Toshiba 26HF85 Service Manual Download Page 4

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TABLE OF CONTENTS

SERVICING NOTICES ON CHECKING .....................................................................................

HOW TO ORDER PARTS ..........................................................................................................

IMPORTANT ...............................................................................................................................

ABOUT LEAD FREE SOLDER (PbF) ........................................................................................

TABLE OF CONTENTS ..............................................................................................................

GENERAL SPECIFICATIONS ...................................................................................................

DISASSEMBLY INSTRUCTIONS

1. REMOVAL OF ANODE CAP ...............................................................................................

2. REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ................................................

SERVICE MODE LIST ................................................................................................................

CONFIRMATION OF HOURS USED .........................................................................................

WHEN REPLACING EEPROM (MEMORY) IC ..........................................................................

ELECTRICAL ADJUSTMENTS ..................................................................................................

BLOCK DIAGRAMS

TV .............................................................................................................................................

SOUND AMP/FRONT JACK ...................................................................................................

MICON1/STEREO ...................................................................................................................

AV/SYNC COUNT/CONNECTOR ...........................................................................................

INTERFACE .............................................................................................................................

MICON2 ...................................................................................................................................

SCALER ..................................................................................................................................

PRINTED CIRCUIT BOARDS

MAIN/FRONT JACK ................................................................................................................

AV ............................................................................................................................................

HD-MI .......................................................................................................................................

CRT/VM COIL/SCALER ..........................................................................................................

SCHEMATIC DIAGRAMS

CHROMA/PROGRESSIVE/PIN ..............................................................................................

DEFLECTION ..........................................................................................................................

TV POWER ..............................................................................................................................

OPERATION ............................................................................................................................

SOUND AMP/FRONT AV ........................................................................................................

MICON1 ...................................................................................................................................

STEREO ..................................................................................................................................

TUNER/AV ...............................................................................................................................

REGURATOR ..........................................................................................................................

SYNC COUNT/CONECTOR ...................................................................................................

CRT/SVM .................................................................................................................................

INTERFACE .............................................................................................................................

MICON2 ...................................................................................................................................

ANALOG/DIGITAL CONVERTER ...........................................................................................

SCALER ...................................................................................................................................

DIGITAL COMB .......................................................................................................................

SDRAM ....................................................................................................................................

IN/OUT/REGULATOR .............................................................................................................

WAVEFORMS .............................................................................................................................

MECHANICAL EXPLODED VIEWS ...........................................................................................

MECHANICAL REPLACEMENT PARTS LIST .........................................................................

ELECTRICAL REPLACEMENT PARTS LIST ...........................................................................

A1-1

A1-2

A2-1

A3-1~A3-5

B1-1

B2-1, B2-2

C-1

C-2, C-3

D-1~D-6

E-1, E-2

E-3, E-4

E-5, E-6

E-7, E-8

E-9, E-10

E-11, E-12

E-13, E-14

F-1~F-4

F-5, F-6

F-7, F-8

F-9, F-10

G-1, G-2

G-3, G-4

G-5, G-6

G-7, G-8

G-9, G-10

G-11, G-12

G-13, G-14

G-15, G-16

G-17, G-18

G-19, G-20

G-21, G-22

G-23, G-24

G-25, G-26

G-27, G-28

G-29, G-30

G-31, G-32

G-33, G-34

G-35, G-36

H-1~H-4

I-1~I-3

J1-1

J2-1~J2-8

A2-1

Summary of Contents for 26HF85

Page 1: ...SERVICE MANUAL COLOR TELEVISION DOCUMENT CREATED IN JAPAN March 2005 26HF85 MFR S VERSION A FILE NO 050 200509 ...

Page 2: ...ally as to the important parts for safety which is indicated in the circuit diagram or the table of parts as a mark the designated parts must be used 4 PUT PARTS AND WIRES IN THE ORIGINAL POSITION AFTER ASSEMBLING OR WIRING There are parts which use the insulation material such as a tube or tape for safety or which are assembled in the condition that these do not contact with the printed board The...

