Toshiba 50A60 Service Manual
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- Toshiba 50A60 | Service Manual - Page 1
FILE NO. 020-200012 SERVICE MANUAL COLOR TELEVISION N0NSP Chassis 50A60, 50A50 (TAC0050) (TAC0051) 55A60, 61A60 (TAC0052) (TAC0053) Downloaded from www.Manualslib.com manuals search engine PUBLISHED IN JAPAN, May., 2000 S - Toshiba 50A60 | Service Manual - Page 2
SAFETY INSTRUCTIONS ...3 CRT ASSEMBLY REPLACEMENT AND MOUNTING 4 PICTURE TUBE COMPONENTS ADJUSTMENT ...6 REPLACEMENT OF THE CRT ...8 SERVICE MODE MEMORY ...20 CIRCUIT BLOCK DIAGRAM ...21 MECHANICAL DISASSEMBLY ...23 CHASSIS REPLACEMENT PARTS LIST ...25 PC BOARDS BOTTOM VIEW ...41 TERMINAL VIEW OF - Toshiba 50A60 | Service Manual - Page 3
CIRCUIT CHECK procedure in this manual. 3. The only source of X-RAY RADIATION in this TV receiver is the picture tube. For continued X-RAY RADIATION protection, the replacement tube must be exactly the same type tube as specified in the parts list. 4. Some part in this receiver have special safety - Toshiba 50A60 | Service Manual - Page 4
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS CRT ASSEMBLY REPLACEMENT AND MOUNTING CAUTION : DO NOT LOOSEN THE HEX HEAD BOLTS WITH SPRINGS (12 PCS), BECAUSE THOSE ARE FOR SEALING Yoke and Conver Yoke Lens and Neck Components View Downloaded from www.Manualslib.com manuals search engine - 4 - - Toshiba 50A60 | Service Manual - Page 5
IN REPLACING CRT 1. R.G.B. FOCUS ADJUSTMENT (page 6.) 2. PICTURE TILT ADJUSTMENT (page 6.) 3. USER CONVERGENCE CENTER CHECK (See owner's manual.) mm 2 ~ 5 mm SPECIFIC INFORMATIONS SERVICING PRECAUTIONS s Do not use a magnetized screw driver for screws of Deflection Yoke and Velocity Modulation - Toshiba 50A60 | Service Manual - Page 6
SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON PAGE 3 OF THIS MANUAL Then fasten the screw. (See Fig. a.) 2. Select the adjustment mode. 3. Press TV/VIDEO button on the Remote Control to dis- play the white cross-bar. 4. Perform - Toshiba 50A60 | Service Manual - Page 7
GENERAL ADJUSTMENTS LOCATION OF SCREEN AND FOCUS VR'S SCREEN VR FOCUS VR RGB SPECIFIC INFORMATIONS Downloaded from www.Manualslib.com manuals search engine - 7 - - Toshiba 50A60 | Service Manual - Page 8
REPLACEMENT OF THE CRT Service parts are provided for each R, G and B. The contents of the parts are as follows. HITACHI CRT 50A50 50A60 55A60 61A60 R 23796001 23005114 23005242 23005249 G 23005397 23005115 ↑ ↑ B 23796003 ↑ ↑ 23796486 REPLACEMENT www.Manualslib.com manuals search engine - 8 - - Toshiba 50A60 | Service Manual - Page 9
TV set. MUTE 2. DISPLAYING THE ADJUSTMENT MENU 1) Press MENU button on TV. Service mode S Press Press Adjustment mode S (Service mode display) Item Data 3. KEY FUNCTION IN THE SERVICE 5 button 6 button 7 button 8 button 9 button Downloaded from www.Manualslib.com manuals search engine - 9 - - Toshiba 50A60 | Service Manual - Page 10
above. Perform "Programming Channel Memory" on the owner's manual. CAUTION: Never attempt to initialize the data unless QA02 has been replaced. 7. SELF DIAGNOSTIC FUNCTION 1) Press "9" button on Remote Control during display of adjustment menu in the service mode. The diagnosis will begin to check - Toshiba 50A60 | Service Manual - Page 11
MAIN board. 2. Adjust the CONTRAST to the minimum and BRIGHTNESS to the center. 3. Enter the service mode, then select "BRTC" register. 4. Adjust the data value so the belt of vertical retrace line the picture with off-air signal. Downloaded from www.Manualslib.com manuals search engine - 11 - - Toshiba 50A60 | Service Manual - Page 12
them. (Look into the lens in order to check the raster.) 5. Press TV (ANT)/VIDEO button on TV again. 6. Exit from service mode. 7. Receive white laster pattern signal, and adjust the contrast to the minimum changes red drive actually. Downloaded from www.Manualslib.com manuals search engine - 12 - - Toshiba 50A60 | Service Manual - Page 13
