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78
R/PRIN3
79
G/YIN3
80
B/PBIN3
83
BCLIN
85
RO
86
GO
87
BO
97
INT0/P0.5
98,99,102~109
P0.0~ P0.4
111~116,119,120
P1.0~P1.7,P2.0~P2.5,
122,123,126~ 128
P3.0~P3.3
UOCⅢ Internal Diagram：
CHAPTER
THREE
The chapter mainly introduces the receipt and dispose of the AV signal , the power
supply system and system control process of this TV.
Signal Flow Analysis
1.Video signal flow：
All manuals and user guides at all-guides.com
3rd R input / PR input
G input / Y input
3rd B input / PB input
beam current limiter input
Red output
Green output
Blue output
external interrupt 0 or port 0.5 (4 mA current sinking
direct drive of LEDs)
Data port
SIGNAL FLOW ANALYSIS AND KEY POINT
MEASURE DATA
24
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