19" LCD Colour Monitor
Service
Service
Service
SH4 HP L1940
EJ6B6CT/74
EJ6B6CT/00
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Horizontal frequencies |
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30 - 83 kHz |
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TABLE OF CONTENTS |
Description |
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General Product Specification |
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Scaler Schematic Diagram ------------------------------------------------------------------------------------------------- |
28~32 |
Scaler Board C.B.A.---------------------------------------------------------------------------------------------------------- |
33~34 |
Power Schematic Diagram-------------------------------------------------------------------------------------------------- |
35~36 |
Power Board C.B.A.---------------------------------------------------------------------------------------------------------- |
37~38 |
Control Schematic Diagram ----------------------------------------------------------------------------------------------------- |
39 |
Control Board C.B.A. -------------------------------------------------------------------------------------------------------- |
40~41 |
Spareparts list----------------------------------------------------------------------------------------------------------------- |
42~43 |
Recommended parts list --------------------------------------------------------------------------------------------------------- |
44 |
Different Parts List----------------------------------------------------------------------------------------------------------------- |
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SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING.
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES
Published by BCU Monitors |
Printed in Suzhou |
Copyright reserved |
Subject to modification K Jun. 30 2005 |
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GB 3138 106 10487 |
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2 HP L1940
Go to cover page
GENERAL PRODUCT SPECIFICATION
HP L1940
GENERAL PRODUCT
SPECIFICATION
. ANALOG AND DIGITAL DUAL INPUT
. AUTO PICTURE ADJUSTMENT
. 15 FACTORY PRESET MODES 10 USER MODES
. USER FRIENDLY OSD DISPLAY FOR MODE IDENTIFICATION/ADJUSTMENT
. DDC 2B COMMUNICATION CAPABILITY and DDC/CI SUPPORT
. MAX. RESOLUTION 1280*1024 NON-INTERLACED AT 76 HZ
. 19" COLOR TFT LCD FLAT PANEL
. EASY TILT & SWIVEL BASE
. FULL RANGE POWER SUPPLY 90 - 265 VAC
. CE ENVIRONMENTAL POLICY
. ANTI-GLARE TO REDUCE LIGHT REFLECTION
. POWER MANAGEMENT CAPABILITY
. TCO2003
. USB 2.0 HUB
19 inch LCD Monitor
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TYPE |
: EJ6B6CT/74 |
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8639 000 16572 |
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BRAND |
: HP L1940 |
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GENERAL PRODUCT SPECIFICATION(Continued)
HP L1940 |
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3 |
Go to cover page
CONTENTS
1.0Foreword
2.0Product profile
2.1LCD
2.2Scanning frequencies
2.3Video dot rate
2.4Power input
2.5Power consumption
2.6Dimensions
2.7Weight
2.8Functions
2.9Ambient temperature
2.10Regulatory compliance
3.0Electrical characteristics
3.1Interface signals
3.2Interface
3.2.1D-sub cable
3.2.2DVI cable
3.2.3OSD function control
3.3Timing requirement
3.3.1Mode storing capacity
3.3.2Factory preset timings
3.3.3Horizontal scanning
3.3.4Vertical scanning
3.4Power input connection
3.5Power management
3.6Display identification
3.6.1Analog DDC
3.6.2Digital DDC
4.0Visual characteristics
4.1Test conditions
4.2Resolution
4.3Average surface brightness
4.4Brightness uniformity
4.5Check cross talk
4.6White color adjustment
5.0Mechanical characteristics
5.1Controls
5.2Unit dimension / weight
5.3Tilt and swivel base
5.4Transportation packages
5.4.1Shipping dimension / weight
5.4.2Block unit / palletization
6.0Environmental characteristics
6.1Susceptibility of display to external environment
6.1.1Temperature ranges
6.1.2Humidity
6.1.3Altitude
6.2Transportation tests
6.2.1Drop
6.2.2Vibration and shock
6.2.3Operating condition
6.2.4Non-operating
6.3Display disturbances from external environment
7.0Reliability
7.1Mean time between failures
19 inch LCD Monitor
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TYPE |
:EJ6B6CT/74 |
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8639 000 16572 |
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BRAND |
:HP L1940 |
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4 HP L1940
Go to cover page
GENERAL PRODUCT SPECIFICATION
8.0Quality assurance requirements
8.1Acceptance test
9.0Serviceability
10.0Defect
10.1Visual inspection
10.2Mechanical light leakage
10.3Allowable defect
10.4Defect limits
10.5Smudges, streaks and smears
10.6Mura and splotches
10.7Optical light leakage
10.8LCD inspection
11.0USB 2.0 HUB
19 inch LCD Monitor
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TYPE |
: EJ6B6CT/74 |
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8639 000 16572 |
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BRAND |
: HP L1940 |
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GENERAL PRODUCT SPECIFICATION(Continued) |
HP L1940 |
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5 |
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Go to cover page |
1.0 |
FOREWORD |
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This specification describes a 19" SXGA multi-scan color TFT LCD monitor with max resolution up to |
