LG 50PG60D-SA (CHASSIS:PB82C) Service Manual ▷ View online
- 37 -
HDMI Audio Trouble Shooting
Check video output
Follow procedure All source audio trouble
shooting
Y
Follow procedure HDMI video trouble
shooting
N
N
Maybe BCM3553 audio block has
problems. Replace it
Check EDID NVRAM (IC1101, 603, 604)
Power & I2C Signal (#5, #6)
Replace it or redownload
Y
N
- 38 -
Flash
(32MB)
DDR1(128MB)
(16Mx16x4)
DDR1(128MB)
(16Mx16x4)
TEA6420
Audio
SW
MTV416
(Micom
)
NTP3000
(Digital AMP)
64Bit I/F
RGB-PC
HDMI
1/2/3
COMP 1
COMP 2
AV1
AV2
RGB-PC
I2S
MCLK
Digital out
COMP1
COMP2
AV1
AV2
BCM7412
(MPEG4
Decoder)
Analog
/Digital
Tuner
TC90512
DVI
I2S
SIF
SPDIF Out
CVBS
CVBS/Y/C
Y/
Cb
/Cr
R/G/B
DDR1
(32MB)
CS5340
L/R
Serial TP
20bits
12bit YCbCr
4:2:2
NIM TUNER
TMDS_RX+-
EPM240F
MNT out (Audio Only)
TMDS351
(3x1,S/W)
CVBS/Y/C
MC33078
(AMP)
L/R
RS232
RX/TX
DVI
Full HD(1080P)
WXGA(768P)
RF
Switch
DM1/DP1
Serial
TP
Video
Front
End
Dual
HDMI
Rx
HD/SD
Video
Encoder
Audio
DSP
USB2.0
PKT
HSX
PCI/
EBI
HD-DVI
IB0
Parse2
RSBUF
XCBUF
RMX0
BCM3553
Local KEY
24C16
74LVC14APW
X-tal(54M)
Reset
KIA7029
NVRAM
I2C
USB Trouble Shooting
20bit YCbCr
4:2:2
- 39 -
USB Trouble Shooting
Check USB 2.0 Cable
Check L205 voltage level 5V
Y
N
Replace it or IC202
Check JK201
Replace it
Y
N
Check USB Device
If device is 2.5 inch HDD, check power adaptor
Y
Maybe BCM3553 has problems
Y
¥ Exception
- USB power could be disabled by inrushing current
- In this case, remove the device and try to reboot the TV (AC power off/on)
- 40 -
DIAGRAMA DE BLOCOS
Flash
(32MB)
DDR1(128MB)
DDR1(128MB)
(16Mx16x4)
TEA6420
Audio
SW
MTV416
(
Micom
)
NTP3000A
(Digital AMP)
64Bit I/F
RGB-PC
HDMI
1/2/3
COMP 1
COMP 2
AV1
AV2
RGB-PC
I2S
MCLK
Digital out
COMP1
COMP2
AV1
AV2
BCM7412
(MPEG4
Decoder)
Analog
/Digital
Tuner
TC90512
DVI
I2S
SIF
SPDIF Out
CVBS
CVBS
Y/
Cb
/Cr
R/G/B
DDR1
(32MB)
CS5340
L/R
Serial TP
30bits
20bit YCbCr
4:2:2
NIM TUNER
TMDS_RX+-
EPM240F
MNT out (Audio Only)
TMDS351
(3x1,S/W)
CVBS/Y/C
MC33078
(AMP)
L/R
RS232
RX/TX
DVI
4:4:4 30bit
YCbCr
Full HD(1080P)
WXGA(768P)
RF
Switch
DM1/DP1
Serial
TP
74HC04
SPDIF Out
(Coaxial)
Video
Front
End
Dual
HDMI
Rx
HD/SD
Video
Encoder
Audio
DSP
USB2.0
PKT
HSX
PCI/
EBI
HD-DVI
IB0
Parse2
RSBUF
XCBUF
RMX0
BCM3553
Local KEY
24C16
74LVC14APW
X-tal(54M)
Reset
KIA7029
NVRAM
I2C
LCD Only
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