AOC L1902 Service Manual

HP L1902 Service Manual

-

SERVICE MANUAL

19” LCD Monitor

L1902

THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY

REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE

CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF

PUBLICATION AND DISCLAIMS RELIABILITY FOR CHANGES, ERRORS OR OMISSIONS.

MANUFACTURE DATA ： Feb-29-2004

Page 1 of 69

HP L1902 Service Manual

Table of Contents

Table of Contents ---------------------------------------------------------------------------------- 02

Revision List ---------------------------------------------------------------------------------------- 04

1.Product Feature ---------------------------------------------------------------------05

2 LCD Monitor Description ---------------------------------------------------------------05

3 Operation Instructions --------------------------------------------------------------------06

3.1 General Instructions ------------------------------------------------------------------06

3.2 Control Button -------------------------------------------------------------------------06

3.3 Adjusting The Picture ----------------------------------------------------------------07

4. Input/Output Specification ---------------- --------------------------------------------------- 08

4.1 Input Signal Connector ------------------------------------------------------------------08

4.1.1 Analog D-SUB Connector ----------------------------------------------------------08

4.2 Factory Preset Display Modes --------------------------------------------------------09

4.3 Power Supply Requirements ----------------------------------------------------------09

4.3.1 Input/Output Requirements ------------------------------------------------------09

4.3.2 Inverter Max Brightness -----------------------------------------------------------10

4.3.3 Inverter Min Brightness ------------------------------------------------------------10

5.Panel Specification (LG E03/AU EN04) ------------------------------------------------11

5.1 General Feature -------------------------------------------------------------------------11

5.2 Optical Characteristics ---------------------------------------------------------------12

6. Block Diagram -----------------------------------------------------------------------------------14

6.1 Monitor Exploded View ----------------------------------------------------------------14

6.2 Software Flow Chart ---------------------------------------------------------------------15

Page 2 of 69

HP L1902 Service Manual

6.3 Electrical Block Diagram ----------------------------------------------------------------16

6.3.1 Scalar Board ----------------------------------------------------------------------16

6.3.2 Inverter/Power Board -----------------------------------------------------------17

7. Schematic -----------------------------------------------------------------------------------------19

7.1 Scalar Board ----------------------------------------------------------------------------19

7.2 Inverter/Power Board --------------------------------------------------------------25

7.3 Key Pad Board -------------------------------------------------------------------------26

8. PCB Layout --------------------------------------------------------------------------------------27

8.1 Main Board -----------------------------------------------------------------------------27

8.2 Inverter/Power Board ----------------------------------------------------------------30

8.3 Keypad Board -------------------------------------------------------------------------25

9. Maintainability -----------------------------------------------------------------------------------30

9.1 Equipments and Tools Requirements ---------------------------------------------30

9.2 Trouble Shooting -----------------------------------------------------------------------31

9.2.1 Main Board ------------------------------------------------------------------31

9.2.2 Power/Inverter Board -------------------------------------------------------33

9.2.3 Key Pad Board -----------------------------------------------------------------35

10. White-Balance, Luminance Adjustment ----------------------------------------------- 36

11. EDID Content -----------------------------------------------------------------------------------37

12. BOM List ----------------------------------------------------------------------------------38～69

12.1 T980KGLHKHHPN ------------------------------------------------------38～53

12.2 T980KAXDKHHPN ------------------------------------------------------53～69

Page 3 of 69

HP L1902 Service Manual

Revision List

Revision Date Change Description

A00 May-31-04 Add Panel spec and BOM of AU Panel model

Page 4 of 69

HP L1902 Service Manual

1.PRODUCT FEATURE

48.18cm(19”) a-si TFT Active matrix LCD panel, 0.294mm dot pitch

Scalar chipset : gmZAN3SL ( or MST9111B)

Microprocessor controlled scan technology

16 factory presets, 20 new modes

Vertical refresh rate 50Hz to 75Hz; Horizontal frequency 30kHz to 83kHz

Resolutions: 640 x 480 up to 1280 x 1024

Power Internal AC100V-240V (+/-10%)

Tilt -5° to 20°

CE mark

TCO 03 mark

VESA DPMS compliant

VESA DDC2B compliant and DDC/CI interface.

2. LCD MONITOR DESCRIPTION

The LCD Monitor will contain main board, power board, key board and which house the flat panel control

logic, brightness control logic and DDC.

The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main

board chips each voltage.

Monitor Block Diagram

CCFT Drive.

