Compaq W19Q Service Manual Download Page 14

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19" LCD Color Monitor COMPAQ W19Q

6.3 Electrical Block Diagram

6.3.1 Scalar Board

EEPROM

SST25VF010A-

33-4C-SAE

(U402)

Scalar IC GM5726-LF-AB (Include ADC, OSD, MCU)

(U401)

EEPROM

M24C02

(U201)

RGB

CLK+

CLK-

SDA

SCL

LCD Interface

(CN501)

DVI

Connector

(CN201)

Crystal

14.31818MHz

(X301)

D-Sub

Connector

(CN202)

EPR_SDA

EPR_SCL

H sync

V sync

RGB

EEPROM

M24C02

(U202)

DB15_SDA

DB15_SCL

Summary of Contents for W19Q

Page 1: ...he 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...

Page 2: ...19 LCD Color Monitor COMPAQ W19Q 2 Revision List Version Date Revision History TPV Model Name T96HGFDBW3CPAE A01 Nov 24 06 First release T96MGFDBW3CPAE...

Page 3: ...19 LCD Color Monitor COMPAQ W19Q 3 1 Monitor Specification...

Page 4: ...s 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 Video signal DDC Power Board Include adapter and in...

Page 5: ...uttons are located 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...

Page 6: ...19 LCD Color Monitor COMPAQ W19Q 6 3 3 Adjust the Picture...

Page 7: ...19 LCD Color Monitor COMPAQ W19Q 7...

Page 8: ...en GND 15 DDC serial Clock 8 Blue GND VGA connector layout PIN 1 PIN 5 PIN 11 Pin Signal Pin Signal Pin Signal 1 TMDS Data 2 9 TMDS Data 1 17 TMDS Data 0 2 TMDS Data 2 10 TMDS Data 1 18 TMDS Data 0 3...

Page 9: ...tory 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 Le...

Page 10: ...19 LCD Color Monitor COMPAQ W19Q 10 5 Panel Specification 5 1 General Feature Mechanical Information...

Page 11: ...19 LCD Color Monitor COMPAQ W19Q 11 5 2 Optical Characteristics Optical Specification...

Page 12: ...19 LCD Color Monitor COMPAQ W19Q 13 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 13: ...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 i...

Page 14: ...rd EEPROM SST25VF010A 33 4C SAE U402 Scalar IC GM5726 LF AB Include ADC OSD MCU U401 EEPROM M24C02 U201 RGB CLK CLK SDA SCL LCD Interface CN501 DVI Connector CN201 Crystal 14 31818MHz X301 D Sub Conne...

Page 15: ...ilter Start circuit R903 R904 R931 Transform Switching circuit PWM control IC MOSFET Rectifier and filter D904 D905 Feedback circuit IC902 IC903 12V 5V Start circuit On off control PWM control IC Push...

Page 16: ...GND T5 T5 TC TC A_RED HPD SGND A_GREEN A_BLUE A_HSYNC A_GND A_GND A_GND R218 33K 1 16W R204 10 1 16W RX1 3 RXC IN R208 10 1 16W C201 0 001uF D213 BAV99 3 1 2 VS 3 VGA_5V GND GREEN 3 D_DDC_5V C214 0 1u...

Page 17: ...C VSYNC DDC_SDA_VGA DDC_SCL_VGA GPIO_9 GPIO_8 GPIO_10 GPIO_14 AVDD_BIAS_33 GPO_2 GPO_3 RVDD_33 HOST_SCL HOST_SDA REXT RX2 RX2 RX1 RX1 RX0 RX0 RXC RXC VSS_RPLL LBADC_VSS LBADC_IN3 LBADC_IN2 LBADC_IN1 A...

Page 18: ..._ONOFF R428 0 1 16W R429 0 1 16W GND L401 120 OHM Q403 PMBS3904 3 2 1 C413 0 1uF 16V R401 1K 1 16W LED_ORANGE CN401 CONN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 GND 3 3V_VDD LED_G 3 R416 10K 1 10W R402 4 7K...

Page 19: ...XE3 RXEC C502 0 1uF 16V LVDS_E1 RXO0 LVDS_O0 RXE0 15 4mA LVDS_O1 LVDS_E7 LVDS_E2 LVDS_E5 C503 NC LVDS_O6 RXO3 LVDS_O7 RXOC RXO2 RXO2 C501 10uF LVDS_O0 RXO1 LVDS_E2 LVDS_O4 LVDS_E9 7 26 By Sunny 1 PANE...

