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Lenovo LXM-L19BH 

Page 19 of 44 

GND

+3.3V_DVDD

RX2-

RX1-

C422

0.1uF

+

C432

22uF/16V

RMADDR7

+3.3V_DVDD

RMDATA6

R

M

D

A

T

A

[0

..7
]

R406

10K  1/16W

 

RXC-

{3}

OSC_SEL

C429

0.1uF

C406

0.1uF

3.3V_AVDD

GND

LV_E0

PWM1/GPIO12/VOLUME

GPIO9/SCL

R425

NC

DDC_SCL_DVI

{3}

3.3V_AVDD

RMDATA1

RMADDR14

C431

0.1uF

BLUE-

{3}

VGA_PLUG

{3}

00 = for TCLK = 14.3 MHz

LV_O1

0

RMADDR11

RMADDR7

FB409

600 OHM

0 = Parallel ROM Interface

RMADDR17

RMADDR2

C445

5pF

HOST_SDA/UART_DO

{3}

DDC_SCL_VGA

X401

14.31818MHz

1 = DDC_VGA. 0 = DDC_DVI

DEV_ADDR(0:6}

ROM_WP#

GND

C440

0.1uF

+

C434

22uF/16V

DDC_SDA_VGA

{3}

PWM1/GPIO12/VOLUME {6}

AUDIO_STBY_MUTE

RMADDR17

R417

10K  1/16W

 

+1.8V_DVDD

RMADDR3

+

C419

22uF/16V

R436

NC

Close to respective power Pins

ROM_ADDR8

LV_E2

C430

0.1uF

BLUE+

{3}

R425 is the switch for using SPI ROM or external Flash ROM.

If you want to use SPI ROM, Please install R425

If you want to use external flash ROM, please use default.

GND

+

C401

22uF/16V

R419

NC

DESCRIPTION

3.3V_AVDD

GND

LV_O7

RMDATA2

C423

0.1uF

R414

NC

+

C427

22uF/16V

DDCHANSEL

+5V

LV_E8

RMDATA0

RMADDR0

RMADDR13

GREEN-

{3}

VCLK

{5}

VCLK

VSYNC

{3}

SOG_MCSS

{3}

RMADDR6

R412

NC

RED-

{3}

Close to respective power Pins

ROM_ADDR(10:11)

AVDD_1.8

DDC_SCL_DVI

0

CVDD_1.8

LBADC_IN2

RED+

{3}

ROM_ADDR(0:6)

RX0-

{3}

C441

0.1uF

RMDATA6

RMADDR12

C410

0.1uF

+

C421

22uF/16V

+3.3V_DVDD

RX0-

HOST_SCL/UART_DI

{3}

+3.3V_DVDD

ROM_WEn
ROM_CSn

1

LV_O4

GPIO0

RMADDR15

FB405

600 OHM

3.3V_AVDD

+1.8V_DVDD

C413

0.1uF

0

R413

NC

RX1+

{3}

VBI_INTR

{5}

GND

RMADDR17

YUV4

R426

NC

GND

R423

NC

LV_O2

SET

0 = Internal ROM on at top of 1M in X86 address

3.3V_LBAD

C425

0.1uF

R434

10K  1/16W

 

0 = Crystal

OCM_USES_TCLK

RXC+

LBADC_IN1

RXC+

{3}

RMADDR16

PPWR

{5,7}

SKIPXROMBOOT

0 = Check for signature in external ROM

3.3V_LVDS

WP

FB408

600 OHM

+5V

GPIO10/SDA

FB404

600 OHM

IR

{7}

YUV6

LV_O5

YUV1

C404

0.1uF

RMADDR2

R427

NC

FB411

NC

3.3V_PLL

HOST_SDA/UART_DO

RMADDR[0..17]

C435

0.1uF

+

C436

22uF/16V

+

C417

22uF/16V

C408

0.1uF

C424

0.1uF

C433

0.1uF

R407

10K  1/16W

 

0

LV_E7

RMADDR8

RMADDR1

+3.3V_DVDD

RMADDR3

RMADDR15

C449

NC

R420

10K  1/16W

 

FORCEXROM

NAME

RX0+

{3}

/RESET

{5}

GND

GPIO7/IRQin

RMDATA4

C439

0.1uF

C442

0.1uF

+1.8V_DVDD

RMADDR1

R437

10K  1/16W

 

PBIAS

RMDATA3

3.3V_AVDD

+5V

RMADDR4

R415

0

 1/

16W

 

LV_E[0..9] {7}

ROM_ADDR(13:14)

ADDRESS

VBI_INTR

RMADDR14

RMADDR10

CVDD_1.8

FB406

600 OHM

C447

0.1uF

DDC_SCL_VGA

{3}

ROM_ADDR7

TCLKSEL(0:1)

RMADDR5

RMADDR12

RMADDR17

RMADDR6

R438

NC

RMADDR0

RMADDR15

C409

0.1uF

The device address for serial host interface

LV_O9

R432

NC

C407

0.1uF

ROM_OEn

RMADDR9

IR

DVI_PLUG

R439

NC

U404

M24C16-MN6T

1

2
3

4

5

6

7

8

A0
A1

A2

VSS

SI

SCK

WP

VCC

00

ROM_ADDR16

AVDD_1.8

RXC-

ROM_ADDR15

VCLK

RMDATA2

RMADDR9

YUV0

RX2-

{3}

GND

GND

ROM_CSn

Route LBADC_IN1 & LBADC_RET as
differential tracks, close to each other.
And ground the return track very close to
the gm5221 and ground pin.

