Panasonic SA-AK270EB / SA-AK270EG Service Manual ▷ View online
9.1. Caution
Below is the list of disassembly sections
Below shown is part no. of different screws types used:
9 Assembling and Disassembling
Special Note:
This model uses a new Mechanism unit (CRS1). In this following section does not contain the necessary disassembly &
assembly information for the Mechanism unit (CRS1) except the disassembly & assembly of traverse unit. Kindly refer to the
original service manual for the Mechanism unit. (Order No. MD0509368C0).
assembly information for the Mechanism unit (CRS1) except the disassembly & assembly of traverse unit. Kindly refer to the
original service manual for the Mechanism unit. (Order No. MD0509368C0).
“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 “Replacement Parts List” (Section 23), if necessary.
Caution:
After replacing of Mechanism Unit (CRS1), ageing test is necessary. Please confirm operation for Mechanism Unit (CRS1).
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Disassembly of Top Cabinet
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Disassembly of Mechanism Unit (CRS1)
•
Disassembly of Rear Panel
•
Disassembly of Front Panel Unit
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Disassembly of Panel P.C.B., Tact Switch P.C.B. & Remote Sensor P.C.B.
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Disassembly of USB P.C.B.
•
Disassembly of Music Port P.C.B.
•
Disassembly of CD Lid
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Disassembly of Deck Mechanism Unit
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Disassembly of Deck P.C.B.
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Disassembly of Deck Mechanism
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Disassembly of Deck Mechanism P.C.B.
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Disassembly of Cassette Lid
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Rectification for Tape Jam Problem
•
Disassembly of Traverse Unit
•
Disassembly of D-Amp P.C.B.
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Replacement of Digital Power Amp IC
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Disassembly of Main P.C.B.
•
Replacement for Switch (Q2751)
•
Disassembly of SMPS P.C.B.
•
Replacement for Switch Regulator IC (IC5701)
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Replacement for Switch Regulator Diode (D5702)
•
Replacement for Regulator Diode (D5801)
•
Replacement for Regulator Diode (D5802)
•
Replacement for Regulator Diode (D5803)
•
Disassembly of AC Inlet P.C.B.
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SA-AK270EB / SA-AK270EG
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SA-AK270EB / SA-AK270EG
9.2. 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.
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SA-AK270EB / SA-AK270EG
9.3. Main Components and P.C.B. Location
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SA-AK270EB / SA-AK270EG
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