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LG Flatron F730B, Руководство по обслуживанию

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LG Flatron F730B Скачать руководство пользователя страница 42

R 7 7 5

0 R X 3 9 0 2 J 6 0 9

39K OHM 1 W 5% TA52

R 7 8 2

0 R D 3 3 0 1 A 6 0 9

3.3K OHM 1/2 W(7.0) 5.00% TA52

R 7 9 3

0 R D 4 7 0 2 Q 6 0 9

47K 1/4W(3 5% TA52

R 7 9 7

0 R D 1 5 0 1 Q 6 0 9

1.50K 1/4W(3 5% TA52

R 7 9 8

0 R D 2 0 0 1 Q 6 0 9

2K 1/4W(3 5% TA52

R 7 9 9

0 R D 1 5 0 2 Q 6 0 9

15K 1/4W(3 5% TA52

R 8 0 1

0 R D 1 5 0 2 Q 6 0 9

15K 1/4W(3 5% TA52

R 8 0 2

0 R D 1 5 0 2 Q 6 0 9

15K 1/4W(3 5% TA52

R 8 0 3

0 R D 1 0 0 1 Q 6 0 9

1K 1/4W(3 5% TA52

R 8 0 9

0 R X 0 1 0 1 K 6 6 5

1 OHM 2 W 5% SF

R 8 1 8

0 R N 6 2 0 2 F 4 0 9

62KOHM 1/6 W 1% TA52

R 8 2 2

0 R X 0 1 5 2 J 6 0 9

15 OHM 1 W 5% TA52

R 8 2 3

0 R X 0 5 6 2 K 6 6 5

56 OHM 2 W 5.00% SF

R 9 0 1

0 R D 4 7 0 3 A 6 0 9

470K OHM 1/2 W (7.0) 5% TA52

R 9 0 2

0 R D 0 3 3 2 Q 6 0 9

33 1/4W(3 5% TA52

R 9 0 3

0 R N 0 5 6 2 F 4 0 9

56 OHM 1/6 W 1% TA52

R 9 0 4

0 R X 3 9 0 2 K 6 6 5

39K OHM 2 W 5% SF

R 9 0 6

0 R D 6 2 0 0 Q 6 0 9

620 1/4W(3 5% TA52

R 9 0 7

0 R D 3 9 0 2 Q 6 0 9

39K 1/4W(3 5% TA52

R 9 1 0

0 R X 4 7 0 2 J 6 0 9

47K OHM 1 W 5% TA52

R 9 1 1

0 R D 0 2 0 2 Q 6 0 9

20 1/4W(3 5% TA52

R 9 1 2

0 R N 1 8 0 2 F 4 0 9

18K 1/6W 1% TA52

R 9 1 3

0 R N 2 7 0 1 F 4 0 9

2.7K OHM 1/6 W 1.00% TA52

R 9 1 5

0 R D 2 0 0 0 Q 6 0 9

200 1/4W(3 5% TA52

R 9 1 6

0 R D 1 0 0 2 Q 6 0 9

10K 1/4W(3 5% TA52

R 9 1 8

0 R D 1 0 0 1 Q 6 0 9

1K 1/4W(3 5% TA52

R 9 2 3

0 R D 1 0 0 3 Q 6 0 9

100K 1/4W(3 5% TA52

R 9 2 4

0 R N 0 3 9 0 H 6 0 9

0.39 1/2W  5  TA52

R 9 2 5

0 R N 0 3 9 0 H 6 0 9

0.39 1/2W  5  TA52

R 9 2 6

0 R D 4 3 0 1 Q 6 0 9

4.30K 1/4W(3 5% TA52

R 9 2 7

0 R D 2 0 0 2 Q 6 0 9

20K 1/4W(3 5% TA52

R 9 2 8

0 R D 1 8 0 0 Q 6 0 9

180 1/4W(3 5% TA52

R 9 2 9

0 R D 0 3 3 2 Q 6 0 9