50.5 x14 (50") 55.8 x14 (55") 62 x14 (61") Note: Adjusting procedure in replacing convergence board. 1. User convergence center check. Make sure the best convergence setting is about the center to return to the normal picture. Downloaded from www.Manualslib.com manuals search engine - 13 - - Toshiba 50A60 | Service Manual - Page 14
on the SET after the above working realizes picture screen before replacement immediately. 2. Mount unit which has combination of old and whole picture looks like straightly shifted towards vertical or horizontal direction. 3. Adjust again centers of green, red and blue manuals search engine - 14 - - Toshiba 50A60 | Service Manual - Page 15
50") Lenticular sheet Protect shield FRONT Fresnel sheet Label with part number Stick cotton cloth tape Label with part number (for 55", 61") Lenticular sheet Protect shield FRONT Stick wipe away the black print on the surface. Downloaded from www.Manualslib.com manuals search engine - 15 - - Toshiba 50A60 | Service Manual - Page 16
following parts fail, check the High Voltage after replacing. Location check is indispensable for the final check in servicing. Checking should be done following the steps below. to produce a normal picture. Troubleshooting Guide for Fail Safe Circuit Check that manuals search engine - 16 - - Toshiba 50A60 | Service Manual - Page 17
INSTRUCTIONS SERVICE MODE 43", 50", 55", 61" HIGH VOLTAGE AT ZERO BEAM: (A) 31.3 kV MAX HIGH VOLTAGE: (B) 32.4 kV Table-1 ADJUSTING ITEMS AND DATA IN THE SERVICE VLD 41H ← VCEN V POSITION 81H ← TVOP TV OPTION 00H ← Table-2 CIRCUIT CHECKS FBT DETECTION VOLTAGE (C) 24.5V Table - Toshiba 50A60 | Service Manual - Page 18
DEMO CHANNEL st TV/VIDEO AUDIO CENTER CHANNEL IN S-VIDEO ON OFF OUT R L VAR AUDIO VIDEO Y L/ MONO CB L AUDIO R VIDEO-1 IN VIDEO-2 COLORCR R STREAM AUDIO INPUT DVD IN VIDEO L/ MONO AUDIO R OUT ANT (75Ω) ANT-1 OUT ANT-2 Downloaded from www.Manualslib.com manuals search engine - Toshiba 50A60 | Service Manual - Page 19
TV/CABLE/VCR switch Set to "TV" to control the TV. MUTE Channel Number C. CAPT ENTER FAV t RESET PIP CH t LIGHT RECALL POWER TV CABLE VCR MUTE TV EXIT PIP CH STOP SOURCE PLAY PIP REC TV/VCR REW FF STILL LOCATE SWAP RECALL POWER TIMER TV/VIDEO CHANNEL s/t VOLUME s/t CH RTN MENU PIP CH - Toshiba 50A60 | Service Manual - Page 20
until "ADD" is highlighted. 5 Repeat steps 1 to 4 for other channels. You have now completed the channel programming. Note: The CHANNEL t/s buttons on the TV function as the t/s buttons while a menu is on the screen. * Please refer to owner's manual in detail. Downloaded from www.Manualslib.com - Toshiba 50A60 | Service Manual - Page 21
CIRCUIT BLOCK DIAGRAM - 21 - - 22 - Downloaded from www.Manualslib.com manuals search engine - Toshiba 50A60 | Service Manual - Page 22
A267 A201 A266 A265 8 Light Box Removal A266 A401 5 screws A424 3 screws 3 screws A160 1 screw (A150) 3 screws 3 screws (A110) - 24 - Downloaded from www.Manualslib.com manuals search engine - Toshiba 50A60 | Service Manual - Page 23
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS CHASSIS REPLACEMENT PARTS LIST WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON PAGE 3 OF THIS MANUAL. CAUTION: The international hazard symbols " " in the schematic diagram - Toshiba 50A60 | Service Manual - Page 24
C608 C609 C610 C611 C612 C621 C622 C623 C624 C625 C626 C627 Part No. Description 24092484 24828333 24679229 24679330 24669479 24640908 24211222 24828473 24591102 Chip, 0.01?F, ±10% Chip, 0.1?F, ±10%, 25V Chip, 0.1?F, +80%, -20%, 25V Downloaded from www.Manualslib.com manuals search engine - 26 - - Toshiba 50A60 | Service Manual - Page 25
