Read LG 55LX9500-TA (CHASSIS:LB03R) Service Manual online
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4.5. Checking the function of Bluetooth
using adjusts Remote control
- Auto checking
• Auto checking is doing in “Power Only”.
• Checking the result of searched (check that is in list or not)
• Go out of checking mode pushing button “Exit”.
• Checking the result of searched (check that is in list or not)
• Go out of checking mode pushing button “Exit”.
- Manual checking
• Push the button “Power Only” and “Exit”.
• Push the button hot key “Bluetooth”.
• Checking the result of searched (check that is in list or not)
• Go out of checking mode pushing button “Exit.
• Push the button hot key “Bluetooth”.
• Checking the result of searched (check that is in list or not)
• Go out of checking mode pushing button “Exit.
4.6. Check the function of Local Dimming
• Dimming checking is doing in “Power Only” using adjusts
Remote control.
• Push the button “Tilt”.
• Checking the function of dimming refer to the picture at below.
• Push the button “Exit”.
• Checking the function of dimming refer to the picture at below.
• Push the button “Exit”.
* IOP LED models with local dimming
Press “TILT” key of the Adj. remote control and check
moving patterns. The black bar patterns moves from top-left
to Bottom-right.
If local dimming function does not work. a whole screen
shows full white.
moving patterns. The black bar patterns moves from top-left
to Bottom-right.
If local dimming function does not work. a whole screen
shows full white.
5.1. Method
- Check that Power Cord is fully inserted to the SET.
(If loose, re-insert)
- Unit fully inserted Power cord, Antenna cable and A/V
arrive to the auto-check process.
- Connect D-terminal to AV JACK TESTER
- Auto CONTROLLER(GWS103-4) ON
- Perform GND TEST
- If NG, Buzzer will sound to inform the operator.
- If OK, changeover to I/P check automatically.
- Auto CONTROLLER(GWS103-4) ON
- Perform GND TEST
- If NG, Buzzer will sound to inform the operator.
- If OK, changeover to I/P check automatically.
(Remove CORD, A/V form AV JACK BOX)
- Perform I/P test
- If NG, Buzzer will sound to inform the operator.
- If OK, Good lamp will lit up and the stopper will allow the
- If NG, Buzzer will sound to inform the operator.
- If OK, Good lamp will lit up and the stopper will allow the
pallet to move on to next process.
5.2. Checkpoint
• TEST voltage
- GND: 1.5 KV / min at 100 mA
- SIGNAL: 3 KV / min at 100 mA
- SIGNAL: 3 KV / min at 100 mA
• TEST time: 1 second
• TEST POINT
• TEST POINT
- GND TEST = POWER CORD GND & SIGNAL CABLE
METAL GND
NEUTRAL
• LEAKAGE CURRENT: At 0.5 mArms
6. Audio
Measurement condition:
1. RF input: Mono, 1 KHz sine wave signal, 100 % Modulation
2. CVBS, Component: 1 KHz sine wave signal 0.4 Vrms
3. RGB PC: 1 KHz sine wave signal 0.7 Vrms
1. RF input: Mono, 1 KHz sine wave signal, 100 % Modulation
2. CVBS, Component: 1 KHz sine wave signal 0.4 Vrms
3. RGB PC: 1 KHz sine wave signal 0.7 Vrms
Local Dimming Demo (Edge LED Model)
Local Dimming Demo (IOP Model)
No.
Item
Min.
Typ.
Max.
Unit
1.
Audio practical max
9.0
10.0
12.0
W
EQ Off
Output, L/R
AVL Off
(Distortion=10 %
8.5
8.9
9.8
Vrms
Clear Voice Off
max Output)
2.
Speaker (8 Ω
10.0
15.0
W
EQ On
Impedance)
AVL On
Clear Voice On
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