Instr.Serw.HP_F1703_LCDMON.pdf

HP F1703

SERVICE MANUAL

17” LCD Monitor

F1703

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.

HP F1703

Table of Content

Revision List ---------------------------------------------------------------------------------------------------------------------------- 03

1.Monitor Specification -------------------------------------------------------------------------------------------------------------- 04

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

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

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

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

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

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

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

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

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

5.Panel Specification ------------------------------------------------------------------------------------------------------------------- 10

5.1 General Feature ----------------------------------------------------------------------------------------------------------------- 10

5.2 Optical Characteristics --------------------------------------------------------------------------------------------------------- 11

6. Block Diagram ---------------------------------------------------------------------------------------------------------------------- 12

6.1 Monitor Exploded View ------------------------------------------------------------------------------------------------------- 12

6.2 Software Flow Chart ------------------------------------------------------------------------------------------------------------ 13

6.3 Electrical Block Diagram ------------------------------------------------------------------------------------------------------- 15

6.3.1 Scalar Board ---------------------------------------------------------------------------------------------------------------- 15

6.3.2 Inverter/Power Board ----------------------------------------------------------------------------------------------------- 16

7. Schematic ---------------------------------------------------------------------------------------------------------------------------- 17

7.1Main Board ---------------------------------------------------------------------------------------------------------------------- 17

7.2 Inverter Board -------------------------------------------------------------------------------------------------------------------- 23

7.3 Key Board --------------------------------------------------------------------------------------------------------------------

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

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

8.2 Adapter Board ------------------------------------------------------------------------------------------------------------------

8.3 Inverter Board -------------------------------------------------------------------------------------------------------------------

8.4 Power Key Board --------------------------------------------------------------------------------------------------------------- 28

9. Maintainability ----------------------------------------------------------------------------------------------------------------------- 29

9.1 Equipments and Tools Requirements -------------------------------------------------------------------------------------- 29

9.2 Trouble Shooting ---------------------------------------------------------------------------------------------------------------- 30

9.2.1 Main Board --------------------------------------------------------------------------------------------------------------- 30

9.2.2 Inverter Board ---------------------------------------------------------------------------------------------------

9.2.3 Key Pad Board ------------------------------------------------------------------------------------------------------------- 34

10. White-Balance, Luminance Adjustment --------------------------------------------------------------------------------- 35

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

12. BOM List ----------------------------------------------------------------------------------------------------------------------------- 38

HP F1703

Revision List

Version

Date

Revision History

TPV Mode Name

A00

Mar.-06-06

Initial release

T783KSHHCZHAA

HP F1703

1.Monitor Specification

Items

Description

Driving system

TFT Color LCD

Panel

LTM170EU-L11

Size (Active Area)

337.920(H) x270.336 (V)

LCD Panel

Pixel pitch

0.264mm( H )x 0.264mm( V )

Viewable angel

150˚ (H) 135˚ (V) (CR ≥ 10)

Response time (typ.)

13 ms

Contrast Ratio

500:1

Video

Analog

Input

Sync. Type

H/V T TL

H-Frequency

30kHz – 83kHz

V-Frequency

56-76Hz

Display Colors

16.2 million Colors

Dot Clock

140 MHz

Max. Resolution

1280 x 1024

Plug & Play

VESA DDC2B TM

ON Mode

≤ 50W

Power Consumption

Sleep Mode

≤ 2W

OFF Mode

≤ 2W

Power Source

90~264VAC,47~63Hz

Operating Temp: 5°C to 35°C

Environmental

Storage Temp.: -20°C to 60°C

Considerations

Operating Humidity : 20% to 80%

Altitude

Operating

0 to 12,000 feet

HP F1703

2. LCD Monitor Description

The LCD Monitor will contain a main board, a power board, and a key board 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

RS232 Connector

(Include adapter and inverter)

For white balance

adjustment in

Keyboard

factory mode

Video signal, DDC

AC-IN

HOST Computer

90V-264V

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