DDC_SDA_VGA

LBADC_IN2

{7}

0

+3.3V_DVDD

3.3V_LBAD

LV_E4

RMADDR3

FB401

600 OHM

AUDIO_STBY_MUTE

{6}

00 = UART; 01 = 2-wire JTAG

0 = OCM_CLK = FCLK; baud rate is 115200

DDC_SDA_DVI

R421

10K  1/16W

 

GND

RMADDR4

C437

0.1uF

1 = Internal ROM (debug mode)

00

C448

0.1uF

TMDS_1.8

RMADDR16

GPIO1

GPIO7/IRQin

C420

0.1uF

R405

249  1/16W

 

PBIAS

{7}

Close to respective power Pins

TMDS_1.8

LV_E9

RMDATA1

RMADDR16

RMADDR11

32-Pin PLCC Socket

+5V

PPWR

RMADDR1

R418

100  1/16W

 

R422

NC

RMADDR11

GPIO8/IRQout

GPIO[0..6] {7}

ROM_HOLD#

GND

LV_E5

RMADDR8

C438

0.1uF

DDC_WP

{3}

3.3V_DVDD

ADC_TEST

OCM_ROM

RMADDR16

+3.3V_DVDD

GND

LV_O3

LV_E3

RMADDR12

ROM_ADDR17

LV_E1

RMDATA4

RMADDR10

RMADDR14

3.3V_LVDS

3.3V_A

AGND

U401

GM5221

PQFP-208

151
152

147

148

142

143

119

118

124

123

129

128

169

170

98

99

100

101

35

36

133

132

114

71
72

77

78

79
80

178

92

93

69

202

201

200

199

198

197

196

195

194

185

4

3

2

1

208

207

204

203

186

187

193

189

192

188

5

154

150

149
153

144

122

117

23

50

73

190

205

166

9

41

75

96

116

67
68

12

121

25

126

28

115

171

26

172

24

137

11

164

181

182

8

42

51

74

76

94

97

140

180

163

165

136

155

48

47

87

86

66

65

33

34

62

59

61

60

58

57

63

64

46

45

44

43

38

37

55

56

32

31

30

29

22

21

49

54

18

17

16

15

14

13

19
20

167

70

135

27

40

113

120

125
130

134

141

145

7

6

95

184

183

191

206

139

179

177

39

168

156

131

127

146

81

82
83

84

85
88

89

90

91

138

10

102

103

106

107

108

109

110

111

112

52

53

104

105

157

158

159

160

161

162

173

174
175

176

RED+
RED-

GREEN+

GREEN-

BLUE+

BLUE-

RX2-

RX2+

RX1-

RX1+

RX0-

RX0+

XTAL

TCLK

GPIO11/PWM0

GPIO12/PWM1

GPIO13/PWM2
GPIO14/PWM3

CH1P_LV_O

CH1N_LV_O

RXC-

RXC+

REXT

HOST_SCL/UART_DI
HOST_SDA/UART_DO

DDC_SCL_VGA

DDC_SDA_VGA
DDC_SCL_DVI

DDC_SDA_DVI

RESETn

GPIO9/NVRAM_SCL

GPIO10/NVRAM_SDA

GPIO15

ROM_ADDR0

ROM_ADDR1

ROM_ADDR2

ROM_ADDR3

ROM_ADDR4

ROM_ADDR5

ROM_ADDR6

ROM_ADDR7

ROM_ADDR8

ROM_ADDR15

ROM_DATA0

ROM_DATA1

ROM_DATA2

ROM_DATA3

ROM_DATA4

ROM_DATA5

ROM_DATA6

ROM_DATA7

ROM_ADDR14

ROM_ADDR13

ROM_ADDR9

ROM_ADDR11

ROM_ADDR10

ROM_ADDR12

ROM_OEn

AVDD_ADC_3.3

AVDD_RED_3.3

AGND_GREEN
AGND_RED

AGND_BLUE

AGND_RX1

AGND_RX2

AVSS_LV_E

RVDD_3.

3

RVDD_3.

3

RVDD_3.

3

RVDD_3.

3

VDD_RPLL_1.

8

CVDD_1.

8

CVDD_1.

8

CVDD_1.