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1280*1024 /76 Hz non-interlaced. |
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2.0 |
PRODUCT PROFILE |
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This display monitor unit is a color display monitor enclosed in HP styling cabinet, which has an |
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integrated tilt and swivel base. |
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Branding Name |
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HP L1940 |
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Panel Technology |
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MVA or IPS |
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HP Jewel |
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Y |
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Blue LED Power Button |
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N |
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VESA Mounting |
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Y |
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VESA cover |
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N |
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Internal Power Supply |
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Y |
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Base Concept |
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double hinge |
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Tilt |
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Y |
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Swivel |
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Y |
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Pivot |
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Y |
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Height Adjustment |
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Y |
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Detachable Base |
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Y |
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Cable Management |
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Y |
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Monitor Dimensions |
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413x477x265 mm |
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Monitor Weight |
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8.4 Kg |
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Packaged Dimensions |
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524x239x513 mm |
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Packaged Weight |
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10 Kg |
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USB HUB (up / down) |
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1 / 2 |
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USB Cable included |
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Y |
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Internal Speakers |
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N |
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External Speakers |
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N |
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Audio Bar Compatible |
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Y |
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Speaker Power Output |
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Y-via USB |
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Speaker Power Cable included |
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N |
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Detachable Video Cables |
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Y |
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Audio Cable included |
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N |
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VGA signal input |
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Y |
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DVI-D signal input |
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Y |
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DVI-I signal input |
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N |
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VGA Cable included |
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Y |
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DVI cable included (-D or -I) |
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N |
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S-Video / Composite Video |
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N |
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# of Presets |
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15 |
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19 inch LCD Monitor |
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TYPE |
:EJ6B6CT/74 |
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8639 000 16572 |
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BRAND |
:HP L1940 |
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2005-06-03 |
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Thomas Chen |
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26 |
590 |
4 |
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2005-06-03 |
