Toshiba 61A60 Service Manual
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- Toshiba 61A60 | Service Manual - Page 1
FILE NO. 020-200012 SERVICE MANUAL COLOR TELEVISION N0NSP Chassis 50A60, 50A50 (TAC0050) (TAC0051) 55A60, 61A60 (TAC0052) (TAC0053) PUBLISHED IN JAPAN, May., 2000 S - Toshiba 61A60 | 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 ...9 ELECTRICAL ADJUSTMENT ...11 CONVERGENCE ADJUSTMENT ...13 SCREEN AND MIRROR ALIGNMENTS ...15 CIRCUIT CHECKS ...16 CHAPTER 2 SPECIFIC INFORMATIONS - Toshiba 61A60 | 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 61A60 | 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 OF CRT COOLANT. R G B 8 o'clock 4 o'clock Attention - Toshiba 61A60 | Service Manual - Page 5
the Anode cable as illustrated on page 4. ADJUSTING PROCEDURE 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.) 4. CENTERING ADJUSTMENT (page 6.) 5. CONVERGENCE ADJUSTMENT (page 13.) 6. WHITE BALANCE - Toshiba 61A60 | Service Manual - Page 6
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS WARNING : BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON PAGE 3 OF THIS MANUAL. PICTURE TUBE COMPONENTS ADJUSTMENT DESCRIPTION OF NECK COMPONENTS ᕄ ᕃ TILT ADJUSTMENT Rotate R, G, - Toshiba 61A60 | Service Manual - Page 7
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS LOCATION OF SCREEN AND FOCUS VR'S SCREEN VR FOCUS VR RGB - 7 - - Toshiba 61A60 | Service Manual - Page 8
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS 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 OF - Toshiba 61A60 | Service Manual - Page 9
SPECIFIC INFORMATIONS 1. ENTERING TO SERVICE MODE 1) Press MUTE button once on Remote Control. SERVICE MODE 2) Press MUTE button again to keep pressing. 3) While pressing the MUTE button, press MENU button on TV set. MUTE 2. DISPLAYING THE ADJUSTMENT MENU 1) Press MENU button on TV. Service - Toshiba 61A60 | Service Manual - Page 10
button on the TV. The initialization of QA02 has been complated. 3. Check the picture carefully. If necessary, 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. SELF DIAGNOSTIC - Toshiba 61A60 | Service Manual - Page 11
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS ELECTRICAL ADJUSTMENT ITEM VERTICAL POSITION (VCEN) service mode, then select "SCNT" register. 3. Change "SCNT" data to13H. 4. Check the picture contrast. 1. Receive the pattern signal which shows it's center on the screen. 2. Adjust the picture - Toshiba 61A60 | Service Manual - Page 12
GCUT and BCUT to "40". 3. Press TV (ANT)/VIDEO button on TV. 4. Gradually rotate R, G and B SCREEN volume of FOCUS PAC (page 7) clock- 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 to make white picture - Toshiba 61A60 | Service Manual - Page 13
SPECIFIC (61") Note: Adjusting procedure in replacing convergence board. 1. User convergence center adjustable range. 2. CENTERING ADJUSTMENT 3. PICTURE POSITION ADJUSTMENT 4. HIT, WID ADJUSTMENT the specified color line can be erased from the screen. 100 button to erase Red line 0 button to - Toshiba 61A60 | Service Manual - Page 14
main deflection, and decide data at the most precise screen comparing to green data. 6. Adjust convergence of each screen picture for color matching. Do not move green one at this time. 7. After convergence adjustment of each screen picture finishes, replace green CRT. For green CRT as well, repeat - Toshiba 61A60 | Service Manual - Page 15
AND MIRROR ALIGNMENTS Fresnel sheet MOUNTING OF FRONT SCREEN 5 screws SPECIFIC INFORMATIONS FRONT Protect shield (for 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 - Toshiba 61A60 | Service Manual - Page 16
the following parts fail, check the High Voltage after replacing. Location No circuit check is indispensable for the final check in servicing. Checking should be done following the steps below. 1. receiver on to produce a normal picture. Troubleshooting Guide for Fail Safe Circuit Check that - Toshiba 61A60 | Service Manual - Page 17
