Panasonic SB-AK640P Service Manual ▷ View online
Type
3 way, 3 speaker system (Bass reflex)
Speaker(s)
Woofer
16 cm (6-1/2”) cone type
Tweeter
6 cm (2-3/8”) cone type
Super tweeter
Piezo type
Impedance
High
3
Ω
Low
3
Ω
Input power (IEC)
High
105 W (Max)
Low
105 W (Max)
Output sound pressure level
83 dB/W (1.0 m)
Cross over frequency
2 kHz, 10 kHz
Frequency range
37 Hz to 23 kHz (-16 dB)
44 Hz to 22 kHz (-10 dB)
Dimensions (W x H x D)
247 x 330 x 221 mm
(9-23/32” x 13” x 8-11/16”)
Mass
3.0 kg (6.6 Ib.)
1 Assembling and Disassembling
3
2005 Co. .
SB-AK640P
Colour
(S)... Silver Type
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.
analyzer.
3. The labels “HIGH” and “LOW” on the rear of the speakers refer to
High frequency and Low frequency.
High frequency and Low frequency.
nSystem : SC-AK640P-S
Music Center : SA-AK640P-S
Front Speaker : SB-AK640P-S
Subwoofer : SB-WAK640P-S
nSystem : SC-AK640PC-S
Music Center : SA-AK640PC-S
Front Speaker : SB-AK640P-S
Front Speaker : SB-WAK640P-S
1.1.
Disassembly flow chart
3
Speaker System
Specification
CONTENTS
Page
Page
ORDER NO. MD0512448C1
A6
1.2.
Disassembly of Front Panel Assembly
4
1.3.
Disassembly of Tweeter
4
1.4.
Disassembly of Piezzo Wire Assembly
4
1.5.
Disassembly of Woofer
5
1.6.
Disassembly of Woofer Spacer
6
1.7.
Disassembly of Speaker Cabinet Assembly
6
2 Connection of the Speaker Cables
7
3 Connection of the Wiring Diagram
8
4 Exploded view
8
4.1.
Cabinet Parts Location
8
4.2.
Packaging
9
5 Replacement Parts List
9
2
SB-AK640P
1 Assembling and Disassembling
“ATTENTION SERVICER”
Some chassis components may have sharp edges. Be careful when disassembling and servicing.
1. This section describes procedures for checking the operation of the major printed circuit boards and replacing the main
components.
2. For reassembly after operation checks or replacement, reverse the respective procedures.
Special reassembly procedures are described only when required.
3. Select items from the following index when checks or replacement are required.
4. Refer to the Parts No. on the page of “Parts Location and Replacement Parts List” (Section 5), if necessary.
4. Refer to the Parts No. on the page of “Parts Location and Replacement Parts List” (Section 5), if necessary.
Below is the list of disassembly sections
· Disassembly of Front Panel Assembly
· Disassembly of Tweeter
· Disassembly of Piezzo Wire Assembly
· Disassembly of Woofer
· Disassembly of Woofer Spacer
· Disassembly of Speaker Cabinet Assembly
· Disassembly of Tweeter
· Disassembly of Piezzo Wire Assembly
· Disassembly of Woofer
· Disassembly of Woofer Spacer
· Disassembly of Speaker Cabinet Assembly
1.1. Disassembly flow chart
The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the
servicing.
To assemble the unit, reverse the steps shown in the chart as below.
servicing.
To assemble the unit, reverse the steps shown in the chart as below.
3
SB-AK640P
Step 1: Remove 4 screws from Front Panel Assembly.
Step 2: Remove 4 screws from Side Panel.
Step 2: Remove 4 screws from Side Panel.
Step 3: Secure the Speaker Cabinet Assembly firmly, then
remove the Front Panel Assembly with Side Panel from the
Speaker Cabinet Assembly as shown in the picture.
remove the Front Panel Assembly with Side Panel from the
Speaker Cabinet Assembly as shown in the picture.
1.3. Disassembly of Tweeter
Follow (step 1) to (step 3) in item 1.2.
Step 1: Detach the (+) black/red, (-) blue/black wires from
Tweeter.
Tweeter.
Step 2: Remove 4 screws from Tweeter.
1.4. Disassembly of Piezzo Wire
Assembly
Follow (step 1) to (step 3) in item 1.2.
1.2. Disassembly of Front Panel Assembly
Note: The disassembly process illustration below is for the right speaker only.
4
SB-AK640P
