LG 50PH4700-TD (CHASSIS:PA32A) Service Manual ▷ View online
5. AV/Component Video Trouble Shooting
Check Signal Format
Is it supported signal?
Is it supported signal?
Y
Check Component Cable
Check AV/Component JK3608
N
Y
p
Replace Jack
Y
Check Component Signal and
resistance
R3609/R3612/R1618
resistance
R3609/R3612/R1618
N
Y
Replace one of
R3609/R3612/R1618 & Recheck
R3609/R3612/R1618 & Recheck
Y
Check Component Signal
C372/C373/C374
C372/C373/C374
N
Replace it
Y
M
b LGE2122 (IC105)
Maybe LGE2122 (IC105)
has problems
has problems
Comp (Y)
5. AV/Component Video Trouble Shooting
Comp (Pb)
p (
)
Comp Y/CVBS
R3609
R3609
Comp Pb
R3612
R3612
Comp Pr
R1618
R1618
Comp (Pr)
Comp (Pr)
Comp Y/CVBS
Comp Pb
Comp Pr
( )
Comp Y/CVBS
C374
C374
Comp Pb
C372
C372
Comp Pr
C373
C373
1920 X 1080 (i)
Dot Freq : 74.25 MHz
H - Freq : 33.75 kHz
V – Freq : 60 Hz
V – Freq : 60 Hz
SYSTEM
A:DDR3x16 512 X 2
Commercial only
7. HDMI Video Trouble Shooting
A:DDR3x16_512 X 2
B:DDR3x16_256 X1
= 1.25GB
X-TAL
(27MHz)
eMMC
(4GB)
Commercial only
F/Nim
Silicon Tuner
Serial TS
Demodulator
Cable
Serial TS
PH6700 only
USB2
MTK A2
USB1
USB2
USB3
USB2
USB3
USB1
NVRAM
(256KB)
USB0
CVBS
CVBS
LVDS
HD : 51P
FHD : 80P
USB3
Wi-Fi
HDMI1
HDMI2
HDMI3
HDMI RX
MHL Bridge
SIL1292
SIL1292
Audio
AMP
I2S Out
RGB,H/V
With EEPROM
With EEPROM
PC-RGB
HDMI3
SIL1292
L/R In
CVBS
AV / COMP
HYBRID
PC-AUDIO
COMP
I2C
Sub Micom
(Renesas)
X-TAL
(32.768kHz)
CVBS/COMP _LR
COMP/ LR
SPDIF OUT
RS-232C
OPTIC
Eth
t
UART
RF Emitter
Module
COMP/ _LR
LAN
Ethernet
7. HDMI Video Trouble Shooting
Check Signal Format
Is it supported signal?
Is it supported signal?
Y
Check HDMI Cable
Y
N
Check EDID D/L
Re-Download EDID
Check HDMI Jack
JK3301, JK3302, JK3303
JK3301, JK3302, JK3303
N
Y
Replace Jack
Y
Maybe LGE2122 (IC105)
has problems
has problems
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