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
9. All Source Audio Trouble Shooting
Make sure you can’t hear any audio
Y
Check Connector P700
N
Y
Y
Check Speaker
Replace Connector
Check Signal
L700, L701
N
Replace one of 
Capacitor, Register
& Recheck
Y
Check IC700 Power
17V, 3.3V
L704,L703,L702
N
Replace It & Recheck
Y
Check BCM3556 I2S Output
R702, R703, R704
N
Replace It & Recheck
Y
Maybe BCM3556(IC100)
has problems
Replace Speaker
N
N
Maybe TAS5709 has problems.
Replace It
Customer Oriented R&D
Breakthrough
10. Digital TV 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
10. Digital TV Audio Trouble Shooting
Check video output
Y
Follow procedure All source audio 
trouble shooting
Maybe BCM3556 internal audio DSP 
has problems. Replace It
N
Follow procedure digital TV video 
trouble shooting
N
Customer Oriented R&D
Breakthrough
11. Analog TV 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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