Read LG 47LX6500-TD (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”.
* Edge LED models with local dimming
Press “TILT” key of the Adj. Remote control and check moving
patterns. The black bar patterns moves from left to right.
If local dimming function does not work. a whole screen
patterns. The black bar patterns moves from left to 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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