manualshive.com logo in svg

AOC 2116Sw, Service Manual, Page: 38 / 58

Share
Download
AOC 2116Sw Service Manual Download Page 38

22” LCD Color Monitor                                                                                  AOC 2116Sw                         

 

38

8.2.2 Power/Inverter Board   

No power 

 

 

 

   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check bridge rectified circuit and F901 circut 

1) Check  IC901 

2) Check R909/D901 and OVP circuit 

Check CN902 pin4, 5 = 12V     

Check the voltage of C905(+) 

Check start voltage for the pin8 of IC901 

Check R904, R932, R933, and Change IC901       

NG 

Check the auxiliary voltage is bigger than   

10V and smaller than 20V 

NG 

NG 

NG 

Check Q902/D906/IC903/ZD921/ZD922 

Check IC901 pin6 PWM wave 

Check IC901 

NG 

OK 

NG 

OK 

OK 

OK 

OK 

Check AC line volt 110V or 220V 

Check AC input 

Summary of Contents for 2116Sw

Page 1: ...Instruction 6 3 1 General Instructions 6 3 2 Control Button 6 3 3 Adjusting the Picture 7 4 Input Output Specification 14 4 1 Input Signal Connector 14 4 2 Factory Preset Display Modes 15 4 3 Panel S...

Page 2: ...22 LCD Color Monitor AOC 2116Sw 2 Revision List Revision Date Revision History TPV Model A00 June 30 07 Initial Release TC7CMADBLWA5NN TC7CMADPLWXMNF TC7CMADPLWXMNN TC7CMADQLWA2NF TC7CMADQLWA2NN...

Page 3: ...haracteristics 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 i...

Page 4: ...5 Hz modes within these parameters Input Vertical scan Size Maximum 290 58mm Max Resolution 1680 x 1050 60 Hz Plug Play VESA DDC2BTM ON Mode 49W Power Consumption saving mode 2 W Input Connector 15 pi...

Page 5: ...tness 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 AC IN 100V...

Page 6: ...nel of the monitor By changing these settings the picture can be adjusted to your personal preferences The power cord should be connected Connect the video cable from the monitor to the video card Pre...

Page 7: ...button while the monitor is off and then press power button to turn the monitor on To un lock the OSD press and hold the MENU button while the monitor is off and then press power button to turn the m...

Page 8: ...accommodate various display needs Color Boost also offers 5 different color enhancement modes Full Enhance Natural Skin Green Field Sky Blue and Auto Detect Please go to the fourth icon labeled Color...

Page 9: ...skin with more natural and truer colors Natural Skin setting is ideal for viewing human portrait and detailed skin texture Green Field When Green Field is turned on the green color is enriched so that...

Page 10: ...der a lively picture Demo Screen divided into two for demonstration purposes 2 How to use Picture Boost Users can change the color settings of a self selected zone on the screen The size and position...

Page 11: ...is uplifted to exceed 2000 1 DCR value varies subject to the original CR values of the LCD module The higher the original CR the higher DCR can be achieved DCR is great for watching movie or video con...

Page 12: ...djust Picture Phase to reduce Horizontal Line noise H Position 0 100 Adjust the verticalposition of the picture V Position 0 100 Adjust the horizontal position of the picture Color Temp Warm Recall Wa...

Page 13: ...turation 0 100 Adjust Frame Saturation H position Adjust Frame horizontal Position Position V position Adjust Frame vertical Position Bright Frame on or off Disable or Enable Bright Frame OSD Setup H...

Page 14: ...Specification 4 1 Input Signal Connector Pin No Description Pin No Description 1 Red 9 5V 2 Green 10 Detect Cable 3 Blue 11 N C 4 N C 12 DDC Serial Data 5 Ground 13 H Sync 6 R Ground 14 V Sync 7 G Gro...

Page 15: ...22 LCD Color Monitor AOC 2116Sw 15 4 2 Factory Preset Display Modes...

Page 16: ...posed of LCD panel driver ICs control circuit and backlight By applying 6 bit digital data 1680 1050 16 7M color images are displayed on the 21 6 diagonal screen Input power voltage is 5 0V for LCD dr...

Page 17: ...22 LCD Color Monitor AOC 2116Sw 17 Optical Characteristics...

Page 18: ...22 LCD Color Monitor AOC 2116Sw 18 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 19: ...he 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 interru...

Page 20: ...am 5 2 1 Main Board FLASH ROM PM25LV010A U402 Scalar IC TSUMU58BWHL LF Include ADC OSD MCU U202 LCD PANEL CN301 EEPROM M24C04 WMN6TP U204 D Sub Connector CN101 EPR_SDA EPR_SCL H sync V sync RGB EEPROM...

