Panasonic SB-AKX72PN Schematic
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PSG1103048CE
Speaker System
Model No. SB-AKX52PN
SB-AKX52PNA
SB-WAKX72PN
SB-AKX72PN
Product Color : (K)... Black Type
TABLE OF CONTENTS
PAG E PAG E
1 Service Navigation ----------------------------------------------- 2
1.1. System Information (SB-AKX52PN-K/SB-
AKX72PN-K)------------------------------------------------ 2
1.2. Front Speakers (SB-AKX52PN/PNAK) -------------- 2
1.3. Subwoofer Speaker (SB-WAKX72PNK)------------- 2
2 Specifications ----------------------------------------------------- 3
3 Disassembly and Assembly Instructions ---------------- 4
3.1. Front Speakers (SB-AKX52PN/PNAK) -------------- 5
3.2. Subwoofer Speaker (SB-WAKX72PNK)------------- 8
3.3. Replacement of Speaker Connector Housing-----10
4 Wiring Connection Diagram ---------------------------------11
4.1. Front Speakers (SB-AKX52PN/PNAK) ------------- 11
4.2. Subwoofer Speaker (SB-WAKX72PNK)------------11
5 Exploded View and Replacement Parts List ----------- 13
5.1. Front Speakers (SB-AKX52PN/PNAK)
Cabinet Parts Location --------------------------------- 13
5.2. Subwoofer Speaker (SB-WAKX72PNK)
Cabinet Parts Location --------------------------------- 14
5.3. (SB-AKX52PN/PNAK/SB-WAKX72PNK)
Packaging-------------------------------------------------- 15
5.4. Replacement Parts List--------------------------------- 17
2
1 Service Navigation
1.1. System Information (SB-AKX52PN-K/SB-AKX72PN-K)
Below is the System breakdown:
SB-AKX52PN-K is use for the following main models:
SC-AKX52EB-K
SC-AKX52EG-K
SC-AKX52GN-K
SC-AKX52PH-K
SC-AKX52PN-K
SC-AKX52PR-K
SB-AKX72PN-K is use for the following main models:
SC-AKX72PH-K
SC-AKX72PN-K
SC-AKX72PR-K
1.2. Front Speakers (SB-AKX52PN/PNAK)
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-WAKX72PNK)
The illustrations for the speakers will be described in this manual.
• Disassembly and Assembly Instructions
• Wiring Connection Diagram
• Exploded View
• Replacement Parts List
Speaker System SB-AKX52PN-K SB-AKX72PN-K
Front Speakers SB-AKX52PN-K SB-AKX52PNAK
Subwoofer Speaker - SB-WAKX72PNK
3
2 Specifications
Front Speakers (SB-AKX52PN/PNAK)
Typ e 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 86 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 414 mm x 301 mm
Mass 5.6 kg
Subwoofer Speaker (SB-WAKX72PNK)
Typ e 1 way, 1 speaker system (Bass reflex)
Speaker unit(s)
Woofer 25 cm cone type
Impedance 8 Ω
Output sound pressure 82 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 414 mm x 327 mm
Mass 8.2 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.
4
3 Disassembly and Assembly Instructions
“ATTENTION SERVICER”
Some chassis components may have sharp edges. Be careful when disassembling and servicing.
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.
Select items from the following index when checks or replacement are required.
Refer to the Parts No. on the page of “Exploded View and Replacement Parts List” (Section 5), if necessary.
Below is the list of disassembly sections
Front Speakers (SB-AKX52PN/PNAK)
Disassembly of Front Panel Unit
Disassembly of Tweeter Speaker (SP1)
Disassembly of Full Range Speaker (SP2)
Disassembly of Woofer Speaker (SP3)
Subwoofer Speaker (SB-WAKX72PNK)
Disassembly of Front Panel Unit
Disassembly of Woofer Speaker (SP61)
5
3.1. Front Speakers (SB-AKX52PN/PNAK)
3.1.1. Disassembly of Front Panel Unit
Step 1: Remove 4 screws.
Step 2: Insert flathead screwdriver into the grooves and apply
light force to push the Front Panel Unit as arrow shown.
Step 3: Insert a steel rule in between the Front Panel Unit and
Speaker Box Assembly.
Caution: Do not exert strong force as it may damage the
Front Panel Unit.
Step 4: Detach the Front Panel Unit slighty as arrow shown.
Caution: Do not exert strong force as it may damage the
wiring within.
Step 5: Detach the Yellow (+) and Black (-) speaker wires.
6
Step 6: Remove the Front Panel Unit.
3.1.2. Disassembly of Tweeter Speaker
(SP1)
• Refer to “Disassembly of Front Panel Unit”.
Step 1: Remove 4 screws.
Step 2: Remove the Tweeter Speaker (SP1).
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