HP W19QV Service Manual

HP W19QV Service Manual

19" lcd color monitor

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19" LCD Color Monitor
Service
Service
Service
Description
Table Of Contents......................................................1
Revision List........................................................2
1. Monitor Specification...............................................3
2. LCD Monitor Description........................................4
3. Operation Instruction............................................5
3.1. General Instructions.........................................5
3.2. Control Button......................................................5
3.3 Adjusting the Picture..........................................6
4. Input/Output Specification.......................................8
4.1. Input Signal Connector.........................................8
4.2. Factory Preset Display Modes...........................9
4.3. Power Supply Requirements...............................9
5. Panel Specification.........................................10
5.1. General Feature...............................................10
5.2. Optical Characteristics....................................12
6. Block Diagram.....................................................17
6.1.Monitor Exploded View........................................17
6.2 Software Flow Chart.........................................19
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 TRANSFOMER FOR THIS UNIT WHEN SERVICING

TABLE OF CONTENTS

Page Description
6.3. Electrical Block Diagram...........................21
7. Schematic.....................................................23
7.1 Main Board....................................................23
7.2 Power Board...............................................28
7.3 Key Board..............................................30
7.4 Audio Board..............................................31
8.PCB Layout.....................................................32
8.1. Main Board.........................................................32
8.2. Power Board........................................................35
8.3. Key Board.........................................................38
8.4. Audio Board......................................................38
9. Maintainability........................................................39
9.2. Trouble Shooting................................................40
11. BOM List........................................................48
12. Different Parts List..............................................63
SAFETY NOTICE
1
HP W19QV
Horizontal Frequency
30- 83 kHz
Page

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Summary of Contents for HP W19QV

  • Page 1: Table Of Contents

    19" LCD Color Monitor HP W19QV Service Service Service Horizontal Frequency 30- 83 kHz TABLE OF CONTENTS Description Page Description Page Table Of Contents..……......…..1 6.3. Electrical Block Diagram……………..…..21 Revision List.…........……..2 7. Schematic……………........23 1. Monitor Specification......………..3 7.1 Main Board..………........23 2. LCD Monitor Description……………………………..4 7.2 Power Board.….……........28...
  • Page 2: Revision List

    19" LCD Color Monitor HP W19QV Revision List Version Date Revision History TPV Model Name T97HGFDBW3CPAE FEB.07.07 First release T97SGFDBW3CPAE T97MGFDBW3CPAE...
  • Page 3: Monitor Specification

    19" LCD Color Monitor HP W19QV 1. Monitor Specification...
  • Page 4: Lcd Monitor Description

    19" LCD Color Monitor HP W19QV 2. LCD Monitor Description The LCD Monitor will contain main board, power board, key board and an audio 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.
  • Page 5: Operation Instruction

    19" LCD Color Monitor HP W19QV 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 of the panel. By changing these settings, the picture can be adjusted to your personal performance.
  • Page 6: Adjusting The Picture

    19" LCD Color Monitor HP W19QV 3.3 Adjust the Picture...
  • Page 7 19" LCD Color Monitor HP W19QV...
  • Page 8: Input/Output Specification

    19" LCD Color Monitor HP W19QV 4. Input/Output Specification 4.1 Input Signal Connector Signal Signal Red Video +5 V (from PC) Green Video Ground Blue Video Ground Ground DDC-serial Data Detect Cable Horizontal Sync Red GND Vertical Sync Green GND...
  • Page 9: Factory Preset Display Modes

    19" LCD Color Monitor HP W19QV 4.2 Factory Preset Display Modes 4.3 Power Supply Requirements Parameter Range AC Line Voltage range 100 to 240V AC Line Frequency range 47 to 63 Hz Peak surge Current < 55 A MAX AT 220VAC and cold starting Leakage Current <...
  • Page 10: Panel Specification

