Toshiba 32AF44 Скачать руководство пользователя страница 13

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SETTING & ADJUSTING DATA

CHAPTER 2

SPECIFIC INFORMATIONS

Table-1

SAFETY INSTRUCTIONS

SERVICE MODE

ADJUSTING ITEMS AND DATAS IN THE SERVICE MODE:

RCUT

GCUT

BCUT

GDRV

BDRV

SCNT

BRTC

COLC

TNTC

SAVC

ATT

STVC

STRF

SPEC

WBAN

HPOS

VPOS

40H

0AH

40H

3AH

44H

20H

16H

03H

Item

Name of adjustment

Preset

Data

R CUTOFF

G CUTOFF

B CUTOFF

G DRIVE

B DRIVE

SUB-CONTRAST

SUB-BRIGHT

SUB-COLOR

SUB-TINT

SAP VCO

ATTENUATOR

STEREO VCO

STEREO FILTER

SPECTRAL

STEREO SEPARATION

HORIZ. POSITION

VERT. POSITION

Item

Name of adjustment

Preset

HIT

LIN

VSC

VPS

VCP

WID

DPC

CNR

TRAP

HCP

VFC

PCOL

PHUE

PGOF

PROF

PBOF

RGBB

HEIGHT

V-LINEARITY

V-S CORRECTION

V-SHIFT

V-COMPENSATION

PICTURE WIDTH

E-W PARABOLA (DPC)

E-W CORNER

TRAPEZIUM

H-COMPENSATION

V-F CORRECTION

PIP COLOR

PIP TINT

PIP

RGB BRIGHT

20H

08H

04H

01H

03H

17H

0CH

02H

06H

00H

0FH

11H

36H

17H

0BH

←

08H

04H

←
←

17H

0CH

02H

06H

←
←
←
←
←
←
←
←

←
←
←
←
←
←
←
←
←
←
←
←
←
←
←
←
←

Table-2

DESIGN MODE

ADJUSTING ITEMS AND DATAS IN THE DESIGN MODE:

Item

Name of adjustment

Preset Data

Data

Remarks

Table-3

CIRCUIT CHECKS

Table-4

Data

OPT1

OPTION1

84H

OPT2

OPTION2

01H

32"

HIGH VOLTAGE AT ZERO BEAM:

(A)

32.7kV

MAX HIGH VOLTAGE:

(B)

34.1kV

32"

FAIL SAFE DET. VOLTAGE

(C)

22.35 V

Содержание 32AF44

Страница 1: ...SERVICE MANUAL Color Television 32AF44 32AFX54 N4NS Chassis FILE NO 020 200402 ...

Страница 2: ...LECTRICAL ADJUSTMENT 10 CIRCUIT CHECKS 12 CHAPTER 2 SPECIFIC INFORMATIONS SETTING ADJUSTING DATA 13 LOCATION OF CONTROLS 14 PROGRAMMING CHANNEL MEMORY 16 CHASSIS AND CABINET REPLACEMENT PARTS LIST 17 PC BOARDS BOTTOM VIEW 28 TERMINAL VIEW OF TRANSISTORS 38 CIRCUIT BLOCK DIAGRAM 40 SPECIFICATIONS END APPENDIX CIRCUIT DIAGRAM ...

Страница 3: ... potential shock hazard and must be corrected im mediately WARNING Service should not be attempted by anyone unfa miliar with the necessary precautions on this receiver The fol lowing are the necessary precautions to be observed before servicing this chassis 1 An isolation Transformer should be connected in the power line between the receiver and the AC line before any serv ice is performed on the...

Страница 4: ...green raster shift the deflection yoke from a foremost position hitting against the picture tube to a backward position horizontally stop the deflection yoke at a position where it begins to become a green raster and perform accurate marking on the picture tube 7 Shift the deflection yoke further backward and perform accurate marking at a position where the green raster begins to being luck 8 Fix ...

Страница 5: ...blue mark Insert the correction piece between the picture tube and the deflection yoke Insertion position of correction piece Bonded surface blue green red Parts code 23 948 464 Bonded surface Adjust VR 1 and minimize the deviation of YH Only 27 30 and 32 Red green blue Red green blue Red green blue Red green blue Adjust VR 2 YHC and minimize the deviation of YH Red green blue Red green blue Red g...

