Panasonic sb pm 3 p service manual

Page 1

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. Specia l reassembly procedures are described only when required. 3. Select items from the followingindex when checks or replacement are required. 4. Refer to the Parts No. on the page of Parts Location and Replac ement Parts List (Section 5), if necessary. Below is the list of disassembly sections · Disasse mbly of Net Frame Assembly · Disasse mbly of Woofer · Disasse mbly of Speak er 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. 2 SB-PM3P

Page 2

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 cabine t 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 flathea d screwdriver above the steel rule as shown. Step 5:Apply light force around the sides of speaker cabine t assembly to push up the net frame assembly. Caution: Do not exert strong force as it may damage the net frame assembly. 3 SB-PM3P