/Lower
Foam
335592-001
PACKAGING
WIRING DIAGRAM
12-99
JBL Consumer Products, Inc. 250 Crossways Park Dr., Woodbury, New York 11797                                   
N28
–      +
–      +
Driver High
Frequency
335476-001
Driver Low
Frequency
335469-001
Network
335589-001
GREEN/BLACK
GREEN
YELLOW
YELLOW/BLACK
L.F.
+IN
–IN
INPUT
+
H.F.
250
+
205
–
110
–
205
L1
400
µ
H
L2
200
µ
H
C1
3.3
µ
F/100v
R1
2.4/10W
RED
BLACK
GREEN 12"
GREEN/BLACK 12"
YELLOW 18"
YELLOW/BLACK 18"
N28 SCHEMATIC
Screws (6) 
#8 x .75 HX HD    
903802-012     
 
  
Network
335589-001
Port Tube
335449-001 
Woofer
335469-001
Grille
335464-002
Logo
335470-001
Grille retainer (4)
333249-001
Tweeter Gasket
335632-001
Tweeter
335476-001
  
Faceplate
335446-001
Terminal cup
335471-001
Screw (2)
#4 x .375 
PPH  
908602-006 
Screw (4) 
#6 x .75 
HX HD BLK 
908302-012
Enclosure
N28 (Not for Sale)
Screw (4) 
#6 x 
³⁄₄
" BLK, 
PPHD  63563
N28
N28
12-99
JBL Consumer Products, Inc. 250 Crossways Park Dr., Woodbury, New York 11797                                   
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JBL N 28 (serv.man3) Service Manual ▷ Download

  • DOWNLOAD JBL N 28 (serv.man3) Service Manual ↓ Size: 42.48 KB | Pages: 2 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the JBL N 28 (serv.man3) in PDF for free, which will help you to disassemble, recover, fix and repair JBL N 28 (serv.man3) Audio. Information contained in JBL N 28 (serv.man3) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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N 28 (serv.man3) Service Manuals

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N 28 User Manual / Operation Manual 4 44.06 KB
N 28 (serv.man2) User Manual / Operation Manual 4 58.05 KB
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