Страница 6: ...enu provides special functions A single horizontal line ON OFF TV ANT VIDEO button on TV Test signal selection TV ANT VIDEO button on Remote Selection of the adjustment items Channel s t on TV or Remote Change of the data value Volume s t on TV or Remote Adjustment menu mode ON OFF MENU button on TV Initialization of the memory QA02 RECALL Channel button on TV s Initialization of the self diagnost...

Страница 7: ...essary adjust any adjustment item above Perform Programming Channel Memory on the owner s manual CAUTION Never attempt to initialize the data unless QA02 has been replaced 7 TEST SIGNAL SELECTION 1 Every pressing of TV VIDEO button on the Remote Control in the Service mode changes the built in test patterns on screen in the following order Normal picture Black cross bar on green raster Red raster ...

Страница 8: ...e model Part number of microprocessor QA01 Operation number of protection circuit current limiter 000 is normal BUS line check OK Normal NG SCL GND or SAD GND short circuit BUS line ACK acknowledge check OK Normal Display of Location Number NG Display example QA02 NG H001 NG Q501 NG etc Note The indication of failure place is only one place though failure places are plural When repair of a failure...

Страница 9: ...items in the order of table 3 s button for reverse order Refer to table 3 for data of design mode See SETTING ADJUSTING DATA on page 13 3 ADJUSTING THE DATA Pressing of VOLUME s or t button will change the value of data When QA02 is initialized items OPT0 and OPT1 and OPT2 of DESIGN MODE are set to the data of the representative model of this chassis family Therefore because ON SCREEN specificatio...

Страница 10: ...onnect oscilloscope to base of Q906 on CRT D board 4 Enter the service mode then select COLC 5 Adjust the SUB COLOR by pressing the VOLUME s or t button to achieve about 1V0 p of blue bar 6 Select TNTC register 7 Adjust the data value to obtain the blue bar to magenta bar ratio of 3 2 as shown 8 Select COLC register 9 Adjust the data value to achieve 1 8V0 p of blue bar on scope 10 Check the pictu...

Страница 11: ...justment mode display and press the TV VIDEO button on Remote until the white and black pattern appears on the screen 3 Adjust the following item with the CHANNEL s t and VOLUME s t buttons 4 Press the TV VIDEO button on TV to display a single horizontal line on the screen 5 Turn the SCREEN control FBT fully counterclockwise and gradually rotate clockwise until the first horizontal line appears sl...

Страница 12: ...controls to minimum zero beam current 3 High voltage must be measured below B kV Refer to table 1 for high voltage B See SETTING ADJUSTING DATA on page 13 4 Vary the BRIGHTNESS control to both extremes to be sure the high voltage does not exceed the limit under any con ditions FS CIRCUIT CHECK The Fail Safe FS circuit check is indispensable for the final check in servicing Checking should be done ...

Страница 13: ...IZ POSITION VERT POSITION Item Name of adjustment Preset HIT LIN VSC VPS VCP WID DPC CNR TRAP HCP VFC PCOL PHUE PGOF PROF PBOF RGBB HEIGHT V LINEARITY V S CORRECTION V SHIFT V COMPENSATION PICTURE WIDTH E W PARABOLA DPC E W CORNER TRAPEZIUM H COMPENSATION V F CORRECTION PIP COLOR PIP TINT PIP PIP PIP RGB BRIGHT 20H 08H 04H 01H 03H 17H 0CH 02H 06H 00H 0FH 0FH 11H 36H 17H 17H 0BH 08H 04H 17H 0CH 02H...

Страница 14: ...zy ANT 75 ANT 1 OUT IN S VIDEO VIDEO VIDEO 1 VIDEO 2 L MONO AUDIO R DVD IN PR PB Y COLOR STREAM INPUT L AUDIO R L MONO AUDIO R VIDEO VAR FIX ANT 75 OUT IN S VIDEO VIDEO VIDEO 1 VIDEO 2 L MONO AUDIO R DVD IN PR PB Y COLOR STREAM INPUT L AUDIO R L MONO AUDIO R VIDEO TV back VIDEO 2 IN ColorStream component video IN ANT IN VIDEO 1 IN A V OUT LOCATION OF CONTROLS Representative 32AF44 Front View Rear ...

Страница 15: ...l memory only TV VIDEO 21 EXIT 18 VOLUME st st T S 18 MENU 18 Channel numbers 20 POWER Device Switch 15 17 Set to TV to control the TV CHANNEL st 20 Access channels programmed into the TV s memory only VCR or DVD functions 17 SLEEP 40 MUTE 36 PIC SIZE 22 CH RTN channel return 23 Remote Control ...