8

CVDD_1.

8

VDD_RX2_1.

8

PPWR

PBIAS

AVSS_LV_E

VDD_RX1_1.

8

AVSS_LV

VDD_RX0_1.

8

AVSS_LV_O

AGND_IMB

AVDD_RPLL_3.3

AVDD_LV_3.3

LBADC_VDD_3.3

AVDD_LV_E_3.3

VDD_RXPLL_1.

8

AVDD_LV_E_3.3

VDD_ADC_1.

8

HSYNC/CSYNC

VSYNC

CRVSS

CRVSS

CRVSS

CRVSS

CRVSS

CRVSS

CRVSS

CRVSS

CRVSS

GND_ADC

GND_RPLL

GND_RXPLL

RESERVED

RESERVED

RESERVED

CRVSS

CVDD_1.

8

JTAG_TDI

RESERVED

CH2P_LV_O

CH2N_LV_O

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

JTAG_TDO

RESERVED

RESERVED

RESERVED

RESERVED

CH0N_LV_O

CH0P_LV_O

RESERVED

JTAG_RESET

CLKN_LV_O

CLKP_LV_O

CH3N_LV_O

CH3P_LV_O

CH0N_LV_E

CH0P_LV_E

RESERVED

NC

CH2N_LV_E

CH2P_LV_E

CLKN_LV_E

CLKP_LV_E

CH3N_LV_E

CH3P_LV_E

CH1P_LV_E

CH1N_LV_E

RESERVED

RESERVED

RESERVED

AVDD_LV_O_3.3
AVDD_LV_O_3.3

AVDD_IMB_3.3

AVDD_RX2_3.3

AVDD_RX1_3.3
AVDD_RX0_3.3

AVDD_RXC_3.3

AVDD_BLUE_3.3
AVDD_GREEN_3.3

ROM_CSn

ROM_WEn

RVDD_3.

3

ROM_ADDR16

ROM_ADDR17

CRVSS

CRVSS

CVDD_1.

8

CVDD_1.

8

LBADC_GND

AVSS_LV_O

AGND_RPLL

AGND_ADC

AGND_RXC

AGND_RX0

SOG_MCSS

GPIO0
GPIO1

GPIO2

GPIO3

GPIO4
GPIO5

GPIO6

GPIO7
GPIO8

CLKOUT

RESERVED

VDATA7/

G

PI

O16

VDATA6/

G

PI

O17

VDATA5/

G

PI

O18

VDATA4/

G

PI

O19

VDATA3/

G

PI

O20

VDATA2/

G

PI

O21

VDATA1/

G

PI

O22

VDATA0/

G

PI

O23

VCLK

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

LBADC_IN1

LBADC_IN2
LBADC_IN3

LBADC_RETURN

ROM_SCLK

LV_O8

3.3V_DVDD

PLL_1.8

RMADDR13

RMADDR6

TP401

RX1-

{3}

DVI_PLUG

{3}

SPI INTERFACE

BOOTSTRAP SIGNALS / PARALLEL ROM

OP_MODE(0:1)

RMDATA5

GND

DDC_WP

WP

RMDATA3

RMDATA0

RMADDR2

C402

0.1uF

U402

NC

1
2

3

4

5

6

7

8

CE#
SO

WP#

VSS

SI

SCK

HOLD#

VCC

XTAL

TCLK

YUV7

C418

0.1uF

FB410

NC

ROM_ADDR9

RX0+

RMADDR[

0.

.17]

RMADDR0

C414

0.1uF

ROM_SDO

GND

+3.3V_DVDD

HOST_SCL/UART_DI

VGA_PLUG

RMADDR4

C415

0.1uF

U403

NC

16

22

24

31

32

13

14

15

12

11

10

9

8

7

6

5

27

26

23

25

4

28

29

17

18

19

20

21

3

2

1

30

GND

CE

OE

WE

VCC

I/O0

I/O1

I/O2

A0

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

A11

A12

A13

A14

I/O3

I/O4

I/O5

I/O6

I/O7

A15

A16

NC

NC/A17

RX2+

{3}

GPIO0/LED_GRN

0

R428

NC

GND

GPIO10/SDA

RX2+

YUV5

C405

0.1uF

RMADDR13

RMADDR15

C412

0.1uF

C428

0.1uF

DDC_SDA_DVI

{3}

PWM0/GPIO11/DIM

{8}

SPI_EN

GND

GND

PLL_1.8

PWM0/GPIO11/DIM

RMDATA7

RMADDR7

RMADDR5

LBADC_IN1

{7}

+1.8V_DVDD

x

ROM_SDI

LV_O6

FB407

600 OHM

R433

NC

R430

NC

3.3V_PLL

RMDATA5

YUV[0..7]

R435

NC

C403

0.1uF

GPIO1/LED_ORANGE

Install a 10K pull-up resistor to indicate a '1', otherwise a '0' is indicated because

ROM_ADDR[17:0] have a 50K  internal pull-down resistor.