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6 HP L1940
Go to cover page
GENERAL PRODUCT SPECIFICATION
Horizontal Frequency Range |
30 - 83 kHz |
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Vertical Frequency Range |
50 - 76 Hz |
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Maximum Pixel Clock |
140 MHz |
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Panel Color Depth (bits / color) |
6 + 2 |
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Pixel Pitch |
0.294 x 0.294 mm |
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Brightness (MIN) |
200 nits |
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Contrast Ratio (MIN) |
300 |
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Viewing Angles (MIN / TYP) |
140 / 150 |
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Response Time (r+f TYP) |
<25ms |
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OSD Controls Supported |
hp 4 button |
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Maximum Power Consumption |
70W |
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Sw Off / Sleep Pwr Consumption |
1W / 2W |
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TCO03 |
Y |
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2.1LCD
a.) |
Type NR. |
: LM190E05_SL01 (LPL) |
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Number of Pixels. |
: 1280 (H) x 1024 (V) |
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Physical Size. |
: 396.0(H) 324.0(V) 20.0(D) mm |
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Pixel Pitch. |
: 0.294 x 0.294 mm |
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Color pixel arrangement. |
: RGB stripes arrangement |
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Support Color. |
: 8 bit (16.7M Colors) |
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Display Mode. |
: Transmissive Mode,Normally Black |
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Backlight. |
: CCFL edge light system |
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Active area. (WxH). |
: 376.32(H) x 301.06(V)mm (19" diagonal) |
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Viewing Angle. |
: Vertical 178 degree, Horizontal 178 degree (CR=10) |
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Contrast ratio. |
: 800:1 |
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Luminance. |
: 250 cd/m2 (Typ) |
b.) |
Type NR. |
: M190E3-L01 (CMO) |
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Number of Pixels. |
: 1280 (H) x 1024 (V) |
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Physical Size. |
: 404.22(H) 330.0(V) 20.0(D) mm |
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Pixel Pitch. |
: 0.294 x 0.294 mm |
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Color pixel arrangement. |
: RGB stripes arrangement |
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Support Color. |
: 8 bit (16.7M Colors) |
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Display Mode. |
: Transmissive Mode, Normally Black |
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Backlight. |
: CCFL edge light system |
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Active area. (WXH). |
: 376.32(H) x 301.056(V)mm (19" diagonal) |
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Viewing Angle. |
: Vertical 170 degree, Horizontal 170 degree (CR=10) |
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Contrast ratio. |
: 800:1 |
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Luminance. |
: 250 cd/m2 (Typ) |
2.2Scanning frequencies
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H-Frequency. |
: 30K - 83 K Hz |
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V-Frequency. |
: 56 - 76 Hz |
2.3 |
Video dot rate. |
: < 140 MHz |
2.4 |
Power input. |
: 90-265 V AC, 50/60 2 Hz |
2.5 |
Power consumption. |
: < 70 W maximum (with USB ) |
2.6 |
Dimensions. |
: 413(W) * 477(H) * 265(D) mm |
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19 inch LCD Monitor |
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TYPE |
: EJ6B6CT/74 |
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8639 000 16572 |
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BRAND |
: HP L1940 |
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2005-06-03 |
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Thomas Chen |
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5 |
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2005-06-03
GENERAL PRODUCT SPECIFICATION(Continued)
HP L1940 |
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7 |
Go to cover page
2.7 |
Net Weight. |
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: 8.4 kg |
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2.8 |
Functions: |
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(1) |
D-Sub analog R/G/B separate inputs, H/V sync separated |
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(2) |
DVI-D digital Panel Link TMDS input |
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(3) |
USB 2.0 HUB with one upstream port and two downstream port |
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2.9 |
Ambient temperature |
: 5 C - 35 C |
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2.10 |
Regulatory compliance: |
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EN 60950 (IEC 950): |
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CB SCHEME CERTIFICATION: |
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UL APPROVAL: |
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CSA APPROVAL: |