33 1/4W(3 5% TA52

R 9 4 1

0 R N 0 2 2 0 H 6 0 9

0.22 1/2W 5% TA52

R 9 4 4

0 R D 4 7 0 0 A 6 0 9

470 OHM 1/2 W (7.0) 5% TA52

R 9 4 5 - 1

0 R D 4 7 0 1 Q 6 0 9

4.70K 1/4W(3 5% TA52

R 9 5 2

0 R D 1 2 0 2 A 6 0 9

12K OHM 1/2 W(7.0) 5.00% TA52

R 9 5 3

0 R D 1 0 0 1 A 6 0 9

1K OHM 1/2 W (7.0) 5% TA52

R 9 5 4

0 R D 4 7 0 1 Q 6 0 9

4.70K 1/4W(3 5% TA52

R 9 5 5

0 R D 4 7 0 1 Q 6 0 9

4.70K 1/4W(3 5% TA52

R 9 5 6

0 R D 6 8 0 2 A 6 0 9

68K OHM 1/2 W (7.0) 5% TA52

R 9 5 7

0 R D 0 4 7 2 A 6 0 9

47 OHM 1/2 W (7.0) 5% TA52

R 9 6 0

0 R D 6 2 0 0 A 6 0 9

620 OHM 1/2 W(7.0) 5.00% TA52

O T H E R s

F 1

4 3 0 - 8 5 8 C

AFC-520 BAE EUN TA

F 2

4 3 0 - 8 5 8 C

AFC-520 BAE EUN TA

F 9 0 1

0 F Z Z T T H 0 0 1 B

"TIME LAG HBC 5A/250V,215 

0 0 5 , L I T T E L F U S E "

F B 2 0 1

0 R D 0 1 0 1 Q 6 0 9

1 1/4W(3 5% TA52

L 3 1 1

0 L A 0 5 6 0 K 1 1 9

0.56UH K 2.3*3.4 TP

L 3 1 2

0 L A 0 5 6 0 K 1 1 9

0.56UH K 2.3*3.4 TP

L 3 1 3

0 L A 0 5 6 0 K 1 1 9

0.56UH K 2.3*3.4 TP

R L 9 0 1

6 9 2 0 T B B 0 0 7 A

JZC-42012-2HS HONGMEI 250VAC 5A 12V 

2A NO VENTING

S C 3 0 1

6 6 2 0 T B D 0 0 3 A

PCS701E PARK ELEC. 10PIN 14/360 

S T R A I G H T

S C 9 0 1

6 6 2 0 T K B 0 0 2 B

SA-4S HUA JIE AC UNIVERSAL 3PIN 

B L A C K

S G 3 0 5

6 9 1 8 T R T 0 0 5 A

"SSG-102-A0,1KV SMART RADIAL TAPING"

S G 7 0 1

6 9 1 8 T R T 0 0 5 A

"SSG-102-A0,1KV SMART RADIAL TAPING"

S W 2 0 1

6 6 0 0 R 0 0 0 0 1 A

"JTP1280F6 JEIL 12V DC 1MA 

V E R T I C A L , 7 M M "

S W 2 0 2

6 6 0 0 R 0 0 0 0 1 A

"JTP1280F6 JEIL 12V DC 1MA 

V E R T I C A L , 7 M M "

S W 2 0 3

6 6 0 0 R 0 0 0 0 1 A

"JTP1280F6 JEIL 12V DC 1MA 

V E R T I C A L , 7 M M "

S W 2 0 4

6 6 0 0 R 0 0 0 0 1 A

"JTP1280F6 JEIL 12V DC 1MA 

V E R T I C A L , 7 M M "

S W 2 0 5

6 6 0 0 R 0 0 0 0 1 A

"JTP1280F6 JEIL 12V DC 1MA 

V E R T I C A L , 7 M M "

S W 2 0 6

6 6 0 0 R 0 0 0 0 1 A

"JTP1280F6 JEIL 12V DC 1MA 

V E R T I C A L , 7 M M "

