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Philips 105G7, Руководство по обслуживанию

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Philips 105G7 Скачать руководство пользователя страница 15

 

 

14

6.    TROUBLE SHOOTING CHART 

 

6.1 NO RASTER, CRT RELATIVE CIRCUIT PROBLEMS 

 

 

 

 

NG 

CHECK THE HIGE VOLTAGE OF CRT 
ABOUT 24.5~25.5V

 

CHECK LOWER POWER CIRCUIT H-
SYNC

，

V-SYNC SIGNAL Q909

，

Q910 

CHECK MAIN PCB POWER SUPPLY 
76V 

、

14.2V 

CHECK THE VOLTAGE OF CRT 
HEATER ABOUT 6.3V

 

CHECK FAILSAFE CKT IC401 PIN2 
RELATIVE CKT.

 

REFER ITEM S.M.P.S 

OK 

NG 

OK 

CHECK CRT

’

S HEATER RELATIVE 

CIRCUIT D923  

CHECK SCREEN VOLTAGE ABOUT 
500V TO 700V

 

BRIGHTNESS SET TO MAX 

CHECK VOLTAGE OF THE CRT 
CATHODE ABOUT 40Vpp

 

CHECK FBT 

LESS THAN 300V 

CHECK G1 CIRCUIT Q705 
RELATIVE CKT 

REFER ITEM 6-2 “ABNORMAL 
DISPLAY” 

NG 

NG 

NG 

OK 

OK 

OK 

OK 

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Содержание 105G7

Страница 1: ...E 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 THIS MONITOR IS LEAD FREE PRODUCT MANUFACTURE DATE SEP 2005 http jdwxzlw 5d6d com fromuser 华盛维修 家电维修资料网 免费下载各种维修资料 ...

Страница 2: ...BLE SHOOTING CHART 14 6 1 NO RASTER CRT RELATIVE CIRCUIT PROBLEMS 14 6 2 ABNORMAL DISPLAY 16 6 3 NO BLANKING 17 6 4 HOR OSC DEF HV CIRCUIT FAULT 17 6 5 ABNORMAL HORIZONTAL DEFLECTION 18 6 6 ABNORMAL VERTICAL SCANNING 19 6 7 SIDE PINCUSHION Distortions 19 6 8 POOR FOCUS 19 6 9 POWER SUPPLY TROUBLE SHOOTING CHART 20 6 10 LEAD FREE PRODUCT 21 7 MECHANICAL OF CABINET FRONT DIS ASSEMBLY 22 8 BOM LIST 2...

Страница 3: ...D Position Languages Memory Recall Zoom Input Video Signal Timing Timing 15 Timing 16 Timing 17 Resolution 720 400 640 480 640 480 H KHz 31 327 31 469 43 3 V Hz 69 616 59 943 85 00 Timing Timing 29 Timing37 Resolution 800 600 1024 768 H KHz 53 674 48 36 V Hz 85 061 60 00 Display Size Horizontal Display Size Primary Preset 270 mm 4 mm Horizontal Display Size Other Presets 270 mm 4 mm Vertical Displ...

Страница 4: ... Condensing Operating Altitude 400 meters to 3000 meters Storage Altitude 400 meters to 12 000 meters Gross Weight 13 0 kg Dimensions Monitor Carton 438mm W x 385 mm H x 455 mm D Monitor 360 mm W x 362 mm H x 384 mm D External Connection 15 Pin D type Connector AC Power Cord Regulations North America M UL cUL DHHS TUV S Argentina FCC B NOM ICES 003 BSMI PSB International CB MPRII Power Saving Oper...

Страница 5: ...59 0 0 2Vdc at 640x480 60Hz and well seal it with A B glue or equivalent which you can not move away with one screw driver 7 Before returning a serviced display to the customer a thorough safety test must be performed to verify that the display is safe to operate without danger or shock Always perform an AC leakage current check on the exposed metallic parts of the cabinet such as screw heads Test...