Page 20: ...5V 2005 12 07 Modify by Sunny 2006 04 28 Modify by jc chen 09 08 BY CHYUANGLAI FOR LPL PANEL R605 4 7K 1 16W C610 22uF 50V GND 3 3V_VDD R609 47K 1 16W GND D602 FA20 04 VCC5V C182 47uF 25V GND GND C612...

Page 21: ...0 1uF L902 73L 174 65 LS 1 4 2 3 D902 FR103 5V C934 JUMP R904 100K 1 4W 5V C900 0 0022UF R941 NC R925 3 6K 0805 1 R922 1K 0805 ZD904 RLZ18B 1 2 IC902 PC123X2YFZOF 1 2 4 3 5V C932 0 0015uF 2KV CN901 SO...

Page 22: ...C805 1000pF C831 470pF 50V C801 0 1uF R849 1M 1 8W R863 30 1206 C808 0 0068uF OPT1 C813 332 1206 C842 0 1uF Q809 RK7002 C812 332 1206 CN804 CONN 1 3 4 2 C811 470UF 25V R803 10K 0805 Q806 AM9945 1 2 3...

Page 23: ...of CN002 EAR PHONEJACK 1 5 4 3 2 7 8 LED_GRN ESD by jc chen 2006 5 11 CN003 SPK R 1 2 LED_ORANGE SW005 KEY MANU KEY RIGHT SW001 KEY SEL ORANGE GND wire GND GND R102 75 GREEN GND ZD101 BZX79 B5V6 1 2 G...

Page 24: ...ND INL VAROUT_L VOLUME VAROUT_R NC INR SVR STBY MUTE GND OUTR VS VS OUTL GND GND GND GND GND OUT_R MUTE ZD202 BZX79 B5V6 1 2 R207 1K 12V R201 18K GND 12V C205 470uF 16V C213 0 1uF C211 100pF C204 0 47...

Page 25: ...AQ W19Q 33 9 Maintainability 9 1Equipments 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 Ser...

Page 26: ...nected Connected the Signal cable again Check LED status 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...

Page 27: ...n or CN501 solder abnormal Replace Q603 Q602 or re solder CN501 OK NG Replace U401 Replace X301 14 318MHz Replace Panel NG NG OK NG Check the Bklt On relative circuit R603 Q601 In normal operation whe...

Page 28: ...tput Measured X301 waveform is normal Check GM5726 U401 Signal output PIN31 40 7 16 Is the waveform ok Replace X301 14 318MHz Check HS VS input signal are normal OK Replace U401 OK OK Check relative c...

Page 29: ...ne volt 120V or 220V Change F901 Check BD901 Q903 IC901 Check the voltage of C905 Check bridge retified circuit Check start voltage for the Pin6 of IC901 Change IC901 OK Check the auxiliary voltage is...

Page 30: ...Check the output of PT801 PT802 Check ON OFF signal Check IC801 PIN2 5V Pin9 12V voltage of C905 Check adapter circuit Check Interface board OK OK NG NG Check Q801 Q802 Q803 NG NG OK Check Q805 Q806...

Page 31: ...9 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 Switc...

Page 32: ...hen the factory OSD will be at the left top of the panel 4 Bias adjustment Set the Contrast to 80 Adjust the Brightness to 90 5 Gain adjustment Move cursor to F and press MENU key A Adjust 9300k color...

Page 33: ...perature 1 Switch the chroma 7120 to 6500K channel 2 The chroma 7120 will show x 313 20 y 329 20 Y 200 cd m2 3 Switch the chroma 7120 l to RGB MODE with press MODE button to change 4 Adjust the RED of...

Page 34: ...16E05 WIRE HARNESS M1G 340 8125 SCREW M1G1140 6128 CR3 SCREW M1G1730 6128 CR3 SCREW M3x6 M1G1740 8128 CR3 SCREW M4X8 M1G2430 5225 CR3 SCREW Q1G 330 8120 SCREW 3X8mm Q1G 330 12120 SCREW 3X12mm 705GH9K0...

Page 35: ...R201 61G 60218352T6363 18KOHM 5 1 6 R203 61G 60218352T6363 18KOHM 5 1 6 R210 61G 60220352T6363 CFR 20K OHM 5 1 6W R211 61G 60220352T6363 CFR 20K OHM 5 1 6W R202 61G 60220452T6363 200KOHM 5 1 6W R212 6...