S W 2 5 0

6 6 0 0 M 0 0 0 0 3 7

JPS2225A NAMAE 30VDC 0.1A BLUE 

A N G E L

T 1

6 6 3 1 T 1 1 0 0 5 D

1 W-T 480MM UL 1015 AWG 22 CB775C

T 7 0 1

6 1 7 4 T 1 1 0 0 6 C

"C93 BSC25-1458 FUJIAN FURI(HITACHI) 

17""/70KHZ FLAT"

T 7 0 2

6 1 7 0 T C Z 0 1 3 A

"EI2218 26UH D/FOCUS,FB775G"

T 7 0 3

6 1 7 0 T C Z 0 1 5 A

"EI-19 4.45MH H-DRIVE,700BJ"

T 9 0 1

6 1 7 0 T M Z 1 5 3 A

EER3435 300UH V-16PIN T710BL 

SI/SC/NY/JS /TC  71-85KHZ

T H 9 0 1

6 3 2 2 B 0 0 0 0 2 D

MZ72-4.5RN290V GAOLI 4.5OHM +30% -

20% 2PIN BOX

T H 9 0 2

6 3 2 2 A 0 0 0 0 3 C

8 D2 10 SEMITEC 8OHM 15% D(11.5)

X 4 0 1

6 2 1 2 A A 2 0 0 3 E

HC-49U SOUTH STAR 48MHZ +/- 20 PPM 

22PF BULK

- 

41

 

-

*S    *AL  

LOC NO

.     PART NO.             DESCRIPTION/SPECIFICATON

*S    *AL  

LOC NO

.     PART NO.             DESCRIPTION/SPECIFICATON

Содержание Flatron F730B

Страница 1: ...0 g Inside Snow white paper 100 g 4 Printing Method 5 Bindery Saddle stitch 6 Language English 7 Number of pages 45 Part No 1 2 Service Guide Specification Service Guide Specification Changes 4 REV NO MM DD YY CHANGE NO CHANGE CONTENTS 1 2 3 4 5 7 6 SUFFIX F730BL KLEUED LG 3828TSL110E 8 Special Instructions 3 Product Name FLATRON F730B FAN Y Y YEO H M 2005 02 22 2005 02 22 ...

Страница 2: ... LGservice com E mail http www LGEservice com techsup html CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL F730B F730BL AL QE CHASSIS NO CA 136 Same model for SVC Same looking with new chassis Issue Date 2003 12 ...

Страница 3: ... row 15 pin Connector Attached 2 4 Scanning Frequency Horizontal 30 71 kHz Vertical 50 160 Hz 3 POWER SUPPLY 3 1 Power Range AC 100 240V 50 60Hz 1 0A Max 3 2 Power Consumption 4 DISPLAY AREA 4 1 Active Video Area Max Image Size 325 4 x 244 1 mm 12 81 x 9 61 Preset Image Size 310 x 230 mm 12 20 x 9 06 4 2 Display Color Full Colors 4 3 Display Resolution 1280 x 1024 60Hz Max Non Interlace 4 4 Video ...

Страница 4: ...joints frayed leads damaged insulation solder splashes or the sharp points Be sure to remove all foreign materials IMPLOSION PROTECTION All used display tubes are equipped with an integral implosion protection system but care should be taken to avoid damage and scratching during installation Use only same type display tubes X RADIATION The only potential source of X radiation is the picture tube H...

Страница 5: ...st receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead Always remove the test receiver ground lead last 9 Use with this receiver only the test fixtures specified in this service manual CAUTION Do not connect the test fixture ground strap to any heat sink in this receiver Electrostatically Sensitive ES Devices Some semiconductor solid state devices ...

Страница 6: ...tip as the solder melts 2 Draw away the melted solder with an anti static suction type solder removal device or with solder braid before removing the IC Replacement 1 Carefully insert the replacement IC in the circuit board 2 Carefully bend each IC lead against the circuit foil pad and solder it 3 Clean the soldered areas with a small wire bristle brush It is not necessary to reapply acrylic coati...