Страница 16: ...he TV is cycling through the channels the message CH PROGRAM appears 6 When channel programming is complete the message CH PROGRAMMING COMPLETED appears 7 Press CHANNEL y or z to view the programmed channels Adding and erasing channels manually After you automatically program the channels into the channel memory see previous page you can manually add or erase specific channels To manually add or e...

Страница 17: ... FILM 100V 0 027UF J C305 24617915 ELECTROLYTIC 50V 1UF K 3A LI C306 24073059 ELECTROLYTIC 25V 3300UF M 3A C308 24668221 ELECTROLYTIC 35V 220UF M 3A C309 24436101 CERAMIC DISC 50V SL 100PF J C310 24766102 ELECTROLYTIC 50V 1000UF M C311 24214152 CERAMIC DISC 500V B 1500PF K C313 24082057 PLASTIC FILM 100V 0 22UF J C314 24436680 CERAMIC DISC 50V SL 68PF J 24436680 CERAMIC DISC 50V SL 68PF J C315 241...

Страница 18: ... K C891 24503041 PLASTIC FILM 63V 0 1UF J C893 24092339 CERAMIC DISC 2KV 330PF K C896 24794471 ELECTROLYTIC 16V 470UF M C897 24794222 ELECTROLYTIC 16V 2200UF M C902 24092353 CERAMIC DISC 2KV 4700PF K C904 24436331 CERAMIC DISC 50V SL 330PF J C905 24436331 CERAMIC DISC 50V SL 330PF J C907 24436331 CERAMIC DISC 50V SL 330PF J C909 24679220 ELECTROLYTIC 250V 22UF M 3A C910 24797478 ELECTROLYTIC 50V 0...

Страница 19: ... 24105331 CERAMIC CHIP 50V CH 330PF J CM58 24539104 PLASTIC FILM 50V 0 1UF J CR01 24100104 CERAMIC CHIP 25V F 0 1UF Z CR02 24100104 CERAMIC CHIP 25V F 0 1UF Z CR03 24100104 CERAMIC CHIP 25V F 0 1UF Z CS02 24797229 ELECTROLYTIC 50V 2 2UF M CS04 24797229 ELECTROLYTIC 50V 2 2UF M CS05 24797100 ELECTROLYTIC 50V 10UF M CS06 24797100 ELECTROLYTIC 50V 10UF M CS14 24797229 ELECTROLYTIC 50V 2 2UF M CS16 24...

Страница 20: ... METAL FILM 1 20W 100 OHM J R208 24011101 CHIP METAL FILM 1 20W 100 OHM J R209 24011101 CHIP METAL FILM 1 20W 100 OHM J R216 24366223 CARBON FILM 1 6W 22K OHM J R219 24366223 CARBON FILM 1 6W 22K OHM J R227 24366682 CARBON FILM 1 6W 6 8K OHM J R228 24366333 CARBON FILM 1 6W 33K OHM J R238 24011473 CHIP METAL FILM 1 20W 47K OHM J R239 24011224 CHIP METAL FILM 1 20W 220K OHM J R240 24011562 CHIP MET...

Страница 21: ... OHM J R740 24366620 CARBON FILM 1 6W 62 OHM J R741 24366279 CARBON FILM 1 6W 2 7 OHM J R742 24366279 CARBON FILM 1 6W 2 7 OHM J R743 24554221 OXIDE METAL FILM 2W 220 OHM J R744 24366122 CARBON FILM 1 6W 1 2K OHM J R745 24366122 CARBON FILM 1 6W 1 2K OHM J R803 24004943 METAL FILM 1W 0 12 OHM J R808 24019493 THERMISTOR PTC AC140V 1 5 OHM M R810 24569828 CERAMIC COVERED G 10W 0 82 K R814 24366122 C...

Страница 22: ...M 1 20W 1K OHM J RA27 24011102 CHIP METAL FILM 1 20W 1K OHM J RA33 24011103 CHIP METAL FILM 1 20W 10K OHM J RA35 24011102 CHIP METAL FILM 1 20W 1K OHM J RA36 24011103 CHIP METAL FILM 1 20W 10K OHM J RA37 24011331 CHIP METAL FILM 1 20W 330 OHM J RA38 24011331 CHIP METAL FILM 1 20W 330 OHM J RA40 24011101 CHIP METAL FILM 1 20W 100 OHM J RA41 24011101 CHIP METAL FILM 1 20W 100 OHM J RA61 24011103 CHI...