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VDE / TUV APPROVAL: |
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NORDIC SAFETY APPROVAL: |
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MEXICAN SAFETY COMPLIANCE: |
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POLAND COMPLIANCE (PCBC): |
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RUSSIAN COMPLIANCE (GOST): |
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SLOVENIAN APPROVAL (SIQ): |
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Safety |
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SLOVAK REPUBLIC APPROVAL (EVPU): |
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CROATIA APPROVAL (KONKAR): |
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CHINA APPROVAL (CCC): |
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SINGAPORE CONSUMER PROTECTION REGISTRATION SCHEME OF |
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SINGAPORE ( SISIR ): |
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UKRAINE APPROVAL (UKRSERTCOMPUTER): |
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SAUDI ARABIA APPROVAL (SASO): |
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BELARUS APPROVAL (BNCI): |
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LITHUANIA APPROVAL (INFOSTRUKTURA): |
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ARGENTINA CERTIFICATION (IRAM): |
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FCC APPROVAL (USA): Part 15 class B |
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C.I.S.P.R. REQUIREMENTS: C.I.S.P.R. Publication 22 Class B. |
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V.C.C.I. APPROVAL (Japan): Class B. |
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MINISTRY OF COMMERCE REQUIREMENTS (New Zealand): Class B. |
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CANADIAN REQUIREMENTS: ICES-003 Class B |
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AUSTRALIAN ACA APPROVAL: ACA AS/NZS 3548, Class B |
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TAIWAN BSMI APPROVAL: (CNS) 13438 (CISPR 22), Class B |
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EMC |
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CHINA CCC APPROVAL: |
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KOREA MIC APPROVAL: MIC Korea "EMC Registration Regulation" Class B |
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HARMONIC CURRENT EMISSIONS : IEC 61000-3-2 (EN 61000-3-3 ) |
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VOLTAGE FLUCTUATIONS FLICKER REQUIREMENTS: |
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IEC 61000-3-3 ( EN 61000-3-2 ) |
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EN 55022:1998 |
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EN 55024 consisting of: IEC 61000-4-2 / -3 /-4/ -5 / -6 / -8 / -11 |
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ISO ERGONOMICS: ISO13406-2 (Class II is required for pixel defects )(TUV/ERG ) |
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SWEDISH ERGONOMICS AND EMISSIONS: MPRII, TCO99, Nutek |
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Ergonomics |
GERMAN ERGONOMIC APPROVAL: EK1-ITB2000 ( TUV/GS ) |
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TCO 2003 APPROVAL: (in feature) |
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CCC (China), CE (Europe), CSA (Canada), |
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IEC950 CB Report, NOMNYCE (Mexico), |
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Agency |
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PSB (Singapore), SEMKO (Nordic), IRMA ( Argentina ) |
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TUV (Germany), UL (USA) GOST (Russia), |
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B-MARK (Poland), DEMKO (Nordic), FIMKO (Nordic), |
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SISIR, CPA (Singapore), EZU (Czech) , MIC ( Korea) |
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Compatibility |
PC2001, Windows 2000, Windows 98/Me, Windows XP, NSTL,USB-IF |
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19 inch LCD Monitor |
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TYPE |
:EJ6B6CT/74 |
8639 000 16572 |
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BRAND :HP L1940
2005-06-03
Thomas Chen |
26 |
590 |
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6 |
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2005-06-03
8 HP L1940
Go to cover page
GENERAL PRODUCT SPECIFICATION
3.0Electrical characteristics
3.1Interface signals
The input signals can be applied in two different modes: 1). D-shell Analog
Input signal : Video, H-sync, V-sync,
Video |
: 0.7 V p-p, input impedance, 75 ohm |
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Sync. |
: Separate sync |
TTL level, input impedance 2k2 ohm termination |
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H-sync |
Positive/Negative |
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V-sync |
Positive/Negative |
2). Intel DVI Digital
Input signal: Four channel TMDS signals. The digital interface shall be comprised of 2 electrical layer component: a TMDS interface for low-voltage differential serial encoding of the digital display data(Panel Link compliant) and a DDC2B electrical interface. Refer to the Digital Display Working Group(DDWG) document, "Digital Visual Interface(DVI) Specification, Revision 1.0" for the exact requirements.
