Service Manual
Page 1
19" LCD Color Monitor Service Service Service Emachine E19T5W TABLE OF CONTENTS Horizontal Frequency 31-81 kHz Description Page Description Page Table Of Contents 1 5.2.Electrical Block Diagram 16 Revision List 2 6.Schematic 18 Important Safety Notice 3 6.1.Main Board 18 1.Monitor Specification 4 6.2. Power Board 23 2.LCD Monitor Description 5...Shooting 32 4.N2.Factory Preset Display Modes 11 9.White-Balance Luminance adjustment 38 4.3.Panel Specification 12 10.Monitor Exploded View 39 5.Block Diagram 14 11.BOM List 41 5.1.Software Flow Chart 14 12.Different Parts ...
19" LCD Color Monitor Service Service Service Emachine E19T5W TABLE OF CONTENTS Horizontal Frequency 31-81 kHz Description Page Description Page Table Of Contents 1 5.2.Electrical Block Diagram 16 Revision List 2 6.Schematic 18 Important Safety Notice 3 6.1.Main Board 18 1.Monitor Specification 4 6.2. Power Board 23 2.LCD Monitor Description 5...Shooting 32 4.N2.Factory Preset Display Modes 11 9.White-Balance Luminance adjustment 38 4.3.Panel Specification 12 10.Monitor Exploded View 39 5.Block Diagram 14 11.BOM List 41 5.1.Software Flow Chart 14 12.Different Parts ...
Service Manual
Page 2
19" LCD Color Monitor Revision A00 A01 A02 A03 Date Dec-20-06 Feb-07-07 Mar-28-07 Jun.-28-07 Revision List Revision History First Version Release Add different parts list in Item 12 Add new BOM in Item 12 Add different parts list in Item 12 Emachine E19T5W TPV Model T96HMKHKW5GKHP T96SMKHKW5GKH T96HMKHKW5GKHC T96HMKHKW5YGHC T96SMKHKW5YGHC T96SMKHKW5YKHC 2
19" LCD Color Monitor Revision A00 A01 A02 A03 Date Dec-20-06 Feb-07-07 Mar-28-07 Jun.-28-07 Revision List Revision History First Version Release Add different parts list in Item 12 Add new BOM in Item 12 Add different parts list in Item 12 Emachine E19T5W TPV Model T96HMKHKW5GKHP T96SMKHKW5GKH T96HMKHKW5GKHC T96HMKHKW5YGHC T96SMKHKW5YGHC T96SMKHKW5YKHC 2
Service Manual
Page 3
... or pen as AOC. Some of these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE. Servicer assumes all conceivable ways in damage to service personnel. 19" LCD Color Monitor Important Safety Notice Emachine E19T5W Proper service and repair is also important to understand that these service operations require the use of optical instruments with a dirty or rough...
... or pen as AOC. Some of these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE. Servicer assumes all conceivable ways in damage to service personnel. 19" LCD Color Monitor Important Safety Notice Emachine E19T5W Proper service and repair is also important to understand that these service operations require the use of optical instruments with a dirty or rough...
Service Manual
Page 4
Monitor Specifications Items Descriptions Emachine E19T5W LCD Panel Driving system Type Size Pixel pitch Viewable angle Response time (type) Video TFT Color LCD HSD190MGW1 19" 0.2835mm( H )x 0.2835mm( V ) 150˚ (H) 135˚ (V) 8 ms for HSD R,G,B Analog Interface Digital Interface Connector 15-pin D-Sub DVI 24pin Input Video Signal Sync. Type H-Frequency V-...°C Storage Temp: -20°C to 60°C Operating Humidity: 8% to 95% Analog:0.7Vp-p(standard), 75 OHM, Positive Digital signal H/V TTL 31kHz - 81kHz 56-75Hz 19" LCD Color Monitor 1.
Monitor Specifications Items Descriptions Emachine E19T5W LCD Panel Driving system Type Size Pixel pitch Viewable angle Response time (type) Video TFT Color LCD HSD190MGW1 19" 0.2835mm( H )x 0.2835mm( V ) 150˚ (H) 135˚ (V) 8 ms for HSD R,G,B Analog Interface Digital Interface Connector 15-pin D-Sub DVI 24pin Input Video Signal Sync. Type H-Frequency V-...°C Storage Temp: -20°C to 60°C Operating Humidity: 8% to 95% Analog:0.7Vp-p(standard), 75 OHM, Positive Digital signal H/V TTL 31kHz - 81kHz 56-75Hz 19" LCD Color Monitor 1.
