Panasonic SA-BTT790EE / SC-BTT790EEK Service Manual ▷ View online
9
2.4.
Grounding for electrostatic breakdown prevention
As for parts that use optical pick-up (laser diode), the optical pick-up is destroyed by the static electricity of the working environ-
ment.
Repair in the working environment that is grounded.
ment.
Repair in the working environment that is grounded.
2.4.1.
Worktable grounding
• Put a conductive material (sheet) or iron sheet on the area where the optical pickup is placed, and ground the sheet.
2.4.2.
Human body grounding
• Use the anti-static wrist strap to discharge the static electricity form your body.
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3 Service Navigation
3.1.
Service Information
This service manual contains technical information which will allow service personnel’s to understand and service this model.
Please place orders using the parts list and not the drawing reference numbers.
Please place orders using the parts list and not the drawing reference numbers.
If the circuit is changed or modified, this information will be followed by supplement service manual to be filed with the original ser-
vice manual.
vice manual.
• Digital Circuitries:
1) This service manual does not contain the following information, due to the impossibility of servicing at component level.
O
Schematic Diagram, Block Diagram of Digital Circuitries on Digital P.C.B..
O
Replacement Parts List for individual parts of Digital Circuitries on Digital P.C.B..
O
Exploded View and Replacement Parts of individual parts of BD Mechanism Unit.
• WIFI P.C.B.
1) This service manual does not contain the following information, due to the impossibility of servicing at component level.
O
Schematic Diagram, Block Diagram and Print Circuit Diagram of WIFI P.C.B..
O
Replacement Parts List for individual parts of WIFI P.C.B..
• Wireless System
1) SA-BTT790EEK support to wireless surround speaker, SH-BTT790GCK.
SA-BTT790GNK support to wireless surround speaker, SA-BTT790GNK .
2) For information of wireless system, please refer to original service manual (Order No. PSG1203066AE (For SH-BTT790GCK)),
(Order No. PSG1203066AE (For SA-BTT790GNK))
SA-BTT790GNK support to wireless surround speaker, SA-BTT790GNK .
2) For information of wireless system, please refer to original service manual (Order No. PSG1203066AE (For SH-BTT790GCK)),
(Order No. PSG1203066AE (For SA-BTT790GNK))
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3.2.
How to update the Firmware
The firmware of the unit may be renewed to improve the quality including operational performance and playability. Make sure to
refer the following procedure when performing version-up.
refer the following procedure when performing version-up.
3.2.1.
Confirmation of the Firmware Version
Perform following steps to checking the firmware version currently installed in the unit.
1. Turn the unit on and wait the Home screen is displayed.
2. Select [Others]
2. Select [Others]
→
[Setup]
→
[System]
→
[System Information]
→
[Firmware Version Information].
3. Firmware Version Information screen is displayed.
3.2.2.
Updating Firmware
This unit has 2 updating method, one way to update via the internet, the other way to update using CD-R or USB device which is
stored pre-downloaded firmware update file.
stored pre-downloaded firmware update file.
3.2.2.1.
Updating firmware via the internet
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3.2.2.2.
Updating firmware using the USB device
When updating firmware using USB device, perform following procedures.
(When using CD-R instead of USB device, perform same procedures)
(When using CD-R instead of USB device, perform same procedures)
1. Download the latest firmware file of the unit.
The latest firmware required for version-up can be downloaded from “Support Information from NWBG/VDBG-PAVC” web-site
in “TSN system”.
Click file name to download.
After download, click file to decompress. (Total: 1 file).
in “TSN system”.
Click file name to download.
After download, click file to decompress. (Total: 1 file).
2. Decompress the downloaded file.
The decompressed file will be named as follows.
File Name: PANA_DVD.FRM
Copy the file to root folder of the USB device.
(If using CD-R instead of USB device, burn the file to a blank CD-R by writing software.)
File Name: PANA_DVD.FRM
Copy the file to root folder of the USB device.
(If using CD-R instead of USB device, burn the file to a blank CD-R by writing software.)
3. Update the unit.
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