Panasonic Lumix DMC-GH4A, Service Manual, Page: 65 / 130

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1. When it can turn on power, and the adjustment software can communicate with the camera body:
• Before replacing, proceed the Flash-ROM (IC6003) data backup from the unit. After replacing, overwrite the Flash-ROM
(IC6003) data with backup data from the unit, before proceeding the main body adjustment.
2. When it cannot turn on power, or the adjustment software cannot communicate with the camera body:
• The readjustment of mount box unit etc. are necessary.
• Refer to the adjustment instruction in the adjustment software for details.
*3 NOTE: (After Exchange the Mount Box Unit)
• Execute the resolution inspection by the comparison with the standard model (DMC-G1K etc.: operates normal).
• Refer to the adjustment instruction in the adjustment software for details.
*4
• Confirm self recording/playback motion picture of AVCHD mode by the LCD.
• Confirm it on the TV with HDMI socket when repair HDMI relation.
* There are no LCD adjustment model.
*5 NOTE: (When AWB Adjustment)
• After change to WB adjustment mode for service with software, the adjustment is executed.
After adjusting the AWB adjustment, to cancel the WB adjustment mode for service.
• Details, refer to the instructions in the adjustment software.
*6 About the G sensor Adjustment
• Offset adjustment for built in electronic level (tilt sensor).
Refer to the adjustment instruction in the adjustment software for details.
*7 NOTE: (Initialization Data of NFC)
Make sure to perform the following procedure (from 1 to 4).
*NFC IC and Main P.C.B. have no initialization data.
So, make sure to perform Initial Setting of NFC.
*NFC IC may lose the initialization data due to heat during repair process.
Therefore, make sure to perform Initial Setting of NFC when the component parts on Main P.C.B. are replaced.
1. After inserting a memory card, release the Initial Settings.
2. After execute [ MENU ]
→
[ Setup ]
→
[ ROM BACKUP ]
→
[ NFC RESET ], turn off. Then, turn on again.
3. Switch [ NFC Operation ] to [ ON ]. ( [ MENU ]
→
[ Setup ]
→
[ Wi-Fi ]
→
[ Wi-Fi Setup ]
→
[ NFC Operation ] )
*If [ NFC Operation ] is [ ON ], change it to [ OFF ] once. Then, change it to [ ON ].
4. Perform the Initial Settings operation. (Refer to 3.6.2. Initial Settings.)
*The default setting of [ NFC Operation ] is [ ON ].
About the 3D Interchangeable Lens (H-FT012) Correspondence
This unit has no special structure (circuit or part) for the 3D interchangeable lens correspondence, only by software is processed
the 3D interchangeable lens correspondence.
Therefore, if taken with other lenses as usual, the 3D interchangeable lens is no problem for operation.
About motion pictures in 4K
There are no special circuits and no special parts for motion pictures in 4K.
Therefore, if motion pictures in VGA or HD mode are normally recorded, motion pictures in 4K are usually all right.