eMachines E161HQ Service Manual Download Page 20 | Manualshive

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20

Main Board Layout

Symbol Description Symbol Description

U401

IC NT68167FG QFP64

CN404

WAFER 2*6P 2.0MM R/A

X401

NXS12.000AC30F-BT-2 CN101

D-SUB

15PIN

U401

IC NT68167FG QFP64

CN401

WAFER

U404

IC AP1117D33L-13 TO252-3L DIODES

CN403

WAFER(E191W)

U102/U103

IC AZC099-04S SOT23-6L

CN405

WAFER

(E161HQ&E181H/E191HQ)

U402 IC

PM25LV010A-100SCE

SOIC-8

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Summary of Contents for E161HQ

Page 1: ...1 E machine E191W E191HQ E181H E161HQ Service Guide ...

Page 2: ...2 Service Guide Version and Revision Version Release Date Revision History Customer Model TPV model E191W T9RMNFH8X7GYAN E191HQ E181H T9RMNFH8X7GKAN A00 Jul 25 2008 Initial Release E161HQ T6RMNFH8X7GYAN ...

Page 3: ...ts dealer assumes the entire cost of all necessary servicing repair and any incidental or consequential damages resulting from any defect in the software Intel is a registered trademark of Intel Corporation Pentium and Pentium II III are trademarks of Intel Corporation Other brand and product names are trademarks and or registered trademarks of their respective holders Trademark acknowledgments Ga...

Page 4: ...eception However there is no guarantee that interference will not occur in a particular installation If this equipment does cause interference to radio and television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separati...

Page 5: ...liance safely Do not defeat the safety purpose of the grounded plug z Unplug the unit during a lightning storm or when it will not be used for long periods of time This will protect the monitor from damage due to power surges z Do not overload power strips and extension cords Overloading can result in fire or electric shock z Never push any object into the slot on the monitor cabinet It could shor...

Page 6: ... 17 Software Flow chart 18 Main Board Layout 20 Cable Connections 21 Adjusting the viewing angle 23 Chapter 2 Operating Instructions 24 External Controls 24 Adjusting the picture 25 Chapter 3 Machine Disassembly 29 Chapter 4 Troubleshooting 33 Chapter 5 Connector Information 43 Chapter 6 FRU Field Replacement Unit List 44 Exploded Diagram 45 Part List 47 Chapter 7 Schematic Diagram 49 Main Board 4...

Page 7: ...D monitor is designed with the latest LCD technology to provide a performance oriented product with no radiation This will alleviate the growing health concerns It is also a space saving design allowing more desktop space and comparing to the traditional CRT monitor it consumes less power and gets less weight in addition MTBF target is 50k hours or more Chart of E191W E181H E191HQ E161Q M190PW01 E...

Page 8: ...et to Factory preset value cut off raster User contrast control Set to factory preset value which allows that the brightest two of 32 linear distributed gray scales 0 700mv can be distinguished User red white balance Green white balance and Blue white balance control In the center unless otherwise specified Power input 230V 5 Ambient temperature 20 5 Analog input mode 1280x1024 60 Hz all white Mea...

Page 9: ...9 LCD Monitor General Specification ...

Page 10: ...applies to the 19 inch wide clor TFT LCD Module M19PW01 The display supports the WXGA 1440 H X 900 V screen format and 16 7 colors All input signals are 2 Channel LVDS interface comlatible This module does not contain an inverter card for backlight LCD Panel Model ...

Page 11: ... M185B1 L01 is a 18 5 TFT Liquid Crystal Display module with 4 CCFL Backlight unit and 30pin1ch LVDS interface This module supports 1366 x 768 WXGA mode and can display up to 16 7M colors The inverter module for Backlight is not built in LCD Panel Model ...

Page 12: ...6B1 L01 is a 15 6 TFT Liquid Crystal Display module with 2 CCFL Backlight unit and 30pin 1ch LVDS interface This module supports 1366 x 768 WXGA mode and can display up to 16 7M colors The inverter module for Backlight is not built in LCD Panel Model ...

Page 13: ...13 Optical Specifications ...

Page 14: ...14 Supported Timing ...

Page 15: ...15 ...