RMADDR5

YUV2

TP402

FB403

600 OHM

LV_O[0..9] {7}

GPIO8/IRQout

VIDEO_PW_EN

FB402

600 OHM

C443

0.1uF

HSYNC

{3}

YUV[0..7] {5}

ROM_ADDR12

LV_E6

RMADDR10

R429

NC

C426

0.1uF

GREEN+

{3}

ROM_SCSn

R424

NC

GPIO9/SCL

RMDATA7

R431

NC

+

C411

22uF/16V

R416

NC

Close to respective power Pins

GND

YUV3

LV_O0

RX1+

RMADDR8

C416

0.1uF

RMADDR9

C446

5pF

VIDEO_PW_EN

{5}

 

http://www.wjel.net

Содержание LXM-L19BH

Страница 1: ...CE INFORMATION ONLY EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL WE CANNOT GUARANTEE THE ACCURACY OFTHIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RELIABILITY FOR CHANGES ERRORS OR OMISSIONS MANUFACTURE DATA May 24 2005 h t t p w w w w j e l n e t ...

Страница 2: ...Y ROOM TEMPERATURE 25 4 10 4 4 PANEL SPECIFICATION 11 5 BLOCK DIAGRAM 13 5 1 SOFTWARE FLOW CHART 13 5 2 ELECTRICAL BLOCK DIAGRAM 15 5 2 1 SCALAR BOARD BLOCK DIAGRAM 15 5 2 2 INVERTER POWER BOARD BLOCK DIAGRAM 17 6 SCHEMATIC 19 6 1 MAIN BOARD 19 6 2 INVERTER BOARD 26 7 PCB LAYOUT 27 7 1 MAIN BOARD 27 7 2 POWER INVERTER BOARD 28 8 MAINTAINABILITY 29 8 1 EQUIPMENT AND TOOLS REQUIREMENT 29 8 2 TROUBLE...

Страница 3: ...Lenovo LXM L19BH Page 3 of 44 Revision List Revision Date Change Description h t t p w w w w j e l n e t ...

Страница 4: ...ency 135MHz Max Frequency 1280 x 1024 Drug and Play VESA DDC2BTM Input Interface D Sub 15Pin Input Signal Analog 0 7Vpp Positive Signal 75 Ohm Max Display Area Horizontal 376 32mm Vertical 301 06mm Power DC 12VDC 3 5A Environmental Temperature Humidity Operating Temperature 0 C to 40 C 32 F to 104 F Storing Temperature 20 C to 60 C 4 F to 140 F Operating Humidity 10 to 85 Weight net 4 4kg ON Mode ...

Страница 5: ...el control logic brightness control logic and DDC The Inverter board will drive the backlight of panel and the DC DC conversion Video signal DDC Inverter Power board Flat Panel and CCFL backlight Main Board Keyboard RS232 Connector For white balance adjustment in factory mode HOST Computer CCFL Drive DC IN 100V 240V Monitor Block Diagram h t t p w w w w j e l n e t ...

Страница 6: ...an be adjusted to your personal preferences The power cord should be connected Connect the video cable from the monitor to the video card Press the power button to turn on the monitor the power indicator will light up 3 2 CONTROL BUTTON Power Indicator condition Green Power On mode Orange Power Saving mode 1 Auto Adjust Exit 2 Brightness Adjust 3 Contrast Adjust 4 Menu Select 5 Power Indicator 6 P...

Страница 7: ...tal position Adjust Position Vertical Position Adjust the vertical position Phase Adjust the Phase Video Noise Clock Adjust the Clock Language Set OSD Language OSD Timer Set the display time of OSD menu Color Temperature Color Temperature choose 7800K 6500K user mode OSD Horizontal Adjust the Horizontal Position of OSD menu OSD Position OSD Vertical Adjust the Vertical Position of OSD menu Exit OS...

Страница 8: ...D Sub Signal PIN NO DESCRIPTION PI N NO DESCRIPTION 1 Red 9 5V 2 Green 10 Logic GND 3 Blue 11 GND 4 Ground 12 DDC Serial Data 5 Ground 13 H Sync 6 R Ground 14 V Sync 7 G Ground 15 DDC Serial Clock 8 B Ground VGA Connector layout 1 5 6 10 11 15 h t t p w w w w j e l n e t ...

Страница 9: ... BRINGTHNESS Vadj 5 0V LOAD 120KΩX4 ITEM SYMBOL MIN TYP MAX UNIT REMARK Input voltage Vin 10 8 12 13 2 V Input current Iin 2200 2450 mA FOR 4 LOAD Output Current Iout 6 0 6 5 7 0 mA FOR 1 LOAD Frequency F 52 0 57 0 62 0 KHZ FOR 1 LOAD H V open Vopen 1500 1650 1800 Vrms NO LOAD H V Load Vload 710 810 910 Vrms RL 120KΩ Start voltage Vst 1700 1850 2000 Vrms RL CCFL Protect delay time PDT 0 1 1 4 Sec ...

