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