Read LG 32LT770H (CHASSIS:LA2FF) Service Manual online
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6.2.2. Check the power out & IR out – commercial
check jig
(1) Connect each other RS232c port on the Commercial Check
JIG
(2) Press RED Color Button on SVC Remote-controller in
power only mode (or PCB Mode)
(3) Check the LED of jig board
- +12V LED (OK condition: Turn On)
- IR LED (OK condition: blinking)
6.2.3. Check the power out & IR out – mini jig
(1) Connect mini jig on RS232c port
(2) Press RED Color Button on SVC Remote-controller in
power only mode (or PCB Mode)
(3) Check the LED of mini jig
6.2.4. Check the power out & IR out – New jig
(1) Of the DFT process performance tests showing Waite
Massage automatically scan pause
(2) Adjust the remote control Press any Key IR Out Make sure
that only Nomal LED blinks.
(3) ETC Key -> red Pressing the Info Key
i) 5V Out Output 3 seconds
ii) 5V output OFF
iii) 12V Out Output 3 seconds
iv) 12V output OFF(Given the ST output time adjustable)
(4) Nomal LED, 5V LED, 12V LED flicker worker using the
PASS.
(5) After the check is complete automatic test is initiated.
6.3. RJP Check
6.3.1. Initial setting
(1) Select Power switch ( up ) as the picture
(2) Set the Switch No.5 to ON (up) as the picture
Others should be set to OFF (down)
6.3.2. 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)
(4) RJP Pin check is carried out automatically
(5) The result is shown as below
(6) If RJP Pin check finished or you check other function, must
remove the RJP cable from TV
* RJP Cable : Direct LAN Cable
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