Panasonic SA-PM250EB / SA-PM250EC / SA-PM250EE / SA-PM250EF / SA-PM250EG (serv.man2) Service Manual ▷ View online
21
8 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 this 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.
• Be sure to use proper service tools , equipments or jigs during repair.
• Select items from the following indexes when disassembly or replacement are required.
• Be sure to use proper service tools , equipments or jigs during repair.
• Select items from the following indexes when disassembly or replacement are required.
• Disassembly of Top Cabinet Assembly
• Disassembly of Bluetooth P.C.B.
• Disassembly of Tuner P.C.B.
• Disassembly of SMPS Unit
• Disassembly of SMPS P.C.B.
• Disassembly of Front Panel Assembly
• Disassembly of Button P.C.B., Volume P.C.B. and Panel P.C.B.
• Disassembly of CD Lid
• Disassembly of Main P.C.B.
• Disassembly of CD Mechanism Unit
• Disassembly of CD Interface P.C.B.
• Disassembly of Bluetooth P.C.B.
• Disassembly of Tuner P.C.B.
• Disassembly of SMPS Unit
• Disassembly of SMPS P.C.B.
• Disassembly of Front Panel Assembly
• Disassembly of Button P.C.B., Volume P.C.B. and Panel P.C.B.
• Disassembly of CD Lid
• Disassembly of Main P.C.B.
• Disassembly of CD Mechanism Unit
• Disassembly of CD Interface P.C.B.
8.1.
Service Fixture & Tools
Prepare service tools before process service position.
8.2.
Disassembly flow chart
The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the ser-
vicing.
To assemble the unit, reverse the steps shown in the chart below.
vicing.
To assemble the unit, reverse the steps shown in the chart below.
Ref no.
Service Tools
Remarks
SFT1
Panel P.C.B. (CN900) - Main P.C.B. (CN112)
REEX1203 (13P FFC)
22
8.3.
Type of screws
8.4.
Main Parts Location Diagram
23
8.5.
Disassembly of Top Cabinet
Assembly
Assembly
Step 1 : Remove 4 screws.
Step 2 : Remove 2 screws.
Step 3 : Release catches.
Step 4 : Lift up Top Cabinet Assembly.
Step 4 : Lift up Top Cabinet Assembly.
24
Step 5 : Detach 9P FFC at connector (CN7001) on Bluetooth
P.C.B..
Step 6 : Remove Top Cabinet Assembly.
P.C.B..
Step 6 : Remove Top Cabinet Assembly.
8.6.
Disassembly of Bluetooth
P.C.B.
P.C.B.
• Refer to “Disassembly of Top Cabinet Assembly”
Step 1 : Remove 1 screw.
Step 2 : Remove Bluetooth P.C.B..
Step 2 : Remove Bluetooth P.C.B..
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