Lenovo L2062bW User manual

LenovoServiceManualL2062bW
1
想显示器维修手册
Custom:Lenovo
Model: L2062bW
Thismanualapplyto
mainboard 715G4032
ICRealtek2271
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REVISIONLIST
Version ReleaseDate Revision History Model TPVModelNo
A00 Mar-23-2011 InitialRelease L2062W TAAMR86CZTG5HNJ
TAAGR86CZTG5HNJ
A02 Mar-30-2011 UpdateDisassembly
SOP and softwareSOP
L2062W TAAMR86CZTG5HNJ
TAAGR86CZTG5HNJ
A03 Sep-7-2011 Add model L2062W TABSR86CZTG5HNJ
A04 Jul-16-2012 Replacepanel（2000M
上高原机种）L2062bW TACGT428B4G5HCJ
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CONTENTS
1.LCDSpecifications............................................................................................................................................4
1.1ProductFeatures....................................................................................................................................................4
1.2Factorypresetmodes............................................................................................................................................5
1.3New Features.........................................................................................................................................................5
2.Operation instruction......................................................................................................................................6
2.1Connection.............................................................................................................................................................6
2.2ControlButtons......................................................................................................................................................6
2.3OSDUser modeadjustment..................................................................................................................................7
2.4OSDLockfunction................................................................................................................................................10
3.Interfacedescription ......................................................................................................................................11
3.1VGAInterfacedescription....................................................................................................................................11
3.2DVIConnector......................................................................................................................................................11
4.PanelFeature.................................................................................................................................................12
4.1Generalinformation............................................................................................................................................12
4.2AbsoluteMaximumRatings................................................................................................................................12
4.3ElectricalCharacteristics......................................................................................................................................12
4.4OpticalCharacteristics.........................................................................................................................................13
4.5PanelBlockDiagroam.........................................................................................................................................13
4.6LVDSConnectorpin Assignment.........................................................................................................................14
5.BlockDiagram................................................................................................................................................15
5.1 LCDBlockDiagram.............................................................................................................................................15
5.2MainBoard BlockDiagram..................................................................................................................................15
5.3Power/Inverter BoardBlockDiagram...............................................................................................................16
5.4Software Flow Chart............................................................................................................................................17
6. CircuitSchematic..........................................................................................................................................18
6.1Main Board---715G4032.....................................................................................................................................18
6.2PowerBoard 715G4497-P01...............................................................................................................................24
6.3Converterpart......................................................................................................................................................25
6.4KeyBoard715G4585K0B.....................................................................................................................................26
7.ExplodedViews..............................................................................................................................................27
