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SB-G910
™ SCHEMATIC DIAGRAM
(This schematic diagram may be modified at any time with the development of new technology.)
SUPER
TWEETER
|
o
(|
x
Dk
wey
(20)
BLK
ORG
.
—m
jp
are
|
S
Input
@ SERVICING METHOD
Cabinet _
1. How to remove the attenuator switch (Fig. 1)
1) Using an eyeleteer or pincette, carefully remove the front
ornament
plate
from
the
cabinet
in
the
direction
indicated by the arrow (see Fig. 1).
(The front. ornament
plate is affixed with double-sided
adhesive tape.)
7
Front ornament
ry
RED
©
4) A
fn
WOOFER
ef
ALAS
G
2
—
frame and remove the ornament frame in the direction
indicated by the arrow. Remove the switch holder from
the cabinet.
|
Remove
the knob in the direction shown by the arrow
(See Fig. 3), by use of strong adhesive tape. Remove the
2 screws (Fig. 4:
@~@) from the attenuator holder. Then
remove the attenuator switch from the P.C.B. after taking
off the solder of the terminal.
2. How to remove the LED output level
1) Remove the ornament plate. (Refer to Section 1.)
:
2) Take out the LED assembly and the attenuator P.C.B.
from the cabinet. (Refer to Section 1-1).
3
—
3) Remove the solder from the LED and breaker terminals.
¢
ce
eotte
Rectes
Recseace
Then
remove
the
LED
and
the
breaker
from
the
attenuator P.C.B. (Fig. 4)
MEE
per
3. Connection
of speaker unit and direction of the
AEE
SHIT
terminals on the front side.
=
||
((2#EEBESEe
EA
a
[Own | toe | Owe | veiw | oy
[evn | own | ave | om | whe
:
Upper right
Right side
Right side
Attenuator
switch
PR
se"
ce
ofe
BLU MIDRANGE
S1-1: High level
—3dB
S1-2: High level
—-6dB
S1-3: MAX
3
@®: Non-Polar Capacitor
ewich noet
Remove the 4 screws (Fig. 2: @~@) of the ornament __ Plate
Fig. 1 Eyeleteer|
amen plate Ss "eo Ointment tan'
22)
LED
assembly &
ee
oe
ress: ~
Attenuator P.C.B.
Attenuator holder
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