Pioneer DBR-TF100 Service Manual page 44

1
A
From Main
flowchart
Switch antenna power
ON in software
3.3V at
base of
B
Q1004?
NG
Omega or Q1004 NG.
Check and replace.
C
D
E
F
44
1
2
[Antenna Power Problems Troubleshooting Section (7)]
Check around
OK
Q1003/Q1002/R1063
Repair as necessary.
2
3
Antenna
power
OK?
OK
Return to main
flowchart
DBR-TF100
3
4
NG Disconnect
external antenna.
Antenna
OK
power
OK?
NG
Replace Tuner
4