Page 3: ...ure soldering iron please be carefull not to heat too long Pb free solder will tend to splash when heated too high about 1100 F 600 C All products with the printed circuit board with PbF printing must be serviced with lead free solder When soldering or unsoldering completely remove all of the solder from the pins or solder area and be sure to heat the soldering points with the lead free solder unt...

Page 4: ...EMATIC DIAGRAMS CHROMA PROGRESSIVE PIN DEFLECTION TV POWER OPERATION SOUND AMP FRONT AV MICON1 STEREO TUNER AV REGURATOR SYNC COUNT CONECTOR CRT SVM INTERFACE MICON2 ANALOG DIGITAL CONVERTER SCALER DIGITAL COMB SDRAM IN OUT REGULATOR WAVEFORMS MECHANICAL EXPLODED VIEWS MECHANICAL REPLACEMENT PARTS LIST ELECTRICAL REPLACEMENT PARTS LIST A1 1 A1 1 A1 1 A1 2 A2 1 A3 1 A3 5 B1 1 B2 1 B2 2 C 1 C 1 C 2 ...

Page 5: ...er Receive CH Destination USA W CABLE 2 69 4A A 5 A 1 CH Coverage A I J W W 1 W 84 Intermediate Picture FP 45 75MHz Frequency Sound FS 41 25MHz FP FS 4 50MHz Preset CH No Stereo Dual TV Sound Yes Tuner Sound Muting Yes G 3 Power Power Source AC 120V AC 60Hz DC Power Consumption at AC 175 W at AC 120 V 60 Hz Stand by at AC 1 W at AC 120 V 60 Hz Per Year kWh Year Protector Power Fuse Yes Safety Circ...

Page 6: ...s Add Erase Yes Closed Caption Yes Picture Size Yes Picture Scroll Yes Cinema Mode Yes Aspect Yes Image Tilt Yes Option Yes On Off Timer Yes Favorite CH Yes CH Label Yes VIDEO Label Yes Locks Yes V Chip Yes Lock Yes New Password Yes Front Panel Lock Yes Control Level Yes Volume Yes Contrast Yes Brightness Yes Color Yes Tint Yes Sharpness Yes Bass Yes Treble Yes Balance Yes Image Tilt Yes Picture S...

Page 7: ...eys 44 Keys Keys Power Yes 1 Yes 2 Yes 3 Yes 4 Yes 5 Yes 6 Yes 7 Yes 8 Yes 9 Yes 0 Yes 100 10 Yes CH Up Yes CH Down Yes Volume Up Yes Volume Down Yes TV Video Input Select Yes ENT CH RTN Quick View Yes Menu FAV Up Yes Menu FAV Down Yes Menu Up Yes Menu Down Yes Mute Yes PIC SIZE 16 9 Yes Sleep Yes Exit Yes Light No Multi Brand Keys TV Yes CBL SAT Yes VCR Yes DVD Yes DVD Keys Enter Yes DVD Clear Ye...

Page 8: ...Favorite CH Yes Variable Audio Out Yes Picture Size Yes Color Temperature Control Yes Mode Picture Preference Yes Front Panel Lock Yes Available Scan Rates Component HDMI 480i 480p 720p 1080i Menu Volume Up Volume Down Yes Auto Setup Language CH Program Yes G 12 Accessories Owner s Manual Language English Spanish W Warranty Yes Remote Control Unit Yes Rod Antenna No Poles Terminal Loop Antenna No ...

Page 9: ...5 HDMI Input1 w Analog Audio L R HDMI x 1 RCA x 2 HDMI Input2 w Analog Audio L R No Diversity No Ext Speaker No VHF UHF Antenna Input F Type AC Outlet No G 14 Set Size Approx W x D x H mm 700 x 502 x 495 5 G 15 Weight Net Approx 36 0 kg 79 4 lbs Gross Approx 41 5kg 91 5lbs G 16 Carton Master Carton No Content Sets Material Dimensions W x D x H mm x x Description of Origin No Gift Box Material Doub...

Page 10: ...ed Flip up the sides of the Rubber Cap in the direction of the arrow and remove one side of the support Refer to Fig 1 2 2 DISASSEMBLY INSTRUCTIONS GND on the CRT Screwdriver Alligator Clip Support CRT GND on the CRT Rubber Cap CRT Support Fig 1 1 Fig 1 2 3 After one side is removed pull in the opposite direction to remove the other NOTE Take care not to damage the Rubber Cap INSTALLATION 1 Clean ...

