Panasonic SB-AKX74PN Schematic
PSG1203052CE
Speaker System
Model No. SB-AKX54PNA
SB-AKX54PN
SB-WAKX74PN
SB-AKX54PN
SB-AKX74PN
Product Color : (K)... Black Type
TABLE OF CONTENTS
1 Service Navigation----------------------------------------------- 2
1.1. System Information (SB-AKX54PN-K), (SBAKX74PN-K)------------------------------------------------ 2
1.2. Speakers (SB-AKX54PN-K), (SBAKX54PNAK)----------------------------------------------- 2
1.3. Subwoofer Speaker (SB-WAKX74PNK) (For
AKX74PN-K) ----------------------------------------------- 2
2 Specifications ----------------------------------------------------- 3
3 Disassembly and Assembly Instructions ---------------- 4
3.1. Surround Speakers (SB-AKX54PN-K), (SBAKX54PNAK)----------------------------------------------- 5
3.2. Subwoofer Speaker (SB-WAKX74PNK) (For
AKX74PN)--------------------------------------------------- 9
3.3. Replacement of Speaker Connector Housing
(For SB-AKX54PN-K), (SB-AKX54PNAK) --------13
3.4. Replacement of Speaker Connector Housing
(For SB-WAKX74PNK) ---------------------------------14
4 Wiring Connection Diagram ---------------------------------15
4.1. Speakers (SB-AKX54PN-K), (SBAKX54PNAK)----------------------------------------------15
PAGE PAGE
4.2. Subwoofer Speaker (SB-WAKX74PNK) (For
AKX74PN) -------------------------------------------------15
5 Exploded View and Replacement Parts List----------- 17
5.1. Speakers (SB-AKX54PN-K), (SBAKX54PNAK) Cabinet Parts Location -------------17
5.2. Subwoofer Speaker (SB-WAKX74PNK)
Cabinet Parts Location --------------------------------- 18
5.3. (SB-AKX54PN-K), (SB-AKX74PN-K)
Packaging-------------------------------------------------- 19
5.4. Replacement Parts List--------------------------------- 21
© Panasonic Corporation 2012, All rights reserved.
Unauthorized copying and distribution is a violation of
law.
1 Service Navigation
1.1. System Information (SB-AKX54PN-K), (SB-AKX74PN-K)
Below is the System breakdown:
Speaker System SB-AKX54PN-K SB-AKX74PN-K
Speakers SB-AKX54PNAK SB-AKX54PN-K
Subwoofer Speaker - SB-WAKX74PNK
SB-AKX54PN-K is use for the following main models:
SC-AKX54GN-K
SC-AKX54PH-K
SC-AKX54PN-K
SB-AKX74PN-K is use for the following main models:
SC-AKX74PH-K
SC-AKX74PN-K
SC-AKX74PR-K
1.2. Speakers (SB-AKX54PN-K), (SB-AKX54PNAK)
The illustrations for the speakers will be described in this manual.
• Disassembly and Assembly Instructions
• Wiring Connection Diagram
• Exploded View
• Replacement Parts List
1.3. Subwoofer Speaker (SB-WAKX74PNK) (For AKX74PN-K)
The illustrations for the speaker will be described in this manual.
• Disassembly and Assembly Instructions
• Wiring Connection Diagram
• Exploded View
• Replacement Parts List
2
2 Specifications
Speakers (SB-AKX54PN-K), (SB-AKX54PNAK)
Type 3 way, 3 speaker system (Bass reflex)
Speaker unit(s)
Super Woofer 20 cm cone type
Woofer 10 cm cone type
Tweeter 6 cm cone type
Impedance 5 Ω (high), 4 Ω (low)
Output sound pressure 87 dB/W (1 m)
Frequency range 48 Hz to 26 kHz (-16 dB)
66 Hz to 20 kHz (-10 dB)
Dimensions (W x H x D) 250 mm x 429 mm x 274 mm
Mass 5.2 kg
Subwoofer Speaker (SB-WAKX74PNK), (For AKX74PN-K)
Type 1 way, 1 speaker system (Bass reflex)
Speaker unit(s)
Super Woofer 25 cm Cone type
Impedance 8 Ω
Output sound pressure 83 dB/W (1 m)
Frequency range 48 Hz to 250 Hz (-16 dB)
50 Hz to 200 Hz (-10 dB)
Dimensions (W x H x D) 320 mm x 400 mm x 274 mm
Mass 6.9 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 analyzer.
3
3 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 cha ssis components with sharp
edges.
• During replacement of component parts, please refer to the section of “Replacement Parts List” as described in the service manual.
• Select items from the following indexes when disassembly or replacement are required.
Speakers (SB-AKX54PN-K), (SB-AKX54PNAK)
Disassembly of Front Panel Assembly
Disassembly of Tweeter Speaker (SP1)
Disassembly of Full Range Speaker (SP2)
Disassembly of Woofer Speaker (SP3)
Woofer Speaker (SB-WAKX74PNK) (For AKX74PN)
Disassembly of Front Panel Assembly
Disassembly of Woofer Speaker (SP61)
Disassembly of Lighting Bar Assembly
4
3.1. Surround Speakers (SB-AKX54PN-K), (SB-AKX54PNAK)
3.1.1. Disassembly of Front Panel Assembly
Step 3 : Detach the Front Panel Assembly slightly as arrow
Step 1 : Remove 4 screws.
shown.
Caution : Do not exert strong force as it may damage the
wiring within.
Step 2 : Slightly push the Front Panel Assembly as arrow
shown.
Caution : Do not exert strong force as it may damage the
Front Panel Assembly.
Step 4 : Detach the (+) and (-) speaker wires.
5
Step 5 : Remove the Front Panel Assembly.
3.1.2. Disassembly of Tweeter Speaker (SP1)
• Refer to “Disassembly of Front Panel Assembly”.
Step 1: Remove 4 screws.
Step 2: Remove the Tweeter Speaker (SP1).
6
3.1.3. Disassembly of Full Range Speaker (SP2)
• Refer to “Disassembly of Front Panel Assembly”
Step 1 : Remove 4 screws.
Step 4 : Remove the Full Range Speaker (SP2).
Step 2 : Slightly lift up Full Range Speaker (SP2) as shown.
Step 3 : Detach the (+) and (-) speaker wires.
7
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