MDC-2200/2500 Series
Chapter 6 Troubleshooting and on-board repair
0092625002-07
6-15
6.3.2.8 Other errors
6.3.2.9 Antenna unit error
Yes
Yes
IF Amp. PCB failure
No
No
No
Modulator PCB failure
Yes
+12V and frame is
short-circuited.
Does status recover by
disconnecting P6 (J6) of
modulator PCB?
Does status recover by
disconnecting P6 (J6) of
modulator PCB?
Does status recover by
disconnecting P1 (J1) of
modulator PCB?
Performance monitor
failure
Antenna unit wiring failure
or Display unit failure
Yes
Main logic PCB failure
No
LCD monitor module
failure
Main logic PCB
failure
Character and graphics display error
Is following signal observed by connector J1-7 and J1-8 of
Display unit back panel?
Is LVDS signal appeared by J704
connector pin?
No
Yes
Main logic PCB
failure
Unstable or out of sync. display
124µs
48.4 µs
2.1 µs
[J1-7]
[J1-8]
16.66 ms
12 V
0 V
12 V
0 V
Summary of Contents for MDC-2200 series
Page 1: ......
Page 67: ...MDC 2200 2500 Series Chapter 5 Detailed setup and additional menu 0092625002 06 5 5 ATA EPA ...
Page 123: ......