    19" LCD Color Monitor HP W19QV 5. Panel Specification 750GLH90GW112Z000H ; 750GLS90M3122Z000H ;750GLM90A1211Z000H 5.1 General Feature 750GLH90GW112Z000H 750GLS90M3122Z000H 750GLM90A1211Z000H...
  • Page 11 19" LCD Color Monitor HP W19QV Mechanical Information 750GLH90GW112Z000H 750GLS90M3122Z000H 750GLM90A1211Z000H...
  • Page 12: Optical Characteristics

    19" LCD Color Monitor HP W19QV 5.2 Optical Characteristics TFT LCD Module: 750GLH90GW112Z000H 750GLS90M3122Z000H 750GLM90A1211Z000H...
  • Page 13 19" LCD Color Monitor HP W19QV Back Light Unit: 750GLH90GW112Z000H 750GLS90M3122Z000H 750GLM90A1211Z000H...
  • Page 14 19" LCD Color Monitor HP W19QV Optical Specification 750GLH90GW112Z000H...
  • Page 15 19" LCD Color Monitor HP W19QV 750GLS90M3122Z000H...
  • Page 16 19" LCD Color Monitor HP W19QV 750GLM90A1211Z000H...
  • Page 17: Block Diagram

    19" LCD Color Monitor HP W19QV 6. Block Diagram 6.1 Monitor Exploded View...
  • Page 18 19" LCD Color Monitor HP W19QV Customized bezel assembly instruction We have developed two customized bezels to pair the two different panels (CMO panel and Hannstar panel) in order to meet the following requirements,: The bezel opening can not hide any active pixels. That is, the full 1440*900 active matrix has to be visible.
  • Page 19: Software Flow Chart

    19" LCD Color Monitor HP W19QV 6.2 Software Flow Chart...
  • Page 20 19" LCD Color Monitor HP W19QV REMARK: 1) MCU initialize. 2) Is the EEprom blank? 3) Program the EEprom by default values. 4) Get the PWM value of brightness from EEprom. 5) Is the power key pressed? 6) Clear all global flags.
  • Page 21: Electrical Block Diagram

    19" LCD Color Monitor HP W19QV 6.3 Electrical Block Diagram 6.3.1 Scalar Board LCD Interface (CN501) EEPROM Scalar IC GM5726-LF-AB (Include ADC, OSD, MCU) SST25VF010A- (U401) EPR_SDA 33-4C-SAE EPR_SCL (U402) H sync V sync D-Sub Crystal Connector 14.31818MHz (CN202) (X301)
  • Page 22 19" LCD Color Monitor HP W19QV 6.3.2 Inverter / Power Board AC inlet filter Rectifier and Rectifier and 12V/5V Transform filter filter D908; D909 To main board Start circuit R938; R904, R931 OVP circuit Switching circuit Feedback PWM control circuit IC&MOSFET...
  • Page 23: Schematic

