1
SA1532z REPAIR MANUAL
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3
Led PCB replacement:
C a refully begin to remove the grill. Do
3
4
not fully remove the grill a s the c a ble
is still firmly a tta c hed to the led PC B
a ssembly. A fla t hea d sc rewdriver ma y
a id in loosening the grill from the c a binet.
Five sc rews need to be removed from
ea c h side of the grill using the phillips
hea d sc rewdriver (ten sc rews in a ll).
1
C a refully remove the c a ble a tta c hed to
the led PC B a ssembly.
Keep the ten sc rews in a sa fe pla c e.
2
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4
Led PCB replacement continued:
Use the phillips hea d sc rewdriver to
remove one sc rew nea r the c enter of
the led PC B a ssembly.
5
C a refully remove the led PC B a ssembly
from the ba c k side of the grill.
6
7
The ha rd pa rt is done, the rest is ea sy!
Pla c e the new led PC B a ssembly (pa rt
#0007334) where the old one wa s. Follow
the sa me steps a s a bove, but ba c kwa rds
6 to 1. Power up the SA1532z a nd the led
should light up. C ongra tula tions, you just
repla c ed a n led PC B a ssembly...now go
pla y some shows!
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5
Bottom woofer replacement:
Follow steps 1-4 of the led PC B
1
repla c ement instruc tions, a s the grill will
screws 1-5
need to be removed in order to a c c ess
the bottom woofer.
screws 6-8
Keep the eight sc rews a nd fla t wa shers
3
in a sa fe pla c e. Note: There a re two
different sc rews tha t c onnec t the woofer
to the c a binet.
2
3
1
4
5
8
C a refully begin to remove the woofer.
A fla t hea d sc rewdriver ma y a id in
loosening the woofer by prying between
it a nd the c a binet. Hold the woofer
in pla c e with one ha nd while prying
a round the edge with your free ha nd.
Caution: The woofer is a pproxima tely
17 pounds with the weight unevenly
distributed.
4
7
6
Eight sc rews a nd wa shers need to be
removed from the woofer using the
phillips hea d sc rewdriver.
2
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6
Bottom woofer replacement continued:
+
-
Push down
The positive (solid yellow) a nd nega tive
(solid bla c k) c a bles a re still a tta c hed to
the woofer termina ls. Remove the c a bles
from their termina ls simply by pushing
down on the termina l a nd pulling out the
c a ble.
5
6
The pic ture on the right shows wha t
the SA1532z looks like with the grill a nd
bottom woofer removed . Pla c e the
new woofer (pa rt #0013917) where the
old one wa s. Follow the sa me steps a s
a bove, but ba c kwa rds 5 to 1, ma king
sure to keep the led PC B a ssembly c a ble
in front of the woofer. Power up the
SA1532z a nd the new woofer should now
be pumping out glorious lows. Awesome,
you just repla c ed a 15” woofer!
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7
Top woofer replacement:
Two woofer sc rews a re hidden by the grill
Follow steps 1-4 of the led PC B
2
support (outlined on the left). The woofer
c a n not be removed until the support
is. See the following pic tures a nd further
instruc tions.
1
repla c ement instruc tions, a s the grill will
need to be removed in order to a c c ess
the top woofer.
1
2
Sc rews hidden
by grill support
1
8
3
4
2
grill support
sc rew loc a tions
grill support
sc rew loc a tions
7
The grill support is c overed with a rubber
strip. The four sc rews ma y be a c c essed
by either: (1) peeling ba c k the rubber
strip, or (2) punc turing a hole with the
phillips hea d sc rewdriver through the
rubber strip where the sc rew is loc a ted.
The grill support is ea sily removed by
pulling it off of the c a binet. The top two
woofer sc rews ma y now be a c c essed
a nd removed.
3
6
5
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8
Top woofer replacement continued:
+
-
Push down
The positive (solid yellow) a nd nega tive
(solid bla c k) c a bles a re still a tta c hed to
the woofer termina ls. Remove the c a bles
from their termina ls simply by pushing
down on the termina l a nd pulling out the
c a ble.
6
Keep the eight sc rews a nd fla t wa shers in
4
5
a sa fe pla c e.
C a refully begin to remove the woofer.
A fla t hea d sc rewdriver ma y a id in
loosening the woofer by prying between
the woofer a nd c a binet. Hold the woofer
in pla c e with one ha nd while prying
a round the edge with your free ha nd.
Caution: The woofer is a pproxima tely
17 pounds with the weight unevenly
distributed.
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9
Top woofer replacement continued:
The pic ture on the left shows wha t it
looks like with the grill a nd top woofer
removed . Pla c e the new woofer (pa rt
#0013917) where the old one wa s. Follow
the sa me steps a s a bove, but ba c kwa rds
6 to 1. Power up the SA1532z a nd the
new woofer should now be pumping
out glorious lows. Awesome, you just
repla c ed a 15” woofer!
