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SERVICE MANUAL

LCD Color Television

27HL85

FILE NO.  020-200504

REVISED.1

Published in Japan,  

Jun

. 2005 (YC)

 

 TOSHIBA  CORPORATION  2005

Содержание TheaterWide 27HL85

Страница 1: ... 1 SERVICE MANUAL LCD Color Television 27HL85 FILE NO 020 200504 REVISED 1 Published in Japan Jun 2005 YC TOSHIBA CORPORATION 2005 ...

Страница 2: ...LING THE LCD MODULE 5 SERVICE MODE 7 LAYOUT OF MAJOR BOARDS 12 MECHANICAL DISASSEMBLY 13 EXPLODED VIEW 15 PACKING DISASSEMBLY 17 CHASSIS AND CABINET REPLACEMENT PARTS LIST 18 PC BOARDS TOP BOTTOM VIEW 23 CIRCUIT BLOCK DIAGRAM 37 APPENDIX SCHEMATIC DIAGRAM ...

Страница 3: ...f injury or where there could be physical damage in the event of operational error Physical damage means major damage to a home furnishings and other possessions Examples of marks SHOCK HAZARD PROHIBIT DISASSEM BLING UNPULUG The indicates caution including danger and warning The actual meaning of this caution is indicated inside the or nearby illustrations or text The example shown to the left ind...

Страница 4: ...ark is included in a circuit diagram or parts list Parts mounting and routing of the wiring should be the same as that used originally For safety purposes insulating materials such as tubing or tape is sometimes used and printed circuit boards are sometimes mounted floating Also make sure that wiring is routed and clamped to avoid parts that generate heat and which use high voltage Always follow t...

Страница 5: ...of the LCD module with the corresponding holes in the LCD cover and fasten with screws Do not strongly push on the mod ule because any impact can adversely affect the perform ance Also use caution when handling the polarized screen because it can easily be damaged CAUTION The metal edges of the LCD module are sharp so use caution to avoid in jury 3 If the panel surface becomes soiled wipe with cot...

Страница 6: ...ecifications Failure to do so could result in freezing of the liquid crystal due to cold air or loss of resilience or other damage 9 Do not disassemble the LCD module Such actions could result in improper operation 10 When transporting the LCD module do not use packing containing epoxy resin amine or silicon resin alcohol or oxim The gas generated by these materials can cause loss of polarity ...

Страница 7: ...E Test signal selection TV VIDEO button on Remote Selection of the adjustment items Channel on TV or Remote Change of the data value Volume W X on TV or on Remote Adjustment menu mode ON OFF MENU button on Remote Initialization of the memory CALL Channel button on TV Reset the count of operating protect circuit to 00 CALL Channel button on TV RCUT selection 1 button GCUT selection 2 button BCUT se...

Страница 8: ...POWER button to turn off the TV once INITIALIZATION OF MEMORY DATA After replacing EEPROM IC the following initialization is required 1 Enter the service mode then select any register item 2 Press and hold the CALL button on the Remote then press the CHANNEL button on the TV The initialization of EEPROM IC has been completed 3 Check the picture carefully If necessary adjust any adjustment item abo...

Страница 9: ...of turn the TV on Unit H 3 Power Operation number of protecting circuit 000 is normal When indication is other than 000 overcurrent apt to flow and circuit parts may possibly be damaged 4 Bus line OK is normal SCL GND Red indication SCL GND short circuit SDA GND Red indication SDA GND short circuit SCL SDA Red indication SCL SDA short circuit 5 Bus cont OK is normal NG is abnormal Red indication W...

Страница 10: ...r OSD Version indicates HL85_0100 U15 2 EEPROM Version information of EEPROM Display 1 byte data 3 SUB MPU Version information of SUB MPU Display 1 byte data 4 OPTION Option information Display six numbers of 1 byte data 5 HDMI ID HDMI ID information Display 4 byte data 6 LCD Panel Vender information display The following Panel Vender and screen size are displayed HL85_0100 U15 32 20 00 01 34 00 0...