Страница 7: ...onnection 4 Route the jumper wire along the path of the out away copper pattern and let it overlap the previously scraped end of the good copper pattern Solder the overlapped area and clip off any excess jumper wire At Other Connections Use the following technique to repair the defective copper pattern at connections other than IC Pins This technique involves the installation of a jumper wire on t...

Страница 8: ...178 0 577 0 056 0 503 0 018 H 68 677 14 561 10 836 3 725 1 016 2 201 0 508 V 85 00 11 764 11 182 0 582 0 044 0 524 0 014 Mode H V Sort 1 2 3 4 640x480 75Hz 800x600 85Hz 1024x768 85Hz 800x600 75Hz Dot Clock MHz Horizontal Frequency kHz Vertical Frequency Hz Horizontal etc µs Vertical etc ms Sync Polarity Frequency Total Period A Video Active Time B Sync Duration E Blanking Time C Back Porch F Front...

Страница 9: ...parate the back cover from the latch at the bottom of the cabinet using the jig as shown in the figure Insert the jig into the latch and lift slightly 3 Separate the back cover from the latch on top of the cabinet using a screwdriver as shown in the figure Insert the screwdriver and gently press the latch 5 Lift up the back cover to separate from cabinet assembly ...

Страница 10: ...x position 1 Adjustment for B Voltage 1 Display cross hatch pattern at Mode 4 2 Check D961 cathode voltage within 50V 1V 2 Adjustment for High Voltage 1 Display cross hatch pattern at Mode 4 2 Enter the SVC SUB menu as the following instruction 3 Adjust H Voltage to 25 0kV 0 1 kV by adjust 1 P value 2 Adjustment by Service Hot key How to enter SVC HOT KEY 1 Press Menu and OSD window will appear 2 ...

Страница 11: ...0 Contrast Maximum Brightness Maximum Color temperature 9300K 11 1 Adjustment of cut off Adjustment of back raster 11 1 a Before adjustment press Menu and Degauss to remove Enter hot key mode Adjust Brightness and Contrast to Max in OSD window 1 Adjust cut off back raster first Enter DEGAUSS in the Menu and modify the following data Modify RCUT to Min Modify GCUT To Min Adjust to BCUT Data 127 7F ...

Страница 12: ...NNING REQUENCY X Z K Z Z ISPLAY IMAGE 7HITE FLAT FIELD UMINANCE UT OFF POINT AT THE CENTER OF THE DISPLAY AREA OTE OLOR PURITY ADJUSTMENTS SHOULD ONLY BE ATTEMPTED BY QUALIFIED PERSONNEL 02 52 OR TRAINED AND EXPERIENCED SERVICE TECHNICIANS ONLY 5SE THE FOLLOWING PROCEDURE TO CORRECT MINOR COLOR PURITY PROBLEMS AKE SURE THE DISPLAY IS NOT AFFECTED BY EXTERNAL MAGNETIC FIELDS 6ERY CAREFULLY BREAK TH...

Страница 13: ... above from number 6 to 16 20 COMMAND PRESET EXIT Y Yes command 2 Adjustment for White Balance and Luminance 1 Set the White Balance Meter 2 Press the DEGAUSSING on the OSD menu for demagnetization of the CDT 3 Display color 0 0 pattern at Mode 4 4 COMMAND PRESET START Y Yes command 5 Set Bightness and Contrast to max position 6 COLOR ADJ LUMINANCE command of the alignment program 7 COLOR ADJ BIAS...

Страница 14: ...itor only 1 Port Setup a Copy UserPort sys file to c WINNT system32 drivers folder b Run Userport exe c Remove all default number d Add 300 3FF e Click Start button f Click Exit button 2 EDID Read Write 1 Run WinEDID exe 2 Edit Week of Manufacture Year of Manufacture Serial Number a Input User Info Data b Click Update button c Click Write button Adjustment and EDID Data Down in GCSC ...

