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PSG1403012CE
Speaker System
Model No.
SB-AKX78PN
SB-AKW78PN
Product Color : (K)... Black Type
TABLE OF CONTENTS
PAGE
PAGE
1 Specifications
-----------------------------------------------------
2
2 Disassembly and Assembly Instructions
----------------
3
2.1. Front Speakers (SB-AKX78PN-K) -------------------- 4
2.2. Subwoofer Speaker (SB-AKW78PN-K) -------------- 7
3 Wiring Connection Diagram
----------------------------------
9
3.1. Front Speakers (SB-AKX78PN-K) -------------------- 9
3.2. Subwoofer Speaker (SB-AKW78PN-K) -------------- 9
4 Exploded View and Replacement Parts List
-----------
11
4.1. Front Speakers (SB-AKX78PN-K) Cabinet
Parts Location --------------------------------------------- 11
4.2. Subwoofer Speaker (SB-AKW78PN-K)
Cabinet Parts Location ----------------------------------12
4.3. Packaging (For SC-AKX78)----------------------------13
4.4. Packaging (For SC-AKX58)----------------------------14
4.5. Replacement Parts List ---------------------------------15
2
1 Specifications
Front Speakers (SB-AKX78PN-K)
Speaker unit(s)
Super Woofer
20 cm cone type
Woofer
8 cm cone type
Tweeter
6 cm cone type
Impedance
Hight 3
Ω
/ Low 3
Ω
Dimensions (W x H x D)
300 mm x 401 mm x 292 mm
Mass
6.1 kg
Subwoofer Speaker (SB-AKW78PN-K)
Speaker unit(s)
Super Woofer
25 cm Cone type
Impedance
2
Ω
Dimensions (W x H x D)
360 mm x 401 mm x 271 mm
Mass
Aprox. 7.7 kg
Notes:
1. Specifications are subject to change without notice.
Mass and dimensions are approximate.
2. Total harmonic distortion is measured by the digital spectrum ana-
lyzer.
3
2 Disassembly and Assembly Instructions
Caution Note:
• This section describes procedures for checking the operation and replacing the main components.
• For reassembly after operation checks or replacement, reverse the respective procedures.
• Special reassembly procedures are described only when required.
• Before carrying out the disassembly process, please ensure all the safety precautions & procedures are followed.
• During the disassembly and/or assembly process, please handle with care as there may be chassis components with sharp
edges.
• During replacement of component parts, please refer to the section of “Replacement Parts List” as described in the service man-
ual.
• Select items from the following indexes when disassembly or replacement are required.
Front Speakers (SB-AKX78PN-K)
• Disassembly of Front Panel Block
• Disassembly of Tweeter Speaker (SP1)
• Disassembly of Full Range Speaker (SP2)
• Disassembly of Woofer Speaker (SP3)
Woofer Speaker (SB-AKW78PN-K)
• Disassembly of Front Panel Block
• Disassembly of Woofer Speaker (SP61)
• Disassembly of Lighting Wire P.C.B. Assembly
4
2.1.
Front Speakers (SB-AKX78PN-K)
2.1.1.
Disassembly of Front Panel Block
Step 1 :
Remove 4 screws.
Step 2 :
Insert flathead screwdriver into the grooves.
Step 3 :
Apply light force to push open Front Panel Block as
arrow shown.
Step 4 :
Insert a steel rule between the Front Panel Block and
Speaker Cabinet Assembly.
Step 5 :
Detach Front Panel Block slightly.
Caution : Do not exert strong force as it may damage the
Front Panel Block.
Step 6 :
Detach speaker wire.
Step 7 :
Remove Front Panel Block.
5
2.1.2.
Disassembly of Tweeter Speaker
(SP1)
• Refer to “Disassembly of Front Panel Block”
Step 1 :
Remove 4 screws.
Step 2 :
Remove Tweeter Speaker (SP1).
2.1.3.
Disassembly of Full Range Speaker
(SP2)
• Refer to “Disassembly of Front Panel Block”
Step 1 :
Remove 4 screws.
Step 2 :
Slightly lift up Full Range Speaker (SP2).
Step 3 :
Detach speaker wire.
Step 4 :
Remove Full Range Speaker (SP2).
6
2.1.4.
Disassembly of Woofer Speaker
(SP3)
• Refer to “Disassembly of Front Panel Block”
Step 1 :
Remove 4 screws.
Step 2 :
Slightly lift up Woofer Speaker (SP3) as shown.
Step 3 :
Detach speaker wire.
Step 4 :
Remove Woofer Speaker (SP3).
7
2.2.
Subwoofer Speaker (SB-AKW78PN-K)
2.2.1.
Disassembly of Front Panel Block
Step 1 :
Remove 4 screws.
Step 2 :
Insert flathead screwdriver into the grooves.
Step 3 :
Apply light force to push open Front Panel Block as
arrow shown.
Step 4 :
Insert a steel rule between the Front Panel Block and
Speaker Cabinet Assembly.
Caution : Do not exert strong force as it may damage the
Front Panel Block.
Step 5 :
Detach Front Panel Block slightly.
Caution : Do not exert strong force as it may damage the
wiring within.
Step 6 :
Lift up himelon.
Caution : Replace himelon if they are torn during disas-
sembling.
Step 7:
Detach 2P Socket.
Step 8 :
Remove Front Panel Block.
8
2.2.2.
Disassembly of Woofer Speaker
(SP61)
• Refer to “Disassembly of Front Panel Block”
Step 1 :
Remove 4 screws.
Step 2 :
Slightly lift up Woofer Speaker (SP61) as shown.
Step 3 :
Detach speaker wire.
Step 4 :
Remove Woofer Speaker (SP61).
