Acer 41AS551V AC511 Service Manual Download Page 15 | Manualshive

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14

6-2 ABNORMAL DISPLAY

1.NO SIGNAL ON SCREEN

CHECK FBT RELATIVE CIRCUIT

LESS THAN 400V

OK

NG

NG

OK

OK

NG

OK

NG

CHECK THE OUTPUT VOLTAGE

CHECK THE B+ VOLTAGE OF

CHECK THE VOLTAGE OF CRT
CATHODE ABOUT 40Vpp

CHECK THE VOLTAGE OF FBT SCREEN

CHECK THE RELATIVE CIRCUIT

CHECK THE 12V PIN

OF SMPS ON MAIN PCB

RELATIVE CIRCUIT

OF P802 CONNECTOR

ABOUT 400V TO 700V

EXCEED 700V

CHECK FBT & CRT RELATIVE CIRCUIT

VIDEO PCB ABOUT 80V

CHECK THE 80V RELATIVE CIRCUIT

CHECK VIDEO IC801 VCC ABOUT 8V

OF IC801 PIN 13, 15, 18 ABOUT 3Vpp

CHECK THE IC802

OF IC801 PIN 2/PIN 16 Vcc CIRCUIT

OR REFER ITEM 6-1

All manuals and user guides at all-guides.com

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Summary of Contents for 41AS551V AC511

Page 1: ...SERVICE GUIDE COLOR MONITOR ACER AC511 SERIES 41AS551 ACER E All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 2: ...LE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS LIABILITY FOR CHANGES ERRORS OR OMISSIONS MANUFACTURE DATA Feb 20 03 All manuals and user guides at all guides com ...

Page 3: ...TING CHART 13 6 1 NO RASTER CRT RELATIVE CIRCUIT PROBLEMS 13 6 2 ABNORMAL DISPLAY 15 6 3 NO BLANKING 16 6 4 HOR OSC DEF HV CIRCUIT FAULT 16 6 5 ABNORMAL HORIZONTAL DEFLECTION 17 6 6 ABNORMAL VERTICAL SCANNING 18 6 7 SIDE PIN CUSHION DISTORTION 18 6 8 POOR FOCUS 19 6 9 NO SOUND FOR AUDIO MODEL ONLY 19 6 10 POWER SUPPLY TROUBLE SHOOTING CHART 20 7 MECHANICAL OF CABINET FRONT DIS ASSEMBLY 21 8 PARTS ...

Page 4: ...itive Negative Negative Negative Positive Horizontal 720 H 640 H 640 H 800 H 1024 H Vertical 400 V 480 V 480 V 600 V 768 V Fh KHz 31 5 31 5 43 3 53 7 48 4 Fv Hz 70 60 85 85 60 6 Display Size Horizontal 260 mm Vertical 195 mm 7 Scanning Frequencies Horizontal 30KHz 54KHz Vertical 50 Hz 120 Hz 8 Factory Preset Timings 7 User Timings 8 9 Misconvergence Center 0 3 mm Max Corner 0 4 mm Max 10 Video Ban...

Page 5: ...must be corrected immediately 2 2 PRODUCT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety visual inspections and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage wattage etc Before replacing any of these components read the parts list in this manual carefully The use of substitute replacem...

Page 6: ...ent AC outlet Three wire power cord must be shielded and is provided as a safety precaution as it connects the chassis and cabinet to the electrical conduit ground If the AC outlet in your location does not have provisions for the grounded type plug the installer should attach the proper adapter to ensure a safe ground potential 2 Connect the 15 pin color display shielded signal cable to your sign...

Page 7: ...USTMENT METHOD 1 15 0V B HV voltage adjustment A Chroma 2000 Signal generator or PC equivalent set mode2 VGA 640X480 pattern 1 0 B Connect a DC Volt meter between TP901 and ground then adjust VR901 to be 15 0VDC C Connect a DC Volt meter between TP902 and ground then adjust VR902 to be 87 VDC 2 Factory preset Timings Adjustment A Press Encoder control Key to show OSD window then press again to swi...

