Panasonic PT-RS30K Service Manual page 71

SECTION 1 SERVICE INFORMATION
■ SERIAL IN/OUT does not respond
Check the cable connection of JK6103/JK6104 (SERIAL IN/
OUT).
The signal waveform can be detected at pins 10, 12, 16, 17 of
G
IC6123 when sending the serial commands.
G Replace [G]-P.C.Board.
■ REMOTE IN does not respond
Check the cable connection of JK6105 (REMOTE IN).
The signal waveform can be detected at pins 14 and 18 of
J
IC6102 when switching ON/Off with the contact controller.
G Replace [G]-P.C.Board.
■ Controls of side panel does not respond
Check the voltage (DC 3.3V) at pin 10 of connector [G17] when
G
the power is turned on.
G Check the cable connection between connectors [G17] and [S1].
G Check the voltage [DC 3V] at pins 6 to 8 of connector [G17].
G Replace [G]-P.C.Board.
OK
OK
OK
OK
OK
OK
OK
NG
Connect the connector firmly
NG
G Check IC6105 and peripheral circuit.
NG
Connect the connector firmly
NG
G Check IC6102 and peripheral circuit.
NG
G Replace [G]-P.C.Board.
NG
Replace cable.
NG
S Replace [S]-P.C.Board.
INF-61
<RZ31K/RS30K>