Casper 19CSPR Service Manual Download Page 36 | Manualshive

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19

″

LCD Color Monitor

Casper 19CSPR

36

No backlight

Check C802=16V

NG

OK

Check adapter

Check ON/OFF signal

Check main board

NG

OK

Check U801 PIN12=16V

NG

OK

Change ON/OFF circuit

Check U801 PIN5 have triangle wave

NG

OK

Change U801

Check U801 PIN9/PIN10 PWM wave

NG

OK

Check U801

Check Q804, Q809 Drain wave

NG

Check the output of T801, T802

Check Q810/Q805/Q811/Q806

Check connecter & lamp, feedback and protect circuit

OK

NG

Change T801, T802

OK

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Summary of Contents for 19CSPR

Page 1: ...3 Operation Instruction 6 3 1 Control Buttons 6 3 2 Attaching the Cables 7 3 3 Adjusting the Picture 7 4 Input Output Specification 10 4 1 Input Signal Connector 10 4 2 Factory Preset Display Modes 1...

Page 2: ...19 LCD Color Monitor Casper 19CSPR 2 Revision List Revision Date Revision History TPV Model A00 Feb 26 09 Initial Release T98SM5NBX2KPAN...

Page 3: ...characteristics may create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from AOC AOC assumes no liability express or...

Page 4: ...7W EPA ENERGYSTAR OFF Mode 1W Input Connector 15 pin D Sub Input Video Signal Analog 0 7Vp p standard 75 OHM Positive Maximum Screen Size Horizontal 408mm Vertical 255mm Power Source 100 240VAC 50 60H...

Page 5: ...ess 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 AC IN 100V 240V Monitor Block Diagram Video signa...

Page 6: ...of monitor s power MENU ENTER Activate OSD menu when OSD is OFF or activate de activate adjustment function when OSD is ON or Exit OSD menu when in Brightness Contrast Adjust OSD status Volume Activa...

Page 7: ...plied with your LCD monitor Connecting the D Sub Cable Connect one end of the 15 pin D Sub cable to the back of the monitor and connect the other end to the computer s D Sub port Connecting the Audio...

Page 8: ...e Game Mode Movie Movie Mode Eco Sports Sports Mode Gamma1 Adjust to Gamma 1 Gamma2 Adjust to Gamma 2 Gamma Gamma3 Adjust to Gamma 3 Off Disable dynamic contrast ratio Luminance DCR On Enable dynamic...

Page 9: ...ature Skin Mode Green Field on or off Disable or Enable Green Field Mode Sky blue on or off Disable or Enable Sky blue Mode AutoDetect on or off Disable or Enable AutoDetect Mode Color Boost Demo on o...

Page 10: ...l Cable 1 5 6 10 11 15 4 2 Factory Preset Display Modes Standard Resolution Horizontal Frequency Vertical Frequency Dos mode 720 400 31 47kHz 70 0Hz 640 480 31 47kHz 60 0Hz 640 480 37 86kHz 72 8Hz VGA...

Page 11: ...quid crystal display LCD that uses amorphous silicon TFT Thin Film Transistor as switching components This model is composed of a TFT LCD panel a driver circuit and a back light unit The resolution of...

Page 12: ...19 LCD Color Monitor Casper 19CSPR 12 4 3 2 Optical Characteristics...

Page 13: ...19 LCD Color Monitor Casper 19CSPR 13 4 3 3 Electrical Characteristics TFT LCD Module Back Light Unit...

Page 14: ...19 LCD Color Monitor Casper 19CSPR 14 5 Block Diagram 5 1 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 15: ...on the LED and set it to green color Scalar initializes 10 In standby mode 11 Update the lifetime of back light 12 Check the analog port are there any signals coming 13 Does the scalar send out an in...

Page 16: ...sper 19CSPR 16 5 2 Electrical Block Diagram 5 2 1 Main Board Crystal 14 318MHZ X401 FLASH ROM SST25LF020A U402 Scalar TSUM1PFR Include ADC OSD MCU U401 D Sub Connector CN101 Panel Interface CN403 Key...

Page 17: ...sformer T801 T802 MOSFET Q804 Q809 PWM Control TL494IDR U801 16V EMI filter Start Resistor R904 R905 R906 PWM Control LD7552DPS U901 Transformer T901 AC input 16V 5V Bridge Rectifier and Filter Rectif...

Page 18: ...T PPWR_ON PANEL_ID Volume Mute CMVCC PA 4 9 CMVCC1 VCTRL 02 Input DSUB_R DSUB_G DSUB_B DSUB_V DSUB_R DSUB_G DSUB_B DET_CABLE DSUB_H DSUB_SOG DDC1_SDA DDC1_SCL DSUB_5V VCC3 3 ESD_VCC DSUB_5V PA 4 9 XGA...