SPECIFIC INFORMATIONS CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY 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 V-S CORRECTION PICTURE WIDTH V-SHIFT - Toshiba 61A60 | Service Manual - Page 18
OF CONTROLS (Representative : 50A60) TV front GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS Behind the door S-VIDEO AUDIO VIDEO L/MONO R Video Audio inputs TV rear POWER CH MENU VOL CH EXIT VOL TV/VIDEO DEMO POWER MENU VOLUMET S EXIT DEMO CHANNEL st TV/VIDEO AUDIO CENTER CHANNEL IN - Toshiba 61A60 | Service Manual - Page 19
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS Remote Control LIGHT 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/VIDEO TIMER 12 45 3 CH 6 7 100 C.CAPT 89 CH RTN VOL 0 ENT ADV/ PIP CH MENU FAV - Toshiba 61A60 | Service Manual - Page 20
ANT-2 terminals for some model, perform programming channels for each input source. TV/CABLE function 1 Press PROGRAM function, you can add or erase specific channels. 1 Select the channel you want TV function as the t/s buttons while a menu is on the screen. * Please refer to owner's manual in detail. - Toshiba 61A60 | Service Manual - Page 21
CIRCUIT BLOCK DIAGRAM - 21 - - 22 - - Toshiba 61A60 | Service Manual - Page 22
1 Speaker Grille Removal A101 2 Control Panel Removal A103 A102 5 Shield Plate, Lens Removal 4 screws K111 K112 K113 A221 (A322) A213 A224 A202 A126 A127 A268 6 Mirror Removal 5 screws A152 K601 A269 4 screws - 23 - MECHANICAL DISASSEMBLY 3 Front Mask Removal A201 K502 K501 (K511) 4 - Toshiba 61A60 | Service Manual - Page 23
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 and the parts - Toshiba 61A60 | Service Manual - Page 24
SPECIFIC C621 C622 C623 C624 C625 C626 C627 Part No. Description 24092484 24828333 24679229 24679330 24669479 33?F, ±20%, 250V EL, 4.7?F, ±20%, 50V EL, 33?F, ±20%, 160V CD, 2200pF, ±10%, 2kV (50A60/55A60/61A60) PF, 0.047?F, 200V PF, 1000pF PF, 0.01?F PF, 0.01?F PF, 0.068?F EL, 10?F, ±20%, 16V - Toshiba 61A60 | Service Manual - Page 25
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS Location No. C739 C740 C741 C742 C743 C744 C745 C746 C831 C832 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 24794470 24794470 - Toshiba 61A60 | Service Manual - Page 26
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS Location No. C7755 C7765 C7766 C7767 C7769 C7774 C7776 CD08 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 24774181 24092442 - Toshiba 61A60 | Service Manual - Page 27
ADJUSTMENTS SPECIFIC INFORMATIONS CZ33 CZ34 CZ35 CZ37 CZ38 CZ41 CZ42 CZ45 Part No. Description 24206100 24591122 24436561 24591102 24206010 24591822 , 100 ohm, 1/16W (50A60/55A60/61A60) Chip, 5600 ohm, 1/16W (50A60/55A60/61A60) Chip, 10k ohm, 1/16W (50A60/55A60/61A60) Chip, 820 ohm, 1/16W Chip, - Toshiba 61A60 | Service Manual - Page 28
ADJUSTMENTS SPECIFIC INFORMATIONS R414 R415 R418 R419 R420 R421 R423 R424 R426 Part No. Description 24872682 24872393 24872824 24872273 24872153 24872102 2W CC, 1k ohm, 1/2W OMF, 47k ohm, 1W OMF, 100k ohm, 1W (50A60/55A60/61A60) Chip, 470 ohm, 1/16W MF, 0.39 ohm, 1W FR, 10 ohm, 1/4W Location No - Toshiba 61A60 | Service Manual - Page 29
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS Location No. R512 R514 R515 R530 R531 R532 R533 R534 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 24872103 - Toshiba 61A60 | Service Manual - Page 30
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS Location No. R818 R819 R820 R821 R822 R823 R824 R842 R950 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 24552102 - Toshiba 61A60 | Service Manual - Page 31
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS Location No. R7779 R7780 R7781 R7786 R7787 R7788 R7795 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 - Toshiba 61A60 | Service Manual - Page 32
ADJUSTMENTS SPECIFIC INFORMATIONS RV67 RV74 RV83 RV84 RV85 RV89 RV90 RV91 RV92 Part No. Description 24366104 24366104 24366223 24366223 24366471 24366471 24366104 ohm CF, 10k ohm CF, 10k ohm CF, 10k ohm CF, 4700 ohm (50A60/55A60/61A60) CF, 100 ohm CF, 100 ohm CF, 10 ohm CF, 10 ohm CF, 10 - Toshiba 61A60 | Service Manual - Page 33