    19" LCD Color Monitor HP W19QV 7. Schematic 7.1 Main Board +3.3V_VDD CN201 RX2-IN R202   1/16W A_GND RX2- RX2+IN R203   1/16W R214 RX2+ SGND 1005/08/13 Change to HDCP   1/16W SCL_IN_DVI DDCCLK DVI_HPD SDA_IN_DVI R217   1/16W DDCDAT...
  • Page 24 19" LCD Color Monitor HP W19QV 4/13 Add R332,R333 for reverse ver.BC brown out detect +3.3V_VDD 3.3V_DVDD 3.3V_DDC +1.8V_VDD 1.8V_AVDD R301   1/16W L301 C302 C303 C304 C305 C306 C307 C308 L302 C310 C311 C312 C313 C314 120 OHM 120 OHM...
  • Page 25 19" LCD Color Monitor HP W19QV L402 +12V 120 OHM R401   1/16W CN401 R426   1/16W R402 R403 150K   1/16W 4.7K   1/16W STANDBY L401 R425 1/16W   R405 MUTE 120 OHM   1/16W Q401 SPKR_L+ SPKR_R+ R427...
  • Page 26 19" LCD Color Monitor HP W19QV LVDS_O[0..9] LVDS_O0 CN501 LVDS_O1 LVDS_O2 LVDS_O3 LVDS_O0 RXO0- RXO0+ LVDS_O1 LVDS_O4 LVDS_O2 RXO1- RXO1+ LVDS_O3 LVDS_O5 LVDS_O4 RXO2- RXO2+ LVDS_O5 LVDS_O6 LVDS_O6 RXOC- RXOC+ LVDS_O7 LVDS_O7 LVDS_O8 RXO3- RXO3+ LVDS_O9 LVDS_O8 LVDS_E0 RXE0- RXE0+...
  • Page 27 19" LCD Color Monitor HP W19QV +12V CN601 ON_OFF R601 4.7K 1/16W   PBIAS VCC12V VCC12V +3.3V_VDD U601 VCC5V VCC5V 1.435A VOUT CON402(PITCH 2.00) 142mA C603 C604 C602 C601 220uF/25V 0.1uF/16V AIC1084-33M 0.1uF/16V 220uF/25V C605 C607 C606 C608 0.1uF/16V 220uF/25V 0.1uF/16V...
  • Page 28: Power Board

    19" LCD Color Monitor HP W19QV 7.2 Power Board R934 47 1206 R935 47 1206 BD901 R906 4A 800V R905 47 1206 R931 C930 100K   D908 C905 100KΩ 1/4W 0.0015uF/2KV C934 SP20150 L903 JUMP C931 3.5UH F903 1000PF/500V 100uF/450V...
  • Page 29 19" LCD Color Monitor HP W19QV CN801 PT801 80GL19T 8 DN GP C816 OPT1 CONN 22pF/3KV R836 +12V   1/10W C841 22pF/3KV R802 R804 R805 CN802 300KΩ 1/8W 470Ω 1/4W 0805 C828   0.1uF C825 C811 5pF/3KV Q803 470UF/25V OPT2...
  • Page 30: Key Board

    19" LCD Color Monitor HP W19QV 7.3 Key Board ESD by jc chen 2006/5/11 GND wire CN002 CN003 SPK-R R101 75  SPKR_R+ R102 75  SPKR_L+ CN004 EAR PHONEJACK SPK-L ZD102 ZD101 BZX79-B5V6 BZX79-B5V6 ESD by jc chen 2006/5/11 KEY_SEL CN001...
  • Page 31: Audio Board

    19" LCD Color Monitor HP W19QV 7.4 Audio Board OUT_L +12V CN202 MUTE CN204 VOLUME C203 +12V C201 C202 0.1uF 470uF/16V 470uF/16V OUT_R C214 CONN CONN U201 E-TDA7496L CN201 C204 C205 0.47uF/100V 470uF/16V R201 18K  OUTL OUTR C206 R203 18K ...
  • Page 32: Pcb Layout

    19" LCD Color Monitor HP W19QV 8. PCB Layout 8.1 Main Board...
  • Page 33 19" LCD Color Monitor HP W19QV...
  • Page 34 19" LCD Color Monitor HP W19QV...
  • Page 35: Power Board

    19" LCD Color Monitor HP W19QV 8.2 Power Board...
  • Page 36 19" LCD Color Monitor HP W19QV...
  • Page 37 19" LCD Color Monitor HP W19QV...
  • Page 38: Key Board

    19" LCD Color Monitor HP W19QV 8.3 Key Board 8.4 Audio Board...
  • Page 39: Maintainability

    19" LCD Color Monitor HP W19QV 9. Maintainability 9.1 Equipments and Tools Requirement 1. Multi-meter. 2. Oscilloscope. 3. Pattern Generator. 4. DDC Tool with an IBM Compatible Computer. 5. Alignment Tool. 6. LCD Color Analyzer. 7. Service Manual. 8. User Manual.
  • Page 40: Trouble Shooting