Page 36: ...56G 562529 IC GM5726 LF AB GENESIS U601 56G 563 7 AIC1084 33PM U602 56G 563 31 AZ1117D 1 8 EI U302 56G 643 13 G691L400T73UF SOT 23 GM U201 56G1133 34 M24C02 WMN6TP U202 56G1133 34 M24C02 WMN6TP U403 5...

Page 37: ...RST CHIP 100R 1 10W 5 R309 61G0603101 RST CHIP 100R 1 10W 5 R310 61G0603101 RST CHIP 100R 1 10W 5 R311 61G0603101 RST CHIP 100R 1 10W 5 R407 61G0603101 RST CHIP 100R 1 10W 5 R408 61G0603101 RST CHIP 1...

Page 38: ...IP 33R 1 10W 5 R249 61G0603330 RST CHIP 33R 1 10W 5 R250 61G0603330 RST CHIP 33R 1 10W 5 R256 61G0603330 RST CHIP 33R 1 10W 5 R257 61G0603330 RST CHIP 33R 1 10W 5 R259 61G0603330 RST CHIP 33R 1 10W 5...

Page 39: ...T CHIP 75R 1 10W 1 R606 61G0805000 RST CHIP MAX 0R05 1 8W R501 61G0805331 RST CHIP 330R 1 8W 5 C201 65G0603102 32 1000PF 10 50V X7R C404 65G0603102 32 1000PF 10 50V X7R C405 65G0603102 32 1000PF 10 50...

Page 40: ...04 12 0 1UF 10 16V X7R C607 65G0603104 12 0 1UF 10 16V X7R C608 65G0603104 12 0 1UF 10 16V X7R C612 65G0603104 12 0 1UF 10 16V X7R C613 65G0603104 12 0 1UF 10 16V X7R C614 65G0603104 12 0 1UF 10 16V X...

Page 41: ...SOT 23 D205 93G 64 33 BAV99 SOT 23 D206 93G 64 33 BAV99 SOT 23 D207 93G 64 33 BAV99 SOT 23 D208 93G 64 33 BAV99 SOT 23 D211 93G 64 33 BAV99 SOT 23 D212 93G 64 33 BAV99 SOT 23 D213 93G 64 33 BAV99 SOT...

Page 42: ...50V NPO C102 65G0603271 316805 CHIP 270PF 50V NPO ZD101 93G 64 49 SU EGA10603 V05 ZD102 93G 64 49 SU EGA10603 V05 715G2127 1 6437 KEPC BOARD PCB PW1942HH2SMTP POWER BOARD FOR SMT L902 S73G17465VW FIL...

Page 43: ...XFMR FOR POWER LITAI PT801 80GL19T 8DN1 OZ9RR_TRANS PT802 80GL19T 8DN1 OZ9RR_TRANS F901 84G 55 7W FUSE 3 15A 250V WICKMAN BD901 93G 50460900 GBU408 CN902 95G8014 12569 WIRE HARNESS P1G1730 8128 CR3 SC...

Page 44: ...K 1 8W 5 R913 61G0805104 RST CHIP 100K 1 8W 5 R813 61G0805105 RST CHIP 1M 1 8W 5 R846 61G0805105 RST CHIP 1M 1 8W 5 R847 61G0805105 RST CHIP 1M 1 8W 5 R848 61G0805105 RST CHIP 1M 1 8W 5 R849 61G080510...

Page 45: ...RST CHIP 1K 1 4W 5 R927 61G1206103 RST CHIPR 10 KOHM 5 R904 61G1206104 RST CHIPR 100 KOHM 5 R931 61G1206104 RST CHIPR 100 KOHM 5 R938 61G1206104 RST CHIPR 100 KOHM 5 R807 61G1206220 RST CHIP 22R 1 4W...

Page 46: ...32 CHIP 0 1U 50V X7R C804 65G0805105 22 CHIP 1UF 25V X7R 0805 C806 65G0805105 22 CHIP 1UF 25V X7R 0805 C840 65G0805105 22 CHIP 1UF 25V X7R 0805 C909 65G0805221 31 220PF 50V NPO C814 65G0805224 22 CAI...