Page 21: ...IC IC TEA1530 Transformer T901 Over Voltage Protect 5V Rectifier and Filter ON OFF Control Q805 Q808 PWM Control IC TL494 Feedback Circuit Output Circuit Transformer MOSFET Q802 Q803 Lamp ON OFF DIM...

Page 22: ...22 LCD Color Monitor AOC 2116Sw 22 6 Schematic 6 1 Main Board...

Page 23: ...22 LCD Color Monitor AOC 2116Sw 23...

Page 24: ...22 LCD Color Monitor AOC 2116Sw 24...

Page 25: ...22 LCD Color Monitor AOC 2116Sw 25...

Page 26: ...1000uF 25V R961 100 1 4W C906 1500pF 2KV C908 22uF 50V GND1 GND 1 2 R931 8K2 1 8W HS2 NC 1 2 R914 0 22 2W C931 0 1uF C907 0 1uF D907 31DQ06FC R903 680K 1 4W R924 1K5 1 10W R918 100 1 4W R910 10R 1 4W...

Page 27: ...10W CN803 CONN 1 2 R805 NC R827 0 1 10W CN802 CONN 1 2 D801 BAV99 3 1 2 F801 0R05 1 4W Q806 PMBS3904 R817 10K 1 10W Q803 AM9945N T1 PF 1 2 3 4 8 7 6 5 S G S G D D D D D802 BAV99 3 1 2 R822 1K 1 10W 1...

Page 28: ...22 LCD Color Monitor AOC 2116Sw 28 6 3 Key Board...

Page 29: ...22 LCD Color Monitor AOC 2116Sw 29 7 PCB Layout 7 1 Main Board...

Page 30: ...22 LCD Color Monitor AOC 2116Sw 30...

Page 31: ...22 LCD Color Monitor AOC 2116Sw 31 7 2 Power Board...

Page 32: ...22 LCD Color Monitor AOC 2116Sw 32...

Page 33: ...22 LCD Color Monitor AOC 2116Sw 33 7 3 Key Board...

Page 34: ...2116Sw 34 8 Maintainability 8 1 Equipments and Tools Requirement 1 Voltmeter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with an IBM Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Serv...

Page 35: ...wer key and look if the picture is normal Please reinsert and make sure the 5V and 12V input is normal Reinsert or check the power section Check X201 oscillate waveforms are normal Measure U701 Pin2 3...

Page 36: ...mal Replace U202 Replace X201 Measure U701 PIN2 3 3V and U702 PIN2 1 8V Check Correspondent component Replace U202 X201 oscillate waveform is normal Replace U701 U702 OK OK OK OK OK NG NG NG NG Check...

Page 37: ...sure Q301 base is low level X201 oscillate waveform is normal Check Q301 Q302 is broken or CN401 solder Check Correspondent component Replace PANEL Check Correspondent component Replace U202 OK OK OK...

Page 38: ...circuit Check CN902 pin4 5 12V Check the voltage of C905 Check start voltage for the pin8 of IC901 Check R904 R932 R933 and Change IC901 NG Check the auxiliary voltage is bigger than 10V and smaller...

Page 39: ...12 of IC801 is 14V Check main board or change ON OFF signal Check the pin5 of IC801 have saw tooth wave Change IC801 Check Q802 Q803 PIN5 6 7 8 have the output of square wave at short time Check the o...

Page 40: ...8 2 3 Keypad Board OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Y N N Is Key Pad Board normally Replace Ke...

Page 41: ...MEM CHANNEL 10 sRGB color sRGB color temp parameter is x 313 20 y 329 20 Y 180cd m2 3 Into Factory mode of AOC 2116Sw Press the MENU button pull out the power cord and then plug the power cord Then t...

Page 42: ...il chroma 7120 indicator reached the value G 100 6 Adjust the BLUE on factory window until chroma 7120 indicator reached the value B 100 7 Repeat above procedure item 4 5 6 until chroma 7120 RGB value...

Page 43: ...22 LCD Color Monitor AOC 2116Sw 43 10 Monitor Exploded View...

Page 44: ...TAND A34G0290 AS 1B 33 BASE 7S7 A37G0031 6 HINGE AM1G1740 12120 SCREW 750GLCB6WA113N PANEL CLAA220WA01 000 FZ CPT A15G0208 6 MAIN FRAME A33G0171 GM 1L KEY BUTTON A33G0173 GM 1L 32 CABLE CLAMP A33G0182...

Page 45: ...Q302 057G 763 1 A03401 SOT23 BY AOS A1 R201 061G0402000 RST CHIPR 0 OHM 5 1 16W R104 061G0402101 RST CHIPR 100 OHM 5 1 16W R108 061G0402101 RST CHIPR 100 OHM 5 1 16W R110 061G0402101 RST CHIPR 100 OHM...