    19" LCD Color Monitor HP W19QV 9.2 Trouble Shooting 9.2.1 Main Board 1、No power Measured CN601 pin5/6 = 12V? Check Correspondent component. Measured CN601 pin 9/10= 5V? Is there any shortage or cold solder? Measured U601 pin 2= 3.3V? Measured U602 pin 2= 1.8V? Yes, all DC level exist Yes.
  • Page 41 19" LCD Color Monitor HP W19QV 2. Panel Power Circuit Check C501(+) should have response from 0V to 5V Measured X301 waveform is normal? When we switch the power switch from off to on Replace X301 (14.318MHz) Check Q602, Q603 is broken or CN501 solder abnormal?
  • Page 42 19" LCD Color Monitor HP W19QV 4. U401-Data Output Measured X301 waveform is Replace X301(14.318MHz) normal? Check GM5726 (U401) Check relative circuit to panel Signal output (PIN31-40, 7-16) Is the waveform ok? Check relative component Check HS/VS input signal are normal?
  • Page 43 19" LCD Color Monitor HP W19QV 9.2.2 Power Board 1. No Power No power Check to CN902 Pin1, 2 =12V and Pin3, 4 = 5 V Check Interface board Check AC line volt 120V or 220V Change F901, Check BD901, Q903, IC901...
  • Page 44 19" LCD Color Monitor HP W19QV 2. W/LED No Backlight Check C811 (+) =12V Check adapter circuit Check ON/OFF signal Check Interface board Check IC801 PIN2=5V, Pin9=12V voltage of C905(+) Check Q801,Q802,Q803 Check the Pin1, Pin15 of IC801 have square wave...
  • Page 45 19" LCD Color Monitor HP W19QV 9.2.3 Key Board OSD is unstable or not working Is Keypad board connecting normally? Connect Keypad Board Is Button Switch normally? Replace Button Switch Replace Keypad Board Is Keypad board normally? Check main board...
  • Page 46: White-Balance, Luminance Adjustment

    6500k color temp. parameter is x = 313±20, y = 329 ±20, Y>200 cd/m 3. Into factory mode of HP W19qv A. Turn on power, press the Menu button, pull out the power cord, and then plug the power cord. Then the factory OSD will be at the left top of the panel.
  • Page 47 19" LCD Color Monitor HP W19QV B. Adjust sRGB color-temperature 1. Switch the chroma-7120 to sRGB channel. 2. The chroma 7120 will show x = 313 ±20, y = 329 ±20, Y >200 cd/m 3. Switch the chroma 7120 l to RGB MODE ( with press “MODE” button to change ) 4.
  • Page 48: Bom List