8.PCB Layout.....................................................................................................................................................28
8.1MainBoard- 715G4032-M01..............................................................................................................................28
8.2PowerBoard 715G4497 .................................................................................................................................30
8.3KeyBoard715G4585............................................................................................................................................32
9. Maintenance..................................................................................................................................................33
9.1Maintenance requisite........................................................................................................................................33
9.2Disassembly SOP..................................................................................................................................................33
9.3TroubleShooting..................................................................................................................................................37
9.4Software updatestep （ SOP ） ...........................................................................................................................43
9.5WritingDDCprogramstep..................................................................................................................................49
9.6Factorymodeadjustment...................................................................................................................................52
10.BOMList.......................................................................................................................................................54
10.1Model ： TACGT428B4G5HCJ .........................................................................................................................54
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1.LCD Specifications
1.1ProductFeatures
Model Lenovo L2062 Wide / L2062WA
LCDPanel
Drivingsystem TFT ColorLCD
ActiveDisplayArea
508mm(20 )442.8(W)×249.075(H)mm
PixelPitch 0.2768mm×0.2768mm
Input
Video R,G,B AnalogInterface，75ohm,0.7V Positive
DVIdigitalInterface
SeparateSync. H/V TTL
H-Frequency 30kHz--83kHz
V-Frequency 50Hz--76Hz
InputConnector D-Sub15pin
DVI24pin
DisplayColors 16.7MColors
DotClock 153MHz
Max.Resolution 1600x900 @75Hz
Plug & Play VESADDC2BDDC/CI
PowerConsumption
ONMode <22W
PowerSavingMode <1Wat100Vac&240Vac
SwitchOFF <0.5W
PowerSource 90~264VAC,47~63Hz, 1.5AMaxsupplycurrent
Environmental
Considerations
OperatingTemp:
0
to
4
0C
Storage Temp.: -20 to60 C
OperatingHumidity: 8%to80%
Dimensions(includingstand) 480.0(W)x362.5(H)x174.8(D)mm
Weight(N. W.): 4.3kg
Safety GB4943 IEC60950CE CCCRoHS
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1.2Factorypresetmodes
STANDARD RESOLUTION HORIZONTAL
FREQUENCY VERTICAL FREQUENCY
VGA
640×480 31.469kHz 59.94Hz
640×480 35.00kHz 66.67Hz
640×480 37.861kHz 72.80Hz
640 ×480 37.50kHz 75.00Hz
DOS-mode 640 ×480 31.469kHz 70.087Hz
720 ×400 31.469kHz 70.087Hz
Mac-mode 832 ×624 49.725kHz 74.50Hz
SVGA
800 ×600 35.16kHz 56.25Hz
800 ×600 37.879kHz 60.317Hz
800 ×600 48.07kHz 72.188Hz
800 ×600 46.875kHz 75Hz
XGA
1024 ×768 48.363kHz 60Hz
1024 ×768 56.476kHz 70Hz
1024 ×768 60kHz 75Hz
1152 ×864 67.6kHz 75Hz
1280 x1024 63.981kHz 60.020 Hz
1280x1024 74.882kHz 69.853 Hz
1280x1024 79.976kHz 75.025 Hz
WXGA
1440x900 55.935kHz 59.887 Hz
1440 x900 55.469kHz 59.901 Hz
1366 x768 47.712kHz 59.790Hz
1600 ×900 60.00kHz 60Hz
1600 ×900 70.463kHz 74.96Hz
1.3NewFeatures
20”WLED +ColourTNTFT Monitor ,WithLED backlight ,
HDCPSupport, XP/Vista/Win7Logo,
DigitalControlswith 8languagesOSD;
EnergyStar5.0,TCO5.1compliance
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2.Operation instruction
2.1Connection
lConnect the video cablefromthe videocardof PCtothemonitor..
lThepowercordshouldbeconnected
lPressthepowerbutton toturnon themonitor,thepowerindicatorwilllight up.
2.2ControlButtons
Icon Control Description
1
Input select Switchesthe video inputsource.DVI/D-SUB
2
DDC-CI Pressedtill10 seconds,will enable/disabletheDDC/CI.
Exit Exitcurrent OSDreturntolastlevel.
3
AutoAdjustment Ifthereisno anyOSD,itisautoconfiguration.
Decrease-adjusting OSD,itwill decreasecurrentvalueofbar,ormovetolast
itemofmenu.
4
NOVOVISION Ifthereisno anyOSD,DirectaccesstoImangeProperties
Increase+adjusting OSD,itwill increasecurrentvalue ofbar,ormovetonext
itemofmenu.
5 Menu
/Enter/OK
Activemainmenuwhileno OSDdisplay,enternextlev
elon
mainmenuorsubmenu status,orenterlastlevelon
adjustmentbar.Continuedpressing10secondswilllock
menuorun-lockmenu.
6 PowerButton PowerON/OFF,andpowerindicator(Blueand Orange).
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2.3OSDUsermodeadjustment
a)Hotkey
Press ,thefigureisasshows
Press ←,thefigureisasshows
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b)OSDMenu adjustmentsteps:
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2.4OSDLock function
Press “MENU”buttonand hold10s,OSDwaslocked.AgainPress “MENU”button andhold>10s,OSDwasunlocked.
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3.Interfacedescription
3.1VGAInterfacedescription
Pin No. Description PinNo. Description
1. RedInput 9. +5VDC
2. Green Input 10. GND
3.
BlueInput
11.
