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5VTO2.5V
WAVE(U6:3TO2)
12VTO1.8V
WAVE(L109TOC560)
5.9 Main IC key test points and its wave shape
X27M1:crysta
l Oscillator
C167:
C168:
Q10:Panel-
Dim
X27M2:crysta
l Oscillator
C503:
C524:
U14:
U14Main
Program
L85:DDRV1.8V
5VTOAV3.3V
WAVE(U31:3TO
2)
12VTO1.8V
WAVE(L109TOC560)
Q19:Reset
Transistor
U24
EEPROM
UpdateOnline:3.3v
R78,R80
19
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