Pioneer PDP-R03U Training Manual page 53

Is the M+10V signal (pins (1), (2) and (3) of P5701)
applied?
YES
Is the BS_POW (pin (4) of IC6702) terminal at HI?
YES
Does the BS3.3V line (pins (8), (9) and (10) of P5703)
function?
YES
Does the BS5V line (pins (6) and (7) of P5703)
function?
YES
NO
Is the BS antenna power setting at "ON"?
YES
Does the LNB_PWR line (pin (1) of P5704) function?
YES
Check the set's connector harnesses and FFCs
for their connections.
No BS power
NO
Make sure the harnesses (CN704 and P5701) are
properly connected.
NO
Check the BS_POW line.
NO
Check IC5703 and its peripheral circuits as well as
the BS3.3V line circuits.
NO
Check IC5704, Q5702 and their peripheral circuits as
well as the BS5V line circuits.
NO
Is the ANTPOW terminal (pin (30) of IC5704) at HI?
YES
Check IC5704, Q5704, IC5705 and
their peripheral circuits as well as the
LNB_POW line circuits.
YES
Check the ANTPOW line.