Read LG 32LW4500-ZB / 32LW450A-ZB / 32LW450N-ZB / 32LW450U-ZB (CHASSIS:LD01U) Service Manual online
b. Check the method of RS232C Command.
1) Into the main assembly mode (RS232 : aa 00 00)
2) Check the key download for transmitted command.
(RS232 : ci 00 10)
3) Result value
- Normally status for download : OKx
- Abnormally status for download : NGx
- Abnormally status for download : NGx
2. Check the method of CI+ Key value (RS232)
1) Into the main ass’y mode (RS232 : aa 00 00)
2) Check the method of CI+ key by command. (RS232 :
ci 00 20)
3) Result value
i 01 OK 1d1852d21c1ed5dcx
7. Local Dimming Function Check
Step1) Turn on TV.
Step2) Press “P-only” key, entrance to power only mode and
Step2) Press “P-only” key, entrance to power only mode and
Press “Exit” key.
Step3) Press “Tilt” key, entrance to Local Dimming mode.
Step4) At the Local Dimming mode, module Edge Backlight
Step4) At the Local Dimming mode, module Edge Backlight
moving right to left Back light of module moving.
Step5) Confirm the Local Dimming mode.
Step6) Press “Exit” key.
Step6) Press “Exit” key.
8. 3D function test
(Pattern Generator MSHG-600, MSPG-6100 [Support HDMI 1.4])
* HDMI mode No. 872, pattern No. 83)
1) Please input 3D test pattern like below.
* HDMI mode No. 872, pattern No. 83)
1) Please input 3D test pattern like below.
2) When 3D OSD appear automatically, then select OK key.
3) Don’t wear a 3D Glasses, Check the picture like below.
9. IR emitter inspection
(1) Start 3D pattern inspection.
(2) If IR emitter signal is correctly received to IR receiver, the
(2) If IR emitter signal is correctly received to IR receiver, the
lamp of IR tester turn on.
- 17 -
CMD 1
CMD 2
Data 0
A
A
0
0
CMD 1
CMD 2
Data 0
C
I
1
0
CMD 1
CMD 2
Data 0
A
A
0
0
CMD 1
CMD 2
Data 0
C
I
2
0
CI+ key Value
<IR Tester Lamp turned off(NG)>
<IR Emitter inspection>
<IR Tester Lamp turned on(OK)>
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