Panasonic SB-FS740P Service Manual ▷ View online
Type
2 way, 2 speaker system (Bass-ref.)
Speaker unit
Impedance 4
Ω
Woofer
6.5 cm (2-
1
/
2
”) Cone type
Tweeter
6 cm (2-
3
/
8
”) Cone type
Input power (IEC)
90 W* (Max)
Output sound pressure level
81 dB/W (1.0 m)
Cross over frequency
6 kHz
Frequency range
82 Hz - 41 kHz (-16 dB)
95 Hz - 40 kHz (-10 dB)
Dimensions (W x H x D)
252 mm x 1123 mm x 234 mm
9-
29
/
32
” x 44-
7
/
32
” x 9-
7
/
32
”
Mass
3.7 kg (8.2 lbs)
*Rating with low-cut filter equipped amplifier
Notes :
1.
Specifications are subject to change without notice.
Mass and dimensions are approximate.
Mass and dimensions are approximate.
2.
Total harmonic distortion is measured by the digital spectrum
analyzer.
analyzer.
n System : SC-HT740P-S
Music Center : SA-HT740P-S
2005 Co. .
SB-FS740P
Colour
(S)... Silver Type
Front Speaker : SB-FS740P-S
Surround Speaker : SB-FS741P-S
Center Speaker : SB-PC740P-S
Subwoofer : SB-W740P-S
n System : SC-HT740PC-S
Music Center : SA-HT740PC-S
Front Speaker : SB-FS740P-S
Surround Speaker : SB-FS741P-S
Center Speaker : SB-PC740P-S
Subwoofer : SB-W740P-S
n System : SC-HT740PX-S
Music Center : SA-HT740PX-S
Front Speaker : SB-FS740P-S
Surround Speaker : SB-FS741P-S
Center Speaker : SB-PC740P-S
Subwoofer : SB-W740P-S
n System : SC-HT740GCPS
Music Center : SA-HT740GCPS
Front Speaker : SB-FS740P-S
Surround Speaker : SB-FS741P-S
Center Speaker : SB-PC740P-S
Subwoofer : SB-W740P-S
Speaker System
Specification
ORDER NO. MD0512487C7
A6
1 Assembling and Disassembling
3
1.1.
Disassembly flow chart
3
1.2.
Disassembly of Upper Box Assembly
4
1.3.
Disassembly of Front Speaker
4
1.4.
Disassembly of Tweeter
5
1.5.
Disassembly of Woofer
6
1.6.
Disassembly of Terminal Jack
7
1.7.
Disassembly of Lower Box Assembly
8
1.8.
Disassembly of Lower Rear Cabinet Assembly
8
1.9.
Disassembly of Base Stand Assembly
9
2 Connection of the Speaker Cables
10
3 Connection of Wiring Diagram
13
4 Exploded view
14
4.1.
Cabinet Parts Location
14
4.2.
Packaging
15
5 Replacement Parts List
16
CONTENTS
Page
Page
2
SB-FS740P
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 Upper Box Assembly
· Disassembly of Front Speaker
· Disassembly of Tweeter
· Disassembly of Woofer
· Disassembly of Terminal Jack
· Disassembly of Lower Box Assembly
· Disassembly of Lower Rear Cabinet Assembly
· Disassembly of Speaker Base Stand
· Disassembly of Front Speaker
· Disassembly of Tweeter
· Disassembly of Woofer
· Disassembly of Terminal Jack
· Disassembly of Lower Box Assembly
· Disassembly of Lower Rear Cabinet Assembly
· Disassembly of Speaker Base Stand
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-FS740P
Step 1: Remove the (+) white and (-) blue wires from the Upper
Rear Cabinet Assembly.
Step 2: Pull out the Speaker Cable from the groove.
Rear Cabinet Assembly.
Step 2: Pull out the Speaker Cable from the groove.
Step 3: Remove 1 screw from the Upper Rear Cabinet
Assembly.
Assembly.
Step 4: Take out the Front Speaker Unit as arrow shown.
1.3. Disassembly of Front Speaker
Follow (step 1) to (step 4) in Item 1.2.
Step 1: Remove 10 screws from the Upper Rear Cabinet
Assembly .
Assembly .
1.2. Disassembly of Upper Box Assembly
4
SB-FS740P