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HP w19 - Widescreen LCD Monitor, Service Manual

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HP w19 - Widescreen LCD Monitor Service Manual Download Page 14

19" LCD Color Monitor                                                                                                                                                  HP W19

 

14 

6.3.2 Inverter / Power Board   

 
 
 
 
 

 

 

 
 
 
 

 
 

 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

AC inlet 

filter 

Rectifier and filter 

Start circuit R903;R904 

Transformer 

Switching circuit 
PWM control  IC&MOSFET 

Rectifier and filter 
D904;D905 

Feedback circuit 

IC902;IC903 

12V  

Start circuit 

On/off control 

PWM control IC 

BUCK and chock 

LC royer circuit 

Ballast capacitor 

lamp 

Dimming control 

Feebback circuit 

To main board 

12V 

OVP 
circuit

Summary of Contents for w19 - Widescreen LCD Monitor

Page 1: ...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 7 4 1 Input Signal Connector 7 4 2 Factory Preset Display Modes 8 5 Panel Specification 9 5 1 General Feature 9 5 2 Optical Characteristics 9 6 Block Diagram 10 6 1 Monitor Exploded View 10 6 2 Software Flow Chart 11 6 3 Electrical Block Diagr...

Page 2: ...vision List Version Date Revision History TPV Model Name A00 Jun 03 2007 first release T97MM2HKWEHANE A01 Jun 19 2007 Add TPVDW Model in Item 12 T97SM2HKWEHANE T97MM2HTWEHPNNE A02 Sep 04 2007 Add TPVDW Model in Item 12 T97SM2HTWEHPNNE ...

Page 3: ...19 LCD Color Monitor HP W19 3 1 Monitor Specification ...

Page 4: ...ightness 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 HOST Computer Inverter board Flat Panel and CCFL backlight Main Board RS232 Connector For white balance adjustment in factory mode CCFL Drive Video signal Keyboard Adaptor board DC IN 12V AC IN 100V 240V ...

Page 5: ...cated at front of the panel By changing these settings the picture can be adjusted to your personal performance The power cord should be connected and insert to adaptor Connect the video cable from the monitor to the computer VGA card Press the power button to turn on the monitor the power indicator will light up to Green 3 2 Control Buttons 3 3 Adjust the Picture ...

Page 6: ...19 LCD Color Monitor HP W19 6 ...

Page 7: ...19 LCD Color Monitor HP W19 7 4 Input Output Specification 4 1 Input Signal Connector ...

Page 8: ...19 LCD Color Monitor HP W19 8 4 2 Factory Preset Display Modes ...

Page 9: ...19 LCD Color Monitor HP W19 9 5 Panel Specification 5 1 General Feature Mechanical Information 5 2 Optical Characteristics TFT LCD Module Back Light Unit Optical Specification ...

Page 10: ...19 LCD Color Monitor HP W19 10 6 Block Diagram 6 1 Monitor Exploded View ...

Page 11: ...19 LCD Color Monitor HP W19 11 6 2 Software Flow Chart 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 ...

Page 12: ...on the LED and set it to green color Scalar initialize 10 In standby mode 11 Update the lifetime of back light 12 Check the analog port are they re any signals coming 13 Does the scalar send out an interrupt request 14 Wake up the scalar 15 Are there any signals coming from analog port 16 Display No connection Check Signal Cable message And go into standby mode after the message disappear 17 Progr...

Page 13: ... PLCC 44 U601 TSU56AK LF Include ADC OSD U401 EEPROM M24C16 U602 D Sub Connector CN301 EEPROM M24C02 U301 H sync V sync RGB DB15_SDA DB15_SCL EPR_SDA EPR_SCL LCD Interface CN503 DVI Connector CN302 EEPROM M24C02 U302 SDA SCL RGB CLK CLK Crystal X601 24Mhz Crystal X401 14 318Mhz Key Board CN602 ...

Page 14: ...art circuit R903 R904 Transformer Switching circuit PWM control IC MOSFET Rectifier and filter D904 D905 Feedback circuit IC902 IC903 12V Start circuit On off control PWM control IC BUCK and chock LC royer circuit Ballast capacitor lamp Dimming control Feebback circuit To main board 12V OVP circuit ...

Page 15: ...19 LCD Color Monitor HP W19 15 7 Schematic 7 1 Main Board ...

Page 16: ...19 LCD Color Monitor HP W19 16 ...

Page 17: ...19 LCD Color Monitor HP W19 17 ...

Page 18: ...19 LCD Color Monitor HP W19 18 ...

Page 19: ...19 LCD Color Monitor HP W19 19 ...