3.2 |
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Interface |
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3.2.1 |
D-Sub Cable |
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Length |
: 1.8 M +/- 50 mm (fixed) |
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Connector type |
: D-sub male with DDC-2B pin assignments. |
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Blue connector thumb-operated jack screws |
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Pin Assignment: |
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PIN No. |
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SIGNAL |
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1 |
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Red video input |
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2 |
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Green video input |
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3 |
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Blue video input |
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4 |
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GND |
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5 |
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Cable detect |
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6Red video GND
7Green video GND
8Blue video GND
9DDC +3.3V or +5V
10GND
11GND
12Serial data line (SDA)
13H-sync
14V-sync
15Data clock line (SCL)
3.2.2DVI Cable
The input signals are applied to the display through DVI-D cable. |
|
Length |
: 1.8 M +/- 50 mm (fixed) |
Connector type |
: DVI-D male with DDC-2B pin assignments |
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White connector thumb-operated jack screws |
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19 inch LCD Monitor |
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TYPE |
: EJ6B6CT/74 |
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8639 000 16572 |
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BRAND |
: HP L1940 |
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2005-06-03 |
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Thomas Chen |
26 |
590 |
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7 |
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|
2005-06-03
GENERAL PRODUCT SPECIFICATION(Continued) |
HP L1940 |
|
9 |
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Go to cover page |
Pin Assignment: |
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Pin No. |
Description |
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1 |
T.M.D.S. data2- |
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2 |
T.M.D.S. data2+ |
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3 |
T.M.D.S. data2 shield |
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4 |
No Connect |
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5 |
No Connect |
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6 |
DDC clock |
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7 |
DDC data |
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8 |
No Connect |
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9 |
T.M.D.S. data1- |
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10 |
T.M.D.S. data1+ |
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11 |
T.M.D.S. data1 shield |
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12 |
No Connect |
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13 |
No Connect |
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14 |
+5V Power |
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15 |
Ground (for +3.3V) - Cable detect |
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16 |
Hot plug detect |
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17 |
T.M.D.S. data0- |
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18 |
T.M.D.S. data0+ |
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19 |
T.M.D.S. data0 shield |
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20 |
No Connect |
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21 |
No Connect |
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22 |
T.M.D.S clock shield |
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23 |
T.M.D.S. clock+ |
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24 |
T.M.D.S. clock- |
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3.2.3 |
OSD Function Control |
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Philips follow up HP's requirement to create OSD function and HP approve the OSD function. If any deviation |
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between sheet 590 and customer specification and really product, production should follow up really product. |
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OSD (On Screen Display) function |
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(1) Analog interface OSD: |
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a. |
Basic OSD Menu Levels |
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Analog Mode Menu |
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Menu LEVEL 1 |
Menu LEVEL 2 |
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Brightness |
ADJ Scale |
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Contrast |
ADJ Scale |
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Auto Adjustment |
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Advanced Menu |
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Exit |
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Digital Mode Menu |
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Menu LEVEL 1 |
Menu LEVEL 2 |
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Brightness |
ADJ Scale |
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Contrast |
ADJ Scale |
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Advanced Menu |
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Exit |
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19 inch LCD Monitor |
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|
TYPE |
:EJ6B6CT/74 |
|
|
8639 000 16572 |
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BRAND |
:HP L1940 |
|
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|
2005-06-03 |
|
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|
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|
Thomas Chen |
|
26 |
590 |
8 |
||
|
|
2005-06-03 |
|
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|
10 HP L1940
Go to cover page
GENERAL PRODUCT SPECIFICATION
Brightness & Contrast |
: brightness and contrast adjustment |
Auto Adjustment |
: Auto Adjustment Function |
Advanced Menu |
: Enter Advanced Menu Levels |
a.Advanced OSD Menu Levels
|
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Analog Mode Menu |
|
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Menu Level 1 |
Menu Level 2 |
Menu Level 3 |
|
Brightness |
ADJ Scale |
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Contrast |
ADJ Scale |
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Image Control |
Auto Adjustment |
("Adjusting" message ) |
|
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Horizontal Position |
ADJ Scale |
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Vertical Position |
ADJ Scale |
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Clock |
ADJ Scale |
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Clock Phase |
ADJ Scale |
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Cancel |
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Save and Return |
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Color |
9300 K |
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6500 K |
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Custom Color |
Custom Color ADJ |
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sRGB |
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Cancel |
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Save and Return |
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Language |
Deutsch |
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S-Chinese |
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English |
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Espanol |
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Francais |
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Italiano |
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Nederlands |
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Cancel |
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Save and Return |
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Management |
Power Saver |
On / Off Selection |