Страница 15: ...U 9HUVLRQ 5HYLVLRQ 0RGHO QDPH 3 6SHFLDO DWD GLW 8VLQJ 6HUYLFHVRIWZDUH3URJUDP 5HDGDQG0RGLI DWD RQQHFWRU WKH PRQLWRU DQG DGMXVW GHYLFH DV LJXUH LVSOD FRORU FURVV KDWFK SDWWHUQ DW 0RGH 8VH 7 02 6 FRPPDQG WR VHOHFW WKH ULJKW PRGHO LQIR ILOH 8VH 7 1 2 FRPPDQG DQG UHWXUQ WR UHDG WKH DWD 0RGLI WKH DWD LI QHHGHG DQG XVLQJ WR VDYH WKH FKDQJH DQG H LW ULWH DWD LVSOD FRORU FURVV KDWFK SDWWHUQ DW 0RGH 8VH 352...

Страница 16: ...WIRING DIAGRAM 15 P501 P201 P405 P301 P302 G2 P702 P701 T1 P402 P902 S S Signal Cable AC Socket T B F P220 P904 ...

Страница 17: ...HFWLRQ LUFXLW QDPLF 2 86 LUFXLW ULJKWQHVV RQWURO 9 9 9 HHG DFN 9 6 6 6 QF 9 6 QF 3 0 RQWURO 6LJQDO 9 9 7 HDWHU 9 6FUHHQ 9 5 LDV ULYH ULYH 9 30 RQWURO LUFXLW 9 9 9 9 9ROWDJH IHHGEDFN HJDXVVLQJ RLO QDPLF RFXV 6WDWLF RFXV 7 7 RLO 9 9 9 XWR HDP LPLW RQYHUWHU 7 7 5HJXODWLRQ LUFXLW 9 6036 7 9 5 71 66 2175 67 02 5 866 1 9 326 7 21 9 6 63 75 3 2 3 1 1 3 5 2 5 0 527 7 21 7LOW 5 5 6 7 2 25 1 250 7 21 1 8 26...

Страница 18: ...RP WKH V QF SRODULW DQG UHVROXWLRQ IWHU PLFURSURFHVVRU UHDGV WKHVH DGMXVWHG PRGH GDWD VWRUHG DW 3520 LW FRQWUROV RSHUDWLQJ PRGH GDWD WKURXJK 8VHUV FDQ FRQWURO VFUHHQ FRQGLWLRQ E WKH 26 6HOHFW 8S RZQ HIW 5LJKW LW RQYHUWHU LUFXLW 7R REWDLQ FRQVWDQW KLJK YROWDJH WKLV FLUFXLW VXSSOLHV FRQWUROOHG YROWDJH IRU 7 DQG KRUL RQWDO GHIOHFWLRQ FLUFXLW DFFRUGLQJ WR WKH KRUL RQWDO V QF IUHTXHQF RUL RQWDO 6 FRUUH...

Страница 19: ...LILHV WKH YLGHR VLJQDO ZKLFK FRPHV IURP WKH YLGHR SUH DPS FLUFXLW DQG DPSOLILHG LW WR DSSOLHG WKH 7 FDWKRGH 9LGHR 3URFHVVRU LUFXLW 9LGHR SURFHVVRU FLUFXLW FRQVLVWV RI WKH YLGHR GULYH RXWSXW EORFN 7KH YLGHR GULYH UHFHLYHV WKH YLGHR VLJQDO IURP 3 7KH JDLQ RI HDFK FKDQQHO LV FRQWUROOHG E 0 20 WKURXJK 7KH FXW RII FLUFXLW FRPSHQVDWH GLIIHUHQW YROWDJH RI HDFK FKDQQHO EHWZHHQ WKH FDWKRGH DQG WKH RI WKH 7...