Page 19: ...C102 22pF R106 2K2 1 16W 5 R112 75R 1 16W 5 R107 75R 1 16W 5 C109 0 047uF R105 2K2 1 16W 5 C108 5pF 50V C104 5pF 50V R115 100R 1 16W 5 R108 100R 1 16W 5 1 2 ZD104 UDZSNP5 6B R103 100R 1 16W 5 R109 390...

Page 20: ...N402 NC CONN R419 100R 1 16W 5 C404 0 1uF 16V C408 0 22uF16V C403 0 1uF 16V R429 NC C413 0 1uF 16V R410 120R 1 16W 5 R431 NC CE 1 SO 2 WP 3 VSS 4 SI 5 SCK 6 HOLD 7 VDD 8 U402 SST25LF020A 33 4C SAE R41...

Page 21: ...9 20 21 22 23 24 25 26 27 28 29 30 CN403 CONN R434 330 OHM 1 4W C419 0 1uF 16V R433 10K 1 16W 5 PANEL_VCC PANEL_VCC CMVCC OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P V Top Victory Electron...

Page 22: ...0K 1 16W 5 Q406 2N3904S RTK PS 1 2 3 4 5 6 7 8 9 CN404 CONN C425 NC R448 4K7 1 16W 5 C422 0 1uF 16V R449 NC C428 0 1uF 16V CMVCC MVCC VCC3 3 VCC3 3 VCC3 3 VCC3 3 VCC3 3 VCC3 3 CMVCC1 VCC1 8 CMVCC1 3 1...

Page 23: ...3 FUSE C910 0 047uF R925 1K 1 8W 1 2 3 4 5 6 7 8 9 10 11 12 13 CN902 CONN R940 NC Q903 PMBS3904 R942 1K 1 10W 1 D903 LL4148 3 5A USB AUDIO 1 5A main PCB 2A INVERTER 5V1 1 2 HS2 EMI shield NC H85G0002...

Page 24: ...470uF 25V C819 1uF 16V Q810 PMBS3904 C816 1500PF 50V Q811 PMBS3904 R835 1K 1 8W R830 0R05 1 8W 3 1 2 D802 BAV99 Q807 PMBS3904 R819 10K 1 10W 1 S 1 G 2 S 3 G 4 D 8 D 7 D 6 D 5 Q804 AM9945N T1 PF 1 2 ZD...

Page 25: ...uF 16V R609 10K 1 10W 5 Q607 PMBS3904 C602 0 47uF 16V Q608 RK7002 C610 100pF SHUTDOWN 1 BYPASS 2 RIN 3 GND 4 GND 5 LIN 6 VOLUME 7 SE BTL 8 LOUT 9 VDD 10 LOUT 11 GND 12 GND 13 ROUT 14 VDD 15 ROUT 16 IC...

Page 26: ...Thursday January 10 2008 715G2835 1 2 0 key 2 1 3 4 5 SW005 SW SGND 1 2 3 4 5 6 CN001 CONN ZD001 NC UDZS5 6B OK DOWN UP CONNECTOR LED MENU Power C006 NC 0 1uF C008 NC 0 1uF ZD004 NC UDZS5 6B C010 NC...

Page 27: ...19 LCD Color Monitor Casper 19CSPR 27 7 PCB Layout 7 1 Main Board 715G2904 1...

Page 28: ...19 LCD Color Monitor Casper 19CSPR 28...

Page 29: ...19 LCD Color Monitor Casper 19CSPR 29 7 2 Power Board 715G2824 2 2...

Page 30: ...19 LCD Color Monitor Casper 19CSPR 30...

Page 31: ...19 LCD Color Monitor Casper 19CSPR 31 7 3 Key Board 715G2835 1...

Page 32: ...or Analyzer 7 Service Manual 8 User Manual 8 2 Trouble Shooting 8 2 1 Main Board No power No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100V 240V i...

Page 33: ...Replace U401 Replace X401 Check C423 1 8V U404 Vout 3 3V Check Correspondent component Replace U401 Check X401 oscillate waveform is normal Check CN404 or replace Q409 Q410 and U404 OK OK OK OK OK NG...

Page 34: ...Measure Q404 base is low level X401 oscillate waveform is normal Check CN 403 is solder and Q405 is OK Check Correspondent component Replace PANEL Check Correspondent component Replace U401 OK OK OK R...

Page 35: ...905 Check bridge rectified circuit and F901 circuit Check start voltage for the pin3 of U901 Check R904 R905 R906 Change U901 NG Check the auxiliary voltage is bigger than 10V and smaller than 20V 1 C...

