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AOpen A70PF, Руководство по обслуживанию

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A70PF(RX-777NS)                                                                                                                                                           4 / 33                    

 

B.SPECIFICATIONS 

1. 

  Screen 

17

”

 F&S 0.25mm,Antistatic coating 

 

2. 

  Visible Image Area                   

16.02 inch 

3.

   Active Display Area 

306mm (H) × 230mm (V) 

4.

   Synchronization Range 

 

Horizontal  
Vertical 

   

                  

 

30 –  72 KHz

 

50 – 160 Hz 

5.

   Power Source 

100 – 240 Vac , 60/50 Hz 

6.

   Power Consumption                 

75W (max.)

 

7.

   Input Signal 

 

Video                                        
Sync.                                       

Analog R.G.B. , 0.7Vp-p / 75 Ohm 

TTL level,positive or negative polarity 

8.

   Connection Type   

15 Pin D Type 

9.

   Resolution                     

1280 × 1024  pixels 

10.

 Color Temperature                   

9300ºK / 6500ºK 

11.

 Dimension (W×H×D)                

406 

×

 417 

×

 433 (mm) 

 

12.

 Monitor Weight                       

15.8Kg 

 

13.

 Base Operation 

 

Tilt    
Swivel   

-   5º / + 15º 
- 45º / + 45º 

14.

 Power Saving 

 

        ON 

OFF  

＜

   75W 

＜

     5W 

15.

 Signal Connector Pin Assignment 

 

 Pin No.

 

 

1. Red 

 2. 

Green 

      3. Blue 
      4. Ground 
      5. Self Test 

 6. Red Ground 
 7. Green Ground 
 8. Blue Ground 
 9. Not Connected 
10.

 

Sync. Ground 

11. Ground 
12. SDA 
13. Horizontal Sync. 
14. Vertical Sync. 
15. SCL 

 
 
 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Содержание A70PF

Страница 1: ...A70PF RX 777NS 1 33 A70PF Service Manual ...

Страница 2: ...TANT SAFETY INSTRUCTION 3 B SPECIFICATIONS 4 C TIMING CHART 5 D ADJUSTMENT CONTROL LOCATION 6 E ADJUSTMENT PROCEDURE 7 F BLOCK DIAGRAM 12 G TROUBLE SHOOTING HINTS 13 H BILL OF MATERIAL 20 I EXPLODED DIAGRAM 29 J SCHEMATIC DIAGRAM 30 K PCB LAYOUT DIAGRAM 31 ...

Страница 3: ...ilable consult with your dealer or local power company 9 This product is equipped with a 3 wire grounding type plug a plug having a third grounding pin This plug will only fit into a grounding type power outlet This is a safety feature If you are unable to insert the plug into the outlet contact your electrician to replace your obsolete outlet Do not damage the purpose of the grounding type plug 1...

Страница 4: ...g R G B 0 7Vp p 75 Ohm TTL level positive or negative polarity 8 Connection Type 15 Pin D Type 9 Resolution 1280 1024 pixels 10 Color Temperature 9300ºK 6500ºK 11 Dimension W H D 406 417 433 mm 12 Monitor Weight 15 8Kg 13 Base Operation Tilt Swivel 5º 15º 45º 45º 14 Power Saving ON OFF 75W 5W 15 Signal Connector Pin Assignment Pin No 1 Red 2 Green 3 Blue 4 Ground 5 Self Test 6 Red Ground 7 Green G...

Страница 5: ... 1 219 0 948 1 037 1 016 D Back Porch 1 907 1 907 3 810 2 222 3 232 2 702 2 235 2 370 2 296 2 201 E Front Porch 0 318 0 318 0 508 1 556 0 323 0 569 0 203 0 474 0 444 0 508 F V Hz 59 941 70 087 75 000 85 0 75 000 85 061 75 029 100 0 60 020 84 997 A Period Ms 16 683 14 268 13 333 11 764 13 333 11 756 13 328 9 997 16 661 11 765 B Active mS 15 253 12 711 12 800 11 093 12 800 11 179 12 795 9 387 16 005...