    CARTON LABEL H41G1606690 2B DOC KIT FOR EMEA(441666 H41G7806690 7B QSG(433009-B22) H41G7806690 8A SCREEN RESOLUTION(41732 H44G9028690 5A CARTON FOR w19qv(416688 H45G 87 1 4H EPE COVER H45G 87 4 H PE BAG FOR BASE/MANUAL H52G6025 16 12 INSULATE SHEET Q44G9028 1...
  • Page 49 19" LCD Color Monitor HP W19QV U201 56G 616 31 IC TDA7496T 1.2W*2 DIP- C201 67G215D4713KV6366 ELCAP 470UF +-20% 16V 1 C202 67G215D4713KV6366 ELCAP 470UF +-20% 16V 1 C207 67G215D4713KV6366 ELCAP 470UF +-20% 16V 1 C208 67G215Y4713NV ELCAP 470UF +-20% 16V 1...
  • Page 50 19" LCD Color Monitor HP W19QV C316 67G215Y2207RV ELCAP 22UF +-20% 50V 10 C319 67G215Y2207RV ELCAP 22UF +-20% 50V 10 C325 67G215Y2207RV ELCAP 22UF +-20% 50V 10 C501 67G215Y2207RV ELCAP 22UF +-20% 50V 10 C609 67G215Y2207RV ELCAP 22UF +-20% 50V 10...
  • Page 51 19" LCD Color Monitor HP W19QV R309 61G0603101 6857 RST CHIPR 100 OHM +-5% R310 61G0603101 6857 RST CHIPR 100 OHM +-5% R311 61G0603101 6857 RST CHIPR 100 OHM +-5% R407 61G0603101 6857 RST CHIPR 100 OHM +-5% R408 61G0603101...
  • Page 52 19" LCD Color Monitor HP W19QV R227 61G0603472 6857 RST CHIPR 4.7KOHM +-5% R242 61G0603472 6857 RST CHIPR 4.7KOHM +-5% R305 61G0603472 6857 RST CHIPR 4.7KOHM +-5% R306 61G0603472 6857 RST CHIPR 4.7KOHM +-5% R307 61G0603472 6857 RST CHIPR 4.7KOHM +-5%...
  • Page 53 19" LCD Color Monitor HP W19QV C303 65G0603104 126805 0.1UF +-10% 16V X7R C304 65G0603104 126805 0.1UF +-10% 16V X7R C305 65G0603104 126805 0.1UF +-10% 16V X7R C306 65G0603104 126805 0.1UF +-10% 16V X7R C307 65G0603104 126805 0.1UF +-10% 16V X7R...
  • Page 54 19" LCD Color Monitor HP W19QV C327 65G0603330 316857 33PF+-5% 50V NPO C228 65G0603330 326857 CHIP 33PF 50V X7R C230 65G0603330 326857 CHIP 33PF 50V X7R C328 65G0603470 316805 CHIP 47PF 50V NPO C210 65G0603473 326805 CHIP 0.047UF 50V X7R...
  • Page 55 19" LCD Color Monitor HP W19QV SW002 77G 600 1 CJ TACT SWITCH SW003 77G 600 1 CJ TACT SWITCH SW004 77G 600 1 CJ TACT SWITCH SW005 77G 600 1 CJ TACT SWITCH DP101 81G 12 1F GP6356 CN002...
  • Page 56 19" LCD Color Monitor HP W19QV C912 67G215V471 4K6366 ELCAP 470UF +-20% 25V 1 C935 67G215V471 4K6366 ELCAP 470UF +-20% 25V 1 C936 67G215V471 4K6366 ELCAP 470UF +-20% 25V 1 C937 67G215V471 4K6366 ELCAP 470UF +-20% 25V 1 L903 73G 253 91 LS...
  • Page 57 19" LCD Color Monitor HP W19QV R843 61G0805102 6857 RST CHIPR 1KOHM +-5% 1/ R920 61G0805102 6857 RST CHIPR 1KOHM +-5% 1/ R921 61G0805102 6857 RST CHIPR 1KOHM +-5% 1/ R922 61G0805102 6857 RST CHIPR 1KOHM +-5% 1/ R926 61G0805102...
  • Page 58 19" LCD Color Monitor HP W19QV JR803 61G1206000 6857 RST CHIPR 0 OHM +-5% 1/ JR806 61G1206000 6857 RST CHIPR 0 OHM +-5% 1/ JR809 61G1206000 6857 RST CHIPR 0 OHM +-5% 1/ JR901 61G1206000 6857 RST CHIPR 0 OHM +-5% 1/...
  • Page 59 19" LCD Color Monitor HP W19QV C801 65G0805104 326826 CHIP 0.1U 50V X7R C828 65G0805104 326826 CHIP 0.1U 50V X7R C829 65G0805104 326826 CHIP 0.1U 50V X7R C838 65G0805104 326826 CHIP 0.1U 50V X7R C839 65G0805104 326826 CHIP 0.1U 50V X7R...
  • Page 60 19" LCD Color Monitor HP W19QV D812 93G 6432S 1N4148W D813 93G 6432S 1N4148W D904 93G 6432S 1N4148W ZD801 93G 39S 24 T RLZ 5.6B LLDS ZD902 93G 39S 24 T RLZ 5.6B LLDS ZD903 93G 39S 38 T PTZ 9.1B...
  • Page 61 19" LCD Color Monitor HP W19QV JP920 95G 90 23 TINCOATEDCOPPER JR802 95G 90 23 TINCOATEDCOPPER R822 61G212Y625 KT3876 RST MGFR 6.2MOHM +-5% 1 R832 61G212Y625 KT3876 RST MGFR 6.2MOHM +-5% 1 FB901 71G 55 29 6100 FERRITE BEAD D901...
  • Page 62 19" LCD Color Monitor HP W19QV A34G0054AAA 1B STAND BOTTOM A34G0055AAA 1B 20 BASE A37G0007 4 HINGE AQ1G1740 12120 SCREW...
  • Page 63: Different Parts List