Страница 20: ... 2 6 4 6 AT 6 INPUT 6 AT 6 INPUT 1 53 42 5 3 4 5 0 7 2 0 7 2 0 7 2 4 2 42 5 1 1 1 1 42 5 53 3 03 3WITCH 7AVEFORMS 42 5 2 42 5 1 42 5 9 3 9 3 9 3 9 3 1 RAIN ...

Страница 21: ...UBLE IN P301 SIGNAL CABLE PC SIGNAL TROUBLE IN IC302 P301 TROUBLE IN IC303 TROUBLE IN IC304 YES YES YES YES CHECK IC302 PIN 5 6 7 CHECK IC302 PIN 1 24 23 19 20 21 PIN 18 5V CHECK IC303 PIN 1 2 3 PIN8 8V PIN 4 80V CHECK R G B CATHODE VOLTAGE Waveforms 28 27 30 31 4 2 29 ...

Страница 22: ... 3 2 42 4 6 4 4 4 6 4 6 4 6 4 6 0 6 0 0 0 0 7 2 4 2 2 OR 3 2 34 2 3 42 5 42 5 0 3 2 4 4 3 2 42 4 7 3 OR 5 4 2 7 3 42 5 02 29 2 5 4 4 42 5 4 3 4 2 2 9 3 9 3 9 3 6 0 7 2 4 2 2 OR 3 7AVEFORMS ...

Страница 23: ...IN 33 34 SAWTOOTH WAVE CHECK IC601 Pin 3 13V 22 4 NO VERTICAL DEFLECTION NO V DEFLECTION ONE HORIZONTAL LINE NO NO NO TROUBLE IN IC601 V CIRCUIT TROUBLE IN T901 13V Line TROUBLE IN T701 40V line TROUBLE IN IC401 YES YES YES 9 8 7AVEFORMS ...

Страница 24: ...ODE FAILURE INPUT H V SYNC SIGNAL NO NO NO TROUBLE IN T901 or PC CHECK PC PC IS NOT GOING INTO DPM MODE TROUBLE IN X401 IC401 TROUBLE IN power supply TROUBLE IN IC401 NO TROUBLE IN Q941 Q951 Q942 Q952 NO H V SYNC SIGNAL YES YES YES YES DPMS TABLE NORMAR ON ON NORMAL GREEN S LEEP OFF ONE OFF 0V FLASH OFF OFF OFF OFF 0V FLASH H V SYNC VIDEO LED MODE ITEM 0 6 4 3 Waveforms ...

Страница 25: ...VOLTAGE 0 5V CHECK P902 CHECK RL901 CHECK IC401 PIN 4 5V 6 NO DEGAUSSING NO DEGAUSSING NO NO NO NO TROUBLE IN TH901 DEGAUSSING COIL TROUBLE IN IC401 MICOM TROUBLE IN D953 TROUBLE IN P902 TROUBLE IN RL901 YES YES YES YES 24 ...

Страница 26: ...n Failure NO NO NO NO 1 Check IC401 Pins 39 40 41 2 Replace IC401 Check Q720 50V LINE D710 Check Q704 Check 13V line Check and replace T703 and Q706 Check DY connector connection YES YES YES 5 18 19 21 20 Waveforms 8 Invariable H_Size NO Check and replace IC401 Check if DC voltage of IC401 PIN 35 wave is Variable 6 1 ASE 1 OLLECTOR 1 RAIN 1 RAIN ...

Страница 27: ...ROUBLE IN IC401 MICOM TROUBLE IN Q711 Q716 TROUBLE IN L703 TROUBLE IN C722 C723 C726 C729 NO NO NO YES YES YES Cs SIGNAL TABLE HORIZONTAL FREQUENCY fH 30K 33 9K 34K 38 9K 39K 43 9K 44K 48 9K 49K 51 9K 52K 57 9K 58K 61 9K 62K 65 9K 66K 71K Cs1 L L H H H H H H H Cs3 L H L L H H L H H Cs2 L H L L L L H H H ...

