Panasonic PT-EZ770Z - Switching on;off the projector

INF-39
SECTION 1 SERVICE INFORMATION
■ Remote control does not respond (Not respond only from rear side of the projector)
■ Remote control does not respond (Not respond only from front side of the projector)
■ SERIAL IN does not respond
A
Checkthewaveformatpin1ofRM1001whentheremotecontrol
button is pressed.
NG
A CheckRM1001andperipheralcircuits
A
Thesignalwaveformcanbedetectedatpin1ofRM3101when
the remote control button is pressed.
NG
A CheckRM3101andperipheralcircuits
A CheckthecableconnectionofJK4005(SERIALIN)
NG
A Connect the connector securely
A Check the cable connection between [V1] - [A27]
NG
Replacethecable
A
The signal waveform can be detected at pins 13, 15 and 17 of
IC4002 when the serial command is transmitted.
NG
A Check IC4002 and peripheral circuits
A
Check the waveform at L1182 when the remote control button is
pressed.
NG
V Replace[V]-P.C.Board
A ChecktheFPCcablebetween[J1]-[A28]
NG
ReplacetheFPCcable
A
The signal waveform can be detected at L1198 and L1199 when
the serial command is transmitted.
NG
J Replace[J]-P.C.Board
A Replace[A]-P.C.Board
A Replace[A]-P.C.Board
A Replace[A]-P.C.Board
OK
OK
OK
OK
OK
OK
OK
OK