Panasonic SB-PM23P Service Manual ▷ View online
Type
1 way, 1 speaker system
Speaker(s)
Full range
10 cm (4”) twin cone type (6
Ω)
Impedance
6
Ω
Input power (IEC)
20 W (Max)
Output sound pressure
83 dB/W (1.0 m)
Frequency range
51 Hz to 23 kHz (-16 dB)
83 Hz to 22 kHz (-10 dB)
Dimensions (W x H x D)
139 x 227 x 136 mm
(5-15/32” x 8-15/16” x 5-11/32”)
Mass
1.3 kg (2.9 Ib.)
Notes :
1. Specifications are subject to change without notice.
1 Assembling and Disassembling
3
1.1.
Disassembly flow chart
3
1.2.
Disassembly of Net Frame Assembly
4
1.3.
Disassembly of Woofer
5
1.4.
Assembly of Speaker unit
6
2005 Co. .
SB-PM23P
Colour
(M)... Wood Type
Mass and dimensions are approximate.
2. Total harmonic distortion is measured by the digital spectrum
analyzer.
analyzer.
nSystem : SC-PM23P-S
Music Center : SA-PM23P-S
Front Speaker : SB-PM23P-M
nSystem : SC-PM23PC-S
Music Center : SA-PM23PC-S
Front Speaker : SB-PM23P-M
2 Connection of the Speaker Cables
7
3 Connection of the Wiring Diagram
8
4 Cabinet Parts Location
8
4.1.
Exploded view
8
4.2.
Packaging
9
Speaker System
Specification
CONTENTS
Page
Page
ORDER NO. MD0512490C1
A6
5 Replacement Parts List
9
2
SB-PM23P
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 Net Frame Assembly
· Disassembly of Woofer
· Disassembly of Speaker Cabinet Assembly
· Disassembly of Woofer
· 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-PM23P
1.2. Disassembly of Net Frame
Assembly
Step 1: Upset the Speaker unit as shown above.
Step 2: Insert a steel rule into the grooves of Speaker Cabinet
Assembly. Push the steel rule foward and backward as arrow
shown.
Caution:
Do not exert strong force as it may damage the Net Frame
Assembly.
Step 2: Insert a steel rule into the grooves of Speaker Cabinet
Assembly. Push the steel rule foward and backward as arrow
shown.
Caution:
Do not exert strong force as it may damage the Net Frame
Assembly.
Step 3: Upset the Speaker unit as shown above.
Step 4: Insert a flathead screwdriver above the steel rule as
shown.
Step 4: Insert a flathead screwdriver above the steel rule as
shown.
Step 5: Apply light force around the sides of Speaker Cabinet
Assembly to push up the Net Frame Assembly.
Caution:
Do not exert strong force as it may damage the Net Frame
Assembly.
Assembly to push up the Net Frame Assembly.
Caution:
Do not exert strong force as it may damage the Net Frame
Assembly.
4
SB-PM23P