Страница 11: ...mation Display RF position number 0 99 on the main screen or Input Source EXT1 2 3 HDMI etc 2 MAIN FORMAT Display Video and PC format information 3 MAIN PLL Main PLL information Display 1 byte data at five 4 SCREEN SIZE Display the screen size as follows 5 OTHER STATUS Other status information Display three numbers of 2 byte data Theater Wide 1 Theater Wide 2 Theater Wide 3 FULL NATURAL EXT1 480i ...

Страница 12: ... 12 LAYOUT OF MAJOR BOARDS U101A AV TERMINAL BOARD U103A SIGNAL BOARD U101C KEY BOARD U101B LED BOARD U812 AC IN BOARD U811 POWER BOARD ...

Страница 13: ...445 A420 MECHANICAL DISASSEMBLY 1 Remove the stand foot and back cover 2 Remove the KEY board and piece key ass y P801 A315 PP4 8 SW W SBN 2 BITTB3 8 SBN 2 PP3 8 SW W SBN 2 PP4 8 SW W SBN PP4 8 SW W SBN PP4 8 SW W ECO 6 PP4 8 SW W SBN 2 BITTB3 12 SBN 2 A340 A320 U101C ...

Страница 14: ...P08 PP08 BITTB3 12 ECO 2 PP3 8 SW W ECO 6 PP3 8 SW W ECO 4 PP3 8 SW W ECO 5 PP3 8 SW W ECO 5 U103A U101B U101A U811 U812 3 Remove the boards POWER AC IN SIGNAL AV OTHER LED RMT and speaker 4 Remove the display PP08 B001 A201 PP4 12 SW W ECO 4 BITTB4 16 ECO 14 ...

Страница 15: ...WS 1 Chassis Block PP4 8 SW W SBN 2 BITTB3 12 SBN 2 PP4 8 SW W SBN PP4 8 SW W SBN PP4 8 SW W ECO 6 BITTB3 8 SBN 2 PP4 8 SW W SBN 2 BITTB3 16 SBN 10 PP3 8 SW W SBN 4 A450 A445 A401 A420 PP5 16 SW W SBN 5 A340 A320 U101C ...

Страница 16: ...CO 6 BITTB4 16 SBN 4 BITTB4 16 SBN 4 PP3 8 SW W ECO 5 PP3 8 SW W ECO 5 BITTB3 12 ECO 2 PP4 12 SW W ECO 4 BITTB4 16 ECO 14 PP08 PP12 H001 PP08 PP08 W661 W661 A201 B001 PP3 8 SW W SBN 2 P801 A315 U103A U101B U101A U811 U812 2 Main Block ...

Страница 17: ... 17 PACKING DISASSEMBLY A702B A702B A702A A702A Y170 Y101 A701A A703 K902 Y109 ...

Страница 18: ...LYTIC 25V 47UF M 3A C674 76073081 ELECTROLYTIC 50V 1UF M 3A C675 76669339 ELECTROLYTIC 50V 3 3UF M C676 76796101 ELECTROLYTIC 35V 100UF M C677 76797100 ELECTROLYTIC 50V 10UF M C678 76503041 PLASTIC FILM 63V 0 1UF J C679 76503041 PLASTIC FILM 63V 0 1UF J C680 76073072 ELECTROLYTIC 35V 1000UF M 3A C681 76073072 ELECTROLYTIC 35V 1000UF M 3A C682 76073072 ELECTROLYTIC 35V 1000UF M 3A C684 76109103 CER...

Страница 19: ...680 76011103 CHIP 1 20W 10K OHM J R681 76011103 CHIP 1 20W 10K OHM J R682 76011104 CHIP 1 20W 100K OHM J R683 76011223 CHIP 1 20W 22K OHM J R684 76011104 CHIP 1 20W 100K OHM J R685 76011183 CHIP 1 20W 18K OHM J R686 76011102 CHIP 1 20W 1K OHM J R688 76552331 OXIDE METAL FILM 1 2W 330 OHM J R693 76552331 OXIDE METAL FILM 1 2W 330 OHM J R801 76004716 METAL GLAZE 1 2W 2 2M OHM J R803 76366182 CARBON ...

