Assembling And Disassembling; Caution - Panasonic SA-VK470EE Service Manual

9 Assembling and Disassembling

9.1.

Caution

"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 25), if necessary.
5. This model uses CR14 Mechanism unit. This section includes disassembly & assembly procedures for traverse unit only. For
more information on the operation of CR14 mechanism, refer original service manual (Order No. MD0801004CE).
Caution:
After replacing of Mechanism Unit (CR14), ageing test is necessary. Please confirm operation for Mechanism Unit (CR14).
Below is the list of disassembly sections
• • • • Disassembly of Top Cabinet
• • • • Disassembly of Mechanism Unit (CR14)
• • • • Disassembly of Rear Panel
• • • • Disassembly of Front Panel Unit
• • • • 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) P.C.B.
• • • • Disassembly of Mic P.C.B.
• • • • Disassembly of USB P.C.B.
• • • • Disassembly of Music Port P.C.B.
• • • • Disassembly of CD Lid
• • • • Disassembly of Deck Mechanism Unit
• • • • Disassembly of Deck P.C.B.
• • • • Disassembly of Deck Mechanism
• • • • Disassembly of Deck Mechanism P.C.B.
• • • • Disassembly of Cassette Lid
• • • • Rectification for Tape Jam Problem
• • • • Disassembly of D-Amp P.C.B.
• • • • Replacement of Audio Digital Power Amp IC (IC5000)
• • • • Disassembly of Main P.C.B.
• • • • Disassembly of SMPS P.C.B.
• • • • Replacement for Switch Regulator IC (IC5701)
• • • • 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.
• • • • Disassembly of DVD Module P.C.B.
Below shown is part no. of different screws types used:
39
SA-VK470EE