Panasonic DMR-UBS80EG, Service Manual

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3.11. Check with Tuner Service Mode
Inspect the inside components using the application for inspections by service personnel.
Main functions
1. Execute Tuner Service Mode
1) Turn the power on to receive digital broadcasting (HD broadcasting).
2) Press the [5] [9] and [RED] button simultaneously for 5 seconds, then "70 RET" is displayed on FL.
3) Press the [ ] button to select until "82 TSR" is displayed on FL.
4) Press the [OK] button.
5) It is shown to have entered the tuner service mode.
6) The command is transmitted by attached remote control.
2. Finishing Tuner Service Mode
Method 1: After turning the unit "OFF", pull out the AC cord.
Method 2: Repeat turning ON and OFF twice: P-OFF

P-ON

P-OFF

P-ON.
3.11.1. Hard Test (Device Test)
Perform Access Test for each hard device and display the result.