Flat Panel and

CCFL backlight

Power Board

Main Board

Keyboard

RS232 Connector

For white balance

adjustment in

factory mode

AC-IN

100V-240V

HOST Computer

Video signal, DDC

Page 5 of 69

HP L1902 Service Manual

3. OPERATION INSTRUCTIONS

3.1 General Instructions

Press the power button to turn the monitor on or off. The other control buttons are located

at front panel of the monitor. By changing these settings, the picture can be adjusted

to your personal performance.

The power cord should be connected and insert to adaptor.

-

Connect the video cable from the monitor to the computer VGA card.

-

Press the power button to turn on the monitor, the power indicator will light up to Green.

-

3.2 Control Buttons

- Power Button:

When pressed, the monitor enters the off mode, and the LED turns blank. Press again to restore normal status.

- (Down/ Auto) and + (Up) Button: The -/+ Button is browse OSD key. Press a select into adjustment.

The Auto Adjust Key is used to automatically set the H Position, V Position, Clock and Phase.

- Select Key:

Select key is into OSD sub-menu hot key when OSD turn on.

- Power Indicator: Green — Power On mode. Amber — Power Saving mode. Blank — Power Off Mode.

CONTROL BUTTONS

Select Button Down / Auto Button Up Button On/Off Switch

Page 6 of 69

3.3 Adjust The Picture

1.

Brightness

HP L1902 Service Manual

Adjust the brightness.

2.

3.

4.

5.

Contrast Adjust the contrast

Adjust the: z Auto Adjustment: Adjusts the main settings and produces a

Image Control

Color

Language Shows the language of the OSD window.

Management

stable, centered image.

z H-Position: horizontal position of the screen image. z V-Position: vertical position of the screen image. z Clock: frequency of the pixel clock to minimize vertical bar. z Phase: phase value to minimize horizontal jitters.

z 9300K: recall 9300K color z 6500K: recall 6500K color z SRGB: recall SRGB color z Custom Color: adjusts the color tint of white, and the red,

green, and blue (RGB) mix for colors.

z Power Saver: enable/disable power saving z Power On Recall: enable/disable power recall z Mode Display: enable/disable mode display z Sleep Timer: set sleep timer z Basic Menu: set to basic menu

6.

7.

8.

OSD Control

Factory Reset

Exit Exit the current OSD window.

OSD (on Screen Display) settings: adjusts the H/V position, timeout, On Screen Display window.

Resets the display to original factory settings for color, brightness, phase, and clock.

Page 7 of 69

4. Input/Output Specification

4.1 Input Signal Connector

4.1.1 Analog D-SUB Connector

PIN MNEMONIC SIGNAL

1 RV Red Video

2 GV Green Video

3 BV Blue Video

HP L1902 Service Manual

4 NC

5 GND Ground (DDC Return)

6 RG Red GND

7 GG Green GND

8 BG Blue GND

9 +5 V +5 V (from PC)

10 SG Sync Ground

11 NC None

12 SDA DDC Data

13 HS Horizontal Sync

14 VS Vertical Sync

15 SCL DDC Clock

None

VGA connector layout

PIN 1

PIN 5

PIN 11

Page 8 of 69

4.2 Factory Preset Display Modes

HP L1902 Service Manual

Preset

Pixel

Format

1 640 x 480 31.469 - 59.940 - 25.175 VGA

2 640 x 480 37.861 - 72.809 - 31.500 VESA

3 640 x 480 37.500 - 75.000 - 31.500 VESA

4 720 x 400 31.469 - 70.087 + 28.322 VGA

5 800 x 600 37.879

6 800 x 600 48.077 + 72.188 + 50.000 VESA

7 800 x 600 46.875 + 75.000 + 49.500 VESA

8 832 x 624 49.726 ± 74.551 ± 57.284 MAC

9 1024 x 768 48.363 - 60.004 - 65.000 VESA

10 1024 x 768 56.476 - 70.069 - 75.000 VESA

11 1024 x 768 60.023 + 75.029 + 78.750 VESA

12 1152 x 870 68.68 - 75.06 - 100.000 Mac

13 1152 x 900 71.71 - 76.05 - 105.561 Sun

14 1280 x 1024 63.98 + 60.02 + 108.000 VESA

Horz

Freq (KHz)

Horz

Polarity

+

Vert Freq

(Hz)

60.317 + 40.000 VESA

Vert

Polarity

Pixel Clk

Source

(MHz)