Page 11: ... the IC leads using a blower type IC desoldering machine Refer to Fig 2 2 2 Fig 2 2 NOTE Do not rotate or move the IC back and forth until IC can move back and forth easily after desoldering the leads completely When IC starts moving back and forth easily after desoldering completely pickup the corner of the IC using a tweezers and remove the IC by moving with the IC desoldering machine Refer to F...

Page 12: ...2 8 Thin tip Soldering Iron NOTE When the IC leads are bent during soldering and or repairing do not repair the bending of leads If the bending of leads are repaired the pattern may be damaged So always be sure to replace the IC in this case Finally confirm the soldering status on four sides of the IC using a magnifying glass Confirm that no abnormality is found on the soldering position and insta...

Page 13: ...IAL DATA of MEMORY IC Refer to the WHEN REPLACING EEPROM MEMORY IC VOL MIN Display of the Adjustment MENU on the screen Refer to the ELECTRICAL ADJUSTMENT On Screen Display Adjustment 9 CONFIRMATION OF HOURS USED POWER ON total hours can be checked on the screen Total hours are displayed in 16 system of notation NOTE If you set a factory initialization the total hours is reset to 0 1 2 3 Set the V...

Page 14: ...C0 52 50 8B 00 06 06 22 00 11 F0 00 07 00 00 00 B6 01 48 33 39 3C 3F 42 45 48 4B 4E 70 0F 1D 6D FF FF FA FA 80 96 8B 6C 90 22 00 90 33 23 27 2A 2D 30 A0 36 51 53 55 57 58 59 5A 5C 5D 5E 5F 61 63 65 67 B0 5B 69 6A 6B 6C 6D 6E 6F 71 71 72 72 73 73 74 74 76 76 77 77 77 77 78 78 78 78 15 18 11 14 E0 E6 F5 2B 38 FF 54 C0 70 75 75 75 75 76 76 D0 79 42 00 00 00 0B E0 17 31 36 40 00 3F F0 DC 21 66 66 0C 7...

Page 15: ...A When DATA is selected it will blink Again step through the DATA using UP DOWN button until required DATA value has been selected Pressing RIGHT LEFT button will take you back to ADDRESS for further selection if necessary Repeat steps 3 to 6 until all data has been checked When satisfied correct DATA has been entered turn POWER off return to STANDBY MODE to finish DATA input After the data input ...

Page 16: ...ng Test for more than 10 minutes Receive the gray scale pattern from the Pattern Generator Using the remote control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 24 on the remote control to select R BIAS Press the CH UP DOWN button on the remote control to select the R BIAS G BIAS B BIAS R G DRV B R DRV R BIAS C G BI...

Page 17: ...l until the PICTURE menu appears Press the LEFT RIGHT button on the remote control to highlight DISPLAY FORMAT Press the LEFT RIGHT button on the remote control to select 1080i Set the screen mode to FULL Activate the adjustment mode display of Fig 1 1 and press the channel button 02 on the remote control to select H POSI Press the VOL UP DOWN button on the remote control until the SHIFT quantity ...

Page 18: ... select E W PARA Press the VOL UP DOWN button on the remote control until the both ends vertical lines become straight Set the screen mode to 4 3 Press the VOL UP DOWN button on the remote control until the both ends vertical lines of the screen become parallel 2 10 E W PARA 1 2 3 4 5 6 7 2 11 TRAPEZIUM 1 2 3 4 5 6 7 8 Receive the crosshatch signal from the Pattern Generator Press the MENU button ...

Page 19: ...GAIN G Y PHASE BRI MAX BRI MIN CONT CENT CONT MAX CONT MIN COL MAX COL MIN SHARP CENT SHARP MAX SHARP MIN TEST STEREO TEST AUVIO NO 03 07 08 09 10 12 13 14 19 20 23 39 40 41 42 44 45 46 47 48 50 51 54 55 56 58 59 RF 01 04 03 31 00 00 15 40 16 15 128 08 03 05 00 240 50 70 90 50 80 00 55 100 00 00 00 CS 01 04 03 31 00 00 15 40 16 15 128 08 03 05 00 240 50 70 90 50 110 00 64 100 00 00 00 AV 01 04 03 ...

