LG CN29H90 Скачать руководство пользователя

Страница: 20 / 25

- 2 -

2. No Power

Plug in after pull out the Power Cord.

Check the voltage of C829 (B+)

No Power

POWER ON at St-By.

Check D826.

Check the voltage of C809.

Check the voltage at pin 9 of IC801.

Check IC801 and peripheral

components.

Check the voltage (B+) of C829.

POWER ON

POWER LATCH

No POWER ON.

Check the B+ voltage

Check R804, R807,

R812.

Check the voltage at pin

39 of IC001.

Check the voltage of

Q803 collector.

Check IC802, IC803.

Check Fuse and D801.

Check R805, R806.

Check Q800, ZD808.

Check secondary short.

Check IC804, D809

(5.6V Regulator)

Check IC004

(Reset IC)

Check

Q802~4,

ZD828

R825, R826

Check Q800, ZD808, D806, C811

Check IC802, IC803.

Check the voltage at pin 64 of IC001.

Check the voltage at pin 29 of IC001.

Check the waveform at pins 30

and 31 of IC001.

Check X001 and replace IC001.

ST-by

normal

38~42V

120V

normal

abnormal

(ST-by Vcc)

abnormal

ST-by : 38-42V
NORMAL : 120V

about 1.4times of AC input voltage

ST-by : 6.5V
NORMAL : 8.5V

NORMAL

ST-by : 0V (Low)
NORMAL : 5V (High)

abnormal

ST-by : 0V
NORMAL : 80V

OVP operation

Reset voltage

X-TAL

u-COM Vcc

Содержание CN29H90

Страница 1: ... to enter the deflection set up mode 3 Press CH Up Down to select adjustment item 4 Press VOL Up Down to change Data 3 1 Horizontal Position HPOS Select VP 1 HPOS and adjust until left and right side of screen is equal 3 2 Vertical Position VPOS Select VP 2 VPOS and adjust until the mechanical center of CPT and the center of screen coincides 3 3 Vertical Size VSIZE Select VP 3 VSIZE and the center...

Страница 2: ...mpletely forward 5 Reconnect the internal degaussing coil 6 Position the beam bender locking rings at the 9 o clock position and the other three pairs of tabs 2 4 and 6 pole magnets at the 12 o clock position 7 Perform the following steps in the order given to prepare the receiver for the purity adjustment procedure a Face the receiver in the magnetic north direction b Externally degauss the recei...

Страница 3: ... the internal degaussing coil 9 Turn on the receiver connect a signal generator to the VHF antenna terminal and apply a crosshatch signal Caution During the convergence adjustment procedure be very careful not to disturb the purity adjustment tabs are accidentally move purity should be confirmed before proceeding with the convergence adjustments Note Make sure the focus is set correctly on this in...

Страница 4: ... and blue horizontal lines Fig upper right 17 Temporarily place a rubber wedge at the 5 o clock and 7 o clock positions to hold the horizontal position of the yoke 18 Check the 3 o clock and 9 o clock areas to confirm that the red and blue vertical lines are converged If the lines are not converged slightly offset the horizontal tilt of the yoke move the temporary rubber wedges if necessary to equ...

Страница 5: ...BLOCK DIAGRAM 1 ...

Страница 6: ...112 102 913 150 153 170 510 540 502 530 560 420 123 122 400 410 520 551 503 550 950 943 121 340 315 300 700 360 370 200 125 354 350 351 935 120 124 104 301 EXPLODED VIEW 1 ...

Страница 7: ...00007D FRAME ASSY 315 3580V00005A DOOR A V 340 5020V00139A BUTTON POWER ASSY 350 3750V00002A RACK SWIVEL 351 3508V00058A DECORATION ASSY 354 4980V00035A SUPPORTER BASE SWIVEL C A 360 6871VSN023A PWB ASSY FRONT AV 370 6871VSN024A PWB ASSY POWER LED NC 71A 400 3809V00034D BACK COVER ASSY 410 4811V00002A BRACKET ASSY S WOOFER FRONT 420 4811V00002D BRACKET ASSY S WOOFER 502 450 A17A ADAPTER ANT RF 503...

Страница 8: ... KTC3198 TP Y KTC1815 KEC TR KTC3198 TP Y KTC1815 KEC LOCA NO PART NO DESCRIPTION Q298 Q299 Q401 Q402 Q403 Q404 Q405 Q504 Q505 Q506 Q510 Q511 Q512 Q513 Q514 Q515 Q516 Q517 Q518 Q519 Q601 Q602 Q660 Q661 Q800 Q801 Q802 Q803 Q804 Q805 Q806 Q901 Q902 Q910 Q911 Q912 Q913 Q914 Q920 Q921 Q922 Q923 Q924 Q930 Q931 Q932 Q933 Q934 Q988 Q989 Q997 0TR319809AA 0TR126609AA 0TR223800AA 0TR187900AA 0TR126609AA 0TR...