Page 20: ...19 LCD Color Monitor HP W19 20 ...

Page 21: ...R917 0 1206 ZD902 12V SMD Q901 2SK2843 R931 134 0805 5 R930 152 0805 R932 302 0805 5 R922 470 1206 0 5W R933 9311 0805 1 R936 683 0805 R902 105 1206 R929 153 0805 R910 471 0805 F901 2 5A 250V R927 223 0805 C905 152 1KV R919 1R5 1206 R901 105 1206 R934 2431 0805 1 D907 1N4148 SMD L902 1 4 2 3 R924 241 DIP C918 104 0805 X7R N C ZD901 20V SMD C910 102 500V 1206 VFB C904 150UF 400V D903 1N4148 SMD D90...

Page 22: ...R103 NC is power GND C108 0 1uF 25V IDPC1942SEL1 715L1299 1 A 1 POWER AOC Top Victory Electronics Co Ltd A 2 1 琍戳 る 17 2004 Title Size Document Number Rev Date Sheet of R104 NC D101 SR34 DIM ON OFF L102 150UH 73L 253 138 F101 84L52 5 R101 NC C103 470uF 16V C110 0 1uF 25V C109 0 1uF 25V CON102 CONN 33L8009 12L H 2 4 6 8 10 12 1 3 5 7 9 11 L103 BEAD 71L55 19 CN101 JACK 88L304 1S 1 2 5V ...

Page 23: ... 3 2 1 Q205 PMBS3904 3 2 1 Q203 AO4411 1 2 3 4 8 7 6 5 S1 S1 S1 G1 D1 D1 D1 D1 TP1 HVL 1 R231 2K 1 4W C220 1uF 25V R238 12K 1 16W R216 220 1 16W C209 1uF 25V CN203 33L8020 2D 33L8021 2D LAYOUT 1 2 is power GND R223 15K 1 16W TP3 HVL 1 C230 OPEN C217 22pF 3KV R235 620 1 16W Q212 2SC5706 C212 1uF 25V D207 1N4148 C208 330pF R203 5 1K 1 16W C223 150uF 25V R210 15K 1 16W Q206 PMBS3904 3 2 1 C225 OPEN R...

Page 24: ...19 LCD Color Monitor HP W19 24 8 PCB Layout 8 1 Main Board ...

Page 25: ...19 LCD Color Monitor HP W19 25 ...

Page 26: ...19 LCD Color Monitor HP W19 26 ...

Page 27: ...19 LCD Color Monitor HP W19 27 8 2 Inverter Board ...

Page 28: ...19 LCD Color Monitor HP W19 28 ...

Page 29: ...19 LCD Color Monitor HP W19 29 ...

Page 30: ...19 LCD Color Monitor HP W19 30 8 3 Adapter Board ...

Page 31: ...P W19 31 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 32: ...ected Connected the Signal cable again Check LED status Replace U601 Show noting Connected the Signal cable again Check LED status Check Power switch is in Power on status and check if Power switch had been stuck Led Orange OK Keyboard no stuck Led orange Led Green Check the Wire Harness from CN503 Measured RGB R301 R302 R303 H V Input at U401 pin 37 38 was there have signal Check Correspondent co...

Page 33: ... NG Check the Bklt On relative circuit R201 Q201 In normal operation when LED green Base of Q201 should 0 v In saving mode when LED orange Base of Q201 should 5 v OK Replace Power board Re do white balance Measured the inverter connector CN602 Pin1 on off control 5V on Pin2 PWM signal control dim 0V 5V Replace U201 OK Measured X401 waveform is normal Check TSU56AK U401 Signal output PIN102 103 106...

Page 34: ... 220V Check AC line Check the voltage of C904 Check F901 bridge rectified circuit Check start voltage for the Pin7 of IC901 Check R903 R904 IC901 Check the auxiliary voltage is between 10V 16V Check IC901 T901 Check ZD901 OK OK OK OK NG NG NG NG Check D904 D905 IC903 No power ...

Page 35: ...9 2 3 Key Board OK OK OSD is unstable or not working Is Keypad board connecting normally Is Button Switch normally Is Keypad board normally Check main board Connect Keypad Board Replace Button Switch Replace Keypad Board NG NG NG OK ...

Page 36: ...hroma 7120 to RGB mode with press MODE button 2 Switch the MEM channel to Channel9 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 313 28 y 329 28 Y 200 10 cd m2 4 Adjust the RED of color1 on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN of color1 on factory until chroma 7120 indicator reached G 100 6 Adjust the BLUE of co...