Страница 6: ...A70PF RX 777NS 6 33 D ADJUSTMENT CONTROL LOCATION ...

Страница 7: ...f the monitor 2 Hold key then plug the power cord of the monitor 3 Hold key make sure into preset picture if not please return 1 2 4 Please following the procedure of selection and adjusting an item using the OSD system as below steps for main function adjusent Step 1 Press and relese the OSD control knob to activate the OSD menu Step 2 Press or key to highlight the desired option of OSD icon Step...

Страница 8: ... Oscilloscope Cathode G 3 block 68KHz 1024x768 1 Move the OSD to the R G B DRIVE 2 Move the OSD to the G DRIVE and make the adjustment to the value shown at right by using and key 3 Move the OSD to the R B DRIVE and make the Adjustment to the value shown at right by using and key 37VP P Y 58FL x 0 283 0 015 y 0 297 0 015 F ABL Adjust Color Analyzer Full White 68KHz 1024x768 1 Set the contrast to M...

Страница 9: ...hem until they are at the same angle 9 o clock and 3 o clock respectively J Static Convergence Adjust Magenta color 31 5KHz 640x480 1 Open the two pawels of the 4 pole magnets to allow the red and blue vertical lines to unite 2 Open and rotate the two pawels at a contrast angle so that the red and blue horizontal lines can unite 3 If the vertical lines deviates open the two powals at the deviation...

Страница 10: ...A70PF RX 777NS 10 33 ...

Страница 11: ...A70PF RX 777NS 11 33 ...

Страница 12: ...100 240V 13V SMPS I501 KA3842 MCU IC901 EMC6700 Horizontal Def O P Stage Q703 D709 Voltage Regulator D502 D508 D510 D513 D509 H V Processor IC601 TDA9116 8 EEPROM IC901 24LC08 Video PerAmp OSD IC201 LM1237 Video AMP IC203 LM2469 Vertical Booster IC301 TDA8172 Booster Q719 D719 DC restore IC202 LM2480 H Driver T702 Q702 Control PCB FBT T701 Degauss Dynamic Focus T703 Q713 ...

Страница 13: ...G HINTS No Yes No Yes No Yes No Yes T501 7 160 V IC501 2 2 5V D510 15 5V CHECK F501 D514 D515 D516 D517 CHECK IC501 R539 D505 ZD551 CHECK D510 Q501 Q508 CHECK IC501 Q504 CIRCUIT SHORT T501 7 VOLTAGE AC120V IN 160V AC220V IN 294V AC230V IN 308V NO POWER ...

Страница 14: ...RX 777NS 14 33 No Yes No Yes No Yes No Yes IC301 2 12 V IC301 4 10 5 V IC301 1 0 7 VP P IC301 5 48 VP P CHECK 15V LINE CHECK 12V LINE CHECK IC601 CHECK IC301 BRIGHT HOR LINE APPEAR ON THE SCREEN CHECK CRT DY ...

Страница 15: ...LT 6 3 V CRT EHT 26KV CRT G2 600V CRT KR KG KB VOLTAGE CHECK B VOLT 7 2 V Q710 E 0 6V CHECK Q711 B 0 7 V CHECK IC601 CHECK IC901 CHECK Deflection Horizontal CKT CHECK T701 FBT VIDEO CKT FAILURE CHECK IC901 Surrounding CKT NO RASTER CHECK CRT TUBE IC901 4 1 5V 1 8V CHECK IC901 24 2 0 V CHECK VIDEO CKT ...

Страница 16: ...Q703 C 1 0 1 2 KVP P Q703 B DRIVE PULSE Q702 G DRIVE PULSE CHECK B 51V CHECK B 15V CHECK NO RASTER CHECK FBT NO POWER REPLACE Q608 CHECK 15V LINE CHECK IC601 DEFLECTIVE HOR CKT Q703 FAILURE CHECK T702 Q601 Q602 B BOUT Q719 G DRIVE PULSE CHECK Q719 CHECK IC601 SURRONDING CKT FBT 3 51V ...