Page 8: ... Set mode 2 640 480 Fh 31KHz full white pattern b To make the adjustment condition is under the Factory preset window Same as step 2 C c Warm up more than 20 minutes d Brightness set to maximum Contrast set to min full white pattern then adjust FBT screen VR to make Y 5 0 0 5cd m e Brightness set to raster just cutoff adjust contrast to be 4FL then adjust G Bias B Bias R Bias to make the setting v...

Page 9: ...direction but at the same time to obtain the same angle between the two tabs which should be approximately 180 D Check the complete blue and complete green patterns to observe their respective color purity Make minor adjustments if needed RELATIVE PLACEMENT OF TYPICAL COMPONENTS Purity Magnets Deflection Yoke 4 pole Convergence Magnets 6 pole Convergence Magnets 6 Convergence adjustment A Produce ...

Page 10: ...g use On Screen Display Controller The IC105 is designed for display the built in characters or fonts onto monitor screen The display operation is by transforming data and control information from micro controller to RAM through a serial data interface Pin2 is used to control the internal oscillator frequency by DC voltage input from external low pass filter R126 C155 is used to regulate the appro...

Page 11: ...ge The PLL loop filter C401 R401 C402 is connected to Pin26 PLL2 Phase Detector This phase detector is similar to the PLL1 detector and compares the line flyback pulse at pin 1 with the oscillator saw tooth voltage The PLL2 detector thus compensates for the delay in the external H deflection circuit by adjusting the phase of the HDRV output pulses The phase between H flyback and H sync can be cont...

Page 12: ...ltage Q909 Q910 Use for Standy By or Suspend Mode to Cut off 14 5V Supply Voltage Q912 Q920 Push Pull Topology to Drive Q911 Q913 Degaussing Switcher Transistor Q921 5V Regulator Transistor Q401 Turn on at Power ON OFF and Change Mode to Protect Hor Block Q402 HOR Driver Transistor Q407 Q408 As a Switcher for Horizontal s Correction CKT Q409 H Linear control transistor Q411 Q410 Horizontal s corre...

Page 13: ... OF THE CRT CHECK BRIGHTNESS CIRCUIT OK CHECK POWER SAVING CIRCUIT ABNORMAL DISPLAY H SYNC V SYNC SIGNAL CATHODE ABOUT 60V TO 70V CHECK SCREEN VOLTAGE ABOUT LESS THAN 300V CHECK FBT CHECK MAIN PCB POWER SUPPLY CHECK FAILSAFE CKT IC401 70V 15V 80V Q909 Q910 CHECK CRT S HEATER RELATIVE CIRCUIT Q907 Q908 Q703 Q704 Q705 RELATIVE CKT PIN 25 RELATIVE CKT 400V TO 600V REFER ITEM 6 2 OF CRT ABOUT 23 5 25 ...

Page 14: ... INTERFACE CARD CONTRAST SET MAX PIN 2 16 ABOUT 8V CHECK 8V RELATIVE CIRCUIT CHECK THE IC801 PIN 11 RELATIVE CIRCUIT RELATIVE CIRCUIT CHECK IC801 PIN 11 CLAMP PULSE PIN 13 15 18 ABOUT 4Vpp CHECK IC801 PIN 3 PIN 5 PIN 8 PIN 10 3 ABNORMAL DDC PLUG PLAY OK NG CHECK IC101 PIN 5 VOLTAGE ABOUT 5V CHECK SIGNAL CABLE CHECK Q921 GOOD OR FAIL OR H802 PIN 2 3 DATA OUTPUT All manuals and user guides at all gu...