Page 16: ...anel control logic brightness control logic and DDC The Inverter board will drive the backlight of panel Video signal DDC Power Board Include Adapter and Inverter board Flat Panel and CCFL backlight Main Board Key board RS232 Connector For white balance adjustment in factory mode Host Computer CCFL Drive AC IN 100V 240V ...

Page 17: ...iagram LCD Interface CN403 E191W U401 Scalar NT68167FG QFP64 Include MCU ADC OSD etc U402 PM25LV010A OSD Control Interface Key board CN401 D SUB Connector CN101 Crystal 14 318MHZ X401 E161HQ CN405 E161HQ E181H E191HQ ...

Page 18: ...18 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: ... 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 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 disappears 17 Program the scalar ...

Page 20: ...8167FG QFP64 CN404 WAFER 2 6P 2 0MM R A X401 NXS12 000AC30F BT 2 CN101 D SUB 15PIN U401 IC NT68167FG QFP64 CN401 WAFER U404 IC AP1117D33L 13 TO252 3L DIODES CN403 WAFER E191W U102 U103 IC AZC099 04S SOT23 6L CN405 WAFER E161HQ E181H E191HQ U402 IC PM25LV010A 100SCE SOIC 8 ...

Page 21: ...21 Cable Connections ...

Page 22: ...22 ...

Page 23: ...n preference 2 Hold the stand so you do not topple the monitor when you change the monitor s angle 3 You are able to adjust the monitor s angle from 5 to 15 NOTES 1 Do not touch the LCD screen when you change the angle It may cause damage or break the LCD screen 2 Careful attention is required not to catch your fingers or hands when you change the angle ...

Page 24: ...front panel 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 Press the power button to turn on the monitor position The power indicator will light up External Controls Chapter 2 ...

Page 25: ...25 Adjusting the Picture ...

Page 26: ...26 ...

Page 27: ...Not Supported When the Hsync Frequency Vsync Frequency or Resolution is out of the monitor support range will show this message This message will be flying Cable Not Connected Analog Only Model When the video cable is not connected will show this message This message will be flying No Signal Analog Only Model When the video cable is connected but there is no active signal input will show this mess...

Page 28: ...e is no video input signals this monitor following a time out period will automatically switch to an OFF mode This reduces the monitor s internal power supply consumption After the video input signal is restored full power is restored and the display is automatically redrawn The appearance is similar to a Screen Saver feature except the display is completely off Pressing a key on the keyboard or c...

Page 29: ...contains step by step procedures on how to assemble the monitor for maintenance Disassembly Procedure 1 Remove hinge cover then remove two screws marked A C to remove base Fig 1 Fig 1 2 Remove the back cover Fig 2 3 Fig 2 Chapter 3 A C B ...

Page 30: ...30 Fig 3 1 Remove the front bezel disconnect the connector remarked in green Fig 4 5 Fig 4 Fig 5 2 Key board ...

Page 31: ...31 3 Remove the screws marked in red and disconnect lamp connections to remove shield Fig 6 9 Fig 6 Fig 7 Fig 8 Fig 9 A B D C F E ...

Page 32: ...32 4 Remove the screws marked in red and the wire connect with power board to remove the boards Fig 10 11 Fig 10 Fig 11 6 The monitor disassembly completely Fig 12 Fig 12 ...

Page 33: ...ower Chapter 4 No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100 240 is normal Measure U404 PIN2 3 3V Reinsert or check the power section X401 oscillate waveforms are normal Check CN401 U404 OK OK NG NG NG Replace U401 Replace X401 OK NG ...

Page 34: ...ormal Replace U401 Replace X401 Measure U404 PIN2 3 3V Check Correspondent component Replace U401 X401 oscillate waveform is normal Check CN401 U404 OK OK OK OK OK NG NG NG NG Check reset circuit of U401 is normal Check HS VS from CN101 is normal Replace X401 Check Correspondent component NG NG OK ...

Page 35: ...evel X401 oscillate waveform is normal Check CN403 CN405 E191HQ E181H E161HQ is broken or Q405 is solder Check Correspondent component Replace PANEL Check Correspondent component Replace U401 OK OK OK REPLACE X401 OK NG NG NG NG Check reset circuit of U401 is normal ...

Page 36: ...rd 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 Key Board Y N Y Check Main Board ...