Страница 28: ...ltage waveform Q706 Collector is right 27 10 Abnormal H_Size NO NO Repeat the troubleshooting Guide of H_deflection failure Check D D converter circuit Check IC401 B control circuit YES 11 Side Pin or Trap Failure NO 12 Para or Pin Balance Failure Replace IC401 Check and replace IC401 21 6 1 OLLECTOR Waveforms ...

Страница 29: ...lues IC401 Pin 26 output duty varies with different DAC values 13 Tilt Failure Check tilt connector connection Check and replace CRT NO NO Check and replace IC401 Check Q503 Q501 Q502 YES YES 14 V Size or Pos Variation Failure Check and replace IC401 and IC601 NO Check some parts around IC401 YES 28 Waveforms ...

Страница 30: ...ection failure YES YES 16 ABL Failure YES NO Check and replace CRT Input full white pattern to monitor Check P302 D801 R801 803 R798 Check and replace IC302 Check and replace T701 NO YES 29 Q719 Drain Q706 Collector IC302 Pin22 input exists and varies with different patterns T701 Pin 6 Voltage exists 18 Waveforms 21 YES waveform is right Q719 drain ...

Страница 31: ...C401 Pin 24 output are right Q710 and parts around are right 17 Focus Failure NO NO NO Check the connection between FBT Pin 12 CRT Socket PCB Check and replace IC401 Replace failed part Replace failed part YES YES YES 7AVEFORMS 4 22 23 ...

Страница 32: ...ut values are right IC401 Pin 45 and 46 inputs are right IC401 Pin 16 input is over 4 2V 18 Micom Failure 19 OSD Failure NO NO NO NO Done Change IC302 Check Q903 D908 ZD902 Check X401 Check and replace R451 C408 Replace IC401 YES YES YES YES Waveforms ...

Страница 33: ...d replace IC401 Check and replace function key YES 21 Missing Color NO Change the CRT Check signal generator and signal cable NO Refer to 2 No Charcter NO Check and replace IC303 and IC304 NO Check C341 C346 and G2 wire Check around FBT circuits also YES YES YES YES 32 Proper AC voltage are on all cathodes Proper DC voltage are on all cathodes G2 voltage is right ...

Страница 34: ...ible Retrace Check white balance adjustment NO NO NO Done Check G2 control volume and FBT Check IC302 and related components Check Q799 and related components YES YES YES 33 Degaussing circuit is right Purity is right 23 Purity Failure Degaussing YES NO Replace CRT and verify purity Done Refer to 6 NO Degaussing NO YES ...

Страница 35: ...Done Change CRT and readjust convergence Yes Done No 25 Poor Focus Adjust focus VR Check focus leads from FBT to CRT Socket Check the CRT Socket YES Aging monitor and check for focus change NO Refer to 18 Dynamic Focus Failure NO Replace the CRT and verify focus YES 34 Dynamic focus circuit is right ...

Страница 36: ... 35 EXPLODED VIEW 2 5 6 12 11 11 B A 8 9 10 13 13 1 16 15 14 3 4 7 a b c b ...

Страница 37: ...RAND KLCNST 8 6174T11006C FBT FLY BACK TRANSFORMER C93 BSC25 1458 FUJIAN FURI HITACHI 17 70KHZ FLAT 9 6620TKB002B SOCKET CIRC POWER SA 4S HUA JIE AC UNIVERSAL 3PIN BLACK 10 6850TA9012A CABLE D SUB UL20276 9C 5 8MM AT 1560MM GRAY 85964 T710BJ DM 11 4930TKK031C HOLDER PCB FIX PC ABS 12 4950TKK368A METAL 13 332 102E SCREW DRAWING D4 0 L16 0 MSWR FZMY 14 4810TKK204H BRACKET 700BK HOLDER FBT 15 4930TKK...