Page 15: ...E VOLTAGE OF FBT SCREEN CHECK THE RELATIVE CIRCUIT CHECK THE 12V PIN OF SMPS ON MAIN PCB RELATIVE CIRCUIT OF P802 CONNECTOR ABOUT 400V TO 700V EXCEED 700V CHECK FBT CRT RELATIVE CIRCUIT VIDEO PCB ABOUT 80V CHECK THE 80V RELATIVE CIRCUIT CHECK VIDEO IC801 VCC ABOUT 8V OF IC801 PIN 13 15 18 ABOUT 3Vpp CHECK THE IC802 OF IC801 PIN 2 PIN 16 Vcc CIRCUIT OR REFER ITEM 6 1 All manuals and user guides at ...

Page 16: ...AL CABLE NG OK OK OK NG NG NG CHECK THE COLLECTOR VOLTAGE CHECK THE COLLECTOR VOLTAGE RELATIVE CIRCUIT RELATIVE CIRCUIT CHECK Q402 T401 CHECK T401 T402 Q402 Q403 ABOUT 3Vpp OF Q403 ABOUT 1200Vpp AT FH 31KHz D408 C418 C419 H DY B CHECK IC401 PIN 26 WAVE FORM CHECK IC401 PIN 4 7 PIN 13 CHECK IC401 PIN 29 ABOUT 12 VDC CHECK IC401 PIN 29 RELATIVE CIRCUIT OF Q402 ABOUT 20Vpp All manuals and user guides...

Page 17: ...E CIRCUIT OF SMPS READJUST H WIDTH FUNCTION OF Q404 Q405 Q406 CHECK THE HV OF CHECK FBT B VOLTAGE ABOUT 70V AT FH 31KHz CRT ABOUT 24 5KV 2 ABNORMAL HORIZONTAL VIDEO CENTER RELATIVE CIRCUIT CHECK IC401 PIN 4 7 3 ABNORMAL HORIZONTAL LINEARITY AND IC101 PIN 28 29 CHECK L401 Q410 Q426 All manuals and user guides at all guides com ...

Page 18: ... V SIZE FUNCTION VALUE CHECK THE VOLTAGE OF IC101 RELATIVE CIRCUIT CHECK IC401 PIN 20 21 22 23 CHECK THE IC601 PIN 2 ABOUT 11 8V PIN 4 ABOUT 12V CHECK D601 C605 2 VERTICAL CENTER NG READJUST V CENTER RELATIVE CKT CHECK IC401 AND IC601 6 7 SIDE PIN CUSHION DISTORTION NG READJUST SIDEPIN CHECK IC401 Q404 Q405 Q406 RELATIVE CKT All manuals and user guides at all guides com ...

Page 19: ...RT 6 9 NO SOUND OPTIONAL WITH AUDIO ONLY OK OK OK OK NG ENSURE THE SOUND SOURCE IS POWER ON ENSURE THE SOURCE CABLE CONNECTION CHECK POWER CHECK IC501 IC501 FAILURE SPEAKER FAILURE OK SUPPLY CIRCUIT ADJUST VOLUME CONTROL NG CHECK IC501 PIN 14 ABOUT 14V All manuals and user guides at all guides com ...

Page 20: ...G NG OK OK OK NG OK NG YES NO CHECK BRIDGE RECTIFIED CIRCUIT CHECK START C K T CHECK IC401 CHECK D919 CHECK Q911 Q911 FAILURE CHECK Q901 CHECK IC901 CHECK AC LINE VOLT 120V OR 220V CHECK F901 SW901 CHECK LINE RECTIFIED SMOOTHED VOLT CHECK Q901 IC901 FAILURE CHECK T901 O P MAKE SURE THAT THE VARIABLE OK OUTPUT IS NOT SHORTED R928 R932 D911 D917 CHECK THE 60V PIN 14 15 16 28 B DRIVER 6 3V 12V CIRCUI...

