Read LG 32LP645H (CHASSIS:LA3AA) Service Manual online
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6.2. Option selection per country
6.2.1. Overview
America due to rating
(2) Applied model: LA3AZ/Y/X Chassis is applied in USA
6.2.2. Method
(1) Press ADJ key on the Adj. R/C, and then select Country
Group Menu
(2) Depending on destination, select KR or US, then on the
lower Country option, select US, CA, MX.
Selection is done using +, - KEY
6.2.3. Tool Option inspection
▪ Press Adj. key on the Adj. R/C, then select Tool option.
Model
Tool 1 Tool 2 Tool 3 Tool 4 Tool 5 Tool 5 COM-
MER-
CIAL
OPTION
32LP645H-UH 16452 2321
9873 17324 14340
4
3882
32LP620H-UH 16452 2321
9873 17324 14340
3
3882
39LP645H/
620H-UH
18502 2321 10001 17324 14340
1
3882
CMI
20550 2321 10049 17324 14340
1
3882
AUO
42LP645H/
620H-UH
16455 2321
9873 17324 14340
1
3882
47LP645H-UH 16456 2321
9873 17324 14340
2
3882
55LP645H-UH 16458 2321 10001 17324 14340
2
3882
60LP645H-UA 16459 2321 10049 17324 22565
2
3882
6.2.4. Ship-out mode check (In-stop)
▪ After final inspection, press In-Stop key of the Adj. R/C and
check that the unit goes to Stand-by mode
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
8. AUDIO output check
8.1. Audio input condition
(1) RF input: Mono, 1KHz sine wave signal, 100% Modulation
(2) CVBS, Component: 1KHz sine wave signal (0.4Vrms)
(3) RGB PC: 1KHz sine wave signal (0.7Vrms)
8.2. Specification
No
Item
Min
Typ
Max
Unit
Remark
1.
Audio practical
max Output, L/R
(Distortion=10%
max Output)
9.0
10.0 12
W
Measurement
condition
EQ Off
AVL Off
Clear Voice Off
DRC operation
under 12W
(32/39/42/47/55
/60LP series)
8.5
8.9
9.8
Vrms
2.
Speaker
(8Ω Impedance)
10.0 14.0 W
Measurement
condition
EQ On
AVL On
Clear Voice On
● Measurement condition:
(1) RF input: Mono, 1KHz sine wave signal, 100% Modulation
(2) CVBS, Component: 1KHz sine wave signal 0.4Vrms
(3) RGB PC: 1KHz sine wave signal 0.7Vrms
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