LG 50PG60D-SA (CHASSIS:PB82C) Service Manual ▷ View online
- 25 -
AV Video Trouble Shooting
Check signal format
Is it supported?
Check signal
R755 (Composite), R814 / R815 (S-Video) (Rear)
R758 (Composite)
Replace it.
Check signal
C651 (Composite), C648 / C649 (S-Video) (Rear)
C652 (Composite) (Side)
Y
N
Check JK701 (Rear)
Check JK705 (Side)
Replace connector
Y
N
Y
Replace it
N
Maybe BCM3553(IC100) has problems
Y
Check AV Cable / S-Video Cable
Y
- 26 -
Flash
(32MB)
DDR1(128MB)
(16Mx16x4)
DDR1(128MB)
(16Mx16x4)
TEA6420
Audio
SW
MTV416
(
Micom
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
(64MB)
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
HDMI Video Trouble Shooting
20bit
YCbCr
4:2:2
- 27 -
HDMI Video Trouble Shooting
Check signal format
Is it supported?
Y
Check J600 / J601 / J1101
Replace connector
Y
N
Y
Check HDMI Cable
Check EDID NVRAM
(IC1102, 603, 604)
Power & I2C Signal (#5, #6)
Replace it or
redownload
Y
N
Check HDCP Key NVRAM (IC102)
Power & I2C Signal (#5, #6)
Replace it
Y
N
Check IC804 Out Voltage Level
3.3V
Replace it
Y
N
Check L823 Voltage Level 3.3V
Replace it
Y
N
Check IC601 Clock Signal
#26, #27
Replace it
Y
N
Maybe BCM3553(IC100) has problems
- 28 -
Flash
(32MB)
DDR1(128MB)
(16Mx16x4)
DDR1(128MB)
(16Mx16x4)
TEA6420
Audio
SW
MTV416
(
Micom
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/C
Y/
Cb
/Cr
R/G/B
DDR1
(64MB)
CS5340
L/R
Serial TP
20bits
12bit
YCbCr
4:2:2
NIM TUNER
TMDS_RX+-
EPM240F
MNT out (Audio Only)
TMDS341A
(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
All Source Audio Trouble Shooting
20bit
YCbCr
4:2:2
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