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
11. Analog TV Audio Trouble Shooting
Follow procedure analog TV video 
trouble shooting
N
Check video output
Y
Check SIF Signal
TU600 #9 Pin
N
Y
Check SIF Signal
C308
N
Replace one of 
R315/C308/Q603/C616/R622
& Recheck
Y
Follow procedure All source audio 
trouble shooting
N
Maybe BCM3556 audio block has 
problems. Replace It
N
Y
Check Tuner Power
(5.0V, 3.3V, 1.2V)
Replace one of L601/L600/L602
& Recheck
Maybe Tuner(TU600) has problems
< SIF waveform – sample >
- Defend on the input signal.
Customer Oriented R&D
Breakthrough
12. Component / RGB / AV Audio 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
12. Component / RGB / AV Audio Trouble Shooting
Y
Check Jack JK1001/JK1000/JK901
N
Y
Check Signal
C317/C318/C319/C320/C321/C322
C329/C330/C314/C315/C316
N
Check equipment / Replace Jack
Check Video Output
Replace one of
C317/C318/C319/C320/C321/
C322C329/C330/C314/C315/C316
R912/R911/R910/R1005/L1002
L1001/L1000/L1005/L1004/L1003
R1004 & Recheck
N
Follow procedure external input 
video trouble shooting
Y
Follow procedure All source audio 
trouble shooting
N
Maybe BCM3556 audio block has 
problems. Replace It
Comp (Y) 
Comp (Pb) 
Comp (Pr)  
Customer Oriented R&D
Breakthrough
13. HDMI Audio 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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