15 1280 x 1024 79.97 + 75.02 + 135.000 VESA

4.3 Power Supply Requirements

4.3.1 Input / Output Requirements

PARAMETER RANGE

AC Input Voltage 90 to 264V

AC Input Frequency 47 to 63 Hz

AC Input Current 1.5A MAX

Inrush Current 60A MAX AT 264VAC COLD START

Leakage Current 3.5 mA MAX and less than 0.25mA at 100Vac

Output voltage / current 12V / 3.5A , 5V / 1.5A

Output power 45W Max

Efficiency >80%

Saving Mode <2W Max @5V/0.1A , 12V/0A

Page 9 of 69

HP L1902 Service Manual

4.3.2 Inverter Max Brightness

(Vadj:4.5v), LOAD=100KΩX4 (ROOM TEMPERATURE 25℃ ±4℃)

ITEM SYMBOL MIN. TYP. MAX. UNIT REMARK

Input voltage Vin 10.8 12 13.2 V

Input current Iin 1700 1870 mA FOR 4LOAD

Output Current Iout 6 6.5 7 mA FOR 1 LOAD

Frequency

H.V open Vopen 1350 1550 1750 Vrms NO LOAD

H.V Load Vload 550 650 750 Vrms

Protect delay time PDT

F 40 50 60 KHZ

0.4 1 4 Sec

FOR 1 LOAD

RL=100KΩ

4.3.3 Inverter Min Brightness

(Vadj:0.0v), LOAD=100KΩX4 (ROOM TEMPERATURE 25℃ ±4℃)

ITEM SYMBOL MIN. TYP. MAX. UNIT REMARK

input voltage Vin 10.8 12 13.2 V

input current Iin -- 500 550 mA FOR 4 LOAD

Output Current Iout 3 3.5 4 mA FOR 1 LOAD

Frequency

H.V open Vopen 1350 1550 1750 Vrms NO LOAD

H.V Load Vload 250 350 450 Vrms

F 40 50 60 KHZ

Page 10 of 69

FOR 1 LOAD

RL=100KΩ

HP L1902 Service Manual

5. PANEL SPECIFICATION

5.1 General Feature

LG LM190E03

Active Screen Size 19.0 inches(481.84mm) diagonal

Outline Dimension 404.2(H) ╳ 330.0(V) ╳ 20.0(D) mm(Typ.)

Pixel Pitch 0.098*RGB(H) ╳ 0.294(V)mm

Pixel Format 1280 horizontal By 1024 vertical Pixels. RGB stripe arrangement

Interface LVDS 2Port

Color Depth 16.2M colors

Luminance, White

Viewing Angle(CR>10) Viewing Angle Free[R/L 140(Typ.), U/D 140(Typ.)]

Power Consumption Total 20.82Watt(Typ.),(2.22Watt @VLCD, 18.60 @ [Lamp=6.5mA])

Weight 2500g(Typ.)

Display Operating Mode Transmissive mode, normally White

Surface treatments Hard coating(3H), Anti-glare treatment of the front polarizer

250 cd/m²(Center 1 Point ,Typ)

AU M190EN04

ITEM Unit Specifications

Screen Diagonal [mm] 480(19.0")

Active Area [mm] 376.32(H) ╳ 301.056(V) Pixels H╳V 1280(╳3) ╳1024

Pixel Pitch [mm] 0.294(per one triad) ╳ 0.294 Pixel Arrangement R.G.B Vertical Stripe Display Mode Normally White

White Luminance [cd/m²] 250(center, Typ)@7mA Contrast Ratio 450:1(Typ.)

Optical Response Time [msec] 16ms(Typ) Color Saturation 72% NTSC

Nominal input Voltage VDD [Volt] +5V

Power Consumption

(VDD line + CCFL line)

Weight [Grams] 2700(TBD)

Physical Size [mm] 396(H) ╳324(V) ╳18(D)(Typ) Electrical interface R.G.B data, Clock Support Color 262k colors(RGB 6-bit data) Surface Treatment Anti-Glare,Hard Coating,3H

Temperature Range

Operating

Storage(Shipping) TCO compliance Meet TCO'03 regulation

[Watt] 28W(Typ.)(w/o inverter, All back pattern)

[℃] [℃]

