Related Manuals for Toshiba 52HM85
Summary of Contents for Toshiba 52HM85
- Page 1 FILE NO. 020-200506 ( R E V I S E D . 1) SERVICE MANUAL Projection Television 52HM85 62HM85 Published in Japan Nov. 2005 (YC) TOSHIBA CORPORATION 2005...
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Page 2: Table Of Contents
TABLE OF CONTENTS SAFETY INSTRUCTIONS .............................. 3 SERVICE MODE ................................4 SETTING & ADJUSTING DATA ............................7 LAMP UNIT REPLACEMENT ............................8 LIGHT ENGINE REPLACEMANT..........................PARTS REPLACEMENT IN LIGHT ENGINE....................... EXPLODED VIEW ................................ 15 MECHANICAL DISASSEMBLY ............................ 16 CHASSIS REPLACEMENT PARTS LIST ........................17 PC BOARDS TOP AND BOTTOM VIEW ........................ -
Page 3: Safety Instructions
SAFETY INSTRUCTIONS SAFETY PRECAUTION WARNING: Service should not be attempted by anyone unfamiliar with the necessary precautions on this receiver. The following 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 service is performed on the receiver. -
Page 4: Service Mode
SERVICE MODE 1. ENTERING SERVICE MODE 1) Press MUTE button twice 2) Press MUTE button 3) While pressing the MUTE button, on Remote Control. again and keep pressing. press MENU button on TV set. MUTE (Service mode display) 2. DISPLAYING THE ADJUSTMENT MENU 1) Press MENU button on TV. - Page 5 6. 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 if interface among IC’s is executed properly. 2) During diagnosis, the following displays are shown. SELF CHECK NO.
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Page 6: Lamp Unit Replacement
7. LED indications The green and red LED lights on the TV control touchpad Control touchpad on TV front (on the lower right corner of the TV screen) indicate the TV's current status, as follows: Green ON Solid (not blinking) = Control touchpad TV/VIDEO EXIT CHANNEL... -
Page 7: Setting & Adjusting Data
SETTING & ADJUSTING DATA SERVICE MODE ADJUSTING ITEMS AND DATA IN THE SERVICE MODE: Item Name of adjustment Preset Data Item Name of adjustment Preset Data RCUT R CUT OFF OPT1 TV SET OPTION 1 GCUT G CUTOFF TVOP TV OPTION BCUT B CUT OFF PLLW0... -
Page 8: Lamp Unit Replacement
LAMP UNIT REPLACEMENT Cautions when replacing LAMP UNIT (E998Z; PJ-D95-LMP) The light source for this TV is a mercury lamp with internal atmospheric pressure that increases during use. The lamp has a limited service life that varies depending on user settings. If you use the lamp beyond its service life: you may notice a reduction in the colors and/or brightness of the pic- ture;... - Page 9 Turn off the TV and unplug the power cord. Grasp the lamp unit handle and gently pull the lamp unit straight out of the TV. Set the old lamp unit aside. STOP! Allow the lamp to cool for at least one (1) hour before replacing it.
- Page 10 Reattach the lamp unit door, making sure to insert the hook on the left side of the lamp unit door inside the opening in the TV cabinet. Replace the thumb screw and hand-tighten. Plug in the power cord and turn on the TV. After the initial warmup period (which may take up to 45 seconds for full picture brightness), the TV should operate nor- mally.
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Page 11: Light Engine Replacemant
1-2. Adjustment is made from service mode. The adjusting Cautions when replacing LIGHT ENGINE items consist of CWDL, CWDH and DMDB. LIGHT ENGINE UNIT: A271 : LV-672 TB 0B ; 52HM85, LV-672 TB 0D ; 62HM85 CWDL CWDH (Including with E998Z, SK01 to SK04, SK06, SK08 and SK09.) - Page 12 Conversion Table for Decimal and Hexadecimal Numbers CW delay CW delay CW delay CW delay CW delay CWDH CWDL CWDH CWDL CWDH CWDL CWDH CWDL CWDH CWDL number number number number number 0000 0370 0740 1110 1480 0005 0375 0745 1115 1485 0010...