Страница 10: ...A 1280 H x 1024 V screen format and 16 7M colors RGB 8 bits data All input signals are 2 Channel LVDS interface compatible This module does not contain an inverter card for backlight 4 4 2 DISPLAYS CHARACTERISTICS The following items are characteristics summary on the table under 25 condition 4 4 3 OPTICAL CHARACTERISTICS The optical characteristics are measured under stable conditions at 25 h t t...

Страница 11: ...CFL inverter should be able to give out a power that has a generating capacity of over 1810 voltage Lamp units need 1810 voltage minimum for ignition Note 4 CCFL operation voltage is measured at 25 2 Note 5 The variance of CCFL power consumption is 10 Calculator value for reference ICFL VCFL 4 PCFL Note 6 Definition of life brightness becomes 50 or less than the minimum luminance value of CCFL The...

Страница 12: ...Lenovo LXM L19BH Page 12 of 44 5 BLOCK DIAGRAM 5 1 SOFTWARE FLOW CHART h t t p w w w w j e l n e t ...

Страница 13: ...Lenovo LXM L19BH Page 13 of 44 h t t p w w w w j e l n e t ...

Страница 14: ...BLOCK DIAGRAM LCD Interface LVDS CN403 Scalar GM2321 PQFP 208 Include MCU ADC OSD U401 OSD Control Interface Keypad CN402 EEPROM U402 D Sub Connector CN301 EEPROM U302 EPR_SDA EPR_SCL RXD TXD RGB DB15_SDA DB15_SCL Crystal 14 31818 MHz X401 H Sync V Sync h t t p w w w w j e l n e t ...

Страница 15: ...Lenovo LXM L19BH Page 15 of 44 5 2 2 INVERTER POWER BOARD BLOCK DIAGRAM Inverter Block Diagram h t t p w w w w j e l n e t ...

Страница 16: ...Lenovo LXM L19BH Page 16 of 44 Power Block Diagram h t t p w w w w j e l n e t ...

Страница 17: ...RX0 RX1 RXC RX1 RX0 RED GREEN RED GREEN BLUE BLUE RX2 HSYNC VSYNC DDC_SDA_VGA DDC_SCL_VGA SOG_MCSS HOST_SCL UART_DI HOST_SDA UART_DO DDC_WP VGA_PLUG RX1 IR_IN HSYNC DDC_SCL_VGA LBADC_IN2 LV_O 0 9 GREEN RX0 HOST_SDA UART_DO VBI_INTR SHEET 4 4 GM5221 RX0 RX2 RX1 RX1 BLUE RXC RXC RX0 RX2 GREEN RED RED BLUE GREEN DDC_SCL_DVI DDC_SDA_DVI DDC_SDA_VGA VSYNC PBIAS DDC_SCL_VGA HSYNC PPWR LV_E 0 9 LV_O 0 9 ...

Страница 18: ... GND D302 BAT54C GS08 3 1 2 D308 MLL5232B 5 6V R309 4 7K 1 16W RED 4 A GREEN D307 BAV99 3 1 2 R327 84 5 1 16W 1 R333 10K 1 16W HSYNC 4 DVISCL R336 100K 1 16W U301 M24C02WMN6 4 8 1 2 3 7 6 5 GND VCC A0 A1 A2 WP SCL SDA GND GND U303 74LVC14ADT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1A 1Y 2A 2Y 3A 3Y GND 4Y 4A 5Y 5A 6Y 6A VCC VGA_5V R312 100 1 16W GND GREEN 4 ED303 NC 1 2 R318 47 1 16W 1 ED306 NC 1 2 HSYNC...

Страница 19: ...190 205 166 9 41 75 96 116 67 68 12 121 25 126 28 115 171 26 172 24 137 11 164 181 182 8 42 51 74 76 94 97 140 180 163 165 136 155 48 47 87 86 66 65 33 34 62 59 61 60 58 57 63 64 46 45 44 43 38 37 55 56 32 31 30 29 22 21 49 54 18 17 16 15 14 13 19 20 167 70 135 27 40 113 120 125 130 134 141 145 7 6 95 184 183 191 206 139 179 177 39 168 156 131 127 146 81 82 83 84 85 88 89 90 91 138 10 102 103 106 ...

Страница 20: ...FID GPIO HS CS GPIO VS VBLK GPIO XTAL1 XTAL2 PLL_A18VDD PLL_A18GND CH1_A18VDD CH1_A18GND VI_1A CH2_A18VDD R506 NC YOUT2 TP505 C528 47uF 16V MSTR_SDA YUV 0 7 4 3V3_D R504 10K 1 16W S Video CVBS_IN C515 0 1uF 1V8_A GPIO9 SCL 4 7 PVVS R502 75 1 16W C513 47uF 16V 3V3_D L502 120 OHM GND GND C521 0 1uF Connect two grounds at single point C506 0 001uF TP501 YOUT7 R514 NC 3V3_A GND Chroma GND C505 330pF H...

