Panasonic VDR-D220E Service Manual page 41

No picture on EVF but LCD is normal
Check Connection of EVF FPC (FP91).
OK
Check the OPEN/CLOSE Switch on Side R Shaft
Unit.
OK
Check the voltage of Pin 6, 8, 10 and 18 of FP91 on
Main P.C.B.
Pin 6 (EVF-G) : 2.5V
Pin 8 (EVF-R) : 2.5V
Pin 10 (EVF-B) : 2.5V
Pin 18 (V-COM) : 2.2V
OK
Replace EVF Unit.
No picture on LCD but EVF is normal
Check Connection of Side R Shaft FPC (FP81)
on Main P.C.B.
OK
Check Connection of Side R Shaft FPC (FP6301)
and LCD Panel FPC (FP8102) on LCD Backlight
P.C.B.
OK
Check the OPEN/CLOSE Switch on Side R Shaft
Unit.
OK
Check the voltage of Pin 14, 21, 22 and 23 of FP81
on Main P.C.B.
Pin 14 (LCD_COM): 2.2V
Pin 21 (LCD-R): 2.5V
Pin 22 (LCD-G): 2.5V
Pin 23 (LCD-B): 2.5V
OK
Check the voltage of Pin 10, 11, 12 and 19 of FP6301
on LCD Backlight P.C.B.
Pin 10 (LCD-B): 2.5V
Pin 11 (LCD-G): 2.5V
Pin 12 (LCD-R): 2.5V
Pin 19 (LCD_COM): 2.2V
OK
Check LCD Backlight P.C.B.
OK
Replace LCD Panel Unit.
NG
NG
NG
NG
NG
NG
NG
NG
NG
41
Re-Insert EVF FPC.
Replace Side R Shaft Unit.
Replace Main P.C.B.
Re-Insert Side R Shaft FPC.
Re-Insert Side R Shaft FPC
or LCD Panel FPC.
Replace Side R Shaft Unit.
Replace Main P.C.B.
Replace Side R Shaft Unit.
Repair LCD Backlight P.C.B.