LG 50PK550-SA (CHASSIS:PB01A) Service Manual ▷ View online
Customer Oriented R&D
Breakthrough
N
Y
Check USB block
N
Use USB Trouble shooting guide
Y
Maybe IC1100 has problems
Replace It (Only PK950)
Check HDD
N
Replace HDD
Y
15. Digital TV Recording Fail Trouble Shooting
Check video/audio output
Follow procedure digital TV
video/audio trouble shooting
video/audio trouble shooting
N
Maybe BCM3556(IC100) USB block
has problems. Replace It.
Customer Oriented R&D
Breakthrough
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
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
16. Wireless Trouble Shooting
Wireless Jack
Customer Oriented R&D
Breakthrough
N
Y
Check I2C (R1219, R1226)
N
Replace resister (R1219,R1226)
& Recheck
Y
Maybe IC100 has problems
Replace It (Only PK950)
Check 17V voltage (Q1201)
N
Y
Check JK1201
Replace JK1201
16. Wireless Trouble Shooting
Replace one FET(Q1201) &
Recheck
Customer Oriented R&D
Breakthrough
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
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
17. Ethernet Trouble Shooting
Wireless Jack
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