0 to +50

-20 to +60

Page 11 of 69

5.2 Optical Characteristics

LG LM190E03

HP L1902 Service Manual

Ta= 25 °C, V

=5.0V, fV=60Hz ,Dclk=54MHz

LCD

Values

Parameter Symbol

Units Notes

Min Typ Max

Contrast Ratio CR 300 500 - 1

Surface Luminance, white LWH 200 250 - cd/m² 2

Luminance Variation

δWHITE 5P

1.3 3

Rise Time TrR - 4 6 ms 4

Response time

Decay Time TrD - 12 24 ms 4

Rx 0.639

RED

Ry 0.342 Gx 0.297

GREEN

Color

Coordinates

Gy 0.615

Bx 0.146

Typ

-0.03

Typ

+0.03

BLUE

By 0.068

Wx 0.313

WHITE

Wy

0.329

Viewing Angle(CR>5)

x axis, right(=0°) r 70 80 degree 5 x axis, right(=180°) l 70 80 y axis, up(=90°) u 70 80 y axis, down(=270°) d 70 80

Viewing Angle(CR>10)

x axis, right(=0°) r 60 70 degree 5 x axis, right(=180°) l 60 70 y axis, up(=90°) u 60 70 y axis, down(=270°) d 60 70

Gray Scale 2.2 6

Page 12 of 69

AU M190EN04

ITEM Unit Condition Min. Typ. Max.

HP L1902 Service Manual

Horizontal (Right)

CR=10

Viewing Angle [degree]

Vertical (Up)

Contrast ratio Normal Direction 250 450 –

Response Time

[msec]

(Note 1)

Color/Chromaticity

Coordinates(CIE)

(Left)

CR=10

(Down)

Raising Time – 4 5

Falling Time – 12 20

Rising + Failing – 16 25

Red x 0.604 0.634 0.664

Red y 0.324 0.354 0.384

Green X 0.27 0.3 0.33

Green y 0.585 0.615 0.645

Blue x 0.108 0.138 0.168

Blue y 0.047 0.077 0.107

65

60

70

65

–

(CIE)White

White Luminance@

CCFL 7mA(Center)

Luminance Uniformity

(Note 2)

Closs talk (in 75Hz)

(Note 3)

White x 0.28 0.31 0.34 Color Coordinates

White y 0.3 0.33 0.36

[cd/m²] 200 250 –

[%] 70 75 –

[%] – – 1.5

Page 13 of 69

6. Block Diagram

6.1 Monitor Exploded View

HP L1902 Service Manual

Page 14 of 69

6.2 Software Flow Chart

2

10

12

6 4 3

8

9

14

11 13

1

16

1

19 18

HP L1902 Service Manual

1

1) MCU initialize.

2) Is the eeprom blank?

3) Program the eeprom by default values.

4) Get the PWM value of brightness from

eeprom. Check the pin PANEL1 and PANEL2

to tell which panel to get with it.

5) Is the power key pressed?

5

Turn on the LED and set it to green color.

Scalar initializes.

any signals coming?

digital port?

7

6) Clear all global flags.

7) Are the AUTO and SELECT keys pressed?

8) Enter factory mode.

9) Saving the power key status into eeprom.

10) In standby mode?

11) Update the lifetime of back light.

12) Check the analog and digital port, are there

13) Does the scalar send out a interrupt request?

14) Wake up the scalar.

15) Are there any signals coming from analog or

16) Display " No Input Signal " message. And go into standby mode after the message disappear.

17) Program the scalar to be able to show the coming mode.

18) Process the OSD display.

19) Read the keyboard. Is the power key pressed?