Страница 17: ...505 C 7 0 V CHECK Q511 B 0 V CHECK PC CHECK IC901 CHECK IC901 CHECK Q505 CHECK Q511 VESA STANDARD DPMS ITEM MODE H V Sync VIDEO LED NORMAL ON ON NORMAL GREEN STAND BY OFF ON OFF ORANGE OFF OFF OFF OFF ORANGE IC901 PIN40 PIN41 SIGNAL PIN40 PIN41 NORMAL H H STAND BY H L OFF L L OFF MODE FAILURE ...

Страница 18: ...A70PF RX 777NS 18 33 No Yes No Yes No Yes No Yes P903 OK Q902 c 15 V Q903 E 7 V Q904 B 2 5V CHECK 15V LINE CHECK IC901 CHECK 7V LINE CHECK Q904 CHECK Rotation Coil NO ROTATION ...

Страница 19: ...mple Missing Green No Yes No Yes No Yes No Yes No Yes NO CHARACTERS MISSING ONE CRT KG 80V0 P IC203 3 39 VP P IC203 8 12 V IC201 10 18 5V IC201 6 0 7VP P CHECK IC201 NO RASTER CHECK IC203 CHECK 12V CHECK IC201 CHECK I P SIGNAL ...

Страница 20: ...6 R CF 10K ohm 1 4W 5 EA 4 R529 R536 R983 R610 19 210 103 0856 R CF 10K ohm 1 8W 5 EA 2 R291 R288 20 210 103 0856 R CF 10K ohm 1 8W 5 EA 8 R651 R931 R615 R590 R730 R510 R630 R930 21 210 103 0856 R CF 10K ohm 1 8W 5 EA 3 R606 R724 R741 22 210 104 0256 R CF 100K ohm 1 2W 5 EA 1 R2A3 23 210 104 0256 R CF 100K ohm 1 2W 5 EA 1 R770 24 210 104 0456 R CF 100K ohm 1 4W 5 EA 2 R731 R508 25 210 104 0456 R C...

Страница 21: ... 1 8W 5 EA 3 R237 R267 R207 65 210 363 0456 R CF 36K ohm 1 4W 5 EA 1 R544 66 210 363 0856 R CF 36K ohm 1 8W 5 EA 1 R604 67 210 392 0856 R CF 3 9K ohm 1 8W 5 EA 1 R994 68 210 392 0856 R CF 3 9K ohm 1 8W 5 EA 1 R765 69 210 393 0856 R CF 39K ohm 1 8W 5 EA 2 R7A3 R928 70 210 432 0456 R CF 4 3K ohm 1 4W 5 EA 1 R618 71 210 433 0456 R CF 43K ohm 1 4W 5 EA 1 R929 72 210 470 0256 R CF 47 ohm 1 2W 5 EA 1 R7...

Страница 22: ... ohm 1 8W 5 EA 1 R290 110 210 9R1 0256 R CF 9 1 ohm 1 2W 5 EA 1 R539 111 213 102 2059 R NF 1K ohm 2W 5 EA 1 R758 112 213 1R0 1055 R NF 1 ohm 1W 5 EA 1 R326 113 213 1R0 1059 R NF 1 ohm 1W 5 EA 1 R703A 114 213 2R2 1059 R NF 2 2 ohm 1W 5 EA 1 R2A1 115 213 7R5 1059 R NF 7 5 ohm 1W 5 EA 1 R2A4 116 213 823 2059 R NF 82K ohm 2W 5 EA 2 R502 R504 117 214 2R2 0259 R FR 2 2ohm 1 2W 5 EA 1 R732 118 216 472 04...

Страница 23: ...A 3 C750 C935 C948 158 300 220 0222 EC 22uF 160V 20 85C EA 1 C520 159 300 220 1620 EC 22uF 16V 20 85C TP EA 1 C623 160 300 220 1620 EC 22uF 16V 20 85C TP EA 1 C742 161 300 221 0123 EC 220uF 100V 20 105C EA 1 C521 162 300 470 0123 SL EC 47uF 100V M 105C Low DF LC EA 1 C744 163 300 470 1620 EC 47uF 16V 20 85C TP EA 2 C2A4 C272 164 300 470 1620 EC 47uF 16V 20 85C TP EA 3 C607 C615 C922 165 300 470 50...