Страница 20: ...8TYPE RV44 76000445 CHIP JUMPER 1608TYPE RV76 76011750 CHIP 1 20W 75 OHM J RV79 76000445 CHIP JUMPER 1608TYPE RV82 76011822 CHIP 1 20W 8 2K OHM J COIL TRANSFORMERS L101 23248398 COIL CHOKE TLN3278D L102 23103828 INDUCTOR BEAD TEM2121M L103 23103828 INDUCTOR BEAD TEM2121M L122 23246654 COIL CHIP TRF4220CG L801 23217782 TRANSFORMER CHOKE 8 1MH 3 0A TPW2067AS L802 23217783 TRANSFORMER CHOKE 3 05MH 3 ...

Страница 21: ...06 DIODE AK04 DE51 23357842 DIODE ZENER MTZJ6 8B DE52 23357703 DIODE 1SS355 DE54 23357703 DIODE 1SS355 DE55 23357748 DIODE ZENER MA8062 M DE56 23357800 DIODE ZENER MA8300 H DE72 23357366 DIODE FR105 B5 DE75 23357408 DIODE FMX 12S 023 108 DE90 23357866 DIODE ZENER MTZJ12C DE92 23357862 DIODE ZENER MTZJ11B DE93 23357862 DIODE ZENER MTZJ11B DE94 23357862 DIODE ZENER MTZJ11B DE96 23357840 DIODE ZENER ...

Страница 22: ...SOFT VER 4 7 IC400 SR81 23146588 RELAY DLS5D1 O M 0 15W W661 23351292 SPEAKER SPK1410AM 60X120 8 OHM 10W PC BOARD ASSEMBLIES U101A 75001304 PC BOARD ASSY PD 2165A1 AV TERM U101B 75001305 PC BOARD ASSY PD2165A2 LED U101C 75001306 PC BOARD ASSY PD2165A3 KEY U103A 75005450 PC BOARD ASSY PD2131G1 SIGNAL U811 75001399 PC BOARD ASSY PD2164A1 POWER U812 75001400 PC BOARD ASSY PD2164A2 AC IN TUNER H001 23...

Страница 23: ... C680 RV20 R6642 GR691 DE99 R896 CE90 R656 RE96 C6614 QE97 QE95 CE91 R6644 RV18 RV25 RV21 RE91 RE97 R895 RE88 C682 R6652 R897 FE94 QE98 DE93 P819 DV01 CE92 R6631 RE95 P818 QE96 C6609 C6605 Q653 R6645 DE92 R6646 RV23 QE91A R894 QE90A R6632 DV02 D897 QV61 FE90 R6643 RE85 QE90 RE93 CE93 C6612 RE87 QE94 CV10 C6610 RV600 Q651 CE87 C8001 DE94 R6650 DE90 DE95 QE91 RE98 RE90 C6608 P803B D896 RV81 RV80 R66...

Страница 24: ...8 CV68 C6990 C671 C6602 C674 QV16 C675 PV12 C661 PV14 C6615 Q670 C666 C677 PJ60A C660 C681 C679 C665 C664 CV74 PV13 CV72 C678 P602A C667 C673 C6613 C6607 C676 C6606 C656 C670 QE94A DE97 DE98 PV11 DE91 C680 CE90 C6614 CE91 RE97 C682 FE94 DE93 P819 CE92 RE95 P818 Q6605 QE96 C6609 C6605 DE92 QE91A QE90A FE90 QE90 CE93 C6612 QE94 Q670A C6610 CE87 C8001 DE94 DE90 QE91 C6608 P803B Q6600 L105 PJ22A QV16 ...