Page 37: ...ne volt 120V or 220V Change F901 Check BD901 IC901 Check the voltage of C905 Check bridge retified circuit Check start voltage for the Pin3 of IC901 Change IC901 OK Check the auxiliary voltage is smaller than 20V OK NG No power NG NG OK Check T901 D906 D907 D908 Q903 ZD902 ZD903 IC903 IC904 Check IC901 NG OK NG ...

Page 38: ... Check adapter circuit Check Interface board OK OK NG NG Change ON OFF NG NG OK Check Q804 Q809 have the output of square wave at short time Check IC801 Check Q804 Q809 D815 D814 D817 D816 OK OK OK NG NG Change PT801 or PT802 Check connecter lamp Check IC801 PIN9 10 have the output of square wave at short time OK ...

Page 39: ... C905 Check start voltage for the pin3 of IC901 Check R904 R932 R933 Change IC901 NG Check the auxiliary voltage is bigger than 10V and smaller than 20V 1 Check IC901 2 Check R909 D901 circuit OK OK NG Check Q901 D903 IC903 ZD921 ZD922 OK Check IC901 pin8 PWM wave OK Check IC901 NG NG NG OK NG Change F901 Check BD901 IC901 ...

Page 40: ...G OK Check IC801 PIN12 15V NG OK Change on off circuit Check IC801 PIN5 have triangle wave NG OK Change IC801 Check IC801 PIN9 PIN10 PWM wave NG OK Check IC801 Check Q802 Q803 Drain wave NG Check the output of T801 T802 Check Q801 Q804 Q811 Q812 Check connecter lamp feedback and protect circuit OK NG Change T801 T802 OK ...

Page 41: ...07 Check start voltage for the pin3 of IC901 Check R904 R932 R933 Change IC901 NG Check the auxiliary voltage is bigger than 10V and smaller than 20V 1 Check IC901 2 Check R909 D901 circuit OK OK NG Check Q901 D903 IC902 D906 D907 ZD923 OK Check IC901 pin8 PWM wave OK Check IC901 NG NG NG OK NG Change F901 Check BD901 IC901 ...

Page 42: ...board NG OK Check IC801 PIN12 15V NG OK Change on off circuit Check IC801 PIN5 have triangle wave NG OK Change IC801 Check IC801 PIN9 PIN10 PWM wave NG OK Check IC801 Check Q802 Drain wave NG Check the output of T801 Check Q801 Q804 Q811 Q812 Check connecter lamp feedback and protect circuit OK NG Change T801 OK ...

Page 43: ...n the monitor 1 5 6 10 11 15 15 Pin Color Display Signal Cable D sub Pin No Description Pin No Description 1 Red 9 5V 2 Green 10 RS232 3 Blue 11 Monitor Ground 4 RS232 12 DDC Serial Data 5 DDC Return 13 H Sync 6 R Ground 14 V Sync 7 G Ground 15 DDC Serial Clock 8 B Ground Chapter 5 ...

Page 44: ...ons a part number change is made it will not be noted in the printed Se rvice Guide For EMACHINE AUTHORIZED SERVICE PROVIDERS your Emachine office may have a DIFFERENT part number code from those given in the FRU list of this printed Service Guide You MUST use the local FRU list provided by your regional Emachine office to order FRU parts for repair and service of customer machines NOTE To scrap o...

Page 45: ...45 Exploded Diagram ...

Page 46: ...piton 1 BEZEL L19WA 8GEM 1 11 SCREW 2 POWER LOGO 12 SCREW 3 POWER LENS 13 MAIN FRAME 4 FUNCTION BUTTON R 14 REAR COVER 5 FUNCTION BUTTON L 15 HINGE ASS Y 6 KEPC 16 SCREW 7 PANEL 17 SCREW 8 PWPC 18 STAND 9 CBPC 19 BASE 10 SPK 20 FOOT ...

Page 47: ...47 Part List Above picture show the description of the following component Item Picture Description 1 Hinge base 2 Back Cover 3 bezel ...

Page 48: ...48 4 Shield 5 Panel 6 Power Board 7 Main board ...

