aiko NP-42H5, Service Manual

Page: 73 / 94

7.3
Inspection of Circuit Functions
1) LED 0n/Off Test
(1)
Check if the red LED indicating the standby status lights is out when connected to the power.
(2) Check if the green LED indicating the operation status lights is out
when the power switch is turned on
2) KEY / REMOCON Test
Press the front keys and the MENU key on the remote control and
check if they are operating properly as below
3) TV Input
(1
) Use an RF Cable to connect the TV output signals to the TV Input terminal.
(2) Turn on the power by pressing the front key or the POWER key on the remote control.
(3)
Press the front key or the INPUT key on the remote control then select TV Input.
Input Source
TV
.
PC
(4)
Press the MENU key to go into TV Function (Channel) mode
.
Channel
Color System
Air/Std/Hrc/Irc
Auto Search
Add/Delete
Fine Tune
(5) Choose Color TV Video System (Auto, NTSC-M, PAL-M, PAL-N) from System Menu.
(6) Choose TV broadcasting from “Air/Std/Hrc/Irc”.