GND
4. GND 12. SDA-DDC-SerialData
5. Connectiondetect 13. HSync
6. RedGND 14. V Sync
7. Green GND 15. SCL-DDC-SerialClock
8. BlueGND
VGAConnectorlayout 1 5
610
11 15
3.2DVIConnector
PinNo. Description PinNo. Description
1. TMDSData2- 13. TMDS Data3+
2. TMDS Data2+ 14. +5VPower
3. TMDS Data2/4Shied 15. Ground(for+5V)
4. TMDSData4- 16. Hot PlugDetect
5. TMDS Data4+ 17. TMDS Data0+
6. DDCClock 18. TMDS Data0-
7. DDCData 19. TMDS Data0/5Shield
8. N.C. 20. TMDS Data5-
9. TMDSData1- 21. TMDS Data5+
10. TMDS Data1+ 22. TMDSClockShield
11. TMDSData1/3Shield 23. TMDS Clock+
12. TMDSData3- 24. TMDS Clock-
DVIConnectorlayout
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4.PanelFeature
ThePanelisa20.0inchcolorTFT-LCD module—M200O3-LA3withWLEDbacklightunitand 30pin2ch-LVDS
interface. thismodulesupports1600×900modeanddisplays upto16.7millionscolors.
4.1General information
4.2Absolute MaximumRatings
4.3ElectricalCharacteristics
a) TFTLCDmodule
b) Backlightunit(LED matrixis11S4P)
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4.4Optical Characteristics
4.5Panel BlockDiagroam
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4.6LVDS ConnectorpinAssignment
LED Connector: HN14061-2000-7H(Foxconn)or 3703K-F06N-11L(Entery).
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5.BlockDiagram
5.1 LCD BlockDiagram
5.2MainBoardBlockDiagram
DC-converter
715G4497P
AC-DC
(5V/12V)
PowerBoard
MainBoard
715G4032M
Keyboard VGAinput
LEDbacklight
PanelLVDS
ACsupply
90V-264V
LCD Block Diagram
Input signal
DVIinput
Crystal
1
4
.318
MHZ
(X401)
PanelInterface
(CN406)
Scalar
R
T
D2271W
-
GR
Realtek
(Include ADC,OSD, MCU)
(U401)
D
-
Sub
Connector
(CN101)
EEPROM
Pm25LD020C
(U403)
Hsync
Vsync
KeyBoard
Control
(CN401/402)
Voltageconverter
5V
5V3.3V1.8V
D
VI
Connector
(CN102)
FromPC
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5.3Power/ InverterBoardBlockDiagram
Fuse
EMI Rectifier
Smoothing
Capacitor
C907
Transformer
T901
MOS
Q901
IC
-
PWM
IC901
12V
Rectifier
5V
Rectifier
12V
5V
Sense
re
sistor
Vcc
Rectifier
regulating
Sampling
PhotoCoupler
Vcc
14.5VDC
On/off
DIM
Q801
APM8005 FB802
D801
L801
ACinput
100-240V
CN804
-
--LED
U901
-
IC
OZ9998
CurrentSampling
Power part
Converter part
OVP
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5.4SoftwareFlowChart
------Just for your reference.
Start
Initial_MCU
CheckifDataBufferIsblank
Check
if
Sumischanged ?
ToWritedefaultvalues
Read parameter_fromBuffer
PowerHandler
Init_GlobalVariables
Initial_MCU Device
while
InputTiming
ModeHandler
MenuHandler
DebugHandler
if standbymode?
Brightness
Contrast
Language
InputType
InputTimingStableCounter
OsdCounter
PowerDownCounter
LEDturn-on
Showpoweron logo
iffactorymode?