Page 20: ...performing adjustments in section 3 1 1 2 3 4 5 Receive the green raster pattern from color bar generator Adjust the pair of purity magnets to center the color on the screen Adjust the pair of purity magnets so the color at the ends are equally wide Move the deflection yoke backward to neck side slowly and stop it at the position when the whole screen is green Confirm red and blue color Adjust the...

Page 21: ...1B FRONT JACK PCB J801 MAIN PCB AV PCB PCB DEGAUSS COIL VM COIL PCB CRT CRT PCB CRT J705 J706 J707 J708 J709 TU001 CP601 CP2201 CP509 CP101 CP1001 CP605 HD MI PCB SCALER PCB CD852 CD803 CD802 CD808 CD504 CP501 CP404 OS2001 CD601 CD101 CP602 CD605 CD603 CP808A CP1002 CD1001 CD509 CP503 CP403 CP851A FB401 J2202 J2203 J2204 J2201 CD2201 CD2251 CRT TP806 CP510 AC IN CD501 SPEAKER ...

Page 22: ...B110 CRT PCB ASS Y 108 111 PCBD80 VM COIL PCB ASS Y 107 112 112 112 101G 101E 101F 101K 101K 101K 101K 101C 101H 101B 101D 101L 204 204 101 101A PCB260 FRONT JACK PCB ASS Y 211 211 202 202 118 114 118 205 205 132 202 202 118 114 118 205 205 132 116 101I 101H 101J 204 204 120 101M ...

Page 23: ...07 110 106 106 113 PCBDS0 SCALER PCB ASS Y 105 119 207 130 207 131 207 208 208 115 PCBDJ0 HD MI PCB ASS Y 104 103 103 201 201 102A 102 201 109 102C 102C 102B 201 201 212 201 102D 205 206 205 208 208 208 209 209 209 PCB070 MAIN PCB ASS Y 121 210 208 115 209 210 ...

Page 24: ...124 125 122 123 127 128 129 TM101 123 MECHANICAL EXPLODED VIEW PACKING DIAGRAM I 3 ...

Page 25: ... 752WSA0433 SHIELD AV JACK 114 AE005207 761WPAA115 HOLDER SPEAKER 115 AD301370 899EFBA002 WIRING CLIP 116 AE004840 761WPA0325 HOLDER PCB RAIL 117 AE006374 769WSAA008 WASHER CRT T 0 5 118 AD300518 801WR00001 DAMPER SPEAKER 119 AE005576 761WPA0347 HOLDER PCB 1 120 AE004841 890DL20000 DOOR LATCHES DL2 121 BZ710260 899HV3T000 HOLDER ANODE WIRE 122 AE006145 791WHAA116 FILM BAG 123 AE004968 792WHA0548 P...

Page 26: ...HM 3W R548 BZ210051 R3X18AR47J R METAL OXIDE 0 47 OHM 2W R560 BZ210010 R3X28B1R2J R METAL OXIDE 1 2 OHM 3W R801 BZ210154 R5X2CE332J R CEMENT 3 3K OHM 7W R834 BZ210154 R5X2CE332J R CEMENT 3 3K OHM 7W R842 BZ210154 R5X2CE332J R CEMENT 3 3K OHM 7W R855 BZ210185 R65582151J R FUSE 150 OHM 1 2W R881 AD302132 R3X18A271J R METAL OXIDE 270 OHM 2W R3411 AD301597 R3X18AR39J R METAL OXIDE 0 39 OHM 2W R3412 AD...

Page 27: ...TZJ33B T 77 D415 BZ410063 D2WTAU02A0 DIODE SILICON AU02A EIC D417 AE004359 D97U03901B DIODE ZENER MTZJ39B T 77 D418 BZ410037 D97U03301B DIODE ZENER MTZJ33B T 77 D420 BZ410094 D97U01501B DIODE ZENER MTZJ15B T 77 D423 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D424 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D501 BZ410031 D6CE24110A DIODE VARISTA ENE241D 10A Q6 D502 BZ410006 D1VT001330 DIODE SILI...