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Power On Recall |
On / Off Selection |
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Mode Display |
On / Off Selection |
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Sleep Timer |
Timer Set Menu |
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Defualt Video Input |
- Analog - VGA |
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- Digital - DVI |
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Basic Menu |
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Cancel |
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Save and Return |
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OSD Control |
Horizontal OSD Position |
ADJ Scale |
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Vertical OSD Position |
ADJ Scale |
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OSD Timeout |
ADJ Scale |
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Cancel |
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Save and Return |
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Information |
Current Settings |
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Recommended Settings |
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Serial Number |
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Total Hours |
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Backlight Hours |
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Exit |
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|
19 inch LCD Monitor |
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TYPE |
: EJ6B6CT/74 |
|
8639 000 16572 |
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BRAND |
: HP L1940 |
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2005-06-03 |
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Thomas Chen |
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26 |
590 |
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9 |
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2005-06-03 |
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|
GENERAL PRODUCT SPECIFICATION(Continued)
HP L1940 |
|
11 |
Go to cover page
Factory Reset |
Yes |
|
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||
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No |
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Exit |
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Digital Mode Menu |
|
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|
Menu Level 1 |
|
Menu Level 2 |
|
Menu Level 3 |
Brightness |
ADJ Scale |
|
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||
Contrast |
ADJ Scale |
|
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||
Color |
9300 K |
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6500 K |
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Custom Color |
Custom Color ADJ |
||
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sRGB |
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Cancel |
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Save and Return |
|
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Language |
Deutsch |
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S-Chinese |
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English |
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Espanol |
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Francais |
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Italiano |
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Nederlands |
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Cancel |
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Save and Return |
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Management |
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Power Saver |
On / Off Selection |
||
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Power On Recall |
On / Off Selection |
||
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Mode Display |
On / Off Selection |
||
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Sleep Timer |
Timer Set Menu |
||
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Default Video Input |
- Analog - VGA |
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- Digital - DVI |
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Basic Menu |
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Cancel |
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Save and Return |
|
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OSD Control |
Horizontal OSD Position |
ADJ Scale |
|||
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Vertical OSD Position |
ADJ Scale |
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OSD Timeout |
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ADJ Scale |
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Cancel |
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Save and Return |
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Information |
Current Settings |
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Recommended Settings |
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Serial Number |
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Total Hours |
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Backlight Hours |
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Exit |
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Factory Reset |
Yes |
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No |
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Exit |
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19 inch LCD Monitor |
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|
TYPE |
:EJ6B6CT/74 |
|
8639 000 16572 |
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BRAND |
:HP L1940 |
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2005-06-03 |
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|
Thomas Chen |
|
26 |
590 |
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10 |
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2005-06-03 |
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12 HP L1940
Go to cover page
GENERAL PRODUCT SPECIFICATION
C.OSD Service Mode Menu
Analog Mode Menu
|
|
Menu Level 1 |
|
Menu Level 2 |
Menu Level 3 |
|
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|
Brightness |
|
ADJ Scale |
|
|
|
|
|
Contrast |
ADJ Scale |
|
|
||
|
|
Image Control |
Auto Adjustment |
("Adjusting" message ) |
|
||
|
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|
Horizontal Position |
ADJ Scale |
|
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Vertical Position |
ADJ Scale |
|
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Clock |
ADJ Scale |
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Clock Phase |
ADJ Scale |
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Cancel |
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Save and Return |
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Color |
9300 K |
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6500 K |
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Custom Color |
Custom Color ADJ |
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sRGB |
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Cancel |
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Save and Return |
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Service |
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Display Hours |
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Reset Total Hours |
Confirm Reset |
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Reset Backlight Hours |
Confirm Reset |
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Copy All Settings |
Confirm Reset |
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Recall All Settings |
Confirm Reset |
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Display White Block |
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Unlock EDID Write |
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Cancel |
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Save and Return |
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Management |
Power Saver |
On / Off Selection |
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Power On Recall |
On / Off Selection |
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Mode Display |
On / Off Selection |
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Sleep Timer |
Timer Set Menu |
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Default Video Input |
- Analog - VGA |
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- Digital - DVI |
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Basic Menu |