Страница 6: ...aximum operating HV specified for the chassis used in this monitor is 25 5KV 1KV With a line voltage of 120 240 VAC Higher voltage may also increase possibility of failure in HV supply It is important to maintain specified values of all components in the horizontal and high voltage circuits and anywhere else in the monitor that could cause a rise in high voltage or operating supply voltages No cha...

Страница 7: ... firm grounding The connector information is as follow 15 Pin Color Display Signal Cable 3 Apply power to the display by turning the power switch to the ON position and allow about thirty seconds for display tube warm up The Power On indicator lights when the display is on 4 With proper signals feed to the display a pattern or data should appear on the screen adjust the brightness and contrast to ...

Страница 8: ...Signal generator or PC equivalent set mode2 VGA 640X480 pattern 1 0 B Connect a DC Volt meter between TP901 or the equivalent point and ground then adjust VR901 to be 14 2VDC C Connect a DC Volt meter between TP902 or the equivalent point and ground then adjust VR902 to be 85 VDC Factory preset Timings Adjustment A Press MENU Key to show OSD window press Up or Down Key to switch the functional con...

Страница 9: ...AX TRAPEZOID MODIFY NO USE DEGAUSS OSD EXIT RETURN TIME RECORD B I B I ON OFF D To switches the input signal to the other Timing Mode Please follow step C D to get the optimum picture E Select the RETURN function and press the MENU Key then the Factor Preset window will be returned to the original OSD window user s operating condition F The setting data of the CONTRAST BRIGHTNESS PIN BALANCE PARAL...

Страница 10: ...nction to the 9300 K function then press to make the setting data saved in the memory D ABL Full white luminance adjustment a Set mode 2 800 600 Fh 53KHz full white pattern b Image Size H 260 4mm V 195 4mm c Brightness set to raster just cut off and set the contrast to max d Adjust AB to the luminance at 85 138cd m Focus Adjustment A Set mode 5 800 600 Fh 53KHz with character full page B Adjust br...

Страница 11: ...arying the angle between the two tabs of the 4 pole magnets on the PCM assembly See above diagrams D Horizontal red and blue lines are converged by varying the two tabs together keeping the angle between them constant E Produce a white crosshatch pattern on the display F Vertical green and magenta lines are converged by varying the angle between the two tabs of the 6 pole magnets G Horizontal gree...

Страница 12: ...tch dog timer preventing system from abnormal operation and an I2 C bus interface H V sync signals processor The functions of the sync processor include polarity detection H SYNC V SYNC signals counting and Programmable SYNC signals output free running signal generator Pin41 Pin42 are for the H SYNC and V SYNC input Pin34 Pin33 will output the same signal as input sync signal without delay and the...

Страница 13: ...tor The phase detector is a standard one using switched current sources It compares the middle of H sync with a fixed point on the oscillator saw tooth voltage The PLL loop filter is connected to Pin26 PLL2 Phase Detector This phase detector is similar to the PLL1 detector and compares the line fly back pulse with the oscillator saw tooth voltage The PLL2 detector thus compensates for the delay in...

Страница 14: ... MODE TO CUT OFF 6 3V SUPPLY VOLTAGE Q909 Q910 USE FOR OF MODE TO CUT OFF 14 2V 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 Q460 HOR DRIVER TRANSISTOR Q408 AS A SWITCHER FOR HORIZONTAL S CORRECTION CKT Q410 HORIZONTAL S CORRECTION CONTROL MOSFET Q404 Q405...

