DOWNLOAD Panasonic SA-BTX70EB / SA-BTX70EG / SA-BTX68EF Service Manual ↓ Size: 10.33 MB | Pages: 127 in PDF or view online for FREE

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Step 2  Mount 2 screws onto rear shield.
Step 3  Mount 8 screws onto rear shield.
Caution: Please follow screwing sequence (A to J) to 
mount the screws onto front cabinet.

• Follow the (Step 1) to (Step 7) of Item 9.3.
• Follow the (Step 1) to (Step 8) of Item 9.4.
• Follow the (Step 1) to (Step 7) of Item 9.5.1.
• Follow the (Step 1) to (Step 3) of Item 9.8.1.

Step 1  Lift up Fan Sub Assembly.
Step 2  Detach 3P cable at the connector (CN5505) on D-Amp
P.C.B..
Step 3  Remove Fan Sub Assembly.

Caution: During assembling, ensure that Fan Sub Assem-
bly is seated properly at the locators.
 

• Disassembly of Fan Unit

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Step 4  Remove 2 screws.
Step 5  Remove Fan Unit.

• Follow the (Step 1) to (Step 6) of Item 9.3.
• Follow the (Step 1) to (Step 8) of Item 9.4.
• Follow the (Step 1) to (Step 7) of Item 9.5.1.
• Follow the (Step 1) to (Step 3) of Item 9.8.1.
• Follow the (Step 1) to (Step 3) of Item 9.9.

Step 1  Detach 11P wire at the connector (CN7001) on Main
P.C.B..
Caution: During assembling, press in 11P wire toward 
SMPS Sub Block to be away from heatsink unit A as dia-
gram shown.
Step 2  Detach 10P wire at the connector (CN801) on Main

P.C.B..
Step 3  Cut the lead clamper.
Caution: During assembling, press in 10P wire toward 
SMPS Sub Block to be away from heatsink unit A as dia-
gram shown; Use a lead clamper tie it to SMPS Sub Block.

Step 4  Detach 8P wire at the connector (CN5502) on D-Amp
P.C.B..
Caution: During assembling, press in 8P wire toward 
SMPS Sub Block to be away from heatsink unit A as dia-
gram shown.

Step 5  Remove 2 screws at SMPS Sub Block.

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Step 6  Remove 1 screws at SMPS Sub Block.
Step 7  Remove 1 screws at Left Chassis Unit.
Caution: Keep the EMC Angle in safe place. Avoid denting 
it, place it back during assembling.

Step 8  Remove 1 screw at SMPS Sub Block.

Step 9  Remove SMPS Sub Block.

• Follow the (Step 1) to (Step 7) of Item 9.3.
• Follow the (Step 1) to (Step 8) of Item 9.4.
• Follow the (Step 1) to (Step 7) of Item 9.5.1.
• Follow the (Step 1) to (Step 3) of Item 9.8.1.
• Follow the (Step 1) to (Step 3) of Item 9.9.
• Follow the (Step 1) to (Step 9) of Item 9.10.

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Step 1  Remove 1 screws.
Step 2  Release catches at both side of SMPS Sub Block.

Step 3  Remove SMPS Shield Upper.

Caution: During assembling, ensure that SMPS Shield 
Upper is fully catched onto SMPS Chassis Main.
 

Step 4  Remove 1 screw.
Step 5  Detach Tuner Pack gently in the direction of arrow (1).
Step 6  Lift up Tuner Pack in the direction of arrow (2).