Panasonic SA-BTT270EB / SA-BTT270EE / SA-BTT270EG / SA-BTT270EP / SA-BTT270GN / SC-BTT270EEK Service Manual ▷ View online
49
10 Disassembly and Assembly Instructions
Caution Note:
• This section describes the disassembly and/or assembly procedures for all major printed circuit boards & main compo-
nents for the unit. (You may refer to the section of “Main components and P.C.B Locations” as described in the service
manual)
manual)
• Before carrying out the disassembly process, please ensure all the safety precautions & procedures are followed.
• During the disassembly and/or assembly process, please handle with care as there may be chassis components with
• During the disassembly and/or assembly process, please handle with care as there may be chassis components with
sharp edges.
• Avoid touching heatsinks due to its high temperature after prolong use. (See caution as described below)
• During disassembly and assembly, please ensure proper service tools, equipment or jigs is being used.
• During replacement of component parts, please refer to the section of “Replacement Parts List” as described in the ser-
• During replacement of component parts, please refer to the section of “Replacement Parts List” as described in the ser-
vice manual.
• Select items from the following indexes when disassembly or replacement are required.
• Disassembly of Top Cabinet
• Disassembly of Rear Panel
• Disassembly of Fan
• Disassembly of Front Panel Block Assembly
• Disassembly of Panel P.C.B
• Disassembly of Operation Button P.C.B.
• Disassembly of Power Button P.C.B.
• Replacement of iPod Cradle Assembly
• Disassembly of iPod P.C.B.
• Replacement of Front Lid Assembly
• Disassembly of BD Mechanism Unit (BRS1P)
• Disassembly of Dust Cover
• Replacement of Tray
• Replacement of Traverse Unit
• Disassembly of Top Cabinet
• Disassembly of Rear Panel
• Disassembly of Fan
• Disassembly of Front Panel Block Assembly
• Disassembly of Panel P.C.B
• Disassembly of Operation Button P.C.B.
• Disassembly of Power Button P.C.B.
• Replacement of iPod Cradle Assembly
• Disassembly of iPod P.C.B.
• Replacement of Front Lid Assembly
• Disassembly of BD Mechanism Unit (BRS1P)
• Disassembly of Dust Cover
• Replacement of Tray
• Replacement of Traverse Unit
(Note: This section is for reference only)
• Replacement of Slide Cam
• Replacement of Belt
• Replacement of Pulley Gear
• Replacement of Driver Gear
• Replacement of Loading P.C.B.
• Replacement of Loading Motor
• Disassembly of AC Inlet P.C.B.
• Disassembly of D-Amp P.C.B.
• Replacement of Digital Amplifier IC (IC5100/IC5200/IC5300)
• Disassembly of Digital P.C.B.
• Disassembly of AV P.C.B.
• Disassembly of SMPS P.C.B.
• Replacement of Switching Regulator IC (IC5701)
• Replacement of Rectifier Diode (D5702)
• Replacement of Thermal Diode (D5802)
• Replacement of Regulator Diode (D5803)
• Replacement of Belt
• Replacement of Pulley Gear
• Replacement of Driver Gear
• Replacement of Loading P.C.B.
• Replacement of Loading Motor
• Disassembly of AC Inlet P.C.B.
• Disassembly of D-Amp P.C.B.
• Replacement of Digital Amplifier IC (IC5100/IC5200/IC5300)
• Disassembly of Digital P.C.B.
• Disassembly of AV P.C.B.
• Disassembly of SMPS P.C.B.
• Replacement of Switching Regulator IC (IC5701)
• Replacement of Rectifier Diode (D5702)
• Replacement of Thermal Diode (D5802)
• Replacement of Regulator Diode (D5803)
50
10.1. Disassembly Flow Chart
10.4. Rear Panel
10.17. Digital P.C.B.
10.5. Fan
10.19. SMPS P.C.B.
10.14. AC Inlet P.C.B.
10.3.Top Cabinet
10.16. Digital Amplifier
IC
(IC5100/ IC5200/IC5300)
10.13. BD Mechanism Unit
(BRS1P)
10.13.1
10.13.2. Tray
10 .13.3 . Traverse Unit
. Dust cover
10.13.8. Loading P.C.B.
10.13.9. Loading Motor
Power Button P.C.B.
10.9.
10.20. Switching Regulator
IC (IC5701)
10.21. Rectifier Diode
(D5702)
10.22. Thermal Diode
(D5802)
10.23. Regulator Diode
(D5803)
10.6. Front Panel
Block Assembly
10.7. Panel P.C.B.
10.8. Operation Button
P.C.B.
10.11. iPod P.C.B.
10.12. Front Lid Assembly
10.18. AV P.C.B.
10.10. iPod Cradle
Assembly
10.15. D-Amp P.C.B.
10 .13.4 . Slide Cam
10 .13.5 . Belt
10 .13.6 . Pulley Gear
10 .13.7 . Driver Gear
51
10.2. Main Components and P.C.B. Locations
52
10.3. Disassembly of Top Cabinet
Step 1 Remove 2 screws.
Step 2 Remove 3 screws.
Step 3 Slightly pull both side of Top Cabinet in outward direc-
tion as diagram shown.
tion as diagram shown.
Step 4 Lift up back of Top Cabinet about 30
°
.
Step 5 Press location A in downward direction at Front Panel.
Step 6 Remove the Top Cabinet as arrow shown.
Caution: Replace the SMPS P.C.B. Top Insulator if broken.
Ensure it is pasted properly on Top Cabinet as diagram
shown.
Ensure it is pasted properly on Top Cabinet as diagram
shown.
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