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Toshiba 44HM85 Service Manual
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Toshiba 44HM85 Service Manual

Toshiba 44HM85 Service Manual

Projection television
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Download this manual See also: Owner's Manual
FILE NO. 050-200534

SERVICE MANUAL

Projection Television
44HM85
- 1 -
Published in Japan, Sep. 2005 (YC)
TOSHIBA CORPORATION 2005

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Summary of Contents for Toshiba 44HM85

  • Page 1: Service Manual

    FILE NO. 050-200534 SERVICE MANUAL Projection Television 44HM85 - 1 - Published in Japan, Sep. 2005 (YC) TOSHIBA CORPORATION 2005...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SAFETY PRECAUTIONS ................................3 SPECIFICATIONS ..................................4 DESCRIPTION OF CONTROLS ..............................5 ADJUSTMENT INSTRUCTION ..............................12 EXPLODED VIEW ..................................16 REPLACEMENT PARTS LIST ..............................17 PC BOARDS TOP & BOTTOM VIEW ............................32 BLOCK DIAGRAM ..................................39 SCHEMATIC DIAGRAM ................................

  • Page 3: Safety Precautions

    When the exposed metal has no return path to the chassis the reading must be infinite. An other abnormality exists that must be corrected before the receiver is returned to the customer. TOSHIBA OF CANADA LTD. 191 McNABB STREET, MARKHAM. ONTARIO, L3R 8H2, CANADA TEL : (905)470-5400...

  • Page 4: Specifications

    • This model complies with the specifications listed below. • Designs and specifications are subject to change without notice. • This model may not be compatible with features and/or specifications that may be added in the future. Model 44HM85 Horizontal Size (Inches) 39.9 Height (Inches) 29.2 Depth (Inches) 14.3...

  • Page 5: Description Of Controls

    DESCRIPTION OF CONTROLS Function Status Indicators Lamp indicator, operation indicator, and temperature indicator located below the front panel controls, reveal the operating status of the DLP projection TