Read Sharp 32JW-73H (serv.man2) Service Manual online
50Hz Widescreen Colour Television – GA20 Chassis
Sharp Electronics (UK) Ltd
Technical Support
Issued June 02
Page 17
LED’
S
This tri-colour LED has multi-functions and is controlled by the microprocessor (IC1001) by switching
the supply to the red section (Q2003) and switching the supply to the green section (Q2002).
Colour Flashing
Function
Red No
Standby
Red
Yes
Remote Control Operating
Orange No
Timer
Standby
Green No
On
To ensure that the LED is not effected by capacitor discharge when the mains is removed the standby
5v is past through a switch (Q2005) and the supply is now called LED 5v
IC2001, Q2001 and Q2006 ensures that when the mains is removed Q2005 turns off removing the
LED 5v supply.
Q2001
Q2006
Q2005
Q2002
Q2003
R2038
47k
R2035
47k
R2036
220R
R2041
47k
R2042
10k
R2044
1k8
R2029
10k
R2043
5k6
R2027
10k
R2028
10k
Q1009
R1072
10k
Q1010
R1073
47k
D2011
R
G
IC1001
Pin 85
IC1001
Pin
5v
Standby
LED
5v
IC2001
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