
8 Self-check Function
When symptoms like “the power fails sometimes” or “sometimes there is no picture and/or sound” can not be confirmed at the
time of servicing, the self-check function can be used to confirm the occurrence and to find the defective circuit.
In case of “power failure”, flashing of the “POWER” indication (red) at the front of the unit can be used to narrow down the +B
line.
8.1. How to access
8.1.1. Access
Produce TV reception screen and, while pressing [VOLUME-] button on the main unit, press [SLEEP] button on the remote
controller unit simultaneously.
8.1.2. Exit
Remove the AC cord.
8.1.3. Screen display
Display
Ref.No.
Description
Board
SND
IC2608
BBE Viva
H-Board
AVSWV
IC2602
Video SW
H-Board
AVSWA
IC2605
Audio SW
H-Board
ADV
IC4018
A/D CONV
DG-Board
GC4P
IC4026
GC4P
DG-Board
HDMI
IC5003
HDMI I/F Reciever
DV-Board
MEM
IC4008
EEPROM
DG-Board
PANEL
IC9003
SUB MICOM
D-Board
21
TH-50PM50U
Содержание TH-50PM50U
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Страница 119: ...14 Parts Location Mechanical Replacement Parts List 14 1 Parts Location 119 TH 50PM50U ...
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Страница 125: ...15 Electrical Replacement Parts List 15 1 Replacement Parts List Notes 125 TH 50PM50U ...