Panasonic SA-BTT460GS / SA-BTT460PH / SA-BTT480EE / SA-BTT480GS / SC-BTT480EEK Service Manual ▷ View online
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Step 12 Insert the 45P FFC into the guides.
Caution: Do not exert strong force during inserting the 45P
FFC into the guides as it may damage or broken.
Caution: Do not exert strong force during inserting the 45P
FFC into the guides as it may damage or broken.
Step 13 Insert the OPU FFC Sheet into the Guide as show. A
“click” sound is heard when the OPU FFC is fully catched.
“click” sound is heard when the OPU FFC is fully catched.
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Step 14 Insert 4P FPC into the guides.
Step 15 Insert 5P FFC into the guides.
Caution: Do not exert strong force when inserting the FFC
into the guides as it may damage or broken.
Step 15 Insert 5P FFC into the guides.
Caution: Do not exert strong force when inserting the FFC
into the guides as it may damage or broken.
12.20.3. Checking point after replacement
of Traverse Unit
Step 1 When Traverse unit in up position. Ensure the gap
between Clamper and Mecha Chassis should more that 0.4mm
to prevent rubbing.
If the gap is less that 0.4mm condition, then proceed below
checking points of Dampers.
between Clamper and Mecha Chassis should more that 0.4mm
to prevent rubbing.
If the gap is less that 0.4mm condition, then proceed below
checking points of Dampers.
1. Damper at Mid Base
2. Damper at BD Mechanism
3. Damper at Traverse Unit
2. Damper at BD Mechanism
3. Damper at Traverse Unit
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12.21. Replacement of Optical Pickup
Unit
• Refer to “Disassembly of Traverse Unit”.
12.21.1. Disassembly of Optical Pickup
(OPU)
Step 1 Before removing the optical pick-up unit, please apply
an ESD prevention bag to the OPU FFC, and weld the shortcir-
cuit solder.
an ESD prevention bag to the OPU FFC, and weld the shortcir-
cuit solder.
a. Set the temperature of iron is 350
°
C
b. When using the iron head, do not apply a force more
than 1N to the pad. Do not touch any other compo-
nents around the welding spot.
nents around the welding spot.
c. Welding should be applied less than 3 times.
Step 2 Lift up the Connector Cover and take out the OPU FFC.
Caution: Do not use strong force as it may damage the
connector cover.
Caution: Do not use strong force as it may damage the
connector cover.
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Step 3 Insert the Screwdriver to the dampers as shown.
Step 4 Push up the Mid Base while screwdriver are inserted as
shown.
Step 5 Remove the Mid Base as shown.
Step 4 Push up the Mid Base while screwdriver are inserted as
shown.
Step 5 Remove the Mid Base as shown.
Step 6 Press down the Handle A of the two springs.
Step 7 Remove the shaft with OPU.
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