Page 37: ... 19E690 1D RATING LABEL H40G581H690 2A CARTON LABEL H41G1606690 1A DOC KIT FOR NA 439848 H41G7800690B20 QSG 417324 B21 H41G7806690 8A SCREEN RESOLUTION 41732 H44G3933690 2C CARTON FOR w19 416688 0 H45G 87 1 4H R EPE COVER H45G 87 4 H R PE BAG FOR BASE H52G6025 16 11 INSULATE SHEET Q15G6335 2 SHIELD Q34G6203 PC HB 33 BASE Q41G7800690A25 RTF CARD 419441 B21 Q44G3933 5 U TYPE SHEET Q44G3952 3 EPE Q44...

Page 38: ...4 PMBS3904 PHILIPS SMT 04 Q902 57G 417 6 PMBS3906 PHILIPS SMT 06 R933 61G0805100 2F6857 RST CHIPR 10KOHM 1 1 R926 61G0805102 6857 RST CHIPR 1KOHM 5 1 R928 61G0805102 6857 RST CHIPR 1KOHM 5 1 R930 61G0805152 6857 RST CHIPR 1 5KOHM 5 R929 61G0805153 6865 RST CHIPR 15KOHM 5 1 R931 61G0805154 6857 RST CHIPR 150KOHM 5 R915 61G0805240 2F6857 RST CHIPR 24KOHM 1 1 R934 61G0805249 1F6857 RST CHIPR 2 49KOHM...

Page 39: ...9S 12 T RLZ20B BY ROHM T901 6G 31502 1 5MM RIVET 715G 901 1 86437 ADAPTER BOARD PCB J901 95G 90 23 TINCOATEDCOPPER J902 95G 90 23 TINCOATEDCOPPER R924 61G 17224152T6363 RST CFR 240 0HM 5 1 IC904 56G 158 4 T H431BA C924 65G 1K101 5T6921 100PF 1KV C905 65G 1K152 1T6052 1 5nF 1K Y5P 10 C906 67G 305220 7T6420 ELCAP 22UF 20 50V 10 C913 67G 305471 3T6420 ELCAP 470UF 20 16V 1 Q901 57G 724 8 2SK2843 SC M1...

Page 40: ...1 R341 61G0603000 6857 RST CHIPR 0 OHM 5 1 R342 61G0603000 6857 RST CHIPR 0 OHM 5 1 R502 61G0603000 6857 RST CHIPR 0 OHM 5 1 R637 61G0603000 6857 RST CHIPR 0 OHM 5 1 R343 61G0603100 6857 RST CHIPR 10 OHM 5 1 R344 61G0603100 6857 RST CHIPR 10 OHM 5 1 R345 61G0603100 6857 RST CHIPR 10 OHM 5 1 R346 61G0603100 6857 RST CHIPR 10 OHM 5 1 R347 61G0603100 6857 RST CHIPR 10 OHM 5 1 R348 61G0603100 6857 RST...

Page 41: ...646 61G0603103 6857 RST CHIPR 10KOHM 5 1 R652 61G0603103 6857 RST CHIPR 10KOHM 5 1 R617 61G0603121 6857 RST CHIPR 120 OHM 5 R618 61G0603121 6857 RST CHIPR 120 OHM 5 R201 61G0603203 6857 RST CHIPR 20KOHM 5 1 R610 61G0603221 6857 RST CHIPR 220 OHM 5 R611 61G0603221 6857 RST CHIPR 220 OHM 5 R313 61G0603222 6857 RST CHIPR 2 2KOHM 5 R314 61G0603222 6857 RST CHIPR 2 2KOHM 5 R647 61G0603223 6857 RST CHIP...

Page 42: ...04 326857 CHIP 0 1UF 50V X7R C324 65G0603104 326857 CHIP 0 1UF 50V X7R C325 65G0603104 326857 CHIP 0 1UF 50V X7R C401 65G0603104 326857 CHIP 0 1UF 50V X7R C404 65G0603104 326857 CHIP 0 1UF 50V X7R C406 65G0603104 326857 CHIP 0 1UF 50V X7R C407 65G0603104 326857 CHIP 0 1UF 50V X7R C408 65G0603104 326857 CHIP 0 1UF 50V X7R C409 65G0603104 326857 CHIP 0 1UF 50V X7R C410 65G0603104 326857 CHIP 0 1UF 5...

Page 43: ... 0805 FB304 71G 59B431 BK1608 HW 431 D314 93G 39147 TZMC5V6 D315 93G 39147 TZMC5V6 D316 93G 39147 TZMC5V6 D318 93G 39147 TZMC5V6 D319 93G 39147 TZMC5V6 D320 93G 39147 TZMC5V6 D321 93G 39147 TZMC5V6 D325 93G 39147 TZMC5V6 D304 93G 64 42 P BAV70 SOT 23 D305 93G 64 42 P BAV70 SOT 23 C301 93G 64 49 SU EGA10603 V05 C302 93G 64 49 SU EGA10603 V05 C303 93G 64 49 SU EGA10603 V05 D601 93G 6432V LL4148 GS08...