Страница 21: ...s at single point C606 0 47uF 16V C602 470uF 16V C612 100pF PWM1 GPIO12 VOLUME CN601 PHONEJACK 1 5 2 4 3 R606 1K 1 16W AUDIO_STBY_MUTE PWM2 GPIO13 4 R604 10K 1 16W C601 470uF 16V GND C603 0 1uF 12V GND U601 TDA7496L 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 GND GND GND INL VAROUT_L VOLUME VAROUT_R NC INR SVR STBY MUTE GND OUTR VS VS OUTL GND GND GND R607 1K 1 16W C604 0 47uF 16V C605 470u...

Страница 22: ...ADC_RET C458 NC C455 0 1uF TX1 O TXCK E TXCK O R449 0 1 16W TX0 E GPIO0 LBADC_IN2 4 TX3 O 5mm LV_O3 TX2 O R453 0 1 16W C450 NC TXCK O LV_E0 LBADC_IN1 R444 NC TX3 O R450 100K 1 16W TX1 E When using 12V U701 should be SI9953ADY LV_E 0 9 TX2 O C452 100uF R446 10K 1 16W R447 NC 5V R440 1K 1 16W TX3 E LV_O4 TX1 O LV_E8 LV_O6 LBADC_IN1 GND R441 330 1 16W LV_E4 TX0 O LV_O8 C456 0 1uF 5V LV_O9 GPIO0 LED_G...

Страница 23: ... CONN 2 4 6 8 10 12 1 3 5 7 9 11 DIM GND D802 GS1D U801 AIC1084 33M 3 1 2 VIN ADJ VOUT PWM0 GPIO11 DIM C814 0 1uF C811 0 1uF R804 2K 1 16W GND Q802 PMBS3904 3 2 1 PBIAS 4 GND C809 47uF 16V GND C804 0 1uF GND VCC12V R806 1K 1 16W GND GND Q803 PMBS3904 3 2 1 C810 0 1uF C806 47uF 16V C813 47uF 16V GND GND Q801 PMBS3904 3 2 1 GND R805 1K 1 16W FB801 600 OHM 1 8V_DVDD VCC12V 3 3V_DVDD C812 47uF 16V C80...

Страница 24: ...1 Q205 PMBS3904 3 2 1 Q203 AO4411 1 2 3 4 8 7 6 5 S1 S1 S1 G1 D1 D1 D1 D1 TP1 HVL 1 R231 2K 1 4W C220 1uF 25V R238 12K 1 16W R216 220 1 16W C209 1uF 25V CN203 33L8020 2D 33L8021 2D LAYOUT 1 2 is power GND R223 15K 1 16W TP3 HVL 1 C230 OPEN C217 22pF 3KV R235 620 1 16W Q212 2SC5706 C212 1uF 25V D207 1N4148 C208 330pF R203 5 1K 1 16W C223 150uF 25V R210 15K 1 16W Q206 PMBS3904 3 2 1 C225 OPEN R206 4...

Страница 25: ...Lenovo LXM L19BH Page 25 of 44 7 PCB LAYOUT 7 1 MAIN BOARD h t t p w w w w j e l n e t ...

Страница 26: ...Lenovo LXM L19BH Page 26 of 44 7 2 Power Inverter Board h t t p w w w w j e l n e t ...

Страница 27: ...AINTAINABILITY 8 1 EQUIPMENT AND TOOLS REQUIREMENT 1 Voltmeter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with a IBM Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Service Manual 8 User Manual h t t p w w w w j e l n e t ...

Страница 28: ...cable again Check LED status Replace U401 Show noting Connected the Signal cable again Check Power switch is in Power on status and check if Power switch had been stuck Led Orange OK Keyboard no stuck Led orange Led Green Check the Wire Harness from CN503 Measured RGB R318 R319 R320 H V Input at U401 pin 181 182 does there have signal Check digital signal from CN301 Check Correspondent component s...

Страница 29: ...Replace Power board Re do white balance On Off control 5V on DIM signal control 0V 5V Replace U201 OK Check C454 should have response from 0V to 5V When we switch the power switch from off to on Measured X401 waveform is normal Measured power supply for U401 OK Check U701 Q403 is broken or CN403 solder abnormal Replace U701 Q403 or re solder CN403 OK NG Replace U401 Replace X401 Check power supply...

Страница 30: ...01 14 318MHz Check HS VS input signal are normal OK Replace U401 OK OK Check relative component NG NG Check relative circuit to panel OSD is unstable or not working Is Keypad Board connecting normally Connect Keypad Is Button Switch normally Replace Button Switch Y N N Is Keypad Board Normally Replace Keypad Board Y N Y Check Main Board h t t p w w w w j e l n e t ...