Страница 9: ...2 D943 D944 D945 D946 D988 D989 D991 D992 D993 D994 D995 D998 D999 L899 ZD1061 ZD161 ZD162 ZD171 ZD172 ZD210 ZD211 ZD213 ZD214 ZD339 ZD349 ZD401 ZD501 ZD502 ZD503 ZD504 ZD505 D801 ZD808 ZD828 C003 C005 C007 C008 C009 C010 C011 C012 C013 C014 0DD247109AA 0DD247109AA 0DD247109AA 0DD247109AA 0DD247109AA 0DD247109AA 0DD247109AA 0DS124409AA 0DS124409AA 0DS124409AA 0DS124409AA 0DS124409AA 0DS124409AA 0D...

Страница 10: ...TIC 220UF STD 16V M C ELECTROLYTIC 47UF STD 16V M C ELECTROLYTIC 220UF STD 16V M C ELECTROLYTIC 1UF SM 50V M LOCA NO PART NO DESCRIPTION C113 C12S C120 C121 C124 C125 C13S C130 C135 C14S C142 C143 C145 C15S C157 C158 C159 C16S C160 C161 C162 C163 C163 C164 C165 C165 C166 C166 C167 C168 C169 C169 C17S C172 C172 C173 C174 C174 C175 C176 C178 C18 C18S C181 C183 C184 C19 C19S C196 C2 C20S C201 C202 C2...

Страница 11: ...CTROLYTIC 22UF STD 16V M C ELECTROLYTIC 22UF STD 16V M C POLYESTER MYLAR 0 0033U 100V K C CERAMIC HIGH DIELE 0 01MF 50V Z C ELECTROLYTIC 1000UF STD 25V M LOCA NO PART NO DESCRIPTION C339 C34S C346 C347 C348 C349 C35S C36S C37 C38S C39 C39S C40S C401 C402 C403 C405 C41S C410 C414 C415 C42 C42S C422 C424 C425 C43S C430 C431 C432 C433 C435 C437 C438 C44 C44S C442 5 C446 C447 C449 C45S C453 C46 C48 C5...

Страница 12: ... ELECTROLYTIC 4 7UF STD 50V M C POLYESTER MYLAR 0 1UF S 50V J C ELECTROLYTIC 22UF STD 16V M C ELECTROLYTIC 220UF STD 16V M LOCA NO PART NO DESCRIPTION C614 C615 C616 C617 C619 C621 C621 C622 C623 C637 C64 C648 P C649 C65 C660 C661 C662 C663 C664 C665 C666 C667 C668 C669 C670 C671 C672 C673 C674 C675 C676 C677 C678 C679 C68 C680 C681 C682 C683 C684 C685 C686 C687 C688 C69 C690 C692 C693 C694 C695 C...

Страница 13: ...LECTROLYTIC 4 7UF STD 250V M C ELECTROLYTIC 100UF STD 16V M C TUBULA HIGH DIELE 0 1M 50V Z C TUBULA HIGH DIELE 0 1M 50V Z C TUBULA HIGH DIELE 2200P 16V M C TUBULA HIGH DIELE 220PF 50V K C TUBULA HIGH DIELE 0 01MF 16V M C CERAMIC HIGH DIELE 100PF 500V K C TUBULA HIGH DIELE 2200P 16V M LOCA NO PART NO DESCRIPTION C921 C923 C924 C930 C931 C933 C934 C970 C971 C972 C979 C98 C981 C985 C986 C987 C990 C99...

Страница 14: ...07 P1 P3A P301A P502A P803A P804A P907A JA209 P1 P2 P202 P205 P206 D996 J300 J411 L006 R001 R002 R003 R004 R005 R006 R007 R008 R009 R010 R011 R012 R013 R014 R015 R016 R017 R018 R019 R020 R021 R022 R023 R024 R025 R027 R028 R029 R032 R033 R034 R035 R036 387 907D 387 A06J 387 A10D 387 812L 387 A10H 387 812F 387 812F 387 A07F 380 363B 341 768H 380 068B 380 363B 380 389B 380 068B 0RD0222F609 0RD6201F60...

Страница 15: ...BON FILM 220 1 6W 5 R CARBON FILM 330 1 6W 5 R CARBON FILM 300K 1 6W 5 R CARBON FILM 12K 1 6W 5 LOCA NO PART NO DESCRIPTION R094 R095 R096 R097 R098 R099 R1 R100 R101 R102 R103 R104 R105 R106 R1061 R1062 R1067 R1068 R107 R108 R109 R111 R114 R124 R15S R16S R161 R162 R164 R165 R166 R168 R169 R17S R170 R171 R173 R174 R175 R176 R179 R180 R182 R183 R184 R185 R186 R189 R19S R2 R20S R202 R203 R205 R206 0...