Page 21: ...20 7 MECHANICAL OF CABINET FRONT DIS ASSEMBLY All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 22: ...BEL 40A 581 26704 Paper FOR CARTON PALLET 40A 58162433A TCO03 LABEL 40A2058786 2A ID LABEL 41A 68508 A CARD 41A 68786 2A WARRANTY BOCKLET 41A 68786 3A TCO03 CARD 41A 604786 2A MANUAL 44A6547786 1A CARTON 44A6567 1 EPS FOAM 44A6567 2 EPS FOAM 44A9003 3 Protect Corner Board 45A 76 28 RN PE BAG FOR MANUAL 45A 76 31 RN BASE PE BAG 45A 77500 BARCODE RIBBON 45A 77501 BARCODE RIBBON 45A 88 1 RN PE BAG 85...

Page 23: ...PP C425 63A210J2743CC 27UF 5 400V FOR CAMEL C427 63A210J5642CM 0 56UF 250V C432 67A 21547011J 47UF 20 200V JAMICON C446 67A 305102 3 1000 UF 20 16V C620 67A 309471 7 470UF 20 50V C621 67A 309102 3 1000UF 20 16V C713 67A 309220 10 22UF 20 160V C714 67A 305331 7 330UF 20 50V C900 65A305M4722B2 4700PF 20 400VAC ACF C901 63A107K334 US X2 MKP 0 33UF 275VAC 1 C902 63A107K224 U MPX 0 22UF 275VAC 10 C907 ...

Page 24: ...0128 SCREW 3x10 NR901 61A 58 8 NTCR15OHM 20 2 5A UP P402 33A3192 4 4P PLUG P404 33A3278 2 2P PLUG B2B XHA JST PR901 61A 52 27 4G PTCR 9OHM 20 220V GAO Q411 57A 600 27 IRF634B Q909 57A 728 3 HSB772P HSB772E HI SINC R492 61A212Y10452T MGFR 100KOHM 5 1 2W R627 61A 208109 64 MOFR 1 OHM 5 1W R636 61A153M100 59 MOFR 10 OHM 5 3W R705 61A 208471 64 MOFR 470 OHM 5 1W R723 61A152M101 64 MOFR 100OHM 5 2W R73...

Page 25: ...T 150PF 5 NPO 50V C162 65A 44410213T 1000PF 10 Y5P 50V C163 65A 44215113T 150PF 5 NPO 50V C164 65A 450104 7T 0 1UF 80 20 50V Y5V C165 67A 309479 7T 4 7UF 20 50V C166 95A 90 23 TIN COATED C167 64A701J2240AT 0 22uF 50V 5 C168 64A700J1040AT 0 1uF 50V 5 C169 67A 309101 3T 100UF 20 16V C171 67A 305100 7T 10UF 20 50V C172 65A 44410213T 1000PF 10 Y5P 50V C191 67A 305479 7T 4 7UF 20 50V C401 64A700J4730AT...

Page 26: ...V 5 C608 64A700J1040AT 0 1uF 50V 5 C613 64A700J1040AT 0 1uF 50V 5 C616 64A176J154 1T 0 15UF 5 100V C622 65A 450104 7T 0 1UF 80 20 50V Y5V C625 64A176J224 1T 0 22UF 5 100V C626 64A 44J1031AT 01UF 5 100V C630 65A 442101 1T 100PF J NPO 50V C631 65A 442101 1T 100PF J NPO 50V C660 67A 305471 3T 470UF 20 16V C661 65A 450104 7T 0 1UF 80 20 50V Y5V C701 64A700J1040AT 0 1uF 50V 5 C705 67A 309100 7T 10UF 20...

Page 27: ...IODE 1N4148 D411 93A 6450152T SWITCHING DIODE BAV21 D415 93A 6026W52T FR107 D416 93A 6026W52T FR107 D420 93A 64 1152T DIODE 1N4148 D423 93A 6021P52T PS156R D426 93A 5247T52T 1N4004 D427 93A 5247T52T 1N4004 D441 93A1002 1P52T 1N5817 D450 93A 64 1152T DIODE 1N4148 D460 93A 64 1152T DIODE 1N4148 D601 93A 5247T52T 1N4004 D603 93A 64 1152T DIODE 1N4148 D620 93A 64 1152T DIODE 1N4148 D702 95A 90 23 TIN ...