Страница 31: ...e volt 120V or 220V NG Change F901 check BD901 Q903 and IC901 Check the voltage of C905 Check R906 R907 IC901 Check start voltage for the pin3 of IC901 NG Check the auxiliary voltage is smaller than 20V 1 Check IC902 IC903 ZD901 2 Check Q901 Q902 OVP circuit OK OK OK NG NG Check D910 D912 IC902 IC903 NG h t t p w w w w j e l n e t ...

Страница 32: ...U201 pin9 12V NG OK Change Q201 or Q202 Check the pin1 of U201 have saw tooth wave NG OK Change U201 Check D201 have the output of square wave at short time NG OK Check Q203 Q209 Q210 D201 Check the resonant wave of pin2 pin5 for PT201 NG Check the output of PT201 Check Q209 Q210 C213 Check connecter lamp OK NG Change PT201 OK h t t p w w w w j e l n e t ...

Страница 33: ...y window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN of color1 on factory window until chroma 7120 indicator reached the value G 100 6 Adjust the BLUE of color1 on factory window until chroma 7120 indicator reached the value B 100 7 Repeat above procedure item 4 5 6 until chroma 7120 RGB value meet the tolerance 100 2 B Adjust 6500K color temperature 1 Switch the chroma ...

Страница 34: ...3 68 26 1E 78 2A 6D 65 A2 5A 4C 9D 23 32 13 4F 54 AF EF 00 81 80 01 01 01 01 01 01 01 01 48 01 01 01 01 01 01 64 19 00 40 41 00 26 30 18 88 64 36 00 78 2D 11 00 00 18 00 00 00 FF 00 31 34 35 80 36 37 38 39 30 31 32 33 34 35 00 00 00 FD 00 37 96 4B 1E 53 0E 00 0A 20 20 20 20 20 20 00 00 00 FC 112 00 4C 58 4D 2D 4C 31 39 42 48 0A 20 20 20 00 72 h t t p w w w w j e l n e t ...

Страница 35: ... EPS L 1 PCS 44G3924 2 EPS R 1 PCS 44G3924608 1A CARTON 1 PCS 45G 76 28 RN PE BAG FO MANUAL BASE 1 PCS 45G 88606 PE BAG FOR BASE 1 PCS 45G 88609 C EPE COVER 1 PCS 45G 88626 1 PE BAG FOR MONITOR 1 PCS 50G 600 2 HANDLE1 1 PCS 50G 600 3 HANDLE2 1 PCS 52G 1185 6B LENOVO MIDDLE TAPE 12 CM 52G 1186 SMALL TAPE 8 CM 52G6020 5 PROTECT FILM 1 PCS 52G6025 11699 INSULATE SHEET 1 PCS 85G 676 1 SHIELD CONN DOOR...

Страница 36: ...0 25V MATSUSH 1 PCS C806 67L309V470 3 47UF 16V 85C 1 PCS C807 67L309V470 3 47UF 16V 85C 1 PCS C809 67L309V470 3 47UF 16V 85C 1 PCS C812 67L309V470 3 47UF 16V 85C 1 PCS C813 67L309V470 3 47UF 16V 85C 1 PCS CN301 88G 35315FHSW GP D SUB 1 PCS CN402 33G8019 8C FPC FFC CONN 1 PCS CN403 33G801724E H WAFER 1 PCS CN801 33G8022 12 H PIN HEADER FEMALE 2 6 9 1 PCS X401 93G 22 53 J 14 31818MHZ 32PF 49US 1 PCS...

Страница 37: ... X7R 1 PCS C420 65G0603104 32 CHIP 0 1UF 50V X7R 1 PCS C422 65G0603104 32 CHIP 0 1UF 50V X7R 1 PCS C423 65G0603104 32 CHIP 0 1UF 50V X7R 1 PCS C424 65G0603104 32 CHIP 0 1UF 50V X7R 1 PCS C425 65G0603104 32 CHIP 0 1UF 50V X7R 1 PCS C426 65G0603104 32 CHIP 0 1UF 50V X7R 1 PCS C428 65G0603104 32 CHIP 0 1UF 50V X7R 1 PCS C429 65G0603104 32 CHIP 0 1UF 50V X7R 1 PCS C430 65G0603104 32 CHIP 0 1UF 50V X7R...

Страница 38: ... 60230 BAT54C L43 1 PCS D303 93G 39147 TZMC5V6 1 PCS D304 93G 39147 TZMC5V6 1 PCS D305 93G 6433P BAV99 1 PCS D306 93G 6433P BAV99 1 PCS D307 93G 6433P BAV99 1 PCS D310 93G 39147 TZMC5V6 1 PCS D311 93G 39147 TZMC5V6 1 PCS D312 93G 39147 TZMC5V6 1 PCS D313 93G 39147 TZMC5V6 1 PCS D801 93G1004 3 SS14 1 PCS D802 93G1020 1 S GS1D 1 PCS D803 93G1020 1 S GS1D 1 PCS FB301 71G 59C300 CHIP BEAD 1 PCS FB302 ...