5

7

Page 15 of 69

6.3 Electrical Block Diagram

6.3.1 Scalar Board Block Diagram

HP L1902 Service Manual

Page 16 of 69

6.3.2 Inverter / Power Board Block Diagram

Inverter Block Diagram

HP L1902 Service Manual

Page 17 of 69

HP L1902 Service Manual

Power Block Diagram

Page 18 of 69

7.SCHEMATIC

7.1 SCALAR BOARD

7.1.1 For LG Panel +gmZAN3/SL Project

AC-IN

POWER BOARD

AC-IN

+5.0V

+5V

+12V

REGULATOR -AIC3.3V

+5V

REGULATOR -AIC1.8V

+5V

+3.3V+5V

HP L1902 Service Manual

+3.3V_VDD

GND

OPTIONAL FOR DEBUGGING PURPOSES ONLY

0.1uF/16V

GND

C146

L101

120 OHM

22uF/16V

L103

120 OHM

22uF/16V

L105

120 OHM

CN102

1 2 3 4

G-PROBE

C150

0.1uF/16V

IC104

1

A0

VCC

2

A1

WP

3

A2

SCK

4 5

VSS SI

M24C16-MN6T

INPUT INTERFACE

VSS

DB-TXD

GND

58.27mA

+

C122

GND

83.4mA

+

C136

GND

3.3V_LAVDD

6.4mA

C144

+

C143

0.1uF/16V

10uF

GND

+5V

R128

4.7K 1/16W

GND

+5V

R133

4.7K 1/16W

8 7 6

R145

15K 1/16W

GND

R

G

B

HSI

VSI

DAT_DDC

CLK_DDC

VGA_CON

DB-RXD

C123

C124

C125

0.1uF/16V

3.3V_AVDD

C138

Close to respective power Pins

L106

120 OHM

12/22 BOM/LAYOUT Add R174,R175

EDID-WP1

12/22 BOM R137 NC CHANGE TO 100 OHM

/WP NVRAM_SCL NVRAM_SDA

C126

0.1uF/16V

3.3V_PVDD

0.1uF/16V

Close to respective power Pins

C137

0.1uF/16V

R129

4.7K 1/16W

UDART_DO UDART_DI

R135

R134

4.7K 1/16W

12/22 BOM R135 NC CHANGE TO 4.7K OHM

R137 100 1/16W R139 100 1/16W R141 100 1/16W

12/22 BOM R145 10K CHANGE TO 15K OHM

EDID-WP

GND

0.1uF/16V

8.1mA

C139

0.1uF/16V

GND

TCLK FOR ZAN3SL

SDA

VSS

3.3V_DVDD

C127

R174 100 1/16W

SCL

M24LC02A

+5V

EEPROM

+5V

VCC

P1.7/CEX4

VSS

P2.0

RXD

TXD

MICRO CONTROLLER

W78E65P

C128

0.1uF/16V

12/22

CHANGE NVRAM_SCL P3.5/T1 => P1.4/CEX1

CHANGE NVRAM_SDA P3.4/T0 => P1.3/CEX0

R124-RESET FUNCTION

R124

NC

R126

GND

+5V

R175

4.7K 1/16W

RXD1 TXD1

TCLK

X101

14.318MHz

C148

C147

10pF

GND

ALE

RST

P2.6

+1.8V_VDD

RESET

SP1 SP2 SP3

NVRAM_SDA

100 1/16W

NVRAM_SCL /WP AUDIO_STDBY

UDART_DI UDART_DO

+5V

C149

0.1uF/16V

GND

WINBOND W78E65P-40-56L1125-137-X

RED+

RVDD_3.3

GREEN+

BLUE+

HSYNC

VSYNC

DDC-SDA

DDC-SCL

RESET_OUT

HCLK/ALE

MEM_REG

GPIO11

GPIO12

GPIO13

P0.7

P0.6

P0.5

P2.2

P2.3

KEY_MENU

KEY_RIGHT

L102

120 OHM

22uF/16V

L104

120 OHM

C140

22uF/16V

+5V

R122

4.7K 1/16W

U101

2

P1.0/T2

3

P1.1/T2EX

4

P1.2/ECI

5

P1.3/CEX0

6

P1.4/CEX1

7

P1.5/CEX2

8

P1.6/CEX3/WAIT#

9

P1.7/CEX4/A17/W

10

RST

11

P3.0/RXD

13

P3.1/TXD

14

P3.2/INT0#

15

P3.3/INT1#

16

P3.4/T0

17

P3.5/T1

20

XTAL2

21

XTAL1

35

EA#/VPP

44

VCC

22

VSS

W78E65P

PLCC44 - SOCKET-87L202-44

Philips P89C51RD2 Winbond W77E65P-24/40 SyncMOS SM2965

AVDD_LV_3.3

VDD_OUT_LV_3.3

HFS

HDATA3

P0.4

P0.3

P2.4

P2.5

KEY_ONOFF

KEY_LEFT

139mA

+

C129

GND

42.2mA

+

GND

R123

4.7K 1/16W

KEY_MENU3 KEY_RIGHT3 KEY_LEFT3 KEY_ONOFF3

AUDIO_STDBY3

GMZAN3SLSCALER

CVDD_1.8V

VDD_ADC_1.8V

VDD_RPLL_1.8V

AVDD_RPLL_3.3

AVDD33_ADC_3.3

LVDSO[0-9]

LVDSE[0-9]