C833 C840 C842 C843 C857 C858 C860 C863 C864 C866 C867 C868 Part No. Description 24092293 24092293 24794470 24794470 24092293 24092293 24794470 24794470 24092293 24092293 EL, 100?F, ±20%, 25V PF, 0.1?F PF, 0.1?F EL, 100?F, ±20%, 25V Downloaded from www.Manualslib.com manuals search engine - 27 - - Toshiba 50A60 | Service Manual - Page 26
CD10 CD12 CD13 CD14 CD15 CD16 CR12 CR13 CR14 CR15 CR16 CR17 CS03 Part No. Description 24667101 24669479 24669479 24667470 24815103 24781101 24667470 24781101 24815221 24666470 %, 16V CD, 0.01?F, +80%, -20% CD, 0.01?F, +80%, -20% Downloaded from www.Manualslib.com manuals search engine - 28 - - Toshiba 50A60 | Service Manual - Page 27
CZ28 CZ29 CZ30 CZ31 CZ32 CZ33 CZ34 CZ35 CZ37 CZ38 CZ41 CZ42 CZ45 Part No. Description 24206100 24591122 24436561 24591102 24206010 24591822 24212103 24666470 24794101 24815103 24666470 , 1/16W Chip, 1k ohm, 1/16W MF, 1.2 ohm, 1/2W Downloaded from www.Manualslib.com manuals search engine - 29 - - Toshiba 50A60 | Service Manual - Page 28
R410 R411 R412 R413 R414 R415 R418 R419 R420 R421 R423 R424 R426 Part No. Description 24872682 24872393 24872824 24872273 24872153 24872102 24382271 24322828 24382391 24872103 24872103 16W Chip, 470 ohm, 1/16W Chip, 1k ohm, 1/16W Downloaded from www.Manualslib.com manuals search engine - 30 - - Toshiba 50A60 | Service Manual - Page 29
R674 R675 R682 R683 R684 R687 R689 R690 R701 R702 R703 R704 R707 R708 Part No. Description 24872101 24872122 24872103 24872101 24872101 24872101 24872102 24872102 24872102 24872272 24872472 16W CF, 1k ohm CF, 1k ohm CF, 1k ohm Downloaded from www.Manualslib.com manuals search engine - 31 - - Toshiba 50A60 | Service Manual - Page 30
R951 R952 R953 R954 R955 R956 R958 R959 R960 R961 R962 R963 R964 Part No. Description 24366471 24366102 24327153 24327123 24327123 24327123 24366102 24366222 24366103 24383473 24381330 16W Chip, 27k ohm, 1/16W Chip, 4700 ohm, 1/16W Downloaded from www.Manualslib.com manuals search engine - 32 - - Toshiba 50A60 | Service Manual - Page 31
RA73 RA73 RA74 RA75 RA76 RA76 RA77 RA77 RA78 RA78 RA79 RA79 RA80 RB01 Part No. Description 24872102 24872102 24872333 24872472 24872472 24382221 24872332 24872332 24872332 24872221 24872102 24872101 , 1k ohm CF, 1k ohm CF, 10k ohm Downloaded from www.Manualslib.com manuals search engine - 33 - - Toshiba 50A60 | Service Manual - Page 32
RV47 RV48 RV49 RV60 RV63 RV67 RV74 RV83 RV84 RV85 RV89 RV90 RV91 RV92 Part No. Description 24366104 24366104 24366223 24366223 24366471 24366471 24366104 24366104 24366103 24366104 24366222 , 1k ohm, 1/16W Chip, 1k ohm, 1/16W Downloaded from www.Manualslib.com manuals search engine - 34 - - Toshiba 50A60 | Service Manual - Page 33
LV01 LV02 LV05 LV06 LV07 LV11 LV13 LV14 LV20 LV41 LW01 LW02 LW04 Part No. Description 23289102 23237805 23289102 23237805 23289102 23237805 23289102 23237805 23289560 23289560 Coil, Choke, HC5-035 Coil (Ferrite Bead), TEM2011 Downloaded from www.Manualslib.com manuals search engine - 35 - - Toshiba 50A60 | Service Manual - Page 34
LZ11 LZ12 T401 T403 * T461 * T461A T801 T802 T840 T862 Part No. Description 23245834 23103859 23289220 23245832 23103852 23238710 23238714 23238714 23238714 -Y Transistor, 2SC1815-Y Transistor, 2SA1015-Y Transistor, 2SC1815-Y Downloaded from www.Manualslib.com manuals search engine - 36 - - Toshiba 50A60 | Service Manual - Page 35
D490 D491 D512 D513 D531 D532 D601 D602 D603 D604 D607 D608 D611 Part No. Description 23114528 B0410895 A6541130 A6541130 A6541130 A6335470 A6541130 A6541130 A6335470 23316756 23118041 TX Diode, Zener, MA8220-M, TX Diode, MA111-(TX) Downloaded from www.Manualslib.com manuals search engine - 37 - - Toshiba 50A60 | Service Manual - Page 36