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Page 13: Parts Replacement In Light Engine
PARTS REPLACEMENT IN LIGHT ENGINE Replacement of Ballast FAN (SK03) Replacement of Lamp FAN (SK01) 1-1. Replace the FAN for cooling Lamp (SK01), remove 2 2-1. Replace the FAN for cooling Ballast Power Unit (SK03), screws on the FAN hood, and then remove 4 screws on remove the 4 pins by pressing into the unit, and then the FAN for cooling Lamp. - Page 14 SERVICE KIT, BALLAST FAN Thermostat (SK04) SK04 23587528 SERVICE KIT, THERMOSTAT SK06 23587536 SERVICE KIT, B TO F CABLE SK08 23587538 SERVICE KIT, S TO F CABLE SK09 23587539 SERVICE KIT, FAN TRANSFER CABLE Note; #1: 52HM85 #2: 62HM85 – 14 –...
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Page 15: Exploded View
EXPLODED VIEW W661 12 screws 4 screws Note ; A205 (Back Cover Assy) includes A204, W661 and W662 except A101. A204 K601 12 screws 4 screws 3 screws 3 screws A101 UA02 2 screws W662 4 screws 2 screws UV03 1 screw A225 UA06... -
Page 16: Mechanical Disassembly
MECHANICAL DISASSEMBLY 1 Rear Cover Removal 2 Touchpad & Bezel Ass'y Removal 12 screws A201 A401 UA02 2 screws 4 screws 2 screws UV03 1 screw UA06 A227 13 screws A333 A222 3 Mirror Removal 4 Speaker Removal A205 A204 4 screws W661 W662... -
Page 17: Chassis Replacement Parts List
The part number must be used when ordering parts, in order to assist in processing, be sure to include the Model number and Description. The PC board assembly with mark is no longer available after the end of the production. Model : 52HM85/62HM85 Capacitors ..... CD : Ceramic Disk PF : Plastic Film EL : Electrolytic Resistors .... - Page 18 Location Parts No. Description Location Parts No. Description C8905 76073002 ELECTROLYTIC, 6.3V 220UF M 3A CV70 76794101 ELECTROLYTIC, 16V 100UF M C8911 76503047 PLASTIC FILM, 63V 0.33UF J CV71 76092621 CERAMIC CHIP, 10V B 1UF K C8912 76503047 PLASTIC FILM, 63V 0.33UF J CV72 76794220 ELECTROLYTIC, 16V 22UF M C8921...
- Page 19 Location Parts No. Description Location Parts No. Description R614 76011103 CHIP, 1/20W 10K OHM J R8904 76366472 CARBON FILM, 1/6W 4.7K OHM J R615 76011104 CHIP, 1/20W 100K OHM J R8905 76366681 CARBON FILM, 1/6W 680 OHM J R616 76011822 CHIP, 1/20W 8.2K OHM J R8908 76366104 CARBON FILM, 1/6W 100K OHM J R621...
- Page 20 Location Parts No. Description Location Parts No. Description RS15 76011562 CHIP, 1/20W 5.6K OHM J RY102 76011221 CHIP, 1/20W 220 OHM J RS16 76011562 CHIP, 1/20W 5.6K OHM J RY103 76011102 CHIP, 1/20W 1K OHM J RS21 76011101 CHIP, 1/20W 100 OHM J RY104 76011102 CHIP, 1/20W 1K OHM J RS22...
- Page 21 Location Parts No. Description Location Parts No. Description GJ105 76000445 CHIP JUMPER, 1608TYPE Q172 23205347 TRANSISTOR, KTC4075Y/P GR103 76000445 CHIP JUMPER, 1608TYPE Q601 23009603 IC, AN7580 JR003 76000445 CHIP JUMPER, 1608TYPE Q612 23205346 TRANSISTOR, KTA2014Y/P JR004 76000445 CHIP JUMPER, 1608TYPE Q613 23205347 TRANSISTOR, KTC4075Y/P JR005...
- Page 22 Location Parts No. Description Location Parts No. Description QY508 23205506 TRANSISTOR, 2SC4081 Q DA91 23357406 DIODE, ZENER, UDZS5.6B QY509 23205506 TRANSISTOR, 2SC4081 Q DA92 23357406 DIODE, ZENER, UDZS5.6B QY511 23205507 TRANSISTOR, 2SA1576A Q DB03 23358615 DIODE, LED INFRARED, SIR-56SB3F QY512 23205507 TRANSISTOR, 2SA1576A Q DB81 23358584 DIODE, LED, SML-811UTT86...