BRIGHTNESS

GPIO0

LED_O

GPIO7

LED_G

GPIO6

PPWR

PBIAS

XTAL

TCLK

WRn

RDn

HDATA0

HDATA1

HDATA2

P0.2

VSS

GND

XTAL2

P0.0

P0.1

P3.7/RD#

P3.6/WR#

XTAL1

P3.5

SCL

+5V

X2

X1

14.318MHZ CRYSTAL

/WP

P3.4

WP

SDA

+5V

M24AC16

NC

100 1/16W

R14310K

RP103

Hardwave ISP function

GND

0.1uF/16V

VGA_CAB

C133

3.3V_PVDD

+5V

R14410K

8 7 6 5

R127

4.7K 1/16W

R173 NC

+5V

1.8V_DVDD

C134

C135

0.1uF/16V

3.3V_PVDD

1.8V_AVDD

C176 NC

C177 NC

VGA_CAB 1

DDC_SCL1 DDC_SDA1

RDn WRn

A15

R136 NC

R142

0 1/16W

ALE

R146 0 1/16W

A14

Refer BOOTSTRAP OPTIONS

KEY_UP => A9/P2.1 OF MCU KEY_RIGHT => A10/P2.2 OF MCU KEY_DOWN => A11/P2.3 OF MCU KEY_LEFT => A12/P2.4 OF MCU KEY_ON/OFF => A13/P2.5 OF MCU A14 => MEM_REG(ZAN3SL) A15 => HCLK(ZAN3SL)

X102

0.1uF/16V

3.3V_AVDD

NC

C145

IRQn

DDC_SCL DDC_SDA

GND

C130

C131

C132

0.1uF/16V

Close to respective power Pins

1.8V_AVDD 3.3V_LAVDD

C142

0.1uF/16V

22 1/16W

RED+1 RED-1 GREEN+1

GREEN-1 BLUE+1 BLUE-1

HSYNC1

VSYNC1

24

R125

25

KEY_MENU

26 27

KEY_RIGHT KEY_LEFT

28

KEY_ONOFF

29

A14

30

A15

31

SP6

32

36 37 38 39 40 41 42 43

WRn

18

RDn

19

ALE

33

R130

SP7

34

SP8

23 12 1

+

C107

NC

GND

R138 NC

R140 NC

4.7K 1/16W

KEY_MENU

1

KEY_RIGHT

2

KEY_LEFT

3

KEY_ONOFF

4

A14

R147 4.7K 1/16W

A15

R148 4.7K 1/16W

AUDIO_STDBY

R149 4.7K 1/16W

P3.7/RD#/A16

ALE/PROG#

AD7/P0.7 AD6/P0.6 AD5/P0.5 AD4/P0.4 AD3/P0.3 AD2/P0.2 AD1/P0.1 AD0/P0.0

P3.6/WR#

0.1uF/16V

C141

0.1uF/16V

R121

A8/P2.0

A9/P2.1 A10/P2.2 A11/P2.3 A12/P2.4 A13/P2.5 A14/P2.6 A15/P2.7

PSEN#

NC NC NC NC

+5V

12/22 Add C107 PCB LOCATION 10UF

CON503

LVDSO[0-9]

LVDSE[0-9]

