Panasonic gp8du gph8du th-37px50u th-42pd50u th-42px50u th-42px500u th-50px50u th-50px500u troubleshooting Service Manual
Power On Operation
Figure 11
12
The momentary connection of the power switch to ground supplies a low to the base of
he R/C receiver receives the power on command of the remote control and outputs the
Q4001 (DG board) to turn it on. When Q4001 is on, a low is provided to pin 86 (Key
scan 3) of the microprocessor IC4005.
T
IR data to the amplifiers Q4006 and Q4007 of the DG board. The data is amplified and
output to pin 102 of the MPU, IC4005.
scan 3) of the microprocessor IC4005.
T
IR data to the amplifiers Q4006 and Q4007 of the DG board. The data is amplified and
output to pin 102 of the MPU, IC4005.
Figure 12