Страница 23: ...IP METAL FILM 1 20W 22K OHM J RS70 24011104 CHIP METAL FILM 1 20W 100K OHM J RS71 24011104 CHIP METAL FILM 1 20W 100K OHM J RS101 24011123 CHIP METAL FILM 1 20W 12K OHM J RS102 24011123 CHIP METAL FILM 1 20W 12K OHM J RS105 24011222 CHIP METAL FILM 1 20W 2 2K OHM J RS107 24011473 CHIP METAL FILM 1 20W 47K OHM J RS108 24011473 CHIP METAL FILM 1 20W 47K OHM J RS109 24011433 CHIP METAL FILM 1 20W 43K...

Страница 24: ...X6 4X8 60MMH 0 5A LV99 23103159 FILTER EMI TEM2028AA 7 5X6 4X8 60MMH 0 5A LZ01 23289840 COIL PEAKING TRF4100AT LZ02 1 23103880 COIL CHOKE TEM2011Y LZ04 1 23103880 COIL CHOKE TEM2011Y LZ05 1 23238714 COIL PEAKING TRF4100AJ LZ06 1 23103906 FILTER CHIP BEAD INDUCTOR TEM2118AS LZ07 1 24000445 CHIP JUMPER 1608TYPE LZ08 1 23238707 COIL PEAKING TRF4390AJ LZ09 1 23289840 COIL PEAKING TRF4100AT LZ20 232387...

Страница 25: ... 23314965 TRANSISTOR KTC3198 Y QZ01 1 23000559 IC TC90A49F ELP QZ04 23314965 TRANSISTOR KTC3198 Y QZ05 23314962 TRANSISTOR KTA1266 Y QZ06 23314965 TRANSISTOR KTC3198 Y QZ08 23314962 TRANSISTOR KTA1266 Y QZ14 23314962 TRANSISTOR KTA1266 Y QZ20 23314965 TRANSISTOR KTC3198 Y QZ23 23314962 TRANSISTOR KTA1266 Y QZ030 2 23000282 IC R1121N 23000282L NI TOUITSU QZ210 23314475 TRANSISTOR 2SC2712 Y QZ220 23...

Страница 26: ...PER 1608TYPE GJ85 24503053 PLASTIC FILM 63V 1UF J GR01 24011470 CHIP METAL FILM 1 20W 47 OHM J GR02 24011101 CHIP METAL FILM 1 20W 100 OHM J GR03 24011101 CHIP METAL FILM 1 20W 100 OHM J GRV60 24000445 CHIP JUMPER 1608TYPE J997A 23960136 ADHESIVE SILICONE TSE3843 W J998A 23960136 ADHESIVE SILICONE TSE3843 W J999A 23960136 ADHESIVE SILICONE TSE3843 W JR001 24000445 CHIP JUMPER 1608TYPE U902 2400057...

Страница 27: ... CERAMIC TRAP TCF1121AM PC BOARD ASSEMBLIES U001 23762128 PC BOARD ASSY IF 32AFX54 PD1022A IF U801 1 23762142 PC BOARD ASSY MAIN 32AF44 PD1765A MAIN 2 23762051 PC BOARD ASSY MAIN 32AFX54 PD1765 MAIN U901 1 23762145 PC BOARD ASSY CRT D 32AF44 PD1764A CRT D 2 23762050 PC BOARD ASSY CRT D 32AFX54 PD1764 CRT D U902 1 23762143 PC BOARD ASSY SUB 32AF44 PD1766A SUB 2 23762052 PC BOARD ASSY SUB 32AFX54 PD...

Страница 28: ...04 R455 L889 CR01 R2708 R262 CR02 RR07 L888 C482 C832 R264 D430 R317 C843 D221 C838 R261 R490 R216 C223 C896 D201 R263 R209 C323 R4468 D409 R316 G040 R245 C325 L893 C221 D473 C889 R2712 C431 R328 C407 C483 C245 R2706 R4461 R207 C261 L2704 R457 C263 Q501 R361 C582 R203 R4462 R803 Q201 C220 R239 D319 Q4460 R2705 C213 Q831 Q403 Q830A C510 C318 R458 C2701 C886 D2701 C262 Q481 C837 C216 C315 C511 C834 ...