VLCD

GND

CON

GND

Title

Size Document Number Rev

星期一, 十二月

Date: Sheet of

1.8V_DVDD

3.3V_DVDD

U102

69

AVDD_ADC_3.3

79

AVDD_ADC_3.3

89

AVDD_RPLL_3.3

84

VDD_RPLL_1.8

82

VDD_ADC_1.8

81

GND_ADC

72

AGND_ADC

76

AGND_ADC

80

AGND_ADC

83

VSS_RPLL

86

AVSS_RPLL

87

XTAL

88

TCLK

77

RED+

78

RED-

74

GREEN+

75

GREEN-

70

BLUE+

71

BLUE-

95

HSYNC

96

VSYNC

73

SOG_MCSS

91

RESET_OUT

90

RESETn

GND

46

GPIO10/IRQn

97

DDC_SCL

98

DDC_SDA

38

GPIO13/AD7

39

GPIO12/AD6

40

GPIO11/AD5

41

HFS/AD4

42

HDATA3/AD3

43

HDATA2/AD2

44

HDATA1/AD1

45

HDATA0/AD0

37

RDn

36

WRn

35

HCLK/ALE

34

MEM_REG

GMZAN3/SL

PQFP-100

33

51

RVDD_3.3

94

RVDD_3.3

CRVSS

32486468100

GND

473167

92

65

99

CVDD_1.8

VDD_OUT_LV_3.3 VDD_OUT_LV_3.3 VDD_OUT_LV_3.3

CRVSS

93

MAIN BOARD BLOCK

715L1241-C C

22, 2003

1

AVDD_LV_3.3

4 16 28

3

AVSS_LV

15

VSS_OUT_LV

27

VSS_OUT_LV

5

CH3P_LV_E/R0

6

CH3N_LV_E/R1

7

CLKP_LV_E/R2

8

CLKN_LV_E/R3

9

CH2P_LV_E/R4

10

CH2N_LV_E/R5

11

CH1P_LV_E/R6

12

CH1N_LV_E/R7

13

CH0P_LV_E/G0

14

CH0N_LV_E/G1

17

CH3P_LV_O/G2

18

CH3N_LV_O/G3

19

CLKP_LV_O/G4

20

CLKN_LV_O/G5

21

CH2P_LV_O/G6

22

CH2N_LV_O/G7

23

CH1P_LV_O/B0

24

CH1N_LV_O/B1

25

CH0P_LV_O/B2

26

CH0N_LV_O/B3

30

PPWR

29

PBIAS

49

NC

61

NC

66

NC

52

GPIO0/PWM0

53

GPIO1/PWM1

54

GPIO2/DHS

55

GPIO3/DVS

56

GPIO4/DEN

57

GPIO5/DCLK

58

GPIO6/B7

59

GPIO7/B4

60

GPIO8/B6

50

GPIO9/B5

85

VBUFS_RPLL

2

VCO_LV

62

STI_TM1

63

STI_TM2

GND

Title

Size Document Number Rev

C

Date: Sheet of

27

3.3V_DVDD

GND

LVDS_E9 LVDS_E8 LVDS_E7 LVDS_E6 LVDS_E5 LVDS_E4 LVDS_E3 LVDS_E2 LVDS_E1 LVDS_E0

LVDS_E[0..9]

LVDS_O9 LVDS_O8 LVDS_O7 LVDS_O6 LVDS_O5 LVDS_O4 LVDS_O3 LVDS_O2 LVDS_O1 LVDS_O0

LVDS_O[0..9]