Страница 39: ...T SM 0603 RC0603 100R 1 PCS R316 61L0603200 CHIP 20OHM 1 10W 1 PCS R317 61L0603200 CHIP 20OHM 1 10W 1 PCS R318 61L0603470 9F CHIP 47OHM 1 10W 1 1 PCS R319 61L0603470 9F CHIP 47OHM 1 10W 1 1 PCS R320 61L0603470 9F CHIP 47OHM 1 10W 1 1 PCS R321 61L0603750 9F 75OHM 1 1 10W 1 PCS R322 61L0603750 9F 75OHM 1 1 10W 1 PCS R323 61L0603750 9F 75OHM 1 1 10W 1 PCS R324 61L0603845 9F CHIP 84 5OHM 1 16W 1 1 PCS...

Страница 40: ...CS R450 61L0603104 RST SM 0603 RC0603 100K 1 PCS R451 61L0603104 RST SM 0603 RC0603 100K 1 PCS R452 61L0603472 RST SM 0603 RC0603 4K7 1 PCS R453 61L0603000 RST SM 0603 JUMP MAX 0R 1 PCS R801 61L0603202 CHIPR 2K OHM 5 1 10W 1 PCS R802 61L0603103 RST SM 0603 RC0603 10K 1 PCS R803 61L0603103 RST SM 0603 RC0603 10K 1 PCS R804 61L0603202 CHIPR 2K OHM 5 1 10W 1 PCS R805 61L0603102 RST SM 0603 RC0603 1K ...

Страница 41: ...210 0236 1 PCS CON203 33G8021 2D AC CONN 2P R A 87210 0236 1 PCS CON204 33G8021 2D AC CONN 2P R A 87210 0236 1 PCS L101 71G 55 28 FERRITE BEAD 7 62 5 08 1 PCS L102 73G 253138 Y CHOKE BY 1 PCS L201 73G 253138 Y CHOKE BY 1 PCS L202 73G 253138 Y CHOKE BY 1 PCS L203 73G 174 30YSA FILTER 1 PCS L204 73G 174 30YSA FILTER 1 PCS PT201 80LL15T 7YSG X FMR 1 PCS PT202 80LL15T 7YSG X FMR 1 PCS Q209 57G 761 6 2...

Страница 42: ...2V LL4148 GS08 1 PCS D207 93G 6432V LL4148 GS08 1 PCS D208 93G 6432V LL4148 GS08 1 PCS D209 93G 6432V LL4148 GS08 1 PCS D210 93G 6432V LL4148 GS08 1 PCS F201 61L1206000 4 0 OHM 4A 1 4W 1 PCS Q201 57G 760 5B PDTC144WK SOT346 1 PCS Q202 57G 760 4B PDTA144WK SOT346 1 PCS Q203 57G 763 3 AO4411 SO 8 1 PCS Q204 57G 763 3 AO4411 SO 8 1 PCS Q205 57G 417 4 PMBS3904 PHILIPS SMT 04 1 PCS Q206 57G 417 4 PMBS3...

Страница 43: ...1L0603621 CHIPR 620 OHM 5 1 10W 1 PCS R235 61L0603621 CHIPR 620 OHM 5 1 10W 1 PCS R236 61L0603511 CHIPR 510 OHM 5 1 10W 1 PCS R237 61L0603511 CHIPR 510 OHM 5 1 10W 1 PCS R238 61L0603123 CHIP 12K OHM 1 10W 1 PCS R239 61L0603123 CHIP 12K OHM 1 10W 1 PCS R240 61L0603513 CHIP 51K OHM 1 10W 1 PCS R241 61L0603513 CHIP 51K OHM 1 10W 1 PCS U101 56L 563 11 SI 8050SD 1 PCS U201 56L 379 35 FP5451DR 1 PCS 715...

Страница 44: ...PR 1 5KOHM 5 1 10W 1 PCS R4 61L0603102 RST SM 0603 RC0603 1K P 1 PCS R5 61L0603102 RST SM 0603 RC0603 1K P 1 PCS R7 61L0603302 CHIPR 3K OHM 5 1 10W 1 PCS SW101 77L 604 2 TO TACT SW BY TOUKE TS 9 T 1 PCS SW102 77L 604 2 TO TACT SW BY TOUKE TS 9 T 1 PCS SW103 77L 604 2 TO TACT SW BY TOUKE TS 9 T 1 PCS SW104 77L 604 2 TO TACT SW BY TOUKE TS 9 T 1 PCS SW105 77L 604 2 TO TACT SW BY TOUKE TS 9 T 1 PCS 1...

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