Страница 29: ...1 1 H001 CV39 R LV01 DV46 RV12 G LV02 GJV02 CS62 QV05 QV10 RB65 RS10 CS49 RS43 CS70 RS41 CS42 CB41 CV05 CV09 QV01 RS44 QS60 RS26 RV20 CV31 RB67 CS43 DV19 CS47 RS42 C106 RV04 D615 RW03 RV13 CV61 CS44 DV09 CV41 RS14 R615 RV24 CS14 D101 Q613 CB61 CZ18 L101 CS02 RS40 RS04 CS46 CS48 C615 QB62 CB64 QB60 C105 CB65 CV15 GJV01 CS25 C107 CB60 G101 RB63 CS26 R616 DV27 CV38 RW02 RB64 CV27 PA01A CS05 RV17 RV02...

Страница 30: ...1 UA01A BOTTOM FOIL SIDE 23547629 PP01 TCI A7S KB01 SA05 POWER DB03 RB12 B QB11 VOL UP SA03 SA01 CH UP CH DN SA02 SA04 VOL DN QB03 RA73 DB05 CB01 RB13 RB11 RB03 RA71 RA72 DB01 DB01A E B E BB16B SA07 VIDEO SA06 MENU SA08 DEMO 1 2 3 4 5 6 7 8 32 33 ...

Страница 31: ...RS101 RD49 CD58 RS611 CD42 CD57 CD59 RS105 QS101 GRS91 RS109 CS115 RD86 RV19 GRS92 CD54 QD81 RS102 CD89 RD45 RD47 CD55 C675 RV120 RS612 CD62 RS107 CD51 RD48 CD47 CD53 CD52 DD82 PP03 R OUT R668 C666 R670 C677 C662 Q610A D602 C673 R665 Q610 C671 R679 D601 C674 R661 R677 C670 D604 R662 Q613 R669 D603 R676 C684 C682 R664 C678 C683 C672 C665 GR01 R671 R666 C676 Q611 CD45 RD88 RD82 GRD93 CD46 RD79 RD80 ...

Страница 32: ...6 151 141 142 143 145 B E B E B C712 R718 Q706 C722 C726 R717 R725 R723 R724 R722 Q707 R716 Q720 R713 E B B B E 4 2 5 3 1 P900 D910 D907 R985 Q901 D901 R961 C910 Q903A R934 G980 R904 Q914 L906 D911 Q908 Q903 Q901A D908 P903 Q912 R960 R933 Q913 R992 R943 Q904 Q911 R935 C912 P905 C930 R964 C909 R963 R986 R990 C902 L902 L903 R982 R909 R942 C914 R902 C931 R936 R984 B E B B G900 188 187 186 E B E B E B...

Страница 33: ...2SA1788 2SA1306 2SA1186A 2SC752GTM 2SC2482 2SC2655 2SC4721P 2SC752 2SA562TM 2SA1015 2SC1815 2SC2878 2SC1740S 2SC2120 2SA9335 2SA1788 RN2203 RN2201 RN2004 RN1203 RN1204 RN2204 RN1205 RN1202 RN1201 2SD1554 2SD2253 2SD1556 2SD2553 2SC5143 E C B B C E BCE B CE B C E E C B E C B ON4409 B C E ...

Страница 34: ...e noted as the following marks 1 2R Metal or Metal oxide of 1 2 watt 1 2S Carbon compsistion of 1 2 watt 1RF Fuse resistor of 1 watt 10W Cement of 10 watt K 10 G 2 F 1 2 CAPACITOR Unless otherwise noted in schematic all capacitor values less than 1 are expressed in µF and the values more than 1 in pF All capacitors are ceramic 50V unless otherwise noted as the following marks Electolytic capacitor...

Страница 35: ... 40 QG01 DIG Comb ZY01 PIP Module CIRCUIT BLOCK DIAGRAM ...

Страница 36: ... ohm negative sync C 0 286 V p p burst signal 75 ohm VIDEO AUDIO INPUT VIDEO 1 V p p 75 ohm negative sync AUDIO 150 mV rms 30 modulation equivalent 47 kohm ColorStream component video INPUT Y 1V p p 75 ohm PB 0 7 V p p 75 ohm PR 0 7 V p p 75 ohm AUDIO 150 mV rms 47 kohm VIDEO AUDIO OUTPUT VIDEO 1 V p p 75 ohm negative sync AUDIO 150mV rms 30 modulation equivalent 4 7 kohm Dimensions Width 34 1 2 i...

Страница 37: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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