Page 28: ...300070 D97U01201B DIODE ZENER MTZJ12B T 77 D701 BZ410022 D97U06R81B DIODE ZENER MTZJ6 8B T 77 D702 BZ410021 D97U05R61B DIODE ZENER MTZJ5 6B T 77 D703 BZ410021 D97U05R61B DIODE ZENER MTZJ5 6B T 77 D704 BZ410022 D97U06R81B DIODE ZENER MTZJ6 8B T 77 D705 BZ410084 D97U01101B DIODE ZENER MTZJ11B T 77 D801 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D802 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D80...

Page 29: ... T1 Q103 AE005872 T6RA015300 TRANSISTOR SILICON 2SA1530A T1 Q104 AE006306 TNRAB05005 COMPOUND TRANSISTOR RT1N140C T1 Q401 AE004385 TC5TC3328Y TRANSISTOR SILICON 2SC3328_Y TPE6_F Q402 AE004814 T250029200 FET 2SK2920 Q Q403 AE004386 TCKF059040 TRANSISTOR SILICON 2SC5904000LI Q405 AE005876 TNRAB05004 COMPOUND TRANSISTOR RT1N141C T1 Q407 AE005873 T8RA030520 TRANSISTOR SILICON 2SC3052 T1 Q408 AE005873 ...

Page 30: ...E005872 T6RA015300 TRANSISTOR SILICON 2SA1530A T1 Q1503 AE005873 T8RA030520 TRANSISTOR SILICON 2SC3052 T1 Q1504 AE005872 T6RA015300 TRANSISTOR SILICON 2SA1530A T1 Q1505 AE005873 T8RA030520 TRANSISTOR SILICON 2SC3052 T1 Q2001 AE005938 TNRAC05003 COMPOUND TRANSISTOR RT1N241C T1 Q3403 AD301934 TBA0013660 TRANSISTOR SILICON KTB1366 O Y Q3404 AE006306 TNRAB05005 COMPOUND TRANSISTOR RT1N140C T1 Q3603 BZ...

Page 31: ...L2106 AE005593 0216SD5R6J COIL 5 6 UH L3401 BZ310150 02167E220K COIL R7 22 UH L3402 BZ310150 02167E220K COIL R7 22 UH L3601 AE004752 02D6000068 COIL CHOKE ACM2012D 900 2P T00 L3602 AE004752 02D6000068 COIL CHOKE ACM2012D 900 2P T00 L3603 AE004752 02D6000068 COIL CHOKE ACM2012D 900 2P T00 L3604 AE004752 02D6000068 COIL CHOKE ACM2012D 900 2P T00 L3901 AE005285 0216S8470K COIL F 47 UH L3903 AE005588 ...

Page 32: ...C383037A CD808 BZ614392 WCL6830038 FLAT CABLE AWM2468 A WG26 5C GRAY 300MM CD852 AD301043 06CU232001 CORD CONNECTOR CU232001 CP101 BZ614214 069S2B0629 CONNECTOR PCB SIDE A2001WV2 11P CP103 AE001188 069S270639 CONNECTOR PCB SIDE A2001WR2 7P CP403 BZ614365 069S120419 CONNECTOR PCB SIDE A2502WV2 2P CP404 AE006075 069X460109 CONNECTOR PCB SIDE B06B DVS L LF CP501 BZ614283 069S420110 CONNECTOR PCB SIDE...

Page 33: ...0P4000M4 R NETWORK 4D03WGJ0000T5E NR3906 AE006386 110P4000M4 R NETWORK 4D03WGJ0000T5E NR3907 AE006386 110P4000M4 R NETWORK 4D03WGJ0000T5E NR3908 AE006386 110P4000M4 R NETWORK 4D03WGJ0000T5E NR3909 AE006386 110P4000M4 R NETWORK 4D03WGJ0000T5E NR3910 AE006386 110P4000M4 R NETWORK 4D03WGJ0000T5E NR3911 AE006386 110P4000M4 R NETWORK 4D03WGJ0000T5E NR3912 AE006386 110P4000M4 R NETWORK 4D03WGJ0000T5E NR...

Page 34: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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