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Cancel |
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Save and Return |
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OSD Control |
|
Horizontal OSD Position |
ADJ Scale |
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Vertical OSD Position |
ADJ Scale |
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OSD Timeout |
ADJ Scale |
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Cancel |
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Save and Return |
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Information |
Current Settings |
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Recommended Settings |
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Serial Number |
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Total Hours |
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Backlight Hours |
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Exit |
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|
19 inch LCD Monitor |
|
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||
|
|
|
TYPE |
|
: EJ6B6CT/74 |
8639 000 16572 |
|
|
|
|
|
|
|
|
BRAND : HP L1940
2005-06-03
Thomas Chen |
26 |
590 |
|
11 |
|
2005-06-03
GENERAL PRODUCT SPECIFICATION(Continued)
HP L1940 |
|
13 |
Go to cover page
Factory Reset |
Yes |
|
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|
|
|
No |
|
|
Exit |
|
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|
|
|
Digital Mode Menu |
|
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|
Menu Level 1 |
Menu Level 2 |
|
Menu Level 3 |
Brightness |
ADJ Scale |
|
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Contrast |
ADJ Scale |
|
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Color |
9300 K |
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6500 K |
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Custom Color |
Custom Color ADJ |
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SRGB |
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Cancel |
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Save and Return |
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Service |
Display Hours |
|
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Reset Total Hours |
Confirm Reset |
|
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Reset Backlight Hours |
Confirm Reset |
|
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Copy All Settings |
Confirm Reset |
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Recall All Settings |
Confirm Reset |
|
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Display White Block |
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Unlock EDID Write |
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Cancel |
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Save and Return |
|
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Management |
Power Saver |
On / Off Selection |
||
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Power On Recall |
On / Off Selection |
|
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Mode Display |
On / Off Selection |
|
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Sleep Timer |
Timer Set Menu |
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Default Video Input |
- Analog - VGA |
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- Digital - DVI |
|
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Basic Menu |
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Cancel |
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Save and Return |
|
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OSD Control |
Horizontal OSD Position |
|
ADJ Scale |
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Vertical OSD Position |
|
ADJ Scale |
|
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OSD Timeout |
|
ADJ Scale |
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Cancel |
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Save and Return |
|
|
Information |
Current Settings |
|
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|
Recommended Settings |
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Serial Number |
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Total Hours |
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|
Backlight Hours |
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Exit |
|
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Factory Reset |
Yes |
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No |
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Exit |
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|
19 inch LCD Monitor |
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TYPE |
:EJ6B6CT/74 |
|
8639 000 16572 |
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|||||||
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BRAND |
:HP L1940 |
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2005-06-03 |
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|
Thomas Chen |
|
26 |
590 |
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12 |
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2005-06-03 |
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14 HP L1940
Go to cover page
GENERAL PRODUCT SPECIFICATION
3.3Timing requirement
3.3.1 |
Mode storing capacity |
|
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|||
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(1) Factory preset modes |
: 15 |
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||||
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(2) User modes |
|
: 10 |
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|||
3.3.2 |
Factory preset timings |
|
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|||
|
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The factory settings of size and centering are according to the reference timing charts(See Fig-47, Fig-58) |
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MODE NO. |
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1 |
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2 |
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3 |
4 |
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RESOLUTION |
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640 x 480 |
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640 x 480 |
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640 x 480 |
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720 x 400 |
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Dot clock(MHz) |
25.175 |
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31.500 |
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31.501 |
28.321 |
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f h |
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31.5kHz |
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37.861kHz |
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37.5kHz |
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31.468kHz |
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A ( us ) |
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31.778(800 dots) |
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26.413(832 dots) |
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26.667 (840 dots) |
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31.78(900dots) |
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B ( us ) |
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3.813( 96 dots) |
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1.270(40 dots) |
2.032 |
( |
54 dots) |
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3.813(108dots) |
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C ( us ) |
1.907( |
48 dots) |
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3.810(120 dots) |
3.81 |
( |
120 dots) |
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1.907(54dots) |
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D ( us ) |
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25.422( 640 dots) |
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20.317(640 dots) |
20.317 |
(640 dots) |
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25.42(720dots) |
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E ( us ) |
0.636( |
16 dots) |
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1.016(32 dots) |
0.508 |
( |
26 dots) |
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0.636(18dots) |
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f v |
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60Hz |
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72.809Hz |