Страница 24: ...F 2KV 10 TP EA 1 C792 204 308 220 1850 CC TC SL 22P 5 50V TP EA 3 C231A C261A C201A 205 308 270 1850 CC TC SL 27P 5 50V TP EA 1 C741A 206 308 330 1150 CERAMIC NPO CH T 33P 50V J EA 2 C918 C919 207 309 392 1052 PHM 3900pF 1KV 5 EA 1 C713 208 309 472 1655 PPS 4700pF 1 6KV 5 EA 1 C712 209 310 224 0252 MPP 0 22uF 250V 5 EA 1 C709 210 310 304 0452 MPP 0 3uF 400V 5 EA 1 C717 211 310 624 0252 CAP MPS 0 6...

Страница 25: ...D EA 1 IC901 247 504 000 2469 IC LM2469 MONOLITH TRIPLE 9ns NS EA 1 IC203 248 504 000 2480 LM2480 TRIPLE BIASCLAMP ESD2KVNS EA 1 IC202 249 504 200 3842A KA3842A SAMSUNG STORT UP 0 2mA EA 1 IC501 250 504 550 1237E LM1237BDCE Simplify CHN characJPN Portuguese EA 1 IC201 251 504 700 9118 H V DEFLECTION IC TDA9118 STV EA 1 IC601 252 504 900 8172 IC TDA8172 ST EA 1 IC301 253 505 001 7805 REGULATOR IC L...

Страница 26: ...1SS83 TA EA 3 D235 D265 D205 288 522 010 T42M FAST RECTIFIER BYT42M 1KV 1 25 EA 1 D501 289 522 020 H203 DIODE HER203 2A 200V EA 1 D513 290 522 020 H207 F DIODE HER207G F 800V 2A 70ns Liqin EA 1 D508 291 522 020 L205 DIODE RL205 600V 2A EA 4 D514 D515 D516 D517 292 522 030 H303G F DIODE HER303G 200V 3A 50ns Liqin EA 2 D510 D502 293 522 030 H305G DIODE HER305G EA 1 D509 294 522 030 H305G F DIODE 3A ...

Страница 27: ... 330 730 200 772NS SA H DRIVE TRANSFORMER EA 1 T702 331 730 302 770VC 2 P6 772N FBT COST DOWN EA 1 T701 332 730 400 770VC SA FOCUS TRANS 47J00 0080L LAE EA 1 T703 333 735 017 X771 E 17 DEGAUSS COIL EA 1 334 740 500 564I 4 P6NS ROTATION COIL 230TS L 405MM EA 1 335 745 201 2084B SA1 CHOCK COIL 200uH EA 1 L703 336 745 300 2064 CHOCK COIL 30uH 10 EA 1 L504 337 745 5R1 3082 CHOCK COIL 5 1uH 10 EA 1 L70...

Страница 28: ...ear Cover 1 4 900 TSP XG51 PCB Board 1 5 111 014 0201 Rubber Washer 4 6 899 400 RXP6 Key Board 1 7 154 000 RX17 Adjustor Knob 1 8 105 010 3012 Screw 2 9 152 002 PX17R bracket right 1 10 152 002 X17L bracket left 1 11 105 016 3012 Screw 2 12 105 016 4012 Screw 4 13 151 701 CAJG Stand Base Plate 1 14 108 325 5012 Screw 4 15 154 00G 572B A I O plate 1 ...

Страница 29: ...A70PF RX 777NS 29 33 I EXPLODED DIAGRAM ...

Страница 30: ...A70PF RX 777NS 30 33 J SCHEMATIC DIAGRAM ...

Страница 31: ......

Страница 32: ......

Страница 33: ...A70PF RX 777NS 31 33 K PCB LAYOUT DIAGRAM MAIN BOARD ...

Страница 34: ...A70PF RX 777NS 32 33 CRT BOARD ...

Страница 35: ...A70PF RX 777NS 33 33 MEMO ...

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