Panasonic SA-AK770PL, Service Manual

Page: 22 / 138

8.1. Caution
Below is the list of disassembly sections
8 Assembling and Disassembling
Special Note:
This model uses a new Mechanism unit (CR14C). In this following section does not contain the necessary disassembly &
assembly information for the Mechanism unit (CR14C) except the disassembly & assembly of traverse unit. Kindly refer to the
original service manual for the Mechanism unit. (Order No. MD0805031CE).
“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 (CR14C), ageing test is necessary. Please confirm operation for Mechanism Unit (CR14C).
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Disassembly of Top Cabinet
•
Disassembly of Mechanism Unit (CR14C)
•
Disassembly of Jupiter USB P.C.B.
•
Disassembly of Fan Unit
•
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., Side Bar (L) Led P.C.B. & Side Bar (R) Led
P.C.B.
•
Disassembly of Mic P.C.B.
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Disassembly of USB Connector/Led P.C.B.
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Disassembly of Music Port P.C.B.
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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
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Disassembly of Traverse Unit
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Disassembly of D-Amp P.C.B.
•
Replacement of Audio Digital Amp IC (IC5400)
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Replacement of Audio Digital Amp IC (IC5000)
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Replacement of Audio Digital Amp IC (IC5200)
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Disassembly of Main P.C.B.
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Replacement for Voltage Regulator IC (IC2761)
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Replacement for Switch Regulator (Q2751)
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Disassembly of SMPS P.C.B.
•
Replacement for Switch Regulator IC (IC5701)
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SA-AK770PL / SA-AK770GCP