Page 28: ... COATED J005 95A 90 23 TIN COATED J006 95A 90 23 TIN COATED J007 95A 90 23 TIN COATED J008 95A 90 23 TIN COATED J009 95A 90 23 TIN COATED J010 95A 90 23 TIN COATED J011 95A 90 23 TIN COATED J012 95A 90 23 TIN COATED J013 95A 90 23 TIN COATED J014 95A 90 23 TIN COATED J015 95A 90 23 TIN COATED J016 95A 90 23 TIN COATED J017 95A 90 23 TIN COATED J019 95A 90 23 TIN COATED J020 95A 90 23 TIN COATED J0...

Page 29: ... COATED J076 95A 90 23 TIN COATED J077 95A 90 23 TIN COATED J078 95A 90 23 TIN COATED J079 95A 90 23 TIN COATED J080 95A 90 23 TIN COATED J082 95A 90 23 TIN COATED J083 95A 90 23 TIN COATED J085 95A 90 23 TIN COATED J086 95A 90 23 TIN COATED J087 95A 90 23 TIN COATED J088 95A 90 23 TIN COATED J089 95A 90 23 TIN COATED J090 95A 90 23 TIN COATED J091 95A 90 23 TIN COATED J092 95A 90 23 TIN COATED J0...

Page 30: ... 95A 90 23 TIN COATED J159 95A 90 23 TIN COATED J160 95A 90 23 TIN COATED J166 95A 90 23 TIN COATED J167 95A 90 23 TIN COATED J169 95A 90 23 TIN COATED J170 95A 90 23 TIN COATED J174 95A 90 23 TIN COATED J182 95A 90 23 TIN COATED J183 95A 90 23 TIN COATED J191 95A 90 23 TIN COATED J68 95A 90 23 TIN COATED FOR T403 PIN6 PIN J991 95A 90 23 TIN COATED JWT1 95A 90 23 TIN COATED Matching Weltrend CPU J...

Page 31: ... 1 6W R117 61A 60210152T CFR 100 OHM 5 1 6W R118 61A 60210352T CFR 10K OHM 5 1 6W R119 61A 60210352T CFR 10K OHM 5 1 6W R120 61A 60222252T CFR 2 2K OHM 5 1 6W R122 61A 17215152T CFR 150 OHM 5 1 4W R123 61A 60222252T CFR 2 2K OHM 5 1 6W R124 61A 60215252T CFR 1 5K OHM 5 1 6W R125 61A 60222252T CFR 2 2K OHM 5 1 6W R126 61A 17220252T CFR 2KOHM 5 1 4W R127 61A 60210252T CFR 1K OHM 5 1 6W R128 61A 6021...

Page 32: ...OHM 5 1 6W R191 61A 60213352T CFR 13K OHM 5 1 6W R401 61A 60218252T CFR 1 8K OHM 5 1 6W R402 61A 21047252T MFR 4 7K OHM 1 1 6W R403 61A 17212452T CFR 120K OHM 5 1 4W R404 61A 60224352T CFR 24K OHM 5 1 6W R405 61A 60210152T CFR 100 OHM 5 1 6W R406 61A 60210152T CFR 100 OHM 5 1 6W R407 95A 90 23 TIN COATED R408 95A 90 23 TIN COATED R409 61A 17210052T CFR 10OHM 5 1 4W R410 61A 60210152T CFR 100 OHM 5...