SPECIFIC INFORMATIONS Location No. RZ03 RZ04 RZ05 RZ06 RZ08 RZ09 RZ10 RZ12 RZ13 RZ14 RZ15 RZ17 RZ18 RZ19 RZ20 RZ22 RZ29 RZ30 Part 23289845 Coil, Peaking, TRF4680AT (50A60/55A60/61A60) L115 23103852 Coil, Filter, TEM2028AH (50A60/55A60/61A60) L121 23238562 Coil, Peaking, TRF4109AJ L122 - Toshiba 61A60 | Service Manual - Page 34
SPECIFIC INFORMATIONS Location No. LW04 LW05 LW07 LY01 LY22 LZ01 LZ02 LZ03 LZ04 LZ05 LZ08 LZ11 LZ12 T401 T403 * T461 * T461A T801 T802 T840 T862 Part BRDT2W3X10 SZN Transistor, 2SC752(G)TM-Y Transistor, 2SC4256 (50A60/55A60/61A60) IC, TA75358P Transistor, KTA1266 Y Transistor, KTC3198 Y Transistor - Toshiba 61A60 | Service Manual - Page 35
SPECIFIC D532 D601 D602 D603 D604 D607 D608 D611 Part No. Description 23114528 B0410895 A6541130 A6541130 A6541130 A6335470 LF-F10 Diode, RP 1H, LF-C1 (50A60/55A60/61A60) Diode, S5295G Diode, EU2A, LF-F10 Diode, RP 1H, LF-C1 (50A60/55A60/61A60) Diode, Zener, MTZJ18B Diode, MA111-(TX) Diode, - Toshiba 61A60 | Service Manual - Page 36
ADJUSTMENTS SPECIFIC INFORMATIONS DV08 DV09 DV11 DV12 DV13 DV17 DV25 DW04 DW05 DW21 Part No. Description 23316686 23316686 23316686 23316686 23316686 23316686 23316686 Chip Jumper, 2125Type Chip Jumper, 2125Type (50A60/55A60/61A60) Chip Jumper, 2125Type RF Switch, RSU133X6 Nut, F-Connector Battery, - Toshiba 61A60 | Service Manual - Page 37
SPECIFIC Z712 ZT01 Part No. 61A60) A/V Board, PB9452B (50A50) DIG COM Board, PB9398 PICTURE TUBE * V901R 23005114 * V901R 23796001 * V901R 23005242 * V901R 23005249 * V902G 23005115 * V902G 23005397 * V903B 23796003 * V903B 23796486 Protector Coupling 50A R (50A60) Projection - Toshiba 61A60 | Service Manual - Page 38
SPECIFIC INFORMATIONS Location No. Part No. Description ACCESSORIES K912 23306263 K912 23306359 AT03 Y101 23588181 23563913 Y101 23563938 Y101F 23563914 Y101F 23563939 Remote Hand Unit, CT-9946 (50A60/55A60/61A60) Remote Hand Unit, CT-90037 (50A50) Battery Cover Owner's Manual - Toshiba 61A60 | Service Manual - Page 39
SIGNAL/CON BOARD PB9450 BOTTOM (FOIL) SIDE - 41 - - 42 - - Toshiba 61A60 | Service Manual - Page 40
DEF/POWER BOARD PB9451 BOTTOM (FOIL) SIDE - 43 - - 44 - - Toshiba 61A60 | Service Manual - Page 41
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS BACK/AV BOARD PB9452 BOTTOM (FOIL) SIDE - 45 - - Toshiba 61A60 | Service Manual - Page 42
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS DIGI-CONV BOARD PB9453 BOTTOM (FOIL) SIDE DIGI-COMB BOARD PB9398 BOTTOM (FOIL) SIDE - 46 - - Toshiba 61A60 | Service Manual - Page 43
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS R-DRIVE BOARD PB9454-1 BOTTOM (FOIL) SIDE B-DRIVE BOARD PB9454-3 BOTTOM (FOIL) SIDE - 47 - - Toshiba 61A60 | Service Manual - Page 44
B-DRIVE BOARD PB9454-2 BOTTOM (FOIL) SIDE FRONT-CONT BOARD PB9454-4 BOTTOM (FOIL) SIDE GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS - 48 - - Toshiba 61A60 | 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 - 49 - - Toshiba 61A60 | Service Manual - Page 46
SVM BOARD PB9454-6 BOTTOM (FOIL) SIDE FRONT-CON BOARD PB9454-8 BOTTOM (FOIL) SIDE GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS - 50 - - Toshiba 61A60 | Service Manual - Page 47
2SC2878 2SC1740S 2SC2120 2SA9335 BCE ᕇ 2SA1788 E CB 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 - 51 - - Toshiba 61A60 | Service Manual - Page 48
GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS MEMO ...- 52 - - Toshiba 61A60 | Service Manual - Page 49
SPECIFIC INFORMATIONS SPECIFICATIONS (Representative: 50A60) TELEVISION SYSTEM CHANNEL COVERAGE POWER SOURCE POWER CONSUMPTION AUDIO POWER SPEAKER TYPE VIDEO/AUDIO TERMINALS DIMENSIONS/MASS NTSC standard VHF: 2 through 13 UHF: 14 through 69 Cable TV refer to owner's manual in detail. - 53 - - Toshiba 61A60 | 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)