Страница 38: ...SD 16V M FM5 TP 5 C415 0CK2220K515 2200P 50V K B TS C416 0CQ1031N409 0 01U 100V J POLY TP C417 0CK1040K945 0 1UF 50V Z F TR C419 0CQ2221N409 2200PF 100V J PE TP C420 0CQ6831N509 0 068U 100V K POLY TP C421 0CK1020K515 1000PF 50V K B TR C422 0CK2220K515 2200P 50V K B TS C423 0CK2220K515 2200P 50V K B TS C424 0CE475CK638 4 7UF SHL SD 50V M FM5 TP 5 C426 0CK4710K515 470PF 50V K B TR C427 0CK4710K515 4...

Страница 39: ... DO34 100V 75VA 2000MA 4NSEC 0 025UA D403 0DSPT00029A 1N4148M PCTRONIX TP DO34 100V 75VA 2000MA 4NSEC 0 025UA D406 0DSPT00019A PSS244 PCTRONIX TP DO34 280V 625MA 1000MA 50NSSEC 10UA D501 0DSPT00029A 1N4148M PCTRONIX TP DO34 100V 75VA 2000MA 4NSEC 0 025UA D702 0DRGF00120A MUR460 15MM GULF BK DO201AD 600V 4A 150A 45NSSEC 10UA D703 0DRGF00120A MUR460 15MM GULF BK DO201AD 600V 4A 150A 45NSSEC 10UA D70...

Страница 40: ...SUNG 2550MM AXIAL52MM FB310 6210TCE003A BRD3510B BO SUNG 3510MM RADIAL FB313 6210TCE003J BAS2550T BO SUNG 2550MM AXIAL52MM FB701 6210TCE003L BAS3580T BO SUNG 3580MM AXIAL52MM FB903 6210TCE003P BRS2550B BO SUNG 2550MM RADIAL FB905 6210TCE003J BAS2550T BO SUNG 2550MM AXIAL52MM FB906 6210TCE003P BRS2550B BO SUNG 2550MM RADIAL FB921 6210TCE003A BRD3510B BO SUNG 3510MM RADIAL FB922 6210TCE003A BRD3510B...

Страница 41: ...R442 0RN3901F409 3 90K 1 6W 1 TA52 R443 0RD2200Q609 220 1 4W 3 5 TA52 R444 0RD4700Q609 470 OHM 1 4 W 3 4 5 TA52 R445 0RD4700Q609 470 OHM 1 4 W 3 4 5 TA52 R446 0RD1000Q609 100 1 4W 3 5 TA52 R447 0RD1000Q609 100 1 4W 3 5 TA52 R449 0RN7501F409 7 50K 1 6W 1 TA52 R450 0RD1203Q509 120K OHM 1 4 W 3 4 2 TA52 R451 0RD1001Q609 1K 1 4W 3 5 TA52 R452 0RD1501Q609 1 50K 1 4W 3 5 TA52 R453 0RD2001Q609 2K 1 4W 3 ...

Страница 42: ... 70K 1 4W 3 5 TA52 R956 0RD6802A609 68K OHM 1 2 W 7 0 5 TA52 R957 0RD0472A609 47 OHM 1 2 W 7 0 5 TA52 R960 0RD6200A609 620 OHM 1 2 W 7 0 5 00 TA52 OTHERs F1 430 858C AFC 520 BAE EUN TA F2 430 858C AFC 520 BAE EUN TA F901 0FZZTTH001B TIME LAG HBC 5A 250V 215 005 LITTELFUSE FB201 0RD0101Q609 1 1 4W 3 5 TA52 L311 0LA0560K119 0 56UH K 2 3 3 4 TP L312 0LA0560K119 0 56UH K 2 3 3 4 TP L313 0LA0560K119 0 ...

Страница 43: ......

Страница 44: ...3 3 4 3 3 4 2 4 5 2 4 2 0 E D I 3 T N E N O P M O 2 2 4 E D I 3 R E D L O 3 2 2 4 E D I 3 T N E N O P M O 2 E D I 3 R E D L O 3 2 ...

Страница 45: ...Feb 2005 P NO 3828TSL110E Printed in China ...

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