Страница 15: ... THE VOLTAGE OF CRT HEATER ABOUT 6 3V CHECK FAILSAFE CKT IC401 PIN2 RELATIVE CKT REFER ITEM S M P S OK NG OK CHECK CRT S HEATER RELATIVE CIRCUIT D923 CHECK SCREEN VOLTAGE ABOUT 500V TO 700V BRIGHTNESS SET TO MAX CHECK VOLTAGE OF THE CRT CATHODE ABOUT 40Vpp CHECK FBT LESS THAN 300V CHECK G1 CIRCUIT Q705 RELATIVE CKT REFER ITEM 6 2 ABNORMAL DISPLAY NG NG NG OK OK OK OK http jdwxzlw 5d6d com fromuser...

Страница 16: ... CHECK 5V RELATIVE CIRCUIT CHECK THE IC801 PIN23 RELATIVE CIRCUIT CHECK IC801 PIN5 PIN6 PIN7 RELATIVE CIRCUIT CHECK THE VIDEO OUTPUT OF IC801 PIN19 20 21 ABOUT 3Vpp AND PIN14 15 16 ABOUT 2V CHECK IC801 PIN23 CLAMP PULSE CHECK THE SIGNAL INPUT OF R G B ABOUT 0 7Vpp CHECK SIGNAL CABLE OR INTERFACE CARD R G B APPROACH STANDARD NG OK NG OK NG OK NG OK http jdwxzlw 5d6d com fromuser 华盛维修 家电维修资料网 免费下载各种...

Страница 17: ...802 PIN4 ABOUT 77V CHECK THE 80V RELATIVE CIRCUIT OF SMPS ON MAIN PCB NG OK NG OK CHECK THE VOLTAGE OF CRT CATHODE ABOUT 40Vpp NG OK CHECK THE IC802 RELATIVE CIRCUIT CHECK THE IC803 PIN6 7 8 VOLTAGE ABOUT 50VDC RELATIVE CIRCUIT CHECK THE VOLTAGE OF FBT SCREEN ABOUT 400V TO 700V NG OK CHECK THE IC803 RELATIVE CIRCUIT CHECK FBT RELATIVE CIRCUIT LESS THAN 400V CHECK FBT CRT RELATIVE CIRCUIT OR REFER ...

Страница 18: ...01 CHECK THE RELATIVE CIRCUIT OF BLANKING CHECK IC401 PIN10 ABOUT 12V CHECK IC401 PIN10 RELATIVE CIRCUIT CHECK IC401 PIN8 WAVE FOR ABOUT 3Vpp CHECK IC401 PIN26 30 PIN15 RELATIVE CIRCUIT CHECK THE COLLECTOR VOLTAGE OF Q460 ABOUT 20Vpp CHECK Q460 T401 RELATIVE CIRCUIT CHECK THE COLLECTOR VOLTAGE OF Q403 ABOUT 1200Vpp AT Fh 31KHZ CHECK T401 T402 Q460 Q403 D408 C418 C419 H DY B VOLTAGE http jdwxzlw 5d...

Страница 19: ...L HORIZONTAL LINEARITY READJUST H WIDTH FUNCTION CHECK THE RELATIVE CIRCUIT OF Q404 Q405 Q406 CHECK THE FBT B VOLTAGE ABOUT 85V AT FH 31KHZ CHECK THE RELATIVE CIRCUIT OF SMPS CHECK THE HV OF CRT ABOUT 23 5KV CHECK L401 Q410 AND IC101 PIN 31 CHECK IC401 PIN26 30 RELATIVE CIRCUIT http jdwxzlw 5d6d com fromuser 华盛维修 家电维修资料网 免费下载各种维修资料 ...

Страница 20: ... CKT 6 8 POOR Focuses READJUST FOCUS CONTROL NG CHECK FOCUS CONTROL UNIT FOCUS LEAD WIRE CRT SOCKET CRT READJUST V SIZE FUNCTION VALUE CHECK IC601 PIN1 ABOUT 12V PIN4 ABOUT 12V CHECK D601 C620 RELATIVE CIRCUIT CHECK IC401 PIN21 24 PIN12 13 RELATIVE CIRCUIT CHECK VERT OSC CIRCUIT READJUST V SIZE FUNCTION VALUE CHECK THE VOLTAGE OF IC101 RELATIVE CIRCUIT NG OK NG OK http jdwxzlw 5d6d com fromuser 华盛...

