24
78
R/PRIN3
3rd R input / PR input
79
G/YIN3
G input / Y input
80
B/PBIN3
3rd B input / PB input
83
BCLIN
beam current limiter input
85 RO
Red
output
86 GO
Green
output
87 BO
Blue
output
97
INT0/P0.5
external interrupt 0 or port 0.5 (4 mA current sinking
direct drive of LEDs)
98,99,102~109
111~116,119,120
122,123,126~ 128
P0.0~ P0.4
P1.0~P1.7,P2.0~P2.5,
P3.0~P3.3
Data port
UOC
Ⅲ
Internal Diagram
:
CHAPTER THREE SIGNAL FLOW ANALYSIS AND KEY POINT
MEASURE DATA
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
: