DOWNLOAD LG 60PB4DT-UB (CHASSIS:PA72A) Service Manual ↓ Size: 19.36 MB | Pages: 89 in PDF or view online for FREE

Model
60PB4DT-UB (CHASSIS:PA72A)
Pages
89
Size
19.36 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
60pb4dt-ub-chassis-pa72a.pdf
Date
PREV: LG 42PB4DT-UA (CHASSIS:PA72A) Service Manual

LG 60PB4DT-UB (CHASSIS:PA72A) Service Manual ▷ View online

- 29 -
BLOCK DIAGRAM & TROUBLESHOOTING GUIDE
 DCR DVR  DTV / CADTV
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
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)
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
- 30 -
BLOCK DIAGRAM & TROUBLESHOOTING GUIDE
Check Antenna Cable
Check ATSC/NTSC/OOB
Tuner(TU1300), 5V, IF out
Check LGDT3703(IC1305) inputs
power pins, Osc(25Mhz), IF pin
Check CPLD(IC305) Inputs
CLK, SOP, Valid, Error, Data
Check LGDT3703(IC1305) Outputs
CLK, SOP, Valid, Error, Data
Check HD2.4(LGDT1102F) Input
CLK, SOP, Valid, Error, Data
Check POD Controller
LGDT3502B(IC1200)
Check PVRSoc(LGDT1304)
DTV 
Check CPLD(IC305) outputs
CLK, SOP, Valid, Error, Data
CADTV 
Check CPLD(IC305) Inputs
CLK, SOP, Valid, Error, Data
Check CPLD(IC305) Inputs
CLK, SOP, Valid, Error, Data
NG 
Check CPLD(IC305)Outputs
CLK, SOP, Valid, Error, Data
 DCR DVR  DTV / CADTV
3 : _ 
Check LGDT3703(IC1305) inputs power pins, Osc(25Mhz), IF pin  Signal
4 :_ Check LGDT3703(IC1305) Outputs
5 : _ 
In case of DTV  Check CPLD(IC305) Inputs  (CLK, SOP, Valid, Error, Data)
    _ Signal Shape is same (above)
6 :_ In case of  CADTV  Check POD Controller
    _ Signal Shape is same (above)
7. _Check CPLD(IC305) Inputs  (CLK, SOP, Valid, Error, Data)
8. _ Check PVRSoc(LGDT1304)
9._  Check CPLD(IC305)Outputs (CLK, SOP, Valid, Error, Data)
10._ Check HD2.4(LGDT1102F) Input (CLK, SOP, Valid, Error, Data)
- 31 -
BLOCK DIAGRAM & TROUBLESHOOTING GUIDE
  HDD PLAY BACK
OOB
LGDT3703
(IC1305)
LGDT3703
(IC1305)
AV1
AV2
RGB
HDMI1
HDMI2
Monitor Out
AT/NT
NT
LGDT3502
LGDT3502
CXA2069
CXA2069
CXA2181
CXA2181
COMP1
COMP2
uPD64015
(IC705)
uPD64015
(IC705)
uPD64015
(IC701)
uPD64015
(IC701)
S-Card
S-Card
MST3361
(IC603)
MST3361
(IC603)
VSB TP
QAM TP
1394 Out
MUX CPLD (IC305)
HDD
OOB Data
TP
VSB TP
QAM TP
IF V2
GEM_CVBS
V1
V2
V_S
V_M
Y/C
RGB/ YC
/YCbCr
IF
PPC405GPr
(IC100)
PPC405GPr
(IC100)
Flash Mem
24MB
Flash Mem
24MB
SDRAM
64MB
SDRAM
64MB
CCIR656
Peri Bus
14bit
IEP2
IEP2
LVDS
(IC803)
LVDS
(IC803)
PDP/LCD Module
VSB TP
QAM TP
1394 In
CCIR656
TP Out1
MPG656
V/Q TP
TP/D1
Gemstar
Block
Gemstar
Block
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 IC908)
DDR-32MB
DDR-32MB
656
TP  I n2
TP  I n1
SiI3512
(IC1002)
SiI3512
(IC1002)
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
(IC804)
IEP3
(IC804)
      
       HD 2.4 (IC402)
-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
FMS6400
FMS6400
FMS6400
FMS6400
FMS6407
FMS6407
Cable
- 32 -
BLOCK DIAGRAM & TROUBLESHOOTING GUIDE
  HDD PLAY BACK
Check HDD power cable,
Wafer(P1601)
Check HDD Signal Cable(SATA),
Wafer(P1000)
Check SiI3512(IC1002)
Power pins, 
Osc
, PCI Bus, LED1000
Check CPLD(IC305) inputs
(CLK), (SOP), (Valid),
(Error),(Data
)
Check CPLD(IC305) outputs
(CLK), (SOP), (Valid),
(Error),(Data
)
1
2
5
4
3
Check PVRSoc
LGDT1304P
(IC908)
1.
Check HDD Power cable. #1: 5V, #4:12V
2.
Check HDD Signal cable (SATA)
3.
Check SiI3512(IC1002) inputs: Power pins, 
Osc
¥
Check LED1000 blinking
¥
Check PCI bus
4.
Check CPLD(IC305) inputs:
(Clock, Sop, Valid, Error, Data : 8bit)
         
PVRSoc
 Memory Test :
(Hardware test  Menu)
5.      Check CPLD(IC305) outputs:
(Clock, Sop, Valid, Error, Data : 8bit)
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