Service Manual
Page 5
... Board Key Board Key Board RS232 Connector For white balance adjustment in factory mode AC-IN 100V-240V Video signal, DDC HOST Computer 5 19" LCD Color Monitor 2. Monitor Block Diagram CCFL Drive. LCD Monitor Description Emachine E19T5W The LCD monitor will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage.
... Board Key Board Key Board RS232 Connector For white balance adjustment in factory mode AC-IN 100V-240V Video signal, DDC HOST Computer 5 19" LCD Color Monitor 2. Monitor Block Diagram CCFL Drive. LCD Monitor Description Emachine E19T5W The LCD monitor will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage.
Service Manual
Page 6
The power cord should be adjusted to turn the monitor on the monitor, the power indicator will light up. 3.2 Control Buttons 6 Connect the video cable from the monitor to turn on or off. 19" LCD Color Monitor 3. The control buttons are located in the right side of the monitor. By changing these settings, the picture can be connected. - Press the power button to your personal preferences. - Operating Instructions 3.1 General Instructions Emachine E19T5W Press the power button to the video card. -
The power cord should be adjusted to turn the monitor on the monitor, the power indicator will light up. 3.2 Control Buttons 6 Connect the video cable from the monitor to turn on or off. 19" LCD Color Monitor 3. The control buttons are located in the right side of the monitor. By changing these settings, the picture can be connected. - Press the power button to your personal preferences. - Operating Instructions 3.1 General Instructions Emachine E19T5W Press the power button to the video card. -
Service Manual
Page 7
19" LCD Color Monitor 3.3 Adjusting the OSD Menu Adjusting OSD settings OSD Menus Emachine E19T5W 7
19" LCD Color Monitor 3.3 Adjusting the OSD Menu Adjusting OSD settings OSD Menus Emachine E19T5W 7
Service Manual
Page 9
Red 9. Blue 11. B-Return VGA connector layout 1 5 6 10 11 15 Emachine E19T5W Description + 5V Sync. GND GND DDC-Serial Data H-Sync V-Sync DDC-Serial Clock 9 19" LCD Color Monitor 4. Self Test 13. Green 10. Description Pin No. G-Return 15. Input/Output Specification 4.1 Input Signal Connector 1. R-Return 14. GND 12. D-SUB connector Pin No. 1. 2. 3. 4. 5. 6. 7. 8.
Red 9. Blue 11. B-Return VGA connector layout 1 5 6 10 11 15 Emachine E19T5W Description + 5V Sync. GND GND DDC-Serial Data H-Sync V-Sync DDC-Serial Clock 9 19" LCD Color Monitor 4. Self Test 13. Green 10. Description Pin No. G-Return 15. Input/Output Specification 4.1 Input Signal Connector 1. R-Return 14. GND 12. D-SUB connector Pin No. 1. 2. 3. 4. 5. 6. 7. 8.
Service Manual
Page 12
19" LCD Color Monitor 4.3 Panel Specification 4.3.1 Features ■ 19" WXGA+ TN(Twisted Nematic) mode TFT LCD panel ■ High speed response time ■ 4 CCFLs Backlight system ■ Supported WXGA+ (V:900 lines, H:1440 pixels) resolution ■ Supported to 75Hz refresh rate ■ LCD Timing Controller ■ RoHS compliance 4.3.2 Display Characteristics Emachine E19T5W 12
19" LCD Color Monitor 4.3 Panel Specification 4.3.1 Features ■ 19" WXGA+ TN(Twisted Nematic) mode TFT LCD panel ■ High speed response time ■ 4 CCFLs Backlight system ■ Supported WXGA+ (V:900 lines, H:1440 pixels) resolution ■ Supported to 75Hz refresh rate ■ LCD Timing Controller ■ RoHS compliance 4.3.2 Display Characteristics Emachine E19T5W 12
Service Manual
Page 14
Block Diagram 5.1 Software Flow Chat 1 Emachine E19T5W Y 2 3 N 4 5 N Y 6 N 7 8 Y 9 N 10 11 Y N 12 N 13 Y Y N 14 15 16 Y 17 N 18 19 Y 14 19" LCD Color Monitor 5.
