
27
7.2.
Checking Method of Drive Circuit
• It is a circuit operation and a check method when optional external live viewfinder (DMW-LVF1) is attached.
[Circuit Operation]
• When DMW-LVF1 is attached, DMC-GF2 supplies the power supply, the drive signal, and clock signals, etc. to DMW-LVF1.
1. When DMW-LVF1 is attached, 17pin of FP9005 becomes 'Lo' (GND). -------- [1]
2. IC6001(VENUS) detects the installation by IC6011(BUS BUFF). -------- [2]
3. 2, 5, 19, and 6pin of IC6004 are 'Hi' according to signal from IC6001 at DMW-LVF1 display mode. -------- [3]
4. 2.5V is outputted from 5pin of IC9003. -------- [4]
5. 5V is outputted from 3pin of QR9002. -------- [5]
6. The drive signal is outputted from 11-18pin of IC9001. -------- [6]
7. Clock signals etc. are outputted from 3, 6, 8, and 11pin of IC9009. -------- [7]
8. The display changes whenever the [LVF/LCD] switch button of DMW-LVF1 is pressed. -------- [8]
* As for the switch with the [LVF/LCD] button, the power supply of DMC-GF2 of turning off is maintained.
Содержание Lumix DMC-GF2KPP
Страница 3: ...3 11 3 General description Lens cleaning Interchangeable Lens H FS014042 53 ...
Страница 17: ...17 4 Specifications ...
Страница 23: ...23 7 Troubleshooting Guide 7 1 Checking Method of Body and Interchangeable Lens ...
Страница 24: ...24 ...
Страница 25: ...25 ...
Страница 26: ...26 ...
Страница 34: ...34 9 1 3 1 Removal of the Rear Case Unit Fig D1 ...
Страница 35: ...35 Fig D2 9 1 3 2 Removal of the LCD Unit Fig D3 ...
Страница 36: ...36 Fig D4 9 1 3 3 Removal of the Main P C B Fig D5 ...
Страница 37: ...37 Fig D6 9 1 3 4 Removal of the Front Case Mount Box Unit Fig D7 Fig D8 ...
Страница 38: ...38 9 1 3 5 Removal of the Mount Box Unit Fig D9 9 1 3 6 Removal of the Flash Sub P C B Fig D10 ...
Страница 39: ...39 Fig D11 9 1 3 7 Removal of the Top Case Flash Unit Fig D12 ...
Страница 41: ...41 Fig D16 9 1 3 11 Removal of the AF LED P C B Fig D17 9 1 3 12 Removal of the Flash P C B Fig D18 ...
Страница 47: ...47 Fig K1 ...