DOWNLOAD LG 50PK550-SA (CHASSIS:PB01A) Service Manual ↓ Size: 17.69 MB | Pages: 81 in PDF or view online for FREE

Model
50PK550-SA (CHASSIS:PB01A)
Pages
81
Size
17.69 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pk550-sa-chassis-pb01a.pdf
Date
PREV: LG 50PK550R-TA (CHASSIS:PP01A) Service Manual

LG 50PK550-SA (CHASSIS:PB01A) Service Manual ▷ View online

Customer Oriented R&D
Breakthrough
13. HDMI Audio Trouble Shooting
Check video output
Y
Follow procedure All source audio 
trouble shooting
N
Y
Re-download EDID data
Maybe BCM3556 audio block has 
problems. Replace it
N
Follow procedure HDMI video 
trouble shooting
N
Replace IC800
N
Check HDMI S/W Power(1.8V, 3.3V) 
@ L800, L801
Replace one of L800/L801
& Recheck
Y
Customer Oriented R&D
Breakthrough
14. USB Trouble Shooting
DDR2
512MB(128*4)
DDR2
512MB(128*4)
BCM3556
(400M MIPS)
BCM3556
(400M MIPS)
1080P
LVDS
(Front-end)
(External Input)
EXT_IN
HDMI0_BCM
CVBS_LIVE
TP1
CVBS_LIVE
SIF1
Cab
le
ISDB-T/
PAL/NTSC
(System + DVR + Scalar)
IF
I2S_BCM
TAS9709
TAS9709
AV1
AV1_LR
COMP1_LR
COMP2_LR
RGB_LR EXT_IN
HDMI0_BCM
AV2
AV2_LR
NANDFlash
512MB
NANDFlash
512MB
(Audio Out)
USB2.0
SPDIF
SIF_LIVE
I2S_BCM
TDA9996
TDA9996
(Comp1/2, RGB)
HDMI3
HDMI1
HDMI2
SIDE HDMI_PORT
UI_HW_PORT1
UI_HW_PORT2
LAN
HUB
(PK950)
PK550
BT Module
PK950 
(USB)
Demodulator
MN884433
TP1
HDMI2
UI_HW_PORT3
LAN
(LAN)
HDMI
(Wireless)
Wireless 
RX Box
PHY
PHY
Customer Oriented R&D
Breakthrough
14. USB Trouble Shooting
• 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)
Check USB 2.0 Cable
Y
Check USB HUB X-TAL
Check USB Input voltage(D3.3V)
N
Y
Y
Check USB device
If device is 2.5 inch HDD,
Check power adaptor
Replace X-TAL(X1100) 
Check input voltage
Check 5V voltage level at
analog switch(IC1102, IC1101)
N
Replace one of
IC1102, IC1101 & Recheck
Y
Maybe BCM3556(IC100)
has problems. Replace It.
Customer Oriented R&D
Breakthrough
15. Digital TV Recording Fail Trouble Shooting
DDR2
512MB(128*4)
DDR2
512MB(128*4)
BCM3556
(400M MIPS)
BCM3556
(400M MIPS)
1080P
LVDS
(Front-end)
(External Input)
EXT_IN
HDMI0_BCM
CVBS_LIVE
TP1
CVBS_LIVE
SIF1
Cab
le
ISDB-T/
PAL/NTSC
(System + DVR + Scalar)
IF
I2S_BCM
TAS9709
TAS9709
AV1
AV1_LR
COMP1_LR
COMP2_LR
RGB_LR EXT_IN
HDMI0_BCM
AV2
AV2_LR
NANDFlash
512MB
NANDFlash
512MB
(Audio Out)
USB2.0
SPDIF
SIF_LIVE
I2S_BCM
TDA9996
TDA9996
(Comp1/2, RGB)
HDMI3
HDMI1
HDMI2
SIDE HDMI_PORT
UI_HW_PORT1
UI_HW_PORT2
LAN
HUB
(PK950)
PK550
BT Module
PK950 
(USB)
Demodulator
MN884433
TP1
HDMI2
UI_HW_PORT3
LAN
(LAN)
HDMI
(Wireless)
Wireless 
RX Box
PHY
PHY
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