Block Diagram 5.1 Software Flow Chat 1 Emachine E19T5W Y 2 3 N 4 5 N Y 6 N 7 8 Y 9 N 10 11 Y N 12 N 13 Y Y N 14 15 16 Y 17 N 18 19 Y 14 19" LCD Color Monitor 5.
Service Manual
Page 15
... standby mode? 11) Update the lifetime of brightness from analog port? 16) Display "No connection Check Signal Cable" message. Is the power key pressed? 15 19" LCD Color Monitor Emachine E19T5W 1) MCU initialize. 2) Is the EPROM blank? 3) Program the EPROM by default values. 4) Get the PWM value of back light. 12) Check the analog port... able to green color. And go into EPROM. Turn on the LED and set it to show the coming mode. 18) Process the OSD display. 19) Read the keyboard.
... standby mode? 11) Update the lifetime of brightness from analog port? 16) Display "No connection Check Signal Cable" message. Is the power key pressed? 15 19" LCD Color Monitor Emachine E19T5W 1) MCU initialize. 2) Is the EPROM blank? 3) Program the EPROM by default values. 4) Get the PWM value of back light. 12) Check the analog port... able to green color. And go into EPROM. Turn on the LED and set it to show the coming mode. 18) Process the OSD display. 19) Read the keyboard.
Service Manual
Page 18
...[0..9] PB[0..9] VLCD VLCD 5.PANEL INTERFACE Title Size B Date: Top Document Number G2188-1-X-X-2-061215 Friday , December 15, 2006 Sheet 2 Rev 1 of 6 19" LCD Color Monitor 6. Schematic 6.1 Main Board 715G2188-1 +5VA +5V TSUM56AWHK-1 XGA/SXGA B3 B4 +5V +5VA RIN GNDR GIN GNDG SOG BIN GNDB HSY NC VSY... GNDR GIN GNDG SOG BIN GNDB HSY NC VSY NC DDCA_SDA DDCA_SCL DET_VGA DDC_WP R+ RG+ GB+ BCLK+ CLKDDCD_SDA DDCD_SCL DET_DVI HPD_CTRL Emachine E19T5W SCHEMATIC LVDS OUTPUT VCC1.8 VCC3.3 +5V VCC1.8 Vcc3.3 +5V B2 on_BACKLIGHT on_Panel VCC3.3 +5VA +5V VCC1.8 VCTRL VCC1.8 +5V Adj_BACKLIGHT ...
...[0..9] PB[0..9] VLCD VLCD 5.PANEL INTERFACE Title Size B Date: Top Document Number G2188-1-X-X-2-061215 Friday , December 15, 2006 Sheet 2 Rev 1 of 6 19" LCD Color Monitor 6. Schematic 6.1 Main Board 715G2188-1 +5VA +5V TSUM56AWHK-1 XGA/SXGA B3 B4 +5V +5VA RIN GNDR GIN GNDG SOG BIN GNDB HSY NC VSY... GNDR GIN GNDG SOG BIN GNDB HSY NC VSY NC DDCA_SDA DDCA_SCL DET_VGA DDC_WP R+ RG+ GB+ BCLK+ CLKDDCD_SDA DDCD_SCL DET_DVI HPD_CTRL Emachine E19T5W SCHEMATIC LVDS OUTPUT VCC1.8 VCC3.3 +5V VCC1.8 Vcc3.3 +5V B2 on_BACKLIGHT on_Panel VCC3.3 +5VA +5V VCC1.8 VCTRL VCC1.8 +5V Adj_BACKLIGHT ...
Service Manual
Page 19
... 3 VI 2 VO VCC3.3 C712 + 100uF/16V C714 0.1uF VCC3.3 4 Title POWER Size Document Number B G2188-1-X-X-2-061215 Date: Friday , December 15, 2006 Sheet 3 of Rev 1 6 19 19" LCD Color Monitor Emachine E19T5W +5V C701 NC/0.1uF U701SOT-223 NC/LT1117-18 3 VI 2 VO VO 4 C703 + NC/100uF/16V +3V3 C704 NC/0.1uF H1 8 7 6 99 18 27 36...