Nosignalmessage
UnsupportModeFlag
END
OSDMenu
SoftwareFlow Chart
InputTiming
Phaes/Frequency
Imagesetup
Color
Options
Enterfactorymode OSD
Y
N
Y
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6. Circuit Schematic
6.1 Main Board---715G4032M
+5V
VCC3.3
RX1+
DVI
03_DVI
DDCSCL2
DDCSDA2
RX1-
RX0+ RX2+
RX2-
RX1+ RXC-
RX0-
RXC+
DVI_CABLE_DET
EDID_WP
+5V
DVI5V
+5V
DVI_CABLE_DET
RXC+
DDCSDA2
V12S
RX0- RX2-
+5V
VGA_CABLE_DET
DVI5V
PANELI/O
05_PANELI/O
PB0
PB1 PB2
PB3 PB4 PB5 PB6 PB7 PB8 PB9 PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7 PA8 PA9
VLCD
RXC- RX0+
D-SUBI/O
02_D-SUBI/O
DDCSDA1
DDCSCL1
R0+
R0- G0- B0+
B0-
G0+
AHS0
EDID_WP
VGA_CABLE_DET
SOG
+5V
AVS0
VGA_5V
EDID_WP
Power
06_POWER
+5V
VCC3.3
V12S
VLCD
Panel_ON
Adj_BACKLIGHT
on_BACKLIGHT Audio_EN
Audio_DET
VGA_5V
SOG
DDCSCL2
G0+
G4032-M0D-000-0040-1-100527
R0+
EDID_WP
DDCSDA1
VLCD
V12S
SCALER-RTD2271W-GR
04_SCALER
RX2+ RX2- RX1+ RX1- RX0+ RX0- RXC+ RXC-
AHS0 B0- B0+
G0- G0+ R0- R0+
Adj_BACKLIGHT
on_BACKLIGHT
DDCSDA1
DDCSCL1
Panel_ON
DDCSDA2
DDCSCL2
DVI_CABLE_DET
EDID_WP VGA_CABLE_DET
SOG
PB0 PB1 PB2 PB3
PB4
PB5 PB6 PB7 PB8 PB9 PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7 PA8 PA9
+5V
VCC3.3
V12S
Audio_EN
Audio_DET
AVS0
DVI5V
VGA_5V
AHS0
DD CSCL1
VLCD
DVI5V
VCC3.3
G0-
+5V
B0- R0-
VGA_5V
B0+
EDID_WP
RX1-
D
OTSTS190DELW C
2 8Thursday,May27,2010 715G4032-M0D-000-0040 <
爹 >
TOP
OEMMODEL Size
Rev
Date Sheet of
TPVMODEL
PCBNAME
爹
TPV(Top VictoryElectronics Co. ,Ltd. )
KeyComponent
絬 隔 瓜 絪 腹
RX2+
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inputpart---VGA+DDC
C147
47nF 16V
DET_VGA
R107
100R1/16W 5%
GIN0- R111 100R1/16W 5%
R118
100R1/16W 5%
G0-5
AVS05
R121 100R 1/16W5%
R114 22K 1/16W 5%
R142
470R1/16W 5%
+5V4,5,7
U101
AT24C02BN-SH-T
1
2
3
45
6
7
8A0
A1
A2
GNDSDA
SCL
WP
VCC
C103
5PF 50V
DDCSDA_A
RIN0-
VGA_5V5
VGA_CABLE_DET5
C110
47nF 16V
R101
100R 1/16W5%
+5V
EDID_WP
B0+5
C146
22pF 50VRIN0
C109
5PF 50V
C101
220N16V
R141
0R05 1/10W
B0-5
VSIN0
R113 4K7 1/16W 5%
B0+
CN101
DB15
1
6
2
7
3
8
4
9
5
11
12
13
14
15 10
17 16
C107
47nF 16V
R120 100R 1/16W5%
R139
0R05 1/10W
VSIN0
BIN0- C104
47nF 16V
GIN0
DDCSCL_A
G0+5
R104
100R1/16W 5%
C114
100N16V
R119 0R051/16W
R115
0R05 1/16W
VSIN0
BIN0
ESD_VGA
RIN0
R110
