Panasonic DMR-UBS80EG Service Manual page 20

4. Digital P.C.B./Tuner/Main P.C.B. System Diagnosis
(1) IC communication on the digital P.C.B. (CPU and Flash/DDR/HDMI, etc.)
< Diagnosis Result >
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(2) IC Communication of TUNER System
< Diagnosis Result >
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No trouble found on the digital P.C.B.
Communication error between CPU and FLASH/DDR.
There is a high possibility of parts failure on the digital P.C.B.
Communication error between CPU and HDMI-LSI,
There is a high possibility of parts failure on the digital P.C.B.
Communication error between CPU and FLASH/DDR, and between CPU and HDMI-LSI.
Take measures of above "1" or "2".
HDMI-CEC circuit is not worked properly.
There is a high possibility of parts failure on the digital P.C.B.
Communication error between CPU and FLASH/DDR, and HDMI-CEC circuit is not worked
properly.
Take measures of above "1" and "4".
Communication error between CPU and HDMI-LSI, and HDMI-CEC circuit is not worked
properly.
Take measures of above "2" and "4".
Communication error between CPU and FLASH/DDR, between CPU and HDMI-LSI and HDMI-
CEC circuit is not worked properly.
Take measures of above "3" and "4".
Try to run self diagnosis again.
No communication error between digital tuner and IC.
Communication error between digital tuner (OFDM/digital modulation IC) and IC.
There is a high possibility of digital tuner (OFDM/digital modulation IC) defect, or communication
failure between ICs.
Communication error between the digital tuner (LNB/digital modulation IC) and IC.
There is a high possibility of digital tuner (LNB/Digital Modulation IC) defect, or communication
failure between ICs.
Communication error between digital tuner (OFDM/digital modulation IC) and IC,
Digital Tuner (LNB/Digital Tuner Modulation IC) and IC.
There is a high possibility of Digital Tuner (OFDM/Digital Modulation IC) defect,
Digital Tuner (LNB/Digital Modulation IC) defect, or a communication failure between ICs.
Try to run self diagnosis again.
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