7
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10
High Frequency Driver replacement:
Fourteen sc rews a nd wa shers need to be
removed from the horn a ssembly using
the phillips hea d sc rewdriver.
Follow steps 1-4 of the led PC B
2
1
repla c ement instruc tions, a s the grill will
need to be removed in order to a c c ess
the high frequenc y driver.
4
5
3
screws 1-8
2
6
7
1
screws 9-14
14
13
9
10
8
12
11
Keep the fourteen sc rews a nd fla t
3
wa shers in a sa fe pla c e. Note: There a re
two different sc rews tha t c onnec t the
horn a ssembly to the c a binet.
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11
High Frequency Driver replacement continued:
High
Frequenc y
Driver
-
Push down
+
Mid
Frequenc y
Driver
The positive (solid blue) a nd nega tive
(blue a nd bla c k) c a bles a re still
a tta c hed to the high frequenc y driver
termina ls. Remove the c a bles from their
termina ls simply by pushing down on the
termina l a nd pulling out the c a ble.
5
6
C a refully begin to remove the entire
4
horn a ssembly (with the high a nd mid
frequenc y drivers still a tta c hed). A fla t
hea d sc rewdriver ma y a id in loosening
the horn a ssembly from the c a binet if it is
stic king.
Push down
+
-
Caution: The horn weighs a bout 10
pounds, a nd the weight is not evenly
distributed.
The positive (solid green) a nd nega tive
(green a nd bla c k) c a bles a re still
a tta c hed to the mid frequenc y driver
termina ls. Remove the c a bles from their
termina ls simply by pushing down on the
termina l a nd pulling out the c a ble.
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12
High Frequency Driver replacement continued:
1
2
3
-
+
4
1
-
2
+
4
3
Four sc rews a nd loc king wa shers ma y
be removed from the high frequenc y
driver using the phillips hea d sc rewdriver.
Notic e the pla c ement of the termina ls,
a s well.
8
This is wha t it looks like with the grill a nd
7
horn removed. See right side for further
instruc tions a nd a dditiona l pic tures on
how to remove a nd repla c e the high
frequenc y driver.
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13
High Frequency Driver replacement continued:
1
3
2
4
Keep the four sc rews a nd loc king
wa shers in a sa fe pla c e.
9
Turning the high frequenc y driver over
revea ls the c over pla te whic h needs
to be removed using the phillips hea d
sc rewdriver. Keep the four sc rews in a
sa fe pla c e. Repla c e with the new driver
(pa rt #0013925) a nd follow the sa me
steps a s a bove, but ba c kwa rds 11 to
1. Power up the SA1532z a nd the new
driver should now be pumping out those
highs a ga in. Fa nta stic , you just repla c ed
a high frequenc y driver!
11
The high frequenc y driver should ea sily
lift right off of the horn a ssembly. Holding
down the horn a ssembly with one ha nd
while lifting up on the driver with the
other ha nd ma y help.
10
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14
Diaphragm replacement:
At the present time (November 2006),
dia phra gms a re not c urrently a va ila ble,
so you will ha ve to repla c e the c omplete
driver following the previous sec tion
(pa ges 10-13). If you ha ve rec eived
a dia phra gm, plea se follow the steps
below.
1
2
Follow steps 1-6 of the high frequenc y
driver repla c ement instruc tions, a s the
horn a ssembly will need to be removed
in order to a c c ess the dia phra gm.
1
-
4
2
Keep the four sc rews in a sa fe pla c e.
+
4
5
3
A c loseup of the high frequenc y driver
is shown a bove. Four sc rews need to be
removed from the driver using the 3mm
a llen wrenc h.
3
The dia phra gm a nd pla te a da pter a re
ea sily removed from the horn a ssembly.
They ma y not be broken down a ny
further. Pla c e the new dia phra gm (pa rt
# c oming soon) a nd pla te a ssembly
where the old one wa s. Follow the sa me
steps a s a bove, but ba c kwa rds 4 to
1. Power up the SA1532z a nd the new
dia phra gm should now be pumping
out those highs a ga in. Sweet, you just
repla c ed a dia phra gm!
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15
Mid Frequency Driver replacement:
Follow steps 1-6 of the high frequenc y
1
driver repla c ement instruc tions, a s the
grill a nd horn a ssembly will need to be
removed in order to a c c ess the mid
frequenc y driver.
1
2
8
7
3
4
+
-
Keep the eight sc rews a nd loc king
wa shers in a sa fe pla c e.
6
5
3
2
1
8
3
4
7
+
-
6
5
Eight sc rews a nd loc king wa shers ma y
be removed from the mid frequenc y
driver c over pla te using the phillips hea d
sc rewdriver.
2
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16
Mid Frequency Driver replacement continued:
1
4
2
3
+
-
+
-
Pull out
+
-
1
2
Pull out
+
-
3
4
The mid frequenc y driver c over pla te
should ea sily lift right off of the horn.
