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LGE Internal Use Only
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
6.1.2. Check the speaker out
1) Connect the External Speaker : check the sound
Connect oscilloscope, you can see this waveform.
6.2. RJP/MPI Check
6.2.1. Initial setting
(1) Select Power switch ( up ) as the picture
(2) Set the Switch No.7&8 to ON (up) as the picture Others
should be set to OFF (down)
6.2.2. Checking Guide
(1) Press the P-ONLY key of R/C.
(2) Press the Exit key of R/C.
(3) Connect with the TV through RJP cable (wait for the JIG
on) and MPI cable.
(4) RJP/MPI Pin check is carried out automatically.
(5) The result is shown as below. [Picture 3]
(6) If RJP/MPI Pin check finished or you check other function,
must remove the RJP/MPI cable from TV
6.3. Pro : Idiom Check
(1) Connect the RF Cable
(2) Turn to the Pro:Idiom channel (No. 333)
(3) Check the video & sound
** Only displayed at “POWER ONLY” mode
6.4. b-LAN Main board Check
6.4.1. Overview
It is LNET RF modem & FTG card
6.4.2. Equipment
(1) b-LAN Checker: UTC-1000 (with Cable accessory)
(2) Computer(for test result monitoring)
(3) Connection JIG
6.4.3. Equipment connection map & b-LAN Check
S/W switch direction: RJP <-->
MAIN ASSY make sure that the
insertion direction is right.
When checking the RJP(<-->)
be sure to use a direct cable.
Содержание 42LY770M
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