Page 46: ...5 1 16W R219 061G0402104 RST CHIPR 100 KOHM 5 1 16W R105 061G0402202 RST CHIP 2K 1 16W 5 R106 061G0402202 RST CHIP 2K 1 16W 5 R202 061G0402223 RST CHIPR 22 KOHM 5 1 16W R204 061G0402390 0F RST CHIP 39...

Page 47: ...104 15 MLCC 0402 0 1UF K 16V X5R C229 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C228 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C227 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C226 065G0402104 15 MLCC 0402...

Page 48: ...AD FCM2012VF 301T07 BULLWILL FB201 071G 56V301 B CHIP BEAD FCM2012VF 301T07 BULLWILL FB101 071G 59K190 B 19 OHM BEAD FB102 071G 59K190 B 19 OHM BEAD FB103 071G 59K190 B 19 OHM BEAD D102 093G 64 33 DIO...

Page 49: ...065G305M1022BP Y2 1000PF M 250VAC Y5P C921 065G306M4722BP 4700PF 20 400VAC C905 067G 40J10115K EC CAP 100UF 450V 18 35MM C803 067G215D4714KV E C 105 CAP 470UF M 25V ED SERIES C802 067G215D4714KV E C...

Page 50: ...4WK SOT346 Q803 057G 763 14 AM9945N Q802 057G 763 14 AM9945N R827 061G0603000 RST CHIPR 0 OHM 5 1 10W R801 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R809 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R812 061...

Page 51: ...1G0603390 3F RST CHIPR 390 KOHM 1 1 10W R807 061G0603470 2F RST CHIPR 47 KOHM 1 1 10W R820 061G0603470 2F RST CHIPR 47 KOHM 1 1 10W R854 061G0603680 2F RST CHIPR 68 KOHM 1 1 10W R853 061G0603680 2F RS...

Page 52: ...102 RST CHIPR 1 KOHM 5 1 4W R922 061G1206102 RST CHIPR 1 KOHM 5 1 4W R923 061G1206102 RST CHIPR 1 KOHM 5 1 4W R928 061G1206102 RST CHIPR 1 KOHM 5 1 4W R855 061G1206330 RST CHIPR 33 OHM 5 1 4W R857 061...

Page 53: ...IP 2 2UF 16V X7R 0805 C929 065G1206102 72 CHIP 1000PF 500V X7R C912 065G1206102 72 CHIP 1000PF 500V X7R D808 093G 64 38 D DIODE BAW56 DIODES D805 093G 64 38 D DIODE BAW56 DIODES D916 093G 64 44 S LL41...

Page 54: ...ALLET Q40G 22N61515A RATING LABEL Q40G0002615A02 POP LABEL FOR 2116Sw Q40G000267311A WINDOW VISTA LABEL Q41G7800615A98 QSG Q44GC015 1 EPS L Q44GC015 2 EPS L Q44GC015615 3A AOC 22 LCD CARTON Q45G 88607...

Page 55: ...BASE ASS Y A34G0289 GM 1B STAND A34G0290 GM 1B 33 BASE 7S7 750GLCB6WA113V PANEL CLAA220WA01 000 FZ CPT A34G0377 GMC1B 30 BEZEL L22W 7K2 S1 CBPC7CMAAA5A1 MAIN BOARD U402 056G1133713 WA7MCPCCAQ1 IC PM25...

Page 56: ...LCD STAND BASE ASS Y A34G0289 GM 1B STAND A34G0290 GM 1B 33 BASE 7S7 A34G0377 GMC1B 30 BEZEL L22W 7K2 S1 CBPC7CMAAA5A1 MAIN BOARD U402 056G1133713 WA7MCPCCAQ1 IC PM25LV010A 100SCE SOIC 8 Q07G 7 T150 P...

Page 57: ...ANEL CLAA220WA01 000 FZ CPT A33G0173 AS 1L 32 CABLE CLAMP CBPC7CMAAA5A1 MAIN BOARD U402 056G1133713 WA7MCPCCAQ1 IC PM25LV010A 100SCE SOIC 8 Q07G 7 T150 PALLET Q07G 7 T173 COMPOUND PALLET Q40G 22N61517...

Page 58: ...0173 AS 1L 32 CABLE CLAMP CBPC7CMAAA5A1 MAIN BOARD U402 056G1133713 WA7MCPCCAQ1 IC PM25LV010A 100SCE SOIC 8 Q07G 7 T150 PALLET Q07G 7 T173 COMPOUND PALLET Q40G 22N61517A RATING LABEL Q40G000260811A BA...

Reviews:

No comments