Holding down the horn a ssembly
with one ha nd while lifting up on the
c over pla te with the other ha nd ma y
help. The positive (solid green) a nd
nega tive (green a nd bla c k) c a bles
a re still a tta c hed to the mid frequenc y
driver c over pla te termina ls. Remove
the c a bles from the termina ls simply by
pulling on the end of ea c h c a ble. Do not
forc e c a ble remova l, a lthough needle-
nose pliers ma y a id in tightly c rimped
c a bles.
4
Four sc rews a nd loc king wa shers ma y
be removed from the mid frequenc y
driver using the phillips hea d sc rewdriver.
C ontra ry to wha t the pic ture shows, the
sc rews a re a c tua lly a bout 2 3/4” down
from the top of the horn a ssembly. Also
note tha t the sc rews ma y be tighter tha n
usua l. Plea se DO NOT a dd WD-40 or a ny
other lubric a nt to help loosen the sc rews.
5
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17
Mid Frequency Driver replacement continued:
Keep the four sc rews a nd loc king
6
7
wa shers in a sa fe pla c e.
The mid frequenc y driver ea sily lifts right
off of the horn. Repla c e with the new
driver (pa rt #0013897) a nd follow the
sa me steps a s a bove, but ba c kwa rds 7
to 1. Power up the SA1532z a nd the new
driver should now be pumping out those
mids a ga in. Right on, you just repla c ed a
mid frequenc y driver!
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18
Amplifier Assembly replacement:
1
2
18
17
3
4
Keep the eighteen sc rews in a sa fe
pla c e.
2
3
16
15
14
5
6
7
8
13
12
9
11
10
The c overs ma y be worked loose by
wedging a fla t hea d sc rewdriver in
between the c a binet a nd the c over, a s
well a s the a mplifier a ssembly a nd c over.
Ma ke sure to get a round the entire c over
pla te in order to be a ble to remove
them.
Eighteen sc rews need to be removed
from the a mplifier a ssembly using the
phillips hea d sc rewdriver. The a mplifier
a ssembly is c a pped by two c over pla tes
outlined a bove.
1
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19
Amplifier assembly replacement continued:
1
1
2
3
5
6
7
4
The a mplifier a ssembly is now rea dy to
be sepa ra ted from the c a binet. Do not
c ompletely ta ke the a mplifier a ssembly
off yet, a s seven c a bles need to be
removed first (a s shown a bove):
(1) led PC B c a ble, (2) solid yellow,
(3) solid bla c k, (4) blue a nd bla c k,
(5) solid blue, (6) green a nd bla c k, a nd
(7) solid green. Do not forc e c a ble
remova l or c onnec tion, a lthough
needle-nose pliers ma y a id in loosening
the c rimped c a bles.
5
Caution: The a mplifier a ssembly is
a pproxima tely 23 pounds, so plea se
ma ke sure to gra sp it firmly.
2
Onc e the two c over pla tes a re removed,
4
two more sc rews need to be ta ken out in
order to sepa ra te the a mplifier a ssembly
from the c a binet. Keep the two sc rews in
a sa fe pla c e.
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20
Amplifier assembly replacement continued:
1
Edge of
amplifier
assembly
2
4
3
5
6
7
Edge of
amplifier
assembly
1
7
2 3 4 5 6
C loseups of the led PC B c a ble a nd
Now for the c loseups of the woofer a nd
driver termina ls. Ma ke sure the c a bles
a re rec onnec ted to the sa me termina ls
they were removed from (but on the
new a mplifier a ssembly). Onc e a ga in,
they a re: (2) solid yellow, (3) solid bla c k,
(4) blue a nd bla c k, (5) solid blue,
(6) green a nd bla c k, a nd (7) solid
green. Do not forc e c a ble remova l
or c onnec tion, a lthough needle-nose
pliers ma y a id in loosening the c rimped
c a bles.
6
c onnec tor a re shown a bove. The bla c k
wire of the c a ble is c losest to the ribbon
c a ble. The c a ble only fits in one wa y.
7
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21
Amplifier assembly replacement continued:
Pla c e the new a mplifier a ssembly
8
9
(pa rt #0013841-00) where the old one
wa s. Follow the sa me steps a s a bove,
but ba c kwa rds 7 to 1. Remove the
seria l number from the fa ulty a mplifier
a ssembly (a s shown in pic ture a bove)
a nd pla c e on the new a mplifier
a ssembly. Power up the SA1532z a nd
relish in the fa c t tha t you just repla c ed
a n a mplifier a ssembly. Ha ts off to you for
a job well done!
Important: The fa ulty a mplifier
a ssembly must be returned to LOUD
Tec hnologies. The a ddress should
be on the return shipping la bel tha t
wa s provided with the new a mplifier
a ssembly. If not, the return a ddress is a t
the top of this pa ge. Also, plea se write
the order number a nd servic e request
number (ex: 1046256-1203935) in big,
bla c k, bold numbers on the outside of
the box. This helps expedite the return.
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