75R 1/16W 1%
G0+
C108
47nF 16V
R122
2K2 1/16W 5%
HSIN0
R116
100R1/16W 5%
ESD_VGA
RIN0
R109
100R1/16W 5%
ESD_VGA
HSIN0
SOG5
R103
0R05 1/16WBIN0
GIN0
R0-5
RIN0-
HSIN0
BIN0
C145
22pF 50V
DDCSDA1
G0-
C112
NC/22pF 50V
R105
100R 1/16W5%
EDID_WP4,5
GIN0
C106
5PF 50V
DDCSDA_A
R117
75R 1/16W 1%
R123
2K2 1/16W 5%
AHS05
DDCSCL_A
DDCSCL15
C105
47nF 16V
R0-
VGA_CABLE_DET
U102
AOZ8902CIL
1
2
3 4
5
6
CH1
VN
CH2CH3
VP
CH4
R112 4K7 1/16W 5%
VGA_5V
ZD101
RLZ5.6B
R0+5
DDCSCL1
D101
BAV70
3
1 2
R0+
DDCSDA1
DET_VGA
GIN0-
BIN0-
VGA_5V
C102
47nF 16V
B0-
DDCSCL1
C113
100N16V
C111
NC/22pF50V
R140
0R05 1/10W
DDCSDA15
VGA_5V
R143 NC/1M1/16W5%
U103
AOZ8902CIL
1
2
3 4
5
6
CH1
VN
CH2CH3
VP
CH4
R108
0R05 1/16W
R106
75R 1/16W 1%
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LenovoServiceManualL2062bW
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DVI+DDC
C120
NC/1000pF 50V
G4032-M0D-000-0040-1-100527
FB101 0R05 1/10W
EDID_WP3,5
DAT0-
ESD_DVI
ESD_DVI
ESD_DVI
R131 10R 1/16W 5%
RXC+5
RX1+5
R136 10R 1/16W 5%
SDA_DVI
DDCSCL25
R137 10R 1/16W 5%
CN102
JACK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26 25
DAT2-
DAT2+
2/4shield
DAT4-
DAT4+
DDC SCL
DDC SDA
VSYNC
DAT1-
DAT1+
1/3shield
DAT3-
DAT3+
+5V
SYNC GND
HPD
DAT0-
DAT0+
0/5shield
DAT5-
DAT5+
clk shield
clk+
clk-
GND GND
R128 4K7 1/16W 5%
DDCSDA25
ESD_DVI
DVI5V5
DDC_WP
D
OTSTS190DELW B
4 8Thursday, June 03, 2010 715G4032-M0D-000-0040 <
爹 >
DVI
OEMMODEL Size
Rev
Date Sheet of
TPV MODEL
PCBNAME
爹
TPV(Top VictoryElectronics Co . , Ltd.)
KeyComponent
絬 隔 瓜 絪 腹
R127 1K 1/16W
C115
100N16V
ESD_DVI
DAT2+
U106
AOZ8902CIL
1
2
3 4
5
6
CH1
VN
CH2CH3
VP
CH4
DAT2-
R132 10R 1/16W 5%
RX2-5
+5V3,5,7
RX2+5
ESD_DVI
C116
220N16V
U107
AOZ8902CIL
1
2
3 4
5
6
CH1
VN
CH2CH3
VP
CH4
R129 4K7 1/16W 5%
R125 100R 1/16W 5%
R134 10R 1/16W 5%
DVI5V
HPD
U105
AT24C02BN-SH-T
1
2
3
45
6
7
8A0
A1
A2
GNDSDA
SCL
WP
VCC
C119
100N16V
D102
BAV70
3
1 2
DAT0+
R138 10R 1/16W 5% RXC-5
SCL_DVI R126 100R 1/16W 5%
RX0-5
RX0+5
DAT1+
C118
100N16V
ZD102
RLZ5.6B
DVI5V
C117
100N16V
DCLK-
R135 10R 1/16W 5%
DCLK+
DAT1- RX1-5
DET_DVI
U104
AOZ8902CIL
1
2
3 4
5
6
CH1
VN
CH2CH3
VP
CH4
R133 10R 1/16W 5%
R130
22K 1/16W 5%
DVI_CABLE_DET5
DVI5V+5V
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