DV02 DV03 DV07 DV08 DV09 DV11 DV12 DV13 DV17 DV25 DW04 DW05 DW21 Part No. Description 23316686 23316686 23316686 23316686 23316686 23316686 23316686 23316686 23316686 23316686 R SP-2A (50A60/55A60/61A60) Battery, R6KGT SP-2T (50A50) Downloaded from www.Manualslib.com manuals search engine - 38 - - Toshiba 50A60 | Service Manual - Page 37
Z712 ZT01 Part No. RPM-676CBR-S F Connector(50A50) Plug, B-B,15P Plug PB9451B (50A50) Signal/CON Board, PB9450A (50A60) Signal/CON Board, PB9450B (50A50) Signal/CON (50A60) Projection Tube Ass'y, 50HR (50A50) Protector Coupling 50A50 G (50A50) Projection Tube Ass'y, 50HB (50A60/50A50/55A60) Projection - Toshiba 50A60 | Service Manual - Page 38
Unit, CT-9946 (50A60/55A60/61A60) Remote Hand Unit, CT-90037 (50A50) Battery Cover Owner's Manual, English, 50A60/55A60/61A60 Owner's Manual, English, 50A50 Owner's Manual, French, 50A60/55A60/61A60 Owner's Manual, French, 50A50 CABINET PARTS A101 A101 A101 A102 A102 A103 A103 A126 A127 A150 A150 - Toshiba 50A60 | Service Manual - Page 39
SIGNAL/CON BOARD PB9450 BOTTOM (FOIL) SIDE - 41 - - 42 - Downloaded from www.Manualslib.com manuals search engine - Toshiba 50A60 | Service Manual - Page 40
DEF/POWER BOARD PB9451 BOTTOM (FOIL) SIDE - 43 - - 44 - Downloaded from www.Manualslib.com manuals search engine - Toshiba 50A60 | Service Manual - Page 41
BACK/AV BOARD PB9452 BOTTOM (FOIL) SIDE GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS Downloaded from www.Manualslib.com manuals search engine - 45 - - Toshiba 50A60 | Service Manual - Page 42
DIGI-CONV BOARD PB9453 BOTTOM (FOIL) SIDE GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS DIGI-COMB BOARD PB9398 BOTTOM (FOIL) SIDE Downloaded from www.Manualslib.com manuals search engine - 46 - - Toshiba 50A60 | Service Manual - Page 43
R-DRIVE BOARD PB9454-1 BOTTOM (FOIL) SIDE GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS B-DRIVE BOARD PB9454-3 BOTTOM (FOIL) SIDE Downloaded from www.Manualslib.com manuals search engine - 47 - - Toshiba 50A60 | Service Manual - Page 44
B-DRIVE BOARD PB9454-2 BOTTOM (FOIL) SIDE FRONT-CONT BOARD PB9454-4 BOTTOM (FOIL) SIDE GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS Downloaded from www.Manualslib.com manuals search engine - 48 - - Toshiba 50A60 | Service Manual - Page 45
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS FRONT-CONV BOARD PB9454-5 BOTTOM (FOIL) SIDE FRONT-IN BOARD PB9454-9 BOTTOM (FOIL) SIDE REM BOARD PB9454-10 BOTTOM (FOIL) SIDE Downloaded from www.Manualslib.com manuals search engine - 49 - - Toshiba 50A60 | Service Manual - Page 46
SVM BOARD PB9454-6 BOTTOM (FOIL) SIDE FRONT-CON BOARD PB9454-8 BOTTOM (FOIL) SIDE GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS Downloaded from www.Manualslib.com manuals search engine - 50 - - Toshiba 50A60 | Service Manual - Page 47
ᕈ RN2203 RN2201 RN2004 RN1203 RN1204 RN2204 RN1205 RN1202 RN1201 ECB ᕉ 2SD1554 2SD2253 2SD1556 2SD2553 2SC5143 CB E ᕊ ON4409 CB E SPECIFIC INFORMATIONS Downloaded from www.Manualslib.com manuals search engine - 51 - - Toshiba 50A60 | Service Manual - Page 48
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS MEMO ... Downloaded from www.Manualslib.com manuals search engine - 52 - - Toshiba 50A60 | Service Manual - Page 49
/AUDIO TERMINALS DIMENSIONS/MASS NTSC standard VHF: 2 through 13 UHF: 14 through 69 Cable TV: Mid band (A-8 through A-1, A through I) Super band (J through W) Hyper band Control with 2 size "AA" alkaline batteries *Please refer to owner's manual in detail. Downloaded from www.Manualslib.com - Toshiba 50A60 | Service Manual - Page 50
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FILE NO. 020-200012
SERVICE MANUAL
PUBLISHED IN JAPAN,
May., 2000
S
COLOR TELEVISION
N0NSP Chassis
50A60
,
50A50
55A60
,
61A60
(TAC0050)
(TAC0052)
(TAC0051)
(TAC0053)
Downloaded from
www.Manualslib.com
manuals search engine