Page 44: ...4 Q207 57G 417 6 PMBS3906 PHILIPS SMT 06 Q208 57G 417 6 PMBS3906 PHILIPS SMT 06 Q202 57G 760 4 DTA144WKA BY ROHM SMT Q201 57G 760 5 DTC144WKA BY ROHM SMT Q203 57G 763 3 AO4411L SO 8 Q204 57G 763 3 AO4411L SO 8 R102 61G0603000 6865 RST CHIPR 0 OHM 5 1 R208 61G0603000 6865 RST CHIPR 0 OHM 5 1 R209 61G0603000 6865 RST CHIPR 0 OHM 5 1 R222 61G0603123 6865 RST CHIPR 12KOHM 5 1 R223 61G0603123 6865 RST ...

Page 45: ...0805105 276826 CHIP 1UF Y5V 0805 C219 65G0805105 276826 CHIP 1UF Y5V 0805 C220 65G0805105 276826 CHIP 1UF Y5V 0805 C208 65G0805331 316857 CHIP 330pF 50V NPO C221 65G0805474 276857 CHIP 0 47UF 25V Y5V C222 65G0805474 276857 CHIP 0 47UF 25V Y5V D205 93G 6432S 1N4148W D206 93G 6432S 1N4148W D207 93G 6432S 1N4148W D208 93G 6432S 1N4148W D209 93G 6432S 1N4148W D210 93G 6432S 1N4148W D203 93G 39S 3 T BZ...

Page 46: ...R226 61G 17210252T6363 RST CFR 1K0HM 5 1 4W R227 61G 17210252T6363 RST CFR 1K0HM 5 1 4W R228 61G 17210252T6363 RST CFR 1K0HM 5 1 4W R229 61G 17210252T6363 RST CFR 1K0HM 5 1 4W R230 61G 17210252T6363 RST CFR 1K0HM 5 1 4W R231 61G 17210252T6363 RST CFR 1K0HM 5 1 4W R232 61G 17210252T6363 RST CFR 1K0HM 5 1 4W R233 61G 17210252T6363 RST CFR 1K0HM 5 1 4W L103 71G 55 19 T6100 FERRITE BEAD D9X3 5X0 33F 2...

Page 47: ...5G0603473 326805 CHIP 0 047UF 50V X7R C306 65G0603473 326805 CHIP 0 047UF 50V X7R C308 65G0603473 326805 CHIP 0 047UF 50V X7R C309 65G0603473 326805 CHIP 0 047UF 50V X7R C310 65G0603473 326805 CHIP 0 047UF 50V X7R ID942MH1SMTP INVERTER BOARD FOR SMT ID942MH1AIP INVERTER BOARD FOR AI Q34G6346 PCABB BEZEL Diversity of T97MM2HTWEHPNNE Compared with T97MM2HKWEHANE Location Part No Description ADPC1260...

Page 48: ...HKWEHANE Location Part No Description ADPC1260A6P ADAPTER CBPC6SM2HPQ1P MAIN BOARD FOR 19 15G6232 1 PANEL BRACKET 89G 715HAA D2 SIGNAL CABLE M1G 930 5120 SCREW 705GH9K0P34004 ASS Y E750L 750GLS90M3111Z000H PANEL LTM190M2 L31 00 H40G 45769013A TAI WAN LABEL H41G160669019A DOC KIT FOR TAI WAN 439 AD1260ASMTP LCD ADAPTER ASS Y FOR S C903 63G107K474 US 0 47UF 10 C901 65G305M1022EP 1000P 400VAC 250VAC ...

Page 49: ...309 65G0603473 326785 CHIP 0 047UF 50V X7R C310 65G0603473 326785 CHIP 0 047UF 50V X7R C206 65G0805105 226857 CHIP 1UF 25V X7R 0805 C215 65G 3J2206ET 22PF 5 SL 3KV TDK C216 65G 3J2206ET 22PF 5 SL 3KV TDK C217 65G 3J2206ET 22PF 5 SL 3KV TDK C218 65G 3J2206ET 22PF 5 SL 3KV TDK C103 67G215B4713KV ELCAP 470UF 20 16V 1 C101 67G215V221 4K ELCAP 220UF 20 25V 1 C102 67G215V221 4K ELCAP 220UF 20 25V 1 715G...

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