Panasonic SB-HF250E Service Manual ▷ View online
Type
1 way, 1 speaker system (Bass reflex)
Speaker unit(s)
Impedance 3
Ω
Full range
6.5 cm cone type
Input power (IEC)
125 W* (Max)
Output sound pressure
80 dB/W (1.0 m)
Frequency range
87 Hz to 25 kHz (-16 dB)
98 Hz to 22 kHz (-10 dB)
Dimensions (W x H x D)
252 x 1123 x 234 mm
SB-HF250E
Colour
(S)... Silver Type
Mass
3.7 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.
analyzer.
* : Rating with low-cut filter equipped amplifier.
Speaker System
Specification
ORDER NO. MD0704022CE
1 System Combination
1.1. System Breakdown
Note :
The tables below show the breakdown for speaker combinations used in main unit systems.
1.1.1. For SB-HF250E-S
System SC-PT250E-S
Music center
Music center
SA-PT250E-S
Front speaker
SB-HF250E-S
Surround speaker
SB-HS250E-S
Center speaker
SB-HC250E-S
Subwoofer
SB-HW250E-S
System SC-PT250EE-S
Music center
Music center
SA-PT250EE-S
Front speaker
SB-HF250E-S
Surround speaker
SB-HS250E-S
Center speaker
SB-HC250E-S
Subwoofer
SB-HW250E-S
System SC-PT250EG-S
Music center
Music center
SA-PT250EG-S
Front speaker
SB-HF250E-S
Surround speaker
SB-HS250E-S
Center speaker
SB-HC250E-S
Subwoofer
SB-HW250E-S
System SC-PT250GC-S
Music center
Music center
SA-PT250GC-S
Front speaker
SB-HF250E-S
Surround speaker
SB-HS250E-S
Center speaker
SB-HC250E-S
Subwoofer
SB-HW250E-S
System SC-PT250GCP-S
Music center
Music center
SA-PT250GCP-S
Front speaker
SB-HF250E-S
Surround speaker
SB-HS250E-S
Center speaker
SB-HC250E-S
Subwoofer
SB-HW250E-S
Note: SB-PT250E-S consists of SB-HF250E-S (x2), SB-HS250E-S (x2), SB-HC250E-S (x1)
System SC-PT250GCSS-S
Music center
Music center
SA-PT250GCSS-S
Front speaker
SB-HF250E-S
Surround speaker
SB-HS250E-S
Center speaker
SB-HC250E-S
Subwoofer
SB-HW250E-S
System SC-PT250GCTS-S
Music center
Music center
SA-PT250GCTS-S
Front speaker
SB-HF250E-S
Surround speaker
SB-HS250E-S
Center speaker
SB-HC250E-S
Subwoofer
SB-HW250E-S
System SC-PT250GS-S
Music center
Music center
SA-PT250GS-S
Front speaker
SB-HF250E-S
Surround speaker
SB-HS250E-S
Center speaker
SB-HC250E-S
Subwoofer
SB-HW250E-S
2
SB-HF250E
2 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 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 6), if necessary.
Below is the list of disassembly sections
•
Disassembly of Upper box assembly
•
Disassembly of Upper rear cabinet assembly
•
Disassembly of Woofer
•
Disassembly of Terminal jack
•
Disassembly of Lower box assembly
•
Disassembly of Lower rear cabinet assembly
•
Disassembly of Lower base stand assembly
2.1. Disassembly flow chart
The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the
servicing.
servicing.
To assemble the unit, reverse the steps shown in the chart as below.
3
SB-HF250E
2.2. Disassembly of Upper box
assembly
Step 1: Remove the white (+) and blue (-) wires.
Step 2: Pull out the speaker cable from the groove.
Step 3: Remove 1 screw.
Step 4: Remove the upper box assembly unit as arrow shown.
2.3. Disassembly of Upper rear
cabinet assembly
Follow (step 1) to (step 4) in item 2.2.
Step 1: Remove 10 screws.
Step 2: Lift up the upper rear cabinet assembly as arrow
shown.
shown.
Step 3: Detach wire assembly to remove it.
4
SB-HF250E