LG 55LM9600 (CHASSIS:LT23E) Service Manual ▷ View online
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5.10. Motion Remote controller Inspection
5.10.1. Equipment
Motion remote controller for test, IR-KEY-CODE remote
controller for test
Check battery before test. (Recommend : Change battery for
every Lot.)
5.10.2. Process
1) Push “Mute” or “ START” key for pairing between TV-set and
motion remote controller.
2) Push “OK” or “Enter” key, you can see the Cursor on screen.
3) Push “Vol+” or “STOP” key, Disconnect Pairing.
5.11. Audio
No
Item
Min Typ Max
Unit
Remark
1
Audio practical
max Output, L/R
(Distortion=10%
max Output)
9.0
10.0 12.0 W
Measure-
ment
condition
(TBD)
47/55LM9600
8.5
8.9
9.8
Vrms
2
Speaker (8Ω
Impedance)
10.0 15.0 W
Measure-
ment
condition
(TBD)
47/55LM9600
▪ Measurement condition:
(1) RF input: Mono, 1 KHz sine wave signal, 100% Modulation
(2) CVBS, Component: 1 KHz sine wave signal 0.4Vrms
(3) RGB PC: 1 KHz sine wave signal 0.7Vrms
5.12. 3D Function test
5.12.1. Equipment
Pattern Generator MSPG-3233, HDMI mode 37, pattern No. 81
5.12.2. Equipment
1) Connect HDMI (HDMI mode 371, Pattern No. 81)
2) Insert 3D Mode, Select side by side mode.
3) Without 3D-glasses, Like below figure.
4) With 3D left-glass, Like below figure. (Center is RED)
5) With 3Dright-glass, Like below figure.(Center is Blue)
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5.13. HDMI ARC Function Inspection
5.13.1. Test equipment
- Optic Receiver Speaker
- MSHG-600 (SW: 1220 ↑)
- HDMI Cable (for 1.4 version)
5.13.2. Test method
(1) Insert the HDMI Cable to the HDMI ARC port from the
master equipment (HDMI1)
(2) Check the sound from the TV Set
(3) Check the Sound from the Speaker or using AV & Optic
TEST program (It’s connected to MSHG-600)
* Remark: Inspect in Power Only Mode and check SW version
in a master equipment
.
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TROUBLE SHOOTING
No power
Check 24V, 12V, 3.5V
of Power B/D
Check short of Main B/D
or Change Power B/D
Pass
Check Output of
Q2305, IC2300, IC2301, IC2302
IC2304, IC2305, IC2306
Check P2301 Connector
Change LED Assy
: [A] PROCESS
Fail
Fail
Pass
Pass
Check LED Assy
Check short of
IC2303, IC6501
Pass
Check short of
Q2305, IC2300, IC2301, IC2302
IC2304, IC2305, IC2306
Fail
Re-soldering or Change defect
part of Q2305, IC2300, IC2301,
IC2302IC2304, IC2305, IC2306
Fail
Re-soldering or Change defect
part of IC2303, IC6501
Fail
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No Raster
: [B] Process
Check LED status
On Display Unit
Repeat A PROCESS
Fail
Check Output of IC9301
Change IC9301
Fail
Change Inverter Connector
Or Inverter
Fail
Pass
Fail
Pass
Change LVDS Cable
Fail
Check LVDS Cable
Pass
Check Panel Link Cable
Or Module
Change Panel Link Cable
Or Module
Check Inverter Connector
Or Inverter
Pass
Check Output of IC3001(Micom)
Change IC3001
Fail
Pass
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