Страница 25: ...R688 KB01 P602B P601 R693 P661 CB02 DB04 CB05 CB01 DB01 PJ41A LED BOARD PD2165A2 U101B BOTTOM FOIL SIDE LED BOARD PD2165A2 U101B TOP COMPONENT SIDE 23547823 DS 7209 1 6 RA77 DA06 RA74 RA78 RA73 RA72 RA71 DA07 DA01 RA79 RA77 SA05 SA06 DA06 SA01 RA74 RA78 RA73 RA72 RA71 SA07 DA07 SA03 SA04 SA02 DA01 RA79 PJ42A 23590251A PD2165 POWER 3 VOL DN VOL UP CH DN CH UP VIDEO MENU PJ42A SA01 SA07 SA03 SA04 SA...

Страница 26: ... 29 SIGNAL BOARD PD2131G1 U103A BOTTOM FOIL SIDE ...

Страница 27: ... 30 SIGNAL BOARD PD2131G1 U103A TOP COMPONENT SIDE ...

Страница 28: ...802 D811 CE16 RE16 CE12 LE11 R80 8 R817 Q801A CE07 R E 29 R805 R815 FE01 C824 D806 DE15 D812 CE23 RE23 R814 DE07 CE10 CE09 C825 CE18 C827 L804 DE11 R809 DE08 R813 C815 R803 P811B C810 QE01A P812B RE15 C819 R812 RE17 CE17 DE09 R807 RE19 RE13 DE14 RE18 C804 DE16 D810 QE01 R E 1 2 Q801 R806 CE22 C820 DE13 DE19 RE14 D805 C817 D809 CE29 C 82 1 C 82 2 DE77A DE75A L878 CE86 CE24 QE26 C823 C813 R890 D813 ...

Страница 29: ...3 2 1 1 AC_IN 2 1 125V 8A R851 C80 5 CE04 P813A C8100 C8110 C E 0 5 LE06 C 8 0 6 L806 L807 P811A GJ92 GJ91 C851 D801 SR81 GJ93 R828 R853 Q854 D852 R857 Q851 R854 R856 C852 R859 Q853 Q852 R852 R858 R850 R855 D801A R827 Q855 DE01 L802 C812 CE13 DE02 DE03 RE 03 LE07 P812A L801 GJ94 CE02 C811 F801B RE04 CE14 F801 C802 GJ90 F801A GJ89 GJ88 T802 GJ87 P800 D899 P805B R801 T801 GAP C801 R899 C851 R853 Q85...

Страница 30: ... indicated to chassing ground using a color bar signal with all controls at normal line voltage 220 volts 5 Waveforms are taken receiving color bar signal with enough sensitivity 6 Voltage reading shown are nominal values and may vary 20 except H V MODEL 27HL85 SCHEMATIC DIAGRAM WARNING BEFORE SERVICING THIS CHASSIS READ THE SERVICE SAFETY PRECAUTIONS ON PAGE 3 OF THIS MANUAL CAUTION The internati...

Страница 31: ...OM1 SHEET 309 22 47 EEPROM2 SHEET 310 23 47 MICRO I O SHEET 400 24 47 OCM MEMORY I F SHEET 401 25 47 FLASH MEMORY SHEET 402 26 47 SYNC SEPA SHEET 403 27 47 E2P OTHER SHEET 404 28 47 STD BY MICOR SHEET 405 29 47 CORTEZ REG 1 SHEET 406 30 47 CORTEZ REG 2 SHEET 407 31 47 CORTEZ REG 3 SHEET 408 32 47 BOOT CONFIG SHEET 409 33 47 SERVICE CONNECTOR SHEET 410 34 47 I2C Switch SHEET 411 35 47 AUDIO 1 2 SHE...

Страница 32: ...MADi Scaling BEP LVD S OSD Micro processor IR I F Digital Input A Digital Input B 2nd Channel Process STAND BY MICRO DDR SDRAM IO EXP DDR SDRAM I2C MSP SIGNAL BOARD I2C PC IN POWER BOARD AC INPUT Audio out AV BOARD TIF EXT in GPIO AD I2C PANEL CORTEZ FLASH ROM EEPROM PANEL I F FLI8532 CIRCUIT BLOCK DIAGRAM ...

Страница 33: ......

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