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INPUT
MAIN IC
AV
Component
HDMI
RGB
LGE3159
Analog
Digital
WIRELESS MODEL
SIGNAL
CONVERTER
DTC
SIL9134
LVDS
MEDIA-BOX
TX MODULE
HDMI
S
SB9110
RX MODULE
SIL9134
MAIN IC
LCD
MODULE
L
LGE7329
LGD V4
LVDS
Wireless
TV SET
HDMI
a
b
c
d
e
f
g
Service
only
HDMI JACK
HDMI5
HDMI JACK
Wired
HDMI CABLE
Defect block
Symptoms
Wireless connection
Check
a
Bad (noise) image / No image
- osd is good
Bad sound / No sound
No effect directly
b
Bad image
- IC’s cold soldering or memory defect accompanied noise on osd
Bad sound / No sound
Wireless connecting osd is displayed continually
- There is no video signal from Rx module to TV main ic, so TV
understand this time like disconnection state and display connecting
osd continually. And then, if TV is not activated rightly within 15min,
it will go to st-by mode.
No effect directly
No effect directly
No connection
▶ Check main ic basic power & power
sequence
▶ Control line check (I2C & etc)
▶ Check input/output video & audio
signal
C
Bad image / Bad or No sound
Wireless connecting osd is displayed continually
- No image
No effect directly
No connection
▶ Check power & control line
▶ Check input/output signal
▶ Check inner HDMI cable connection
status
(There can be cable’s defect.)
▶ Check the EDID of HDMI & RGB
▶ Check cable & contact error
Trouble shooting
OSD
OSD
*
Focused on Wireless connection
WIRELESS LH95
Summary of Contents for 55LH95QD
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