Page 36: ...rd NG OK Check U801 PIN12 16V NG OK Change ON OFF circuit Check U801 PIN5 have triangle wave NG OK Change U801 Check U801 PIN9 PIN10 PWM wave NG OK Check U801 Check Q804 Q809 Drain wave NG Check the o...

Page 37: ...8 2 3 Key Board OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch OK NG NG Is Key Pad Board Normally Replace Ke...

Page 38: ...s x 313 30 y 329 30 Y 180cd m2 3 Into factory mode 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 4...

Page 39: ...show x 283 30 y 297 30 Y 150cd m2 4 Adjust the RED on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN on factory window until chroma 7120 indicator reached the v...

Page 40: ...EL L19W A 8Q5 2 LENS 3 KEY PAD 4 KEY BOARD 5 PANEL 6 POW ER BOARD 7 MAIN BOARD 8 MAIN FRAME L19W A 8Q 9 SPK 10 REAR COVER19 11 HINGE 12 STAND TOP 13 STAND 14 BASE 8S2 15 FOOT No P N S1 SCREW 0M1G1730...

Page 41: ...HINGE ASS Y 2nd source 015F0067510 SUPPORT 015F0067020 ACTIVE PLATE 004F061210T 00 METAL WASHERS12 0 8 00 1 6H 004F061210T 01 METAL WASHERS12 0 4 72 1 0T 004F061210M 00 METAL WASHERS12 0 6 03 4 70H 0...

Page 42: ...M 5 1 16W R457 061G0402101 RST CHIPR 100 OHM 5 1 16W R456 061G0402101 RST CHIPR 100 OHM 5 1 16W R442 061G0402101 RST CHIPR 100 OHM 5 1 16W R420 061G0402101 RST CHIPR 100 OHM 5 1 16W R419 061G0402101 R...

Page 43: ...401 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C412 065G0402220 31 CHIP 22PF 50V NPO C411 065G0402220 31 CHIP 22PF 50V NPO C103 065G0402220 31 CHIP 22PF 50V NPO C102 065G0402220 31 CHIP 22PF 50V NPO C40...

Page 44: ...1 10W R005 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R002 061G1206200 1F RST CHIPR 2 0 KOHM 1 1 4W R004 061G1206200 1F RST CHIPR 2 0 KOHM 1 1 4W 709G2835 QS018 COMSUPTIVE ASS Y 715G2835 1 KEY PCB PWPC89...

Page 45: ...510 DN X FMR INVERTER 142UH 2nd source T802 080GL20T510 DN X FMR INVERTER 142UH 2nd source T901 080GL22T 3 N X FMR 490UH YUVA 822 CN901 087G 501 32 S AC SOCKET CN601 088G 30214K DC PHONE JACK 5PIN BD9...

Page 46: ...CHIPR 10 KOHM 5 1 10W R602 061G0603103 RST CHIPR 10 KOHM 5 1 10W R603 061G0603103 RST CHIPR 10 KOHM 5 1 10W R604 061G0603103 RST CHIPR 10 KOHM 5 1 10W R605 061G0603103 RST CHIPR 10 KOHM 5 1 10W R609 0...

Page 47: ...07 061G1206000 RST CHIP MAX 0R05 1 4W RJ806 061G1206000 RST CHIP MAX 0R05 1 4W RJ805 061G1206000 RST CHIP MAX 0R05 1 4W RJ804 061G1206000 RST CHIP MAX 0R05 1 4W RJ803 061G1206000 RST CHIP MAX 0R05 1 4...

Page 48: ...0V X7R C940 065G0805104 32 CAP CHIP 0805 0 1UF K 50V X7R C609 065G080510522K T CAP CHIP 0805 1UF K 25V X7R C608 065G080510522K T CAP CHIP 0805 1UF K 25V X7R C822 065G0805152 32 CHIP 1500PF 50V X7R 080...

Page 49: ...G 90 23 JUMPER WIRE J819 095G 90 23 JUMPER WIRE J818 095G 90 23 JUMPER WIRE J817 095G 90 23 JUMPER WIRE J816 095G 90 23 JUMPER WIRE J815 095G 90 23 JUMPER WIRE J814 095G 90 23 JUMPER WIRE J813 095G 90...

Page 50: ...CASE EEL19 T901 S80GL22T3V XFMR POWER 490UH TPV PT C605 096G 29 8 TUBE Q15G0245801 MAINFRAME L19WA 8Q Q33G0170ABJ 1L0100 KEY PAD Q33G0171 1 1C0100 LENS Q34G0265ABJ 8B0100 REAR COVER19 Q34G0313AEDF2B0...

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