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LG 43UF77 ZD Series Service Manual page 23

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4.8. MHL Test (Depending on model)
Step 1) Turn on TV
Step 2) Select HDMI 3 mode using input Menu.
Step 3) Set MHL Zig(M1S0D3617) using MHL input, output and
power cord.
Step 4) Connect HDMI cable between MHL Zig and HDMI3 port.
Step 5) Check LED light of Zig and Module of Set
Result) If, The LED light is green and The Module shows normal
stream →OK
Else →NG
4.9. Tool Option selection
- Method : Press "ADJ" key on the Adjustment remote control,
then select Tool option.
Model
EU/CIS Tool 1
Tool 2
65UF77_V-Z_
EU
34601
4628
65UF77_9-Z_
EU
34601
4628
65UF77_V-Z_
CIS
34601
4632
4.10. Ship-out mode check (In-stop)
- After final inspection, press In-Stop key of the Adjustment
remote control and check that the unit goes to Stand-by
mode.
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LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Tool 3
Tool 4
Tool 5
Tool 6
Tool 7
57513 64601 58022
2380
32911
57513 64601 58022
2380
33423
57481 64601 58022
2380
33423
5. GND and Internal Pressure check
5.1. Method
(1) GND & Internal Pressure auto-check preparation
- Check that Power Cord is fully inserted to the SET. (If
loose, re-insert)
(2) Perform GND & Internal Pressure auto-check
- 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.
(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
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
▪ TEST time: 1 second
▪ TEST POINT
- GND TEST = POWER CORD GND & SIGNAL CABLE
METAL GND
- Internal Pressure TEST = POWER CORD GND & LIVE &
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 0.5 Vrms
Tool 9
No.
Item
4097
Audio practical max
4097
1
Output, L/R (Distor-
4097
tion=10% max Output)
Speaker
2
(8 Ω Impedance)
- 23 -
Min
Typ
Max
Unit
EQ Off
10
12
W
AVL Off
8.10 10.8 Vrms
Clear Voice Off
EQ On
10
12
W
AVL On
Clear Voice On
LGE Internal Use Only

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