- Page 23 Location Parts No. Description Location Parts No. Description Q893B 23717241 SCREW, BITTB3X8ECO SK01 23587525 SERVICE KIT, LAMP FAN Q894B 23717241 SCREW, BITTB3X8ECO SK02 23587526 SERVICE KIT, DMD FAN S810 23344522 SWITCH, SPVF11 SK03 23587527 SERVICE KIT, BALLAST FAN SR81 23146588 RELAY, DLS5D1-O(M) 0.15W SK04 23587528 SERVICE KIT, THERMOSTAT SR82...
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Page 24: Pc Boards Top And Bottom View
BACK AV BOARD PD1774C (U103) BOTTOM (FOIL) SIDE PV04 PB60 PS01 PV14 CV253 11 10 9 5 4 3 2 1 RY587 RY596 RY594 CV253 DV250 PX18 PX19 DV249 DV01 CV254 DV244 CV255 DV03 QV009 QV009 DV250 DV05 DV249 RV32 DV07 RY588 RV330... - Page 25 BACK AV BOARD PD1774C (U103) TOP (COMPONENT) SIDE PX19 PV04 PX18 CV01 PV14 RV01 CV01 RV09 RV03 CV03 CV03 RV10 PS01 RV06 CV04 CV04 RV07 QV01 RV08 CV05 CV05 CV11 RV11 CV11 RV12 CV13 CV13 RV14 CV14 CV14 RY576 RV15 CV47 RY505 RV17...
- Page 26 MAIN POWER BOARD PD2128A-1 (U802) BOTTOM (FOIL) SIDE F8210 F8210 P891 P891 D883 D883 R888 R888 L890 L890 1.5A 125V 1.5A 125V D866 D866 R885 R885 C883 C883 D865 D865 R866 R866 C884 C884 L861 L861 Q862 Q862 R869 R869 P892 P892 D883A...
- Page 27 IF AUDIO BOARD PD1775D (U101) BOTTOM (FOIL) SIDE D614 P807B D894 R892 R693 D611 P106 D895 R152 BB10 BB20 D896 R155 D612 R155 R152 R154 D612 R612 Q612 D101 D897 T802 Q153 D615 R687 GJ151 R614 Q612 R614 CY102 R613 R611 Q601A R613...
- Page 28 SCALER BOARD PD2208A1 (52HM85) (UD02) SCALER BOARD PD2208B1 (62HM85) (UD02) BOTTOM (FOIL) SIDE – 32 – – 33 –...
- Page 29 SCALER BOARD PD2208A1 (52HM85) (UD02) SCALER BOARD PD2208B1 (62HM85) (UD02) TOP (COMPONENT) SIDE – 34 – – 35 –...
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Page 30: Terminal View Of Transistors
TERMINAL VIEW OF TRANSISTORS 2SC5144 2SC3852 2SC752 2SA1788 2SC752GTM 2SC5859 2SD1763A 2SC2482 2SA562TM 2SC1569 2SC2655 2SA1015 2SC4544 2SC4721P 2SC1815 2SA1788 2SC2878 2SA1306 2SC1740S 2SA1186A 2SC2120 2SA9335 RN2203 2SD1554 ON4409 2SD2253 RN2201 RN2004 2SD1556 RN1203 2SD2553 RN1204 2SC5143 RN2204 RN1205 RN1202 RN1201 - 36 -... - Page 31 SCHEMATIC DIAGRAM MODEL : 52HM85/62HM85 WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON THE MANUAL FOR THIS MODEL. CAUTION: The international hazard symbols " " in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list.
- Page 32 SCHEMA TIC DIAGRAM STRUCTURE: BACK AV Circuit (1/5) [ SHEET - 1/5 ] ..1/52 (2/5) [ SHEET - 2/5 ] ..2/52 (3/5) [ SHEET - 3/5 ] ..3/52 (4/5) [ SHEET - 4/5 ] ..4/52 (5/5) [ SHEET - 5/5 ] ..
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