6
6
XVM-R75
2-2. BLOCK DIAGRAM — B/L (DISPLAY) SECTION —
CURRENT
DETECT
Q37
SWITCHNG
Q38,39
+11V REG
Q1,3
KEY MATRIX
K1-K5
SWITCHNG
Q35
SWITCHNG
Q36
VR19
AUDIO
LEVEL
L
VR18
AUDIO
LEVEL
R
AL IN
AR IN
AUDIO LEVEL
U13
SYSTEM CONTROL
U505 (2/4)
BATT
TFT ON
DIMMER
KEY0
FT ON SW
Q40,41
D15-17
D18-20
LED
DRIVER
Q25
D15-20
(AUDIO LEVEL)
B+12V
F3
BACK LIGHT CONTROL
U17
BACK
LIGHT
D31
D34
L20
LED DRIVER
Q24
B+12V
(Page 5)
Содержание XVM-R75
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