Страница 21: ...IC401 Pin10 About 11 5V MAKE SURE THAT THE VARIABLE OUTPUT IS NOT SHORTED CHECK THE 60V CHECK D919 IC401 Pin10 About 11 5V Q911 FAILURE CHECK START C K T R923 R928 D911 D917 CHECK AC LINE VOLTAGE 120V OR 220V CHECK F901 SW901 CHECK LINE RECTIFIED SMOOTHED VOLTAGE CHECK BRIDGE RECTIFIED CIRCUIT CHECK T901 O P CHECK 77V 60V 14 2V 6 3V 12V Circuit Output CHECK IC901 IC901 FAILURE CHECK Q901 NG OK NG ...

Страница 22: ...ecovery and disposal of waste from electrical and electronic equipment 2 Philips complies with the European Community stringent RoHS Directive mandating restrictions on hazardous substances in electrical and electronic equipment 3 With Philips you can be confident that your display device does not harm the environment http jdwxzlw 5d6d com fromuser 华盛维修 家电维修资料网 免费下载各种维修资料 ...

Страница 23: ...22 7 MECHANICAL OF CABINET FRONT DIS ASSEMBLY http jdwxzlw 5d6d com fromuser 华盛维修 家电维修资料网 免费下载各种维修资料 ...

Страница 24: ...9965 000 28060 70C6048131C CD MANUAL 23 9965 000 28061 89C71B5DHBAF SIGNAL CABLE 24 9965 000 28062 89C410A15NBL POWER CORD 25 9965 000 28063 750C1697503NA ROTATION COIL 26 9965 000 28064 45C7628RN PE BAG FOR MANUAL 27 9965 000 28065 33C4020YA S C CAP 105G78 70 Location Philips Parts No TPV Parts No Description 1 9965 000 28019 CRS554B1PH CRT BOARD ASSY 105G7 2 9965 000 28041 CMS554B1PHPCPT MAIN PC...

Страница 25: ...53 34C733FML SWIVEL 16 9965 000 28054 34C734FML BASE 17 9965 000 28055 34C755FMA BACK COVER 18 9965 000 28056 44C65478132C CARTON 19 9965 000 28057 44C65531 EPS FOAM 20 9965 000 28058 44C65532 EPS FOAM 21 9965 000 28059 45C881RN PE BAG FOR MONITOR 22 9965 000 28060 70C6048131C CD MANUAL 23 9965 000 28061 89C71B5DHBAF SIGNAL CABLE 24 9965 000 28653 89C419A15NIS POWER CORD 25 9965 000 28063 750C1697...

Страница 26: ...046 750A59441AVSDI SDI M 15 0 28 MPRII CRT 9 9965 000 28067 3138 106 10467 BEZEL ASSY 11 9965 000 28068 34C6015CGPA BEZEL 12 9965 000 28069 33C4072GPA POWER BUTTON 13 9965 000 28050 33C40731 POWER LED LENS 14 9965 000 28070 33C4074GPA KEY PAD 9 3138 106 10479 BEZEL ASSY 11 9965 000 29215 34C6015BA5A FRONT PANEL 12 9965 000 28049 33C4072FMA POWER BUTTON 13 9965 000 28050 33C40731 POWER LED LENS 10 ...

Страница 27: ...965 000 28057 44C65531 EPS FOAM 20 9965 000 28058 44C65532 EPS FOAM 21 9965 000 28059 45C881RN PE BAG FOR MONITOR 22 9965 000 28060 70C6048131C CD MANUAL 23 9965 000 28075 89C71F5DHBAF SIGNAL CABLE 24 9965 000 28654 89C402E15NYH POWER CORD 25 9965 000 28063 750C1697503NA ROTATION COIL 26 9965 000 28064 45C7628RN PE BAG FOR MANUAL 27 9965 000 28065 33C4020YA S C CAP 105G79 70 Location Philips Parts...