Page 33: ...7212452T CFR 120K OHM 5 1 4W R602 61A 60282352T CFR 82K OHM 5 1 6W R603 61A175L12452T CFR 120K OHM 5 1 2W R604 61A 17236252T CFR 3 6K OHM 5 1 4W R610 61A 60210152T CFR 100 OHM 5 1 6W R611 61A 60256352T CFR 56K OHM 5 1 6W R616 61A 60210152T CFR 100 OHM 5 1 6W R620 61A 21024352T MFR 24K OHM 1 1 6W R621 61A 21039252T MFR 3 9K OHM 1 1 6W R628 61A175L33152T CFR 330 OHM 5 1 2W R629 61A175L15952T CFR 1 5...

Page 34: ...2T CFR 20KOHM 5 1 4W R940 61A 21039352T MFR 39K OHM 1 1 6W R941 61A 17215252T CFR 1 5K OHM 5 1 4W R942 61A 17215152T CFR 150 OHM 5 1 4W R956 61A 17212252T CFR 1 2K OHM 5 1 4W R957 61A 17247352T CFR 47K OHM 5 1 4W R958 61A175L10252T CFR 1K OHM 5 1 2W R959 61A 17233352T CFR 33KOHM 5 1 4W R960 61A 17247352T CFR 47K OHM 5 1 4W R961 95A 90 23 TIN COATED R962 61A 17222052T CFR 22OHM 5 1 4W R963 61A175L2...

Page 35: ...EAMRK ARS551VAY CRT BOARD FOR S551V ACE 40A 581 26605 LABEL 87A3503501 SOCKET 705A561TR56 01 IC802 ASS Y C829 67A 305470 10 47UF 20 160V C835 65A 2M103 3B6921 0 01UF 2KV 20 Z5U C870 67A 305330 10 33UF 20 160V IC801 56A 539 5 LM1269NA BY NS IC803 56A 539 6 LM2480NA BY NS P801 33A327811A 11P PLUG P802 33A327811D WAFER PLUG P803 33A3278 6D WAFER P804 33A3278 5 5 PIN R822 61A152M229 64 MOFR 2 2 OHM 5 ...

Page 36: ...65A 4501047TV 0 1UF 80 20 50V Y5V C853 67A 70478 9T 0 47UF 20 100V C854 67A 70478 9T 0 47UF 20 100V C855 67A 70478 9T 0 47UF 20 100V C856 64A176J104 1T 0 1UF 5 100V C857 64A176J104 1T 0 1UF 5 100V C858 64A176J104 1T 0 1UF 5 100V C860 65A517K102 5T6213 1000PF 500V 10 Y5P C862 65A517K221 2T6213 220pF 500V 10 Z5P C867 65A 1K102 5T6052 1NF 1KV Y5P 10 C873 65A 1K221 5T6052 220PF 1KV Y5P 10 C887 65A 442...

Page 37: ... L851 73A 5447810T 0 47UH 10 peaking co L852 73A 5468810T 0 68UH 10 R801 61A 60275052T CFR 75 OHM 5 1 6W R802 61A 60275052T CFR 75 OHM 5 1 6W R803 61A 60275052T CFR 75 OHM 5 1 6W R804 61A 60233052T CFR 33 OHM 5 1 6W R805 61A 60233052T CFR 33 OHM 5 1 6W R806 61A 60233052T CFR 33 OHM 5 1 6W R807 61A 60210152T CFR 100 OHM 5 1 6W R808 61A 60210152T CFR 100 OHM 5 1 6W R809 61A 60210152T CFR 100 OHM 5 1...

Page 38: ...2T CFR 56 OHM 5 1 2W R874 61A175L56052T CFR 56 OHM 5 1 2W R880 61A175L10452T CFR 100K OHM 5 1 2W ZD801 93A 3951652T TELEFUNKEN TZX5V1B ZD810 93A 3951652T TELEFUNKEN TZX5V1B PART LIST OF IC802 ASS Y LOCATION PARTS No SPECIFICATION REMARK 90A 315500 HEAT SINK M1A1730 6128 SCREW M3x6 IC802 56A 551 7 LM2468TA BY NS PARTS LIST OF AC Iron Slice ASS Y LOCATION PARTS No SPECIFICATION REMARK 15A5643501 REA...