Страница 16: ...1 R CARBON FILM 8 2K 1 6W 5 R RNF RND S CR 2W 1 0 J R CARBON FILM 18K 1 6W 5 R RNF RND S CR 2W 1 4 J LOCA NO PART NO DESCRIPTION R4 R400 R401 R402 R403 R404 R405 R406 R416 R418 R419 R423 R434 R435 R436 R437 R438 R439 R441 R443 R446 R448 R501 R502 R503 R504 R505 R506 R507 R508 R509 R510 R511 R512 R513 R514 R515 R516 R517 R519 R520 R522 R523 R524 R525 R526 R527 R528 R529 R530 R531 R533 R534 R535 R53...

Страница 17: ...E 3 3 1 2W 5 R CARBON FILM 300 1 6W 5 R CARBON FILM 1 8K 1 6W 5 R CARBON FILM 1 8K 1 6W 5 LOCA NO PART NO DESCRIPTION R666 R667 R668 R669 R670 R671 R672 R673 R674 R675 R676 R677 R678 R679 R680 R681 R682 R683 R684 R685 R686 R687 R688 R689 R690 R691 R692 R695 R701 R704 R719 R728 R802 R803 R804 R805 R806 R807 R808 R809 R810 R811 R812 R813 R814 R815 R816 R818 R820 R821 R822 R823 R824 R825 R826 0RD2201...

Страница 18: ... 6W 5 R CARBON FILM 100 1 6W 5 R CARBON FILM 1 0K 1 6W 5 R CARBON FILM 270K 1 2W 5 R CARBON FILM 510 1 6W 5 R METAL FILM OXIDE 22 1 2W 5 R CARBON FILM 56 1 6W 5 R CARBON FILM 6 8K 1 2W 5 R CARBON FILM 68K 1 2W 5 TA52 R CARBON FILM 4 7K 1 2W 5 R CARBON FILM 10 1 6W 5 R CARBON FILM 150 1 2W 5 R CARBON FILM 2 7 1 2W 5 R METAL FILM OXIDE 22 1 2W 5 R CARBON FILM 56 1 6W 5 R CARBON FILM 6 8K 1 2W 5 R CA...

Страница 19: ... V SW Check the waveform fs0 at pin 11 of IC702 Replace IC702 Check the waveform at pin 1 of IC701 Replace IC701 Check the in output of IC501 Replace IC501 Check the voltages MB 30V and 5V of TU102 Repair Power Circuit Check Power Circuit Check U COMSDA SCL Check ZD161 and ZD162 Replace TU102 Check R G B output of IC501 Check FBT B Check CPT Board Yes Normal Normal Normal Normal Normal Normal 0V N...

Страница 20: ...d D801 Check R805 R806 Check Q800 ZD808 Check secondary short Check IC804 D809 5 6V Regulator Check IC004 Reset IC Check Q802 4 ZD828 R825 R826 Check Q800 ZD808 D806 C811 Check IC802 IC803 Check the voltage at pin 64 of IC001 Check the voltage at pin 29 of IC001 Check the waveform at pins 30 and 31 of IC001 Check X001 and replace IC001 ST by normal normal normal normal A 38 42V 0V 120V B C D E 0V ...

Страница 21: ... the peripheral circuit of U COM Check R339 and D339 Check R349 and D349 normal normal normal normal abnormal abnormal Pin1 14V Pin6 14V abnormal V rampwaveform abnormal 5 No Sound Check L R output of sound PROC Pack Check pins 1 and 3 of P602A Check IC660 and C661 Replace SOUND PROC Board AudioAmp No Check pin 8 of P601A Yes No 4 Horizontal rolls Check D408 Short open Check C442 Check Q404 Q405 a...

Страница 22: ... IC001 Replace IC001 R081 R088 R509 R512 normal Yes H Sync V Sync waveform OSDOSC OSDoutput OSDOSC µ COM No abnormal abnormal abnormal normal normal OSDIN 8 Auto Program Error Check the voltage at pin 10 of IC004 With signal 0V No signal 12V Check the voltage at pin 5 of IC001 Check pin 6 of IC004 and it s peripheral circuit normal abnormal 7 Sync error Check the waveform at pin 43 and 44 of IC501...

Страница 23: ... 5 9 Swivel Error Check pins 1 and 2 of P004 Check the voltage at pin 5 of P004 Check the voltage of C836 normal abnormal Check and replace the driver of Swivel Pannel Check R073 076 normal abnormal ...

Страница 24: ...AUDIO VIDEO Y C ...

Страница 25: ......

Результаты поиска

Содержание CN29H90

Отзывы:

Похожие инструкции для CN29H90

Бренды по названию

Популярные бренды

LG CN29H90, Инструкция по настройке

Результаты поиска

Содержание CN29H90

Отзывы:

Похожие инструкции для CN29H90

Бренды по названию

Популярные бренды