Panasonic SB-PM45PC User manual

Type 2 way, 2 speaker system
Speaker (s)
Woofer 10 cm (4”) cone type 4 Ω
Tweeter 6 cm (2-3/8”) cone type 4 Ω
Impedance 4Ω
Input power (IEC) 20 W (Max)
Output sound pressure 76.56 dB/W (1.0 m)
Cross over frequency 4.3 kHz
Frequency range 43 Hz to 42 kHz (-16 dB)
52 Hz to 22 kHz (-10 dB)
1 System Combination 2
1.1. System Breakdown 2
2 Assembling and Disassembling 3
2.1. Disassembly of Net frame assembly 4
3 Connection of the Speaker Cables 5
©2007 Matsushita Electric Industrial Co. Ltd.. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
SB-PM45PC
Colour
(K)... Black Type
Dimensions (W x H x D) 138 x 227 x 141 mm
(5-7/16” x 8-15/16” x 5-9/16”)
Mass 1.4kg(3.1lb)
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.
4 Exploded view 6
4.1. Cabinet Parts Location 6
4.2. Packaging 7
5 Replacement Parts List 8
Speaker System
Specification
CONTENTS
Page Page
ORDER NO. MD0703028CE
A6

1 System Combination
1.1. System Breakdown
Note :
The table below show the breakdown for speaker combinations used in main unit systems.
System SC-PM45PC-K
Music center SA-PM45PC-K
Front speakers SB-PM45PC-K
2
SB-PM45PC

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 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.
Below is the list of disassembly sections
· Disassembly of Net frame assembly
3
SB-PM45PC

2.1. Disassembly of Net frame
assembly
Note: The disassembly process illustrates left speaker only. For
right speaker, the disassembly process is the same.
Step 1: Remove net frame assembly as arrow shown.
Step 2: Remove 4 net catchers.
4
SB-PM45PC

· Be sure to connect speaker cables before connecting the
AC power supply cord.
· The load impedance of any speaker used with this unit must
be 4 Ω.
· Be sure to connect the cable from the right speaker to the
right terminal and the cable from the left speaker to the left
terminal.
1. Twist and pull off the vinyl tip of the speaker cords. If the
speaker cords do not have vinyl tips, connect them directly
to the terminals. Make sure the bare ends of the wires are
not unravelled.
2. Insert the wire to the rear panel of the unit and close the
lever.
Notes :
· To prevent damage to circuitry, never short-circuit positive
(+) and negative (-) speaker wires.
· Be sure to connect only positive (red) wires to positive (+)
terminals and negative (black) wires to negative (-)
terminals.
Placement of speakers
3 Connection of the Speaker Cables
5
SB-PM45PC

4 Exploded view
4.1. Cabinet Parts Location
SB-PM45PC
6

4.2. Packaging
SB-PM45PC
7

5 Replacement Parts List
Notes :
· Important safety notice :
When replacing any of these components, be sure to use
only manufacturer’s specified parts shown in the parts list.
· [M] markings in the Remarks columns indicates parts
supplied by PAVCSG.
Ref.
No.
Part No. Part Name & Description Remarks
CABINET AND CHASSIS
1RFKHBPM45PCR SPEAKER CAB. ASS’Y R [M]
1RFKHBPM45PCL SPEAKER CAB. ASS’Y L [M]
2RYBV0049-K NET FRAME ASS’Y [M]
3RMG0520-H NET CATCHER [M]
4RKA0072-KJ LEG CUSHION [M]
5RGNV0327 SPEC LABEL [M]
PACKING MATERIALS
P1 RPNV0132 POLYFOAM [M]
P2 RPFV0056 MIRAMAT [M]
8
SB-PM45PC
FLE0703