LS 80 - JBL Audio Service Manual (repair manual). Page 2

Read JBL LS 80 Service Manual online

32
18
27
33
40
30
2
9
5
6
23
12
29
1
22
4
24
28
20
26
14
13
21
3
25
3
25
17
10
8
7
11
15
16
31
19
EXPLODED VIEW
Technical Manual
LS80
LS80
7/08
Harman Consumer Group, Inc., 250 Crossways Park Drive, Woodbury, New York 11797
ITEM PART 
NO.
DESCRIPTION
QTY.
Screw, Woofer 4 x 25FA
12
Screw, Crossover Network 3 x 20BA
12
Screw, Terminal Cup 3 x 15BA
4
28
P07980000
Grille Cup
8
29
P08170000
Gasket, UHF
1
30
Not for Sale
Label
1
31
Not for Sale
Label
1
32
P08660000
Foot
4
33
P05930003
Terminal Cup w/Binding Posts
1
34
Visit www.jbl.com
LS series Owner’s Manual
1
35
P00490002
Warranty Card
1
36
M00050006
Spike Foot Set
1
37
M00050007
Coaster Set
1
38
M00050005
Packing Set
1
39
P08530000
Outer Carton
1
40
CS06-6
Shorting Straps (Right/Left Pair)
1
SERVICE NOTES
1) Remove the grille.
2) Access to the woofer and crossover network is accomplished by gently prying the woofer trim ring out of the counterbore, which is attached with a friction fit,
using a small, flat-blade screwdriver or similar tool. The four Phillips screws will then be visible.
3) Access to the HF/UHF sections is accomplished by first extracting the upper four rubber grille retainers. This can be accomplished by a) inserting a long screw
with coarse threads into the cup hole, thread the screw, and extract the cup, or b) carefully pulling them out of their cavities with long-nosed pliers or a similar
tool. It’s possible each grille cup could be damaged since the cups are affixed with RTV (silicon seal). Each cavity should be cleaned out with a 1/4" drill bit
before the Phillips head screw is turned. (Power tools are not recommended here).  Remove the four screws, then pull off the faceplate with the UHF driver 
attached to it.
4) Access the LF, UHF tweeter, or crossover network as needed.
5) Woofer Replacement: Make sure the woofer is exactly centered in the counterbore, otherwise the trim ring will not fit in place.
ITEM PART 
NO.
DESCRIPTION
QTY.
1
U00700001
UHF Tweeter
1
2
U00600000
HF Tweeter
1
3
U00680001
8" Woofer
2
4,5
M00050000
LF/UHF Faceplate w/Gasket
1
6 –12
M00050001
HF Horn Assembly
1
13,14
M00050002
Trim Ring, Woofer w/Felt Gasket
2
15
Not for Sale
Label
1
16
Not for Sale
Label
1
17
P07940000
Front Grille
1
18
Not for Sale
LS80 Cabinet
1
19
P02780000
Insert Nut
4
20
P05750024
Crossover Network
1
21
P08150000
JBL Logo
1
22–27
M00050004
Screw Set Includes the Following:
1
Screw, UHF #6-32 x 3/8BM
4
Screw, LF Horn 4 x 20BA
6
Screw, LF/UHF Faceplate 3 x 12PA
4
Page of 2
Display

Download JBL LS 80 Service Manual (Repair Manual)