Hitachi 42HDX62A/DW1-UA Service Manual page 81

TROUBLESHOOTING FLOWCHARTS
No.
21 ●
22 ●
23 ●
●
24
●
25
●
26
●
27
●
28
29 ●
30 ●
●
31
LED
○ ● ● ○
○ ● ● ●
● ○ ○ ○
● ○ ○ ●
● ○ ● ○
● ○ ● ●
● ● ○ ○
● ● ○ ●
● ● ● ○
● ● ● ●
○ ○ ○ ●
Device Circuit No
-
Drive u-COM
Video SW
Audio SW
Temp. Sensor
- -
- -
- -
- -
- -
- -
72
DW1U
Role
LCD panel
Video
Audio
Temperature
sensor