LG 60PB4DT-UB (CHASSIS:PA72A) Service Manual ▷ View online
- 17 -
BLOCK DIAGRAM & TROUBLESHOOTING GUIDE
VSB
POD
HD2.4
PVRSoc
656data
MUX CPLD
TP_OUT
TP/D1
QAM_TP
VSB_TP
Digital B/D MUX INERFACE
SUB UPD
TP_IN1/2
656
- 18 -
BLOCK DIAGRAM & TROUBLESHOOTING GUIDE
DCR DVR I2C MAP
I2C Hub
(PA9516)
IC206
CPU
(PPC405GPr)
I2C Master
NT Tuner
(VP-15R)
0xC6
Sub
VSB/QAM
(LGDT3703B)
0xB2
ADC /w HDMI
(MST3361)
0x9C
NT Decoder
Main
(uPD64012)
0xB8
NT Decoder
Sub
(uPD64012)
0xBA
EEPROM
(24LC512)
0xA6
SPDIF
Receiver
(CS8415A)
0x20
Main MSP
(MSP4440K)
0x80
AV Switch
(CXA2069Q)
0x90
U-Com
(MTV412MF)
0x50
CPU_I2C
I2C_CH1 (
Live
)
I2C_CH2 (
Dead
)
I2C_CH3 (
Live
)
I2C_CH4 (
Dead
)
AT/NT/OOB
Tuner
(TDVM-H751P)
0xC0
IEP2
(LGDP4411)
0x1E
AV Switch
(CXA2181Q)
0x84
DASP
(NSP2100A)
0x6C
CPLD
(EPM570)
I2C_HUB
_EN[1:4]
DPLL
(LGDT1901B)
0x12
PDP Module
0x1C
Main
VSB/QAM
(LGDT3703B)
0x1C
Port Exp.
(M62320)
0x74
Temper.
Sensor
(DS1621)
0x94
Index
Port Exp.
(M62320)
0x70
Sub MSP
(MSP4440K)
0x88
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BLOCK DIAGRAM & TROUBLESHOOTING GUIDE
DCR DVR VIDEO PATH
OOB
Cable
LGDT3703
LGDT3703
AV1
AV2
RGB
HDMI1
HDMI2
Monitor Out
AT/NT
NT
LGDT3502
LGDT3502
CXA2069
CXA2069
CXA2181
CXA2181
COMP1
COMP2
uPD64015
uPD64015
uPD64015
uPD64015
S-Card
S-Card
MST3361
MST3361
VSB TP
QAM TP
1394 Out
MUX CPLD [IC301]
HDD
EPF
OOB Data
TP
VSB TP
QAM TP
IF V2
IF
GEM_CVBS
V1
V2
V_S
V_M
Y/C
RGB/ YC
/YCbCr
V1
HD2_CVBS
IF
PPC405GPr
[IC100]
PPC405GPr
[IC100]
Flash Mem
24MB[IC204,IC205]
Flash Mem
24MB[IC204,IC205]
SDRAM
64MB[IC201,IC202]
SDRAM
64MB[IC201,IC202]
CCIR656
Peri Bus
14bit
IEP2
IEP2
LVDS
LVDS
VSB TP
QAM TP
1394 In
CCIR656
TP Out1
MPG656
V/Q TP
TP/D1
Gemstar
Block
Gemstar
Block
DDR-32MB
DDR-32MB
656
TP I n2
TP I n1
SiI3512
SiI3512
Peri Bus
PCI Bus
PCI Bus
PCI Bus
TP Out11
VSB TP
QAM TP
TP Out2
CCIR656
V/Q TP
VSB TP
QAM TP
1394 Out
V/Q TP
Peri Bus
TP Out12
656
TP I n2
TP I n1
1394 TP_In
IEP3
IEP3
HD 2.4
-TP De-Mux
- MPEG Decoding : MP@HL
-Format Converter
-Host I/F, Memory I/F
-Digital I/F
-NTSC Encoder
-AC-3 Decoder/SPDIF In/out
Video
Pre-proc
Motion
Estimator
MPEG-2 SD
Video Enc
EISC
ROM
MEM
Int
Timer,
Bus Master
System Decoder
& De-scramblers
(ATSC/DIRECTV
/ARIB/DVB/OC)
Ch Input
I/F
PVR Up
Controller
Video
Feature
Extractor
PVR Down
Controller
ATAPI I/F
SDRAM I/F
Ch Output I/F
SC-AES
DSC-AES
NTSC/PAL
Decoder
DMA
PCI2.2
Audio
Encoder
SCI I/F
PLL/DLL
LGDT1304(PVR SOC)
IC909
IC908
IC301
IC402
IC804
IC803
IC603
IC1100~03
IC603
IC603
Gemstar Flash Mem
24MB[IC207,IC208]
Gemstar Flash Mem
24MB[IC207,IC208]
IC306
IC305
IC1200
- 20 -
BLOCK DIAGRAM & TROUBLESHOOTING GUIDE
DCR DVR NO OSD
OOB
Cable
LGDT3703
LGDT3703
AV1
AV2
RGB
HDMI1
HDMI2
Monitor Out
AT/NT
AT/NT
LGDT3703
LGDT3703
LGDT3502
LGDT3502
CXA2069
CXA2069
CXA2181
CXA2181
COMP1
COMP2
uPD64015
uPD64015
uPD64015
uPD64015
S-Card
S-Card
MST3361
MST3361
VSB TP
QAM TP
1394 Out
MUX CPLD
HDD
EPF
OOB Data
TP
VSB TP
QAM TP
V/Q TP
IF V2
IF
GEM_CVBS
V1
V2
V_S
V_M
Y/C
RGB/ YC
/YCbCr
V1
HD2_CVBS
IF
PPC405GPr
PPC405GPr
Flash Mem
24MB
Flash Mem
24MB
SDRAM
64MB
SDRAM
64MB
CCIR656
Peri Bus
14bit
IEP2
IEP2
LVDS
LVDS
VSB TP
QAM TP
1394 In
CCIR656
TP Out1
MPG656
V/Q TP
TP/D1
Gemstar
Block
Gemstar
Block
DDR-32MB
DDR-32MB
656
TP I n2
TP I n1
SiI3512
SiI3512
Peri Bus
PCI Bus
PCI Bus
PCI Bus
TP Out11
VSB TP
QAM TP
TP Out2
CCIR656
V/Q TP
VSB TP
QAM TP
1394 Out
V/Q TP
Peri Bus
TP Out12
656
TP I n2
TP I n1
1394 TP_In
IEP3
IEP3
HD 2.4
-TP De-Mux
- MPEG Decoding : MP@HL
-Format Converter
-Host I/F, Memory I/F
-Digital I/F
-NTSC Encoder
-AC-3 Decoder/SPDIF In/out
Video
Pre-proc
Motion
Estimator
MPEG-2 SD
Video Enc
EISC
ROM
MEM
Int
Timer,
Bus Master
System Decoder
& De-scramblers
(ATSC/DIRECTV
/ARIB/DVB/OC)
Ch Input
I/F
PVR Up
Controller
Video
Feature
Extractor
PVR Down
Controller
ATAPI I/F
SDRAM I/F
Ch Output I/F
SC-AES
DSC-AES
NTSC/PAL
Decoder
DMA
PCI2.2
Audio
Encoder
SCI I/F
PLL/DLL
LGDT1304(PVR SOC)
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