Read LG 50PZ540-UB / 50PZ550-UA (CHASSIS:PU13A) Service Manual online
* Test Scenario
(1) Set TV in adj. mode using Power Only Key
(2) HDMI 1.4 Frame Packing 3D images are input to the 3D
(1) Set TV in adj. mode using Power Only Key
(2) HDMI 1.4 Frame Packing 3D images are input to the 3D
Video Player
(3) Check the 3D Video Display.
(4) If RF emitter signal is correctly received to RFreceiver, the
(4) If RF emitter signal is correctly received to RFreceiver, the
lamp of RF tester turn on
10. Option selection per country
10-1. Overview
O
O
Applied model: PU13A Chassis applied USA Model(Not
Canada, Mexico)
Canada, Mexico)
10-2. Method
(1) Press ADJ key on the Adj. R/C, then select Country Group
Menu
(2) Depending on destination, select KR or US, then on the
lower option, select US, CA, MX. Selection is done using
+, - KEY
+, - KEY
10-3. Ship-out (Default) mode check
(Instop)
O
After final inspection, press In-Stop key of the Adj. R/C and
check that the unit goes to Stand-by mode.
check that the unit goes to Stand-by mode.
10-4. POWER Supply Unit PCB Ass'y Va/Vs
Voltage adjustment
.
(1) Test equipment : D.M.M 1EA
(2) Connection Diagram for Measuring : refer to (Fig.1)
(2) Connection Diagram for Measuring : refer to (Fig.1)
(3) Vs adjustment (refer fig.1)
1) Connect + terminal of D.M.M. to Vs pin of P811, connect
-terminal to GND pin of P811
2) After turning VR901, voltage of D.M.M adjustment as
same as Vs voltage which on label of panel left/top (
deviation ; ± 0.5V)
deviation ; ± 0.5V)
(4) Va adjustment (refer fig.1)
1) After receiving 100% Full White Pattern, HEAT RUN.
2) Connect + terminal of D.M.M. to Va pin of P811, connect
2) Connect + terminal of D.M.M. to Va pin of P811, connect
-terminal to GND pin of P811
- After turning VR502,voltage of D.M.M adjustment as
same as Va voltage which on label of panel left/top
(deviation; ± 0.5V)
(deviation; ± 0.5V)
11. USB Download (S/W Update,
*.epk File Download)
(1) Put the USB Stick to the USB socket
(2) Automatically detecting update file in USB Stick
- If your downloaded program version in USB Stick is Low,
it didn’t work.
But your downloaded version is High, USB data is
automatically detecting
But your downloaded version is High, USB data is
automatically detecting
(3) Show the message “Copying files from memory”
(4) Updating is staring.
(5) Updating Completed, The TV will restart automatically.
(6) If your TV is turned on, check your updated version and
Tool option. (explain the Tool option, next stage)
* If downloading version is more high than your TV have,
TV can lost all channel data. In this case, you have to
channel recover. if all channel data is cleared, you didn’t
have a DTV/ATV test on production line.
channel recover. if all channel data is cleared, you didn’t
have a DTV/ATV test on production line.
- 11 -
(Fig.1)
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