Page 49: ...S RTK PS Panel_ID 2 DSUB_5V VCC3 3 C428 0 1uF 16V R443 NC Mute ACER A e Machine B 5 5 Monday July 07 2008 715G3213 A 称爹 05 Power G3213 A X X 2 080707 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 CN404 CONN 1 2 3 4 5 6 7 8 9 R425 NC U404 AP1117D33LA 1 2 3 ADJ GND VOUT VIN R437 10K 1 16W 5 C426 100UF25V C_PANEL_INDEX 5V R442 100R...

Page 50: ... 9 5 11 12 13 14 15 10 17 16 VGA_B VGA_PLUG VGA_B R101 0R05 1 16W C109 0 047uF U102 AZC099 04S 1 2 3 4 5 6 I O1 GND I O2 I O3 VDD I O4 DSUB_5V V_Sy nc DSUB_SDA VGA_G R112 75R 1 16W 5 ACER A e Machine B 2 5 Monday July 07 2008 715G3213 A 称爹 02 Input G3213 A X X 2 080707 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 DDC_SCL 2 R116...

Page 51: ...BIN 1 FB404 300OHM R416 100R 1 16W 5 LED_GRN BLUE C417 0 1uF 16V T0P 3 Volume 4 CN401 CONN 1 2 3 4 5 6 T6M 3 Near to Connect U407 NC M24C16 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCL WP VCC TCLK1P 3 WP T7M 3 MSCL LED_ORANGE MSDA C408 0 22uF16V ADC_2 3 T1M 3 C416 0 1uF 16V CN402 NC CONN 1 2 3 4 5 6 7 8 U402 PM25LV010A 1 2 3 4 5 6 7 8 CE SO WP GND SI SCK HOLD VCC GIN 1 SPI_SI C406 0 1uF 16V ADC_2 3 CVDD_2...

Page 52: ...420 0 1uF 16V T3M 2 T4M 2 T2P 2 T0P 2 G ACER A e Machine A 4 5 Monday July 07 2008 715G3213 A 称爹 04 Output G3213 A X X 2 080707 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 T0M 2 CN403 CONN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Q404 2N3904S RTK PS 5V T3M 2 T6P 2 3 T1P 2 R433 10K 1 16W ...

Page 53: ...L906 JUMP L904 FB903 BEAD 1 2 R924 150R 1 8W D909 NC 31DQ10FC L901 1 4 2 3 C907 0 1uF C905 100uF 450V C909 470pF 25V BD901A 2A 800V 2 1 3 4 NR901 NTCR F903 FUSE C903 0 47uF 275V R950 100 OHM 1 4W C939 1000uF25V CN902 CONN 1 2 3 4 5 6 7 8 9 10 11 12 13 C935 0 001uF R940 NC R901 1M 1 4W HS2 EMI shield NC H85G0002 1 1 2 C910 0 047uF D903 LL4148 IC904 KIA431A AT P JUMP C916 1000uF 16V D908 FCQ10U06 1 ...

Page 54: ...1 5K 1 8W R846 68R 1 10W 5 L801 NC L 1 2 4 3 OLP1 C818 0 0022uF R810 15R 1 4W 5 DIM D808 BAW56 3 1 2 C B E U801 TL494IDR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1IN 1IN FEEDBACK DTC CT RT GND C1 E1 E2 C2 VCC OUTPUT CTRL REF 2IN 2IN R814 75K 1 10W 1 Q809 AM9945N T1 PF 1 2 3 4 8 7 6 5 S G S G D D D D C824 0 1uF 25V D812 LL4148 C805 470uF 25V C801 18pF 3KV ON OFF R829 68K OHM 1 1 10W OLP2 R813 100R 1 ...

Page 55: ...T 5V1 C601 0 47uF 16V MUTE LOUT Lin R608 0R05 1 8W C610 100pF 5V1 R602 10K 1 10W 5 C612 0 1uF 16V R603 10K 1 10W 5 IC601 APA2069JITUL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SHUTDOWN BYPASS RIN GND GND LIN VOLUME SE BTL LOUT VDD LOUT GND GND ROUT VDD ROUT R611 4 7KOHM 5 1 10W C608 1uF 25V C604 100uF 25V R604 10K 1 10W 5 VOL C609 1uF 25V R607 5 6KOHM 5 1 10W C614 22uF 10V 5V1 C613 0 1uF 16V R609 10K...