PPWR

PPWR 5

PBIAS

PBIAS 5

BRIGHTNESS 5

LED_O 3 LED_G 3

GND

SP10 SP11

GND

ZAN3SL & Micro I/F

715L1241-C C

星期一, 十二月

22, 2003

GND

LVDS_E[0..9] 4

LVDS_O[0..9] 4

47

Page 19 of 69

CN301

CONN

HP L1902 Service Manual

47 1/16W

75 1/16W

R102

R103

R107

GND

75 1/16W

47 1/16W

R108

RXD 2

TXD 2

75 1/16W

2

GND

3

D101 BAV99

1

R115

2.2K 1/16W

FB101 0 1/16W

FB102 0 1/16W

FB103 0 1/16W

C109

NC

3

D105 BAV99

1

2

C117

33pF

R116

2.2K 1/16W

GND

+3.3V_VDD

D106 BAV99

1

2

GND

C118

220pF

R112 47 1/16W

R114 47 1/16W

12/22 BOM R117,R118 10K CHANGE TO 4.7K OHM

NC

C110

R101 100 1/16W

R104 100 1/16W

R105 100 1/16W

C111

NC

R109 100 1/16W

R110 100 1/16W

R111 100 1/16W

VGA_CAB 2

HSYNC 2

VSYNC 2

R119 100 1/16W R120 100 1/16W

R117

4.7K 1/16W

C104 0.047uF

C106 0.047uF

C108 0.047uF

C112 0.047uF

C113 0.047uF

C114 0.047uF

R118

4.7K 1/16W

EDID-WP

RED+ 2

GREEN+ 2

BLUE+ 2

RED- 2

GREEN- 2

BLUE- 2

PC5V

+5V

1

2

D110

BAT54C-GS08

3

IC103

8 1

VCC A0

7 6

SCL

5

SDA

R176

M24C02WMN6

15K 1/16W

12/22 BOM/LAYOUT Add R176 EDIP-WP FUNCTION

GND

DDC_SCL 2 DDC_SDA 2

C119

0.1uF/16V

2

A1A2WP

3 4

GND

DB-RXD

C102

D102

56pF

PC5V

1

HSI

2

VSI

3

CLK_DDC

4

DAT_DDC

5

DB-TXD

6

DB-RXD

7

VGA_CON

8

B

9 10 11 12 13 14

gndB

G

gndG

R

gndR

VGA_CON

HSI

VSI

MLL5232B 5.6V

CLK_DDC DAT_DDC

GND

D107

220pF

GND

C115

0.1uF/16V

GND

C120

GND

PC5V

GND

C116

D108

MLL5232B 5.6V

D111 MLL5232B 5.6V

GND

MLL5232B 5.6V

DB-TXD

C103

56pF

D104

MLL5232B 5.6V

0.1uF/16V

GND

R gndR G gndG B gndB

FB104 0 1/16W

R113 0 1/16W

D109 MLL5232B 5.6V

C121

220pF

D103

R106

GND

MLL5232B 5.6V

D112 MLL5232B 5.6V

Title

Size Document Number Rev

B

Date: Sheet

Input Connectors

715L1241-C C

星期一, 十二月

22, 2003

of

37

LVDS_O[0..9]2

LVDS_O0 LVDS_O1 LVDS_O2 LVDS_O3 LVDS_O4 LVDS_O5 LVDS_O6 LVDS_O7 LVDS_O8 LVDS_O9

LVDS_O0 LVDS_O2 LVDS_O4 LVDS_O6 LVDS_O8 LVDS_E0 LVDS_E2 LVDS_E4 LVDS_E6 LVDS_E8

RXO0RXO1RXO2RXOCRXO3RXE0RXE1RXE2RXECRXE3-

LVDS_E[0..9]2

LVDS_E0 LVDS_E1 LVDS_E2 LVDS_E3 LVDS_E4 LVDS_E5 LVDS_E6 LVDS_E7 LVDS_E8 LVDS_E9

GND

C158

+

2.2uF

CN503

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

CON24A

15.4mA

R172

330 1/8W

+VLCD

0.1uF/16V

C159

RXO0+ RXO1+ RXO2+ RXOC+ RXO3+ RXE0+ RXE1+ RXE2+ RXEC+ RXE3+

LVDS_O1 LVDS_O3 LVDS_O5 LVDS_O7 LVDS_O9 LVDS_E1 LVDS_E3 LVDS_E5 LVDS_E7 LVDS_E9

GND

C160

NC

11/12 　タ NC

11/12 　タ PAGE 47->2.2uf

GND

11/12 　タ LOCATIO N

跑　

Title

Size Document Number Rev

A

Date: Sheet

PANEL INTERFACE

星期一, 十二月

22, 2003

715L1241-C C

of

67

Page 20 of 69

GND GND VCC12V GND VCC5V GND

11/12 4.7K OHM-->NC

Brightness

BRIGHTNESS2

11/12 Add R166,R164,R165,Q103

R166

1K 1/16W

R167 10K 1/16W

PPWR2

CN201

CON402(PITCH 2.00)

1

R171

4.7K 1/16W

C175

0.1uF/16V

HP L1902 Service Manual

+12V

ON_OFF

1

2

3

4

VCC12V

5

6

GND

7

8

VCC5V

9

10

GND

11

12

R163 NC

+5V

GND

680 1/16W

32

Q103 PMBS3904

1

GND

+

C161

R165

0 1/16W

R168 10K 1/16W

Q105 PMBS3904

AO3401

1

G

220uF/25V

+

C169

10uF

11/12 Package

GND

+VLCD

3

Q104

1

AO3401

2

+

C172 10uF

GND

3

D

2

S

R164

+5V

32

C163

0.1uF/16V

　タ

+5V

R162 4.7K 1/16W

+5V

GND

+3.3V_VDD

R169 0 1/16W

982mA

C162

+

220uF/25V

PBIAS 2

C167

0.1uF/16V

SOT-223

U501

AIC1117-33CY

3 2

VI VO

GND

0.8A-max

1

GND

147mA

0.1uF/16V

GND

C168

+3.3V_VDD

+

C166

47uF/16V

GND

11/12 100->47uf

　タ

C164

0.1uF/16V

+5V

+

C165

47uF/16V

GND

11/12 1084-->1117 Package TO252---> SOT223

R170 NC

+5V

D113

GS1D

11/12 　タ SR24->GS1D

D114

GS1D

47uF/16V

+

C170

GND

SOT-223

U502

3 2

VI VO

C173

GND

1

0.8A-max

47uF/16V

11/12 100->47uf

0.1uF/16V

GND GND

204mA

+

C171

　タ

0.1uF/16V

GND

+1.8V_VDD

C174

7.1.2 For AU Panel +MST9111B Project

Title

Size Document Number Rev

B

星期一, 十二月

Date: Sheet of

POWER

715L1241-C C

22, 2003

77

Page 21 of 69