    19" LCD Color Monitor HP W19QV 12. Different Parts List Diversity of T97SGFDBW3CPAE Compared with T97HGFDBW3CPAE Location Part No. Description CBPC7SGHHPH MAIN BOARD FOR 19 PWPC1942SH1P POWER BOARD 52G6022 1500 SMALL TAPE E089A 89G404A19N IS POWER CORD 750GLS90M3122Z000H PANEL LTM190M2-L31 01S...
  • Page 64 19" LCD Color Monitor HP W19QV R609 61G0603103 6865 RST CHIPR 10KOHM +-5% 1 R403 61G0603154 6865 RST CHIPR 150KOHM +-5% R608 61G0603184 6865 RST CHIPR 180KOHM +-5% R237 61G0603221 6865 RST CHIPR 220 OHM +-5% R238 61G0603221 6865 RST CHIPR 220 OHM +-5%...
  • Page 65 19" LCD Color Monitor HP W19QV R601 61G0603472 6865 RST CHIPR 4.7KOHM +-5% R605 61G0603472 6865 RST CHIPR 4.7KOHM +-5% R405 61G0603473 6865 RST CHIPR 47KOHM +-5% 1 R406 61G0603473 6865 RST CHIPR 47KOHM +-5% 1 R409 61G0603473 6865 RST CHIPR 47KOHM +-5% 1...
  • Page 66 19" LCD Color Monitor HP W19QV JR805 61G0805000 6865 RST CHIPR 0 OHM +-5% 1/ JR807 61G0805000 6865 RST CHIPR 0 OHM +-5% 1/ R810 61G0805100 4F6865 RST CHIPR 1MOHM +-1% 1/ R816 61G0805100 4F6865 RST CHIPR 1MOHM +-1% 1/...
  • Page 67 19" LCD Color Monitor HP W19QV R830 61G0805823 6865 RST CHIPR 82KOHM +-5% D903 61G1206000 6865 RST CHIPR 0 OHM +-5% 1/ JR803 61G1206000 6865 RST CHIPR 0 OHM +-5% 1/ JR806 61G1206000 6865 RST CHIPR 0 OHM +-5% 1/...
  • Page 68 19" LCD Color Monitor HP W19QV Diversity of T97MGFDBW3CPAE Compared with T97HGFDBW3CPAE Location Part No. Description CBPC7MGHHPH MAIN BOARD PWPC1942MH1P POWER BOARD 52G6022 1500 SMALL TAPE E089A 89G404A19N IS POWER CORD 705GH734001 ASS'Y E750L 750GLM90A1211Z000H PANEL M190A1-L02 C1 CMO A15G0032 H5...
  • Page 69 19" LCD Color Monitor HP W19QV C916 65G0805104 326805 CHIP 0.1U 50V X7R C917 65G0805104 326805 CHIP 0.1U 50V X7R C918 65G0805104 326805 CHIP 0.1U 50V X7R C919 65G0805104 326805 CHIP 0.1U 50V X7R C804 65G0805105 226805 CHIP 1UF 25V X7R 0805...

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