Page 56: ...250V C909 470pF 25V R912 220Ω 1 4W BD901 2KBP08M 2 1 3 4 MUTE R942 1K 1 10W 1 L902 7 0mH 1 4 2 3 ON OFF D915 LL4148WP C929 0 001uF 12V HS3 HEAT SINK Q901 1 2 R902 680K 1 4W C924 0 1uF VAR901 NC R906 NC D916 LL4148WP L903 1 1uH R935 100 1 4W 12V C916 0 1uF C932 0 001uF HS1 HEAT 1 2 R939 NC 5V C903 0 47uF 275V R938 10K 1 8W ZD922 RLZ5 1B 1 2 R901 680K 1 4W Q903 PMBS3904 R945 1K 1 4W t NR901 NTCR C90...

Page 57: ...F D812 LL4148WP R833 10K 1 10W R824 1K 1 10W 1 Q810 RK7002 R862 1M 1 10W 5 R856 33 1 4W R829 22R 1 8W D806 LL4148WP 00 Engineer Marks Contents ON OFF R832 10K 1 10W Q805 PDTC144WK Q806 PMBS3904 DIM R820 10K 1 10W 5 C815 0 0022uF ㄏノ KA7500 癸郸 R809 1K 1 10W 1 J810 BEAD 1 2 R808 10 KOHM 1 1 8W R804 100 1 8W R825 22R 1 8W R857 33 1 4W D807 LL4148WP R860 2 4KΩ 1 10W D805 LL4148WP IC801 TL494IDR 1 2 3 4...

Page 58: ...1 4W VOL C104 100uF 25V LOUT R103 10K 1 10W C106 0 47uF 16V U101 TPA6021A4NE4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 PGND ROUT PVDD RIN RIN VDD LIN LIN PVDD LOUT PGND LOUT NC SHUTDOWN FADE BYPASS AGND VOLUME SE BTL ROUT C103 0 47uF 16V R107 6 2K 1 10W 5V C108 1uF 50V FB102 BEAD 1 2 C111 100pF C102 0 47uF 16V TPV Top victory Electronics Co ltd 5V LOUT R105 10K 1 10W G Custom 1 1 Wednesd...

Page 59: ... C904 0 22uF 275V C924 0 1uF R935 100 OHM 1 4W L904 1 0uH L903 1 0uH R942 1K 1 10W 1 C906 1500pF2KV C902 1000pF R925 1K 1 8W R933 300K OHM 1 4W D907 31DQ06FC3 ZD921 RLZ13B 1 2 ZD922 RLZ5 1B 1 2 R962 100 OHM 1 4W R952 1K 1 8W C930 0 1uF F903 NC R939 1K 1 8W C921 470uF 16V IC901 LD7552BPS 1 2 3 4 5 6 7 8 GND COMP VCC RT NC CS VCC OUT R901 680K OHM 1 4W Q 17W R923 100 OHM 1 4W 5V1 L901 30mH 1 4 2 3 Q...

Page 60: ... 瓜絪腹 R824 1K 1 10W 1 12V R839 22R 1 8W R821 1K 1 8W D801 BAV99 3 1 2 R805 NC R850 22R 1 8W R807 10K 1 10W 1 R817 10K 1 10W 1 C834 0 1uF 25V C807 0 1uF 25V Q802 AM9945N T1 PF 1 2 3 4 8 7 6 5 S G S G D D D D R804 100R 1 8W F801 0 OHM 1 4W R831 1K 1 8W DIM R818 1K 1 10W 1 C817 NC D812 LL4148 R856 15R 1 4W Q808 PDTA144WK R853 68K 1 10W R808 10K 1 10W 1 D805 LL4148 Q805 PDTC144WK C803 30pF 3KV R832 1...

Page 61: ... GND GND ROUT VDD ROUT VOL CN602 CONN 1 2 3 4 FB602 BEAD 1 2 Rin R604 10K 1 10W 5 R608 1R 1 8W R605 10K 1 10W 5 R606 5K6 1 10W Lin ROUT C603 0 47uF 16V C611 100pF C610 100pF C604 100uF 25V 5V1 C606 0 47uF 16V CN601 PHONEJACK 1 2 3 5 4 Q 17W PWPC721HH1 G A 4 4 Monday April 28 2008 715G2852 G ODM MODEL 4 AUDIO G2852 G X X 1 080428 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Vict...

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