Read LG 70LA8600-SA (CHASSIS:LJ34D) Service Manual online
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5.7. Camera Function Inspection
(1) Objective : To check how it connects between Camera and
PCBA normally, and their Function
(2) Test Method : This Inspection is available only Power-Only
Status.
- Slide Camera Up.
- Camera’s Preview picture apeears on TV Set.
- Slide Camera Down.
5.8. PIP/W&R Function Inspection
(1) Objective : To check the connection between sub tuner and
PCBA, and their Function
(2) Test Method : This Inspection is available only Power-Only
Status.
- Press exit key of the Adj. R/C and Press PIP key.
- Check that the SUB TUNER pop up window on the TV
Set.
- Check that the normal operation (picture, sound) of DTV
on the TV Set
5.9. Outgoing condition Configuration
■ When pressing IN-STOP key by SVC remocon, Red LED
are blinked alternatively. And then automatically turn off.
(Must not AC power OFF during blinking)
7. GND and HI-POT Test
7.1. GND & HI-POT auto-check preparation
(1) Check the POWER CABLE and SIGNAL CABE insertion
condition
7.2. GND & HI-POT auto-check
(1) Pallet moves in the station. (POWER CORD / AV CORD is
tightly inserted)
(2) Connect the AV JACK Tester.
(3) Controller (GWS103-4) on.
(4) GND Test (Auto)
- If Test is failed, Buzzer operates.
- If Test is passed, execute next process (Hi-pot test).
(Remove A/V CORD from A/V JACK BOX)
(5) HI-POT test (Auto)
- If Test is failed, Buzzer operates.
- If Test is passed, GOOD Lamp on and move to next process
automatically.
7.3. Checkpoint
(1) Test voltage
- GND: 1.5KV/min at 100mA
- SIGNAL: 3KV/min at 100mA
(2) TEST time: 1 second
(3) TEST POINT
- GND Test = POWER CORD GND and SIGNAL CABLE GND.
- Hi-pot Test = POWER CORD GND and LIVE & NEUTRAL.
(4) LEAKAGE CURRENT: At 0.5mArms
<Slide Down Status>
<Slide Up Status>
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