Page 39: ...TION PARTS No SPECIFICATION REMARK 5A 42501 UNDERLAY SLLICE 32A3028503 MICA 90A 360 1 HEAT SINK M1A1730 8128 SCREW M3x8 Q410 57A 600 4 IRF630 SGS THOMSON ST PARTS LIST OF Q901 ASS Y LOCATION PARTS No SPECIFICATION REMARK 90A 339504 PA HEAT SINK M1A1730 10128 SCREW M3x10 Q901 57A 724 6 STP7NC70ZFP PART LIST OF 403 D408 Q406 ASS Y LOCATION PARTS No SPECIFICATION REMARK 5A 42501 UNDERLAY SLLICE 32A30...

Page 40: ... Q403 D408 93A 220 12 FMP 2FUR 1500 600V 5A S HV1 95A205T 30052 M95 Q403 57A 689 7 TT2076GMH Q406 57A 415 1 TR NPN TIP122 FAIRCHILD R426 61A153M270 59 MOFR 27 OHM 5 3W R428 61A153M828 59 MOFR 0 82 OHM 5 3W PARTS LIST OF D919 ASS Y LOCATION PARTS No SPECIFICATION REMARK 90A 310501 A HEAT SINK D919 93A 6073A F R D 3A 400V 31DF4 I R PARTS LIST OF AC SOCKET LOCATION PARTS No SPECIFICATION REMARK 87A 5...

Page 41: ... 95A201F 50102 M95 R456 61A153M151 59 MOFR 150 OHM 5 3W R461 95A 90 23 TIN COATED R465 61A 17256252T CFR 5 6K OHM 5 1 4W R470 61A 21016352T MFR 16K OHM 1 1 6W R490 61A 21065352T MFR 65KOHM 1 1 6W R496 61A 60224252T CFR 2 4K OHM 5 1 6W R741 61A214Y10552T MGFR 1M OHM 5 1 4W TP404 95A201M 50152 15 NEGATIVE PULSE All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 42: ...D CONTROL IC801 Q403 T402 FBT Q402 T401 Q601 Q707 IC601 EHT VERT HOR OSC HOR O P G1 G2 FOCUS PRE AMP HOR DRIVER X RAY PROTECTION PINCUSHION VERT O P CONTROL 25KV FUNCTION KEY H V BLANKING CIRCUIT H SIZE CONTROL SAVING POWER HV CPU IC101 UP DOWN CRT B G R B G R CABLE SIGNAL All manuals and user guides at all guides com ...

Page 43: ...929 90V 264V Q911 OUTPUT OUTPUTS B VARIABLE MOSFET POWER VARI SMOOTHED SMOOTHED RECTIFIED RECTIFIED OUTPUTS 4 CONTROL H O T FROM C K T H SYNC H SYNC Is O P F B VCC MOSFET POWER Q901 8 3 6 2 7 IC901 PWM O P CONTROL C K T START AC INPUT FILTER LINE SWITCH ON OFF POWER C K T DEGAUSSING VIN SMOOTHED SMOOTHED RECTIFIED RECTIFIED TRANSFORMER TRANSFORMER POWER All manuals and user guides at all guides co...

Page 44: ...DAC13 P04 DAC12 P03 DAC11 P02 DAC10 P01 DAC9 P00 DAC8 P31 SCL P30 SDA P20 P21 P22 P23 P24 P25 P26 P27 P16 INTE P10 AD0 P11 AD1 P12 HALFH0 P13 HALFH1 CE P14 P15 OSC1 OSC0 VDD DAC0 DAC1 DAC2 30 15 14 13 12 11 31 32 33 34 35 36 10 9 8 7 6 5 37 38 39 4 3 2 1 40 GND RESET_ IC101 25 24 23 22 21 20 19 18 17 16 26 27 28 29 All manuals and user guides at all guides com ...

