Panasonic SA-HE90E / SA-HE90EB / SA-HE90EG Service Manual ▷ View online
7.2.1 Replacement of the Power IC and
Regulator Transistor
Regulator Transistor
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Step 1
Remove the top cabinet.
Step 2
Cut the joints as shown below. (6 joints)
Step 3
Fold the joints. (6 joints)
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Step 4
Desolder the terminals of Power IC and Regulator Transistor.
Step 5
Remove all the screws.
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7.2.2 Installation of the bottom cover
after replacement
after replacement
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Step 1
Upset the bottom cover.
Step 2
Align the ribs of bottom cover into the bugs.
Step 3
Prepare the screws to fix the bottom cover.
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8.1.1 Display Content
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Item
Abnormal Status
Error Display
Low Frequency
Abnormal power amp output
F61
Abnormal communication between peripheral LST and Micro Computer
F70
Power Supply Display Abnormal Stabilized power supply
F76
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