... 3 VI 2 VO VCC3.3 C712 + 100uF/16V C714 0.1uF VCC3.3 4 Title POWER Size Document Number B G2188-1-X-X-2-061215 Date: Friday , December 15, 2006 Sheet 3 of Rev 1 6 19 19" LCD Color Monitor Emachine E19T5W +5V C701 NC/0.1uF U701SOT-223 NC/LT1117-18 3 VI 2 VO VO 4 C703 + NC/100uF/16V +3V3 C704 NC/0.1uF H1 8 7 6 99 18 27 36...
Service Manual
Page 20
... A2 GND 3 4 M24C02-WMN6TP C446 0.1uF R473 NC DDC_WP 4 Title Size C Date: Input Document Number G2188-1-X-X-2-061215 Friday , December 15, 2006 Sheet 4 of Rev 1 6 20 19" LCD Color Monitor Emachine E19T5W 2 3 1 2 3 1 2 3 1 CN405 11 12 13 14 15 17 1 RED+ 6 RED- 2 GREEN+ 7 GREEN- 3 BLUE+ 8 BLUE- 4 PC5V 9 PC5V 5 VGA_CON 10 DB15 FB410 FB411 FB412 0...VSY NC SY NC GND DDC SCL DDC SDA +5V HPD 29 28 8 15 6 7 14 16 1/3shield 2/4shield 0/5shield 11 3 19 22 clk shield DAT0+ DAT0DAT1+ 18 17 10 9 DAT1DAT2+ DAT2DAT3+ DAT3- 2 1 13 12 5 DAT4+ DAT4DAT5+ DAT5-
... A2 GND 3 4 M24C02-WMN6TP C446 0.1uF R473 NC DDC_WP 4 Title Size C Date: Input Document Number G2188-1-X-X-2-061215 Friday , December 15, 2006 Sheet 4 of Rev 1 6 20 19" LCD Color Monitor Emachine E19T5W 2 3 1 2 3 1 2 3 1 CN405 11 12 13 14 15 17 1 RED+ 6 RED- 2 GREEN+ 7 GREEN- 3 BLUE+ 8 BLUE- 4 PC5V 9 PC5V 5 VGA_CON 10 DB15 FB410 FB411 FB412 0...VSY NC SY NC GND DDC SCL DDC SDA +5V HPD 29 28 8 15 6 7 14 16 1/3shield 2/4shield 0/5shield 11 3 19 22 clk shield DAT0+ DAT0DAT1+ 18 17 10 9 DAT1DAT2+ DAT2DAT3+ DAT3- 2 1 13 12 5 DAT4+ DAT4DAT5+ DAT5-
Service Manual
Page 22
CN101 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Emachine E19T5W RXO0+ RXO1+ RXO2+ RXOC+ RXO3+ RXE0+ RXE1+ RXE2+ RXEC+ RXE3+ LVB0P LVB1P LVB2P LVBCKP LVB3P LVA0P LVA1P LVA2P LVACKP LVA3P VLCD CONN VLCD 2 2 ... 1/10W C502 0.1uF/16V 07/26 Title PANEL INTERFACE Size Document Number A G2188-1-X-X-2-061215 Date: Friday , December 15, 2006 Sheet 6 of Rev 1 6 22 19" LCD Color Monitor 4 PA[0..9] PA[0..9] PA0 LVACKP PA1 LVACKM PA2 LVA2P PA3 LVA2M PA4 LVA1P PA5 LVA1M PA6 LVA0P PA7 LVA0M PA8 LVA3P PA9 LVA3M 4 PB[0..9] PB[0..9] PB0...