Page 45: ... TRACKING GEOMETRY 2 2 X X X X X X 7bits Spin Bal 7 bits VPOS 20 22 7 bits 7 bits RAMP GENERATOR DSCILLATOR VERTICAL CORRECTION S AND C 21 13 Vref Vref 32 27 30 31 2 I C INTERFACE RESET GENERATOR HFLY VSYNC 3 7BITS ON OFF GENERATOR HORIZONTAL MOIRE 2 1 16 15 28 14 7bits Reference lntemal CONTROLLER B 17 19 11 25 29 PROCESSOR SAFETY 26 7 8 6 5 12 4 BUFFER HOUT 7 bits H DUTY SHIFTER PHASE COMPARATOR...

Page 46: ...R 4 8 VSS VCC SCL SDA 6 5 WP 7 R W CONTROL SENSE AMP YDEC XDEC PAGE LATCHES 128X8 EEPROM ARRAY MEMORY LOGIC LOGIC CONTROL CONTROL I O IC102 24C04 LM2468 4 3 2 5 6 7 8 9 IC802 Vout 1 Vout 2 Vout 3 VCC GND Vin 3 Vin 2 VBB Vin 1 1 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 47: ...D DAC 4 DAC 3 DAC 2 DAC 1 GND Digital B OUT G OUT R OUT Vref OUT ABL Clamp H Flyback IC801 LM1269 To Other Video Channels 2 I C Interface Blocks with To internal Registers Vref Vref Offset DC DACs 13 14 15 16 17 18 19 20 21 22 23 24 Buffer Amp Output Gain Mixer OSD Limit Amp Auto Beam Buffer Amp Hi Z Input 12 11 10 9 8 7 6 5 4 3 2 1 H Blank Restore Amp Clamp DC R R R R Contrast Contrast OSD Digita...

Page 48: ... R469 R409 R731 J152 R111 R172 R421 R167 R966 R620 R123 R164 R414 R432 R611 R905 R434 R967 R952 R122 R760 R440 R988 R110 R186 R132 R163 R173 R701 R477 R494 R478 R159 R941 R942 R933 R932 R935 R940 R930 R938 R934 R937 R939 R480 R660 R424 R446 R982 R983 R956 R442 R951 R191 R962 R959 R726 R728 R450 R449 R445 R957 R960 R706 R174 R730 R740 R425 R741 C701 R994 R405 R406 R413 R431 R968 R972 R403 R443 R447...

Page 49: ...851 L852 L805 L806 L807 C801 C802 C803 C810 C807 C809 C853 C854 C855 C832 C851 D802 D803 D804 D805 D806 D850 D851 D856 D852 D853 D857 D854 D855 D858 D801 D820 D821 D822 D823 C829 C835 ZD810 ZD801 C863 C887 C823 C813 C814 C804 C806 C811 C812 C808 C815 C822 C830 C833 C825 C839 C820 C826 C827 C852 C821 C824 C860 C861 C862 C836 C837 C838 C840 C864 C867 C834 C873 C816 24 13 12 1 IC801 8 1 IC803 GND1 GN...

Page 50: ... C808 C815 R818 R819 R821 C822 C802 R824 C601 C602 C825 R825 C820 R827 R823 R811 R180 C164 R452 C887 SW104 P803 C434 C809 E601 ZD801 R192 IC104 C972 ZD970 R973 R147 R145 C630 C631 C470 C471 ZD610 D942 R465 C465 R437 R473 R471 1 25 71A55 9 T 3 15A 250V 84A7H 315 SL 275V 0 33 250VAC 3300 250VAC 3300 250VAC 0 22 43K 100 100 100V 3300 10K 1000PF 100V 3300 1KV 330 100V 0 1 400VAC 250VAC 4700 2KV 0 01 1...

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