Страница 28: ...8045 CMS554B1PHPSDI MAIN PCB ASSY SDI 7 9965 000 28046 750A59441AVSDI SDI M 15 0 28 MPRII CRT 9 9965 000 28067 3138 106 10467 BEZEL ASSY 11 9965 000 28068 34C6015CGPA BEZEL 12 9965 000 28069 33C4072GPA POWER BUTTON 13 9965 000 28050 33C40731 POWER LED LENS 14 9965 000 28070 33C4074GPA KEY PAD 9 3138 106 10479 BEZEL ASSY 11 9965 000 29215 34C6015BA5A FRONT PANEL 12 9965 000 28049 33C4072FMA POWER B...

Страница 29: ...65 000 28057 44C65531 EPS FOAM 20 9965 000 28058 44C65532 EPS FOAM 21 9965 000 28059 45C881RN PE BAG FOR MONITOR 22 9965 000 28060 70C6048131C CD MANUAL 23 9965 000 28075 89C71F5DHBAF SIGNAL CABLE 24 9965 000 28657 89C414E15NIS POWER CORD 25 9965 000 28063 750C1697503NA ROTATION COIL 26 9965 000 28064 45C7628RN PE BAG FOR MANUAL 27 9965 000 28065 33C4020YA S C CAP 105G79 94 Location Philips Parts ...

Страница 30: ...L SWIVEL 16 9965 000 29218 34C734A6L BASE 17 9965 000 29219 34C755A6A BACK COVER 18 9965 000 29220 44C65478134A CARTON 19 9965 000 28057 44C65531 EPS FOAM 20 9965 000 28058 44C65532 EPS FOAM 21 9965 000 28064 45C7628RN PE BAG FOR MONITOR 22 9965 000 29221 70C6048132A CD MANUAL 23 9965 000 28061 89C71B5DHBAF SIGNAL CABLE 24 9965 000 28062 89C410A15NBL POWER CORD 25 9965 000 28063 750C1697503NA ROTA...

Страница 31: ...5 000 28090 65C44410313T 10000PF 10 Z5P 50V C146 9965 000 28091 67C3051007T 10UF 20 50V C160 9965 000 28092 65C44215113T 150PF 5 NPO 50V C161 9965 000 28317 65C44210113T 100PF 5 NPO 50V C162 9965 000 28093 65C44410213T 1000PF 10 Y5P 50V C163 9965 000 28092 65C44215113T 150PF 5 NPO 50V C164 9965 000 28082 64C701J2240AT 0 22uF 50V 5 C168 9965 000 28083 67C3091003T 10UF 20 16V C404 9965 000 28084 64C...

Страница 32: ...28080 65C4501047T 0 1UF 80 20 50V Y5V C710 9965 000 28116 63C212J2242AT 220NF 250V 5 C712 9965 000 28117 67C602297T 2 2UF 20 50V C713 9965 000 28118 67C30922011 22UF 20 200V C725 9965 000 28119 64C178J2221T CL21X 2200PF 100V 5 C901 9965 000 28120 63C107K224U 0 22UF 10 250VAC X2 C902 9965 000 28121 63C107K334U MPX 0 33UF 275VAC 10 C907 9965 000 28122 67C3015115X 150UF 450V C910 9965 000 28123 67C30...

Страница 33: ...28151 93C6026W52T FR107 D420 9965 000 28145 93C641152T IN4148 D427 9965 000 28152 93C5247P52T 1N4004 D434 9965 000 28145 93C641152T IN4148 D450 9965 000 28145 93C641152T IN4148 D460 9965 000 28145 93C641152T IN4148 D601 9965 000 28152 93C5247P52T 1N4004 D603 9965 000 28145 93C641152T IN4148 D620 9965 000 28145 93C641152T IN4148 D703 9965 000 28145 93C641152T IN4148 D706 9965 000 28147 93C1060652T ...

