July 2010 LCD TV 47LE8500
83
Main Board Connector P8800 to Speakers Voltage and Diode CheckMain Board Connector P8800 to Speakers Voltage and Diode Check
Diode Mode values taken with all Connectors Removed
P8800 CONNECTOR "Main" to "Speakers"
SPK-L(+)
SPK-L(-)
SPK-R(+)
SPK-R(-)
LABEL
Open12.3V0V4
Open12.3V0V3
Open12.3V0V2
Open12.3V0V1
Diode CheckRunSBYPin
Use speaker out to test for defective Audio Amp IC8801
Note: (Normal, ½ Audio B+)

P8800

Q8800
Amp Mute
Audio B+
24V
Pins 49-52
Mute
Pin 25
Q8800 (Mute) Active Low.
Normal 3.3V Collector to Pin 25

IC8801

IC8800
Amp
1.8V

(1)

Leandro Palmeira
Downloaded From TV-Manual.com Manuals