Panasonic SB-AKX78PN Manual de usuario

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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

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.

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

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.

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).

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).

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.

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.

3 Wiring Connection Diagram

3.1. Front Speakers (SB-AKX78PN-K)

3.2. Subwoofer Speaker (SB-AKW78PN-K)

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