Страница 34: ...73C14748NH LINEARITY COIL L405 9965 000 28168 73C25368HP CHOKE COIL L901 9965 000 28169 73A1747G6906 LINE CHOKE L903 9965 000 28170 73C259501T CHOKE COIL L905 9965 000 28160 71C5519T FERRITE BEAD 9X3 5X0 8 L906 9965 000 28171 73C25390ASB CHOKE COIL LED1 9965 000 28172 81C102P LED MTG T4 9965 000 28173 071C1008 FERRITE CORE 12 25 15 NR601 9965 000 28174 61C58101WT NTCR100OHM 15 NR901 9965 000 28175...

Страница 35: ...5 000 28199 61C60215252T CFR 1 5K OHM 5 1 6W R136 9965 000 28192 61C60222252T CFR 2 2K OHM 5 1 6W R141 9965 000 28192 61C60222252T CFR 2 2K OHM 5 1 6W R143 9965 000 28197 61C60210152T CFR 100 OHM 5 1 6W R152 9965 000 28204 61C60230252T CFR 3K OHM 5 1 6W R153 9965 000 28205 61C60233252T CFR 3 3K OHM 5 1 6W R154 9965 000 28192 61C60222252T CFR 2 2K OHM 5 1 6W R156 9965 000 28205 61C60233252T CFR 3 3...

Страница 36: ...7252T CFR 4 7K OHM 5 1 4W R450 9965 000 28235 61C60256352T CFR 56K OHM 5 1 6W R454 9965 000 28236 61C60210352T CFR 10K OHM 5 1 6W R456 9965 000 28237 61C153M39159 MOFR 390 OHM 5 3W R462 9965 000 28238 61C17262252T CFR 6 2K OHM 5 1 4W R464 9965 000 28239 61C60247352T CFR 47K OHM 5 1 6W R470 9965 000 28240 61C21020352T MFR 20K OHM 1 1 6W R494 9965 000 28241 61C17211452T CFR 110K OHM 5 1 4W R496 9965...

Страница 37: ... 2K OHM 5 1 4W R931 9965 000 28272 61C20010952T MFR 1OHM 1 1 4W R935 9965 000 28273 61C17233452T CFR 330K OHM 5 1 4W R937 9965 000 28274 61C17222152T CFR 220OHM 5 1 4W R938 9965 000 28275 61C17222052T CFR 22OHM 5 1 4W R939 9965 000 28276 61C17220352T CFR 20KOHM 5 1 4W R940 9965 000 28277 61C17139352T CFR 39K OHM 2 1 4W R941 9965 000 28278 61C17215252T CFR 1 5K OHM 5 1 4W R942 9965 000 28279 61C172...

Страница 38: ...0 75A335101 HCFVR 100 OHM 20 VR902 9965 000 24531 75A335202 VR 2KOHM 20 X101 9965 000 28301 93C2243PT CRSTAL ZD101 9965 000 28302 93C397352T HZ6B1 E ZD103 9965 000 28303 93C395252T HZ5C2 E ZD104 9965 000 28302 93C397352T HZ6B1 E ZD105 9965 000 28303 93C395252T HZ5C2 E ZD106 9965 000 28302 93C397352T HZ6B1 E ZD107 9965 000 28302 93C397352T HZ6B1 E ZD110 9965 000 28302 93C397352T HZ6B1 E ZD401 9965 ...

Страница 39: ...152T CFR 100 OHM 5 1 6W R815 9965 000 21673 61C60210152T CFR 100 OHM 5 1 6W R807 9965 000 21680 61C60210252T CFR 1K OHM 5 1 6W R823 9965 000 21680 61C60210252T CFR 1K OHM 5 1 6W R824 9965 000 21680 61C60210252T CFR 1K OHM 5 1 6W R825 9965 000 21680 61C60210252T CFR 1K OHM 5 1 6W R827 9965 000 21680 61C60210252T CFR 1K OHM 5 1 6W R804 9965 000 21829 61C60233052T CFR 33 OHM 5 1 6W R805 9965 000 2182...