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75Hz |
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70Hz(70.085) |
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O (ms ) |
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16.683 (525 lines) |
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13.735(520 lines) |
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13.333 (500 lines ) |
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14.27(449 lines) |
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P ( ms ) |
0.064 |
( 2 lines) |
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0.079(3 lines) |
0.08 |
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3 lines ) |
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0.064(2 lines) |
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Q (ms ) |
1.049 |
( 33 lines) |
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0.528(20 lines) |
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0.427 ( 16 lines ) |
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1.112(34 lines) |
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R ( ms ) |
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15.253 (480 lines) |
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12.678(480 lines) |
12.8 |
(480 lines ) |
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12.71(400 lines) |
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S ( ms ) |
0.317 |
( 10 line ) |
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0.45(17 lines) |
0.026 |
( |
1 lines) |
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0.381(13 lines) |
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SYNC. H/V |
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- / - |
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-/- |
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- / - |
-/+ |
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POLARITY |
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SEP . SYNC |
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Y |
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Y |
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Y |
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Y |
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MODE NO. |
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5 |
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6 |
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7 |
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8 |
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RESOLUTION |
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800 x 600 |
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800 x 600 |
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800 x 600 |
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832 x 624 |
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Dot clock(MHz) |
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40 |
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50 |
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49.498 |
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57.28 |
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f h |
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37.9kHz |
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48.077kHz |
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46.9kHz |
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49.7kHz |
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A ( us ) |
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26.4 (1056 dots) |
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20.80 |
(1040dots) |
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21.333 (1056 dots) |
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20.11(1152 dots) |
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B ( us ) |
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3.2 ( |
128 dots) |
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2.400 |
( 120 dots) |
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1.616 ( 80 dots) |
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1.117(64 dots) |
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C ( us ) |
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2.2 ( 88 dots) |
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1.280 |
( |
64 |
dots) |
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3.232 ( |
160 dots) |
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3.91(224 dots) |
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D ( us ) |
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20 ( 800 dots) |
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16.00 |
( 800 dots) |
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16.162 ( 800 dots) |
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14.52(832 dots) |
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E ( us ) |
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1 ( 40 dots) |
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1.120 |
( |
56 |
dots) |
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0.323 ( |
16 dots) |
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0.563(32 dots) |
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f v |
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60Hz |
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72Hz ( |
72.188) |
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75Hz |
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75Hz |
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O (ms ) |
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16.579 (628 lines) |
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13.85 |
(666 lines) |
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13.333 (625 lines) |
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13.41(667 lines) |
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P ( ms ) |
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0.106 ( 4 lines) |
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0.125 |
( |
6 |
lines) |
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0.064 ( |
3 lines) |
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0.06(3 lines) |
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Q (ms ) |
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0.607 ( 23 lines) |
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0.478 |
( 23 |
lines) |
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0.448 ( 21 lines) |
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0.784(39 lines) |
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R ( ms ) |
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15.84 (600lines) |
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12.48 |
(600 lines) |
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12.8 (600 lines) |
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12.55(624 lines) |
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S ( ms ) |
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0.026 ( 1 line ) |
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0.770 |
( 37 |
line ) |
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0.021 ( 1 line ) |
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0.016(1 lines) |
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SYNC. H/V |
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+ / + |
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+ / + |
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+ / + |
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+/+ |
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POLARITY |
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SEP . SYNC |
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Y |
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Y |
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Y |
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Y |
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19 inch LCD Monitor
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TYPE |
: EJ6B6CT/74 |
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8639 000 16572 |
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BRAND |
: HP L1940 |
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2005-06-03 |
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Thomas Chen |
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26 |
590 |
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13 |
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2005-06-03 |
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