Page 47: ...6 1 5MM RIVET L902 6G 31502 6176 1 5MM RIVET NR901 6G 31502 6176 1 5MM RIVET PT801 6G 31502 6176 1 5MM RIVET PT802 6G 31502 6176 1 5MM RIVET Q903 6G 31502 6176 1 5MM RIVET T901 6G 31502 6176 1 5MM RIV...

Page 48: ...31AZ AE1 TO 92 C931 65G 1K102 5T6921 1000PF 1KV C930 65G 2K152 1T GP CERAMIC CAP C932 65G 2K152 1T GP CERAMIC CAP C933 65G 2K152 1T GP CERAMIC CAP C906 67G215Y2207KT6366 22UF 20 50 34FP174 65 40FP174...

Page 49: ...78G 322502 KR SPEAKER 8OHM 1 5W Q1G1030 8128 CR3 SCREW A33G0031 1 1C POWER LENS A33G0032AAQ 1L KEY PAD A34G0052AAQA2B 30 BEZEL Q1G 340 12128 CR3 SCREW A34G0053AAA 1B STAND TOP A34G0054AAA 1B STAND BO...

Page 50: ...6F73 RUBYCON 50V 22UF C309 67G215Y2207RV6F73 RUBYCON 50V 22UF C316 67G215Y2207RV6F73 RUBYCON 50V 22UF C319 67G215Y2207RV6F73 RUBYCON 50V 22UF C325 67G215Y2207RV6F73 RUBYCON 50V 22UF C501 67G215Y2207RV...

Page 51: ...401 61G0603102 6857 RST CHIP 1K 1 10W 5 R602 61G0603102 6857 RST CHIP 1K 1 10W 5 R603 61G0603102 6857 RST CHIP 1K 1 10W 5 R604 61G0603102 6857 RST CHIP 1K 1 10W 5 R201 61G0603103 6857 RST CHIP 10K 1 1...

Page 52: ...03333 6857 RST CHIP 33K 1 10W 5 R212 61G0603472 6857 RST CHIP 4 7K 1 10W 5 R213 61G0603472 6857 RST CHIP 4 7K 1 10W 5 R219 61G0603472 6857 RST CHIP 4 7K 1 10W 5 R226 61G0603472 6857 RST CHIP 4 7K 1 10...

Page 53: ...1000PF 10 50V X7R C407 65G0603102 326805 1000PF 10 50V X7R C209 65G0603104 126805 0 1UF 10 16V X7R C214 65G0603104 126805 0 1UF 10 16V X7R C219 65G0603104 126805 0 1UF 10 16V X7R C220 65G0603104 1268...

Page 54: ...G0603104 126805 0 1UF 10 16V X7R C402 65G0603105 126805 CHIP 1UF 16VX7R 0603 C502 65G0603105 126805 CHIP 1UF 16VX7R 0603 C616 65G0603105 126805 CHIP 1UF 16VX7R 0603 C217 65G0603220 326785 CHIP 22PF 50...

Page 55: ...D 470UF 25V C904 67G215V471 4K6366 ED 470UF 25V C911 67G215V471 4K6366 ED 470UF 25V C912 67G215V471 4K6366 ED 470UF 25V C935 67G215V471 4K6366 ED 470UF 25V C936 67G215V471 4K6366 ED 470UF 25V C937 67G...

Page 56: ...7 RST CHIP 33K 1 8W 1 R925 61G0805360 1F6857 RST CHIP 3 6K 1 8W 1 R850 61G0805472 6857 RST CHIP 4 7K 1 8W 5 R852 61G0805472 6857 RST CHIP 4 7K 1 8W 5 R853 61G0805472 6857 RST CHIP 4 7K 1 8W 5 R811 61G...

Page 57: ...4W 5 R906 61G1206470 6857 RST CHIP 47 OHM 1 4W 5 R934 61G1206470 6857 RST CHIP 47 OHM 1 4W 5 R935 61G1206470 6857 RST CHIP 47 OHM 1 4W 5 R805 61G1206471 6857 RST CHIP 470 OHM 1 4W R919 61G1206471 6857...

Page 58: ...C909 65G0805221 316857 220PF 50V NPO C814 65G0805224 226805 CAIP CAP 0 22 uF 25V X7 C818 65G0805332 326857 CHIP 3300PF 50V X7R C827 65G0805332 326857 CHIP 3300PF 50V X7R C820 65G0805471 316805 CHIP 4...

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