Страница 40: ...5 000 21536 64C178J1032T MPE 0 01UF 250V 5 C818 9965 000 21552 64C178J1040T CL21X0 1UF 63V 5 C856 9965 000 21552 64C178J1041T C121X 0 1UF 100V 5 C857 9965 000 21552 64C178J1041T C121X 0 1UF 100V 5 C858 9965 000 21552 64C178J1041T C121X 0 1UF 100V 5 C828 9965 000 21552 64C178J1042T 1UF 250V C847 9965 000 24544 64C178J5630T 0 056UF 63V C816 9965 000 21598 64C700J1520AT 1500PF 63V C817 9965 000 21598...

Страница 41: ...69TA NOPB 9 BLOCK DIAGRAM 9 1 BLOCK DIAGRAM OF MONITOR SIGNAL CABLE R G B IC 801 LM1246 PRE AMP IC 802 LM2469 O P CRT Function KEY IC 101 NT68F65 CPU H V IC 803 LM2480 R G B R G B IC 401 TDA4841 Vert Hor OSC Q460 T401 Hor Driver Focus HV Q403 T4029 HOR O P Q907 Q908 Q909 Q910 Power Saving Q404 Q405 Q406 Pincushion H Size Control IC 601 TDA4863 Vert O P V DY X Ray Protection G1 Control Q705 Circuit...

Страница 42: ...41 9 2 IC BLOCK DIAGRAM IC101 NT68F65 IC102 24C08 http jdwxzlw 5d6d com fromuser 华盛维修 家电维修资料网 免费下载各种维修资料 ...

Страница 43: ...ND O P Ct Rt Is COMP F B Vref 8 2 1 3 4 6 5 7 U V L O 36V 1V 1 2 Vref OSCILLATOR LATCH PWM S R COMP C S 1 3 AMP ERR LOGLC RESET SET Vref 5V BIAS INTERNAL IC901 UC3842 http jdwxzlw 5d6d com fromuser 华盛维修 家电维修资料网 免费下载各种维修资料 ...

Страница 44: ...43 IC401 TDA4841 IC601 TDA4863A http jdwxzlw 5d6d com fromuser 华盛维修 家电维修资料网 免费下载各种维修资料 ...

Страница 45: ...44 IC801 LM1237 http jdwxzlw 5d6d com fromuser 华盛维修 家电维修资料网 免费下载各种维修资料 ...

Страница 46: ...45 IC802 LM2469 IC803 LM2480NA http jdwxzlw 5d6d com fromuser 华盛维修 家电维修资料网 免费下载各种维修资料 ...

Страница 47: ...46 10 PCB LAYOUT 10 1 MAIN PCB LAYOUT http jdwxzlw 5d6d com fromuser 华盛维修 家电维修资料网 免费下载各种维修资料 ...

Страница 48: ...47 10 2 CRT BOARD LAYOUT http jdwxzlw 5d6d com fromuser 华盛维修 家电维修资料网 免费下载各种维修资料 ...

Страница 49: ...48 11 SCHEMATIC DIAGRAM http jdwxzlw 5d6d com fromuser 华盛维修 家电维修资料网 免费下载各种维修资料 ...

Страница 50: ...49 http jdwxzlw 5d6d com fromuser 华盛维修 家电维修资料网 免费下载各种维修资料 ...

Страница 51: ...50 http jdwxzlw 5d6d com fromuser 华盛维修 家电维修资料网 免费下载各种维修资料 ...

Страница 52: ...51 http jdwxzlw 5d6d com fromuser 华盛维修 家电维修资料网 免费下载各种维修资料 ...

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