CN101 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Emachine E19T5W RXO0+ RXO1+ RXO2+ RXOC+ RXO3+ RXE0+ RXE1+ RXE2+ RXEC+ RXE3+ LVB0P LVB1P LVB2P LVBCKP LVB3P LVA0P LVA1P LVA2P LVACKP LVA3P VLCD CONN VLCD 2 2 ... 1/10W C502 0.1uF/16V 07/26 Title PANEL INTERFACE Size Document Number A G2188-1-X-X-2-061215 Date: Friday , December 15, 2006 Sheet 6 of Rev 1 6 22 19" LCD Color Monitor 4 PA[0..9] PA[0..9] PA0 LVACKP PA1 LVACKM PA2 LVA2P PA3 LVA2M PA4 LVA1P PA5 LVA1M PA6 LVA0P PA7 LVA0M PA8 LVA3P PA9 LVA3M 4 PB[0..9] PB[0..9] PB0...
Service Manual
Page 23
19" LCD Color Monitor 6.2 Power Board Emachine E19T5W 715G1695-1-GW DB901 4 U4KB80R + 3 2 - + C905 100uF/450V R909 430K 1/4W R910 430K 1/4W 1 L902 4 3 C914 0.1uF/25V C923 + C934 22uF/50V 0.1uF C933 0.1uF 1 2 L C902 ...
19" LCD Color Monitor 6.2 Power Board Emachine E19T5W 715G1695-1-GW DB901 4 U4KB80R + 3 2 - + C905 100uF/450V R909 430K 1/4W R910 430K 1/4W 1 L902 4 3 C914 0.1uF/25V C923 + C934 22uF/50V 0.1uF C933 0.1uF 1 2 L C902 ...
Service Manual
Page 24
19" LCD Color Monitor +12V ONOF R801 0 1/4W R802 270K 1/4W R804 10K 1/4W R803 10K 1/4W C801 NC Q802 PMBS3904 Q801 PMBS3904 ZD801 RLZ5.6B R805 470 1/4W + ... 4G Q806 AM9945N-T1-PF 24 D803 BAV70 1 3 2 R830 15K 1/8W C827 220pF R833 NC R834 3.3K 1/8W C819 68nF R826 200 1/4W R838 NC Emachine E19T5W R843 1K 1/8W CN801 1 2 CONN CN802 1 2 CONN R842 2 R825 0 1/8W 560 1/8W 3 1 D802 BAV99 CN803 R841 1K 1/8W 1 2 CONN CN804 1 2 CONN D804 BAV99 2 R835 560...
19" LCD Color Monitor +12V ONOF R801 0 1/4W R802 270K 1/4W R804 10K 1/4W R803 10K 1/4W C801 NC Q802 PMBS3904 Q801 PMBS3904 ZD801 RLZ5.6B R805 470 1/4W + ... 4G Q806 AM9945N-T1-PF 24 D803 BAV70 1 3 2 R830 15K 1/8W C827 220pF R833 NC R834 3.3K 1/8W C819 68nF R826 200 1/4W R838 NC Emachine E19T5W R843 1K 1/8W CN801 1 2 CONN CN802 1 2 CONN R842 2 R825 0 1/8W 560 1/8W 3 1 D802 BAV99 CN803 R841 1K 1/8W 1 2 CONN CN804 1 2 CONN D804 BAV99 2 R835 560...
Service Manual
Page 25
19" LCD Color Monitor 7. PCB Layout 7.1 Main Board 715G2188-1 Emachine E19T5W 25
19" LCD Color Monitor 7. PCB Layout 7.1 Main Board 715G2188-1 Emachine E19T5W 25
Service Manual
Page 30
19" LCD Color Monitor 7.3 Key Board 715G2187-1 Emachine E19T5W 715G1707-1-2 30
19" LCD Color Monitor 7.3 Key Board 715G2187-1 Emachine E19T5W 715G1707-1-2 30
Service Manual
Page 31
LCD Color Analyzer. 7. 19" LCD Color Monitor 8. Voltmeter. 2. Pattern Generator. 4. Service Manual. 8. DDC Tool with an IBM Compatible Computer. 5. Oscilloscope. 3. Alignment Tool. 6. User Manual. Emachine E19T5W 31 Maintainability 8.1 Equipments and Tools Requirement 1.
LCD Color Analyzer. 7. 19" LCD Color Monitor 8. Voltmeter. 2. Pattern Generator. 4. Service Manual. 8. DDC Tool with an IBM Compatible Computer. 5. Oscilloscope. 3. Alignment Tool. 6. User Manual. Emachine E19T5W 31 Maintainability 8.1 Equipments and Tools Requirement 1.