2.2.3.
Disassembly of Lighting Wire
P.C.B. Assembly
• Refer to “Disassembly of Front Panel Block”
Step 1 :
Remove 2 screws.
Step 2 :
Remove P.C.B. Cover.
Step 3 :
Remove 2 screws.
Step 4 :
Release 4P wire from Front Panel Block.
Caution : During assembling, inserted the 4P wire into the
opening of Front Panel Block as diagram shown.
Step 5 :
Remove Lighting Wire P.C.B. Assembly.
9
3 Wiring Connection Diagram
3.1.
Front Speakers (SB-AKX78PN-K)
3.2.
Subwoofer Speaker (SB-AKW78PN-K)
10
11
4 Exploded View and Replacement Parts List
4.1.
Front Speakers (SB-AKX78PN-K) Cabinet Parts Location
SP3
SP2
SP1
10
10
10
10
10
10
10
10
8
8
8
8
8
8
8
8
6
5
5
5
5
4
3
2-1
2
1-2
1-2
1-2
1-2
1-2
1-2
1-2
1-2
1-1
1
a
e
f
b
a
e
f
b
d
d
c
c
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
11
12
13
SB-AKX75P-K
SB-AKX78PN-K
CABINET DRAWINGS
12
4.2.
Subwoofer Speaker (SB-AKW78PN-K) Cabinet Parts Location
SP61
71
70
69
69
69
69
69
69
69
69
68
68
68
68
67
66
(LIGHTING P.C.B.)
65-1
65
64
64
64
64
64
64
64
64
64
64
64
64
63
62
61
c
a
a
b
b
c
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
11
12
13
SB-AKW75P-K
SB-AKW78PN-K
CABINET DRAWINGS
13
4.3.
Packaging (For SC-AKX78)
SB-AKX78PN
SB-AKX78PN
SB-AKW78PN
P4
*P3
*P3
P2
P2
*P1
*P1
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
11
12
13
*P3
POLYFOAM (TOP)
POLYFOAM (BOTTOM)
*P1
POLYFOAM (TOP)
POLYFOAM (BOTTOM)
SB-AKX78PN-K
SB-AKW78PN-K
FOR SC-AKX78
PACKAGING DRAWINGS
14
4.4.
Packaging (For SC-AKX58)
SB-AKX78PN
SB-AKX78PN
P2
P2
*P1
*P1
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
11
12
13
*P1
POLYFOAM (TOP)
POLYFOAM (BOTTOM)
SB-AKX78PN-K
FOR SC-AKX58
PACKAGING DRAWINGS
15
4.5.
Replacement Parts List
4.5.1.
Front Speakers (SB-AKX78PN-K)
4.5.2.
Subwoofer Speaker (SB-AKW78PN-
K)
Safety Ref. No.
Part No.
Part Name &
Description
Qty Remarks
CABINET AND
CHASSIS
1
RYP1986-K
FRONT PANEL ASSY
L
1
1
RYP1986A-K
FRONT PANEL ASSY
R
1
1-1
RGK2562-S
FRONT ORNAMENT
1
1-2
XTB3+10GFJ
SCREW
8
2
RYQ1303-K
SPEAKER CABINET
ASS’Y L
1
2-1
K1MY04A00003
SPEAKER CONNEC-
TOR HOUSING
(WHITE)
1
2
RYQ1303A-K
SPEAKER CABINET
ASS’Y R
1
2-1
K1MY04A00004
SPEAKER CONNEC-
TOR HOUSING
(RED)
1
3
RMQX0285-K
EVA PACKING
(FULL RANGE
SPEAKER)
1
4
RMQ2178
EVA PACKING
(WOOFER)
1
5
RKA0072-KJ
LEG CUSHION
4
6
RGN3460-K
SPEC LABEL L
1
6
RGN3460A-K
SPEC LABEL R
1
8
XTB4+10GFJ
SCREW
8
10
XTB4+16AFJK
SCREW
8
SPEAKERS
SP1
EAS6PH134A
TWEETER SPEAKER
(6CM)
1
SP2
L0AA08A00043
FULL RANGE
SPEAKER (8CM)
1
SP3
L0AA20A00034
WOOFER (20CM)
1
Safety Ref. No.
Part No.
Part Name &
Description
Qty Remarks
CABINET AND
CHASSIS
61
RGK2558-S
FRONT ORNAMENT
1
62
RGL0784-Q
LIGHTING PIECE
1
63
RGP1704-K
FRONT PANEL
1
64
XTB3+10GFJ
SCREW
12
65
RYQ1441D-K
SPEAKER CABINET
ASSY
1
65-1
RFKVBPT760-P
C0NNECTOR HOUS-
ING (PURPLE)
1
66
REE1844
LIGHTING WIRE
ASSY
1
67
RGN3465-K
SPEC LABEL
1
68
RKA0072-KJ
LEG RUBBER
4
69
XTB4+16AFJK
SCREW
8
70
RMQ2070
HIMELON
1
71
RMQ2208
EVA PACKING
(WOOFER)
1
SPEAKER
SP61
L0AA25A00026
WOOFER SPEAKER
(25CM)
1
16
4.5.3.
Packing Materials
IPSG1403
Safety Ref. No.
Part No.
Part Name &
Description
Qty Remarks
PACKING MATERI-
ALS
P1
RPN2654
POLYFOAM
1
P2
RPF0570-1
MIRAMAT BAG (FOR
SB-AKX78)
2
P3
RPN2660
POLYFOAM
1
P4
RPF0571-1
MIRAMAT BAG (FOR
SB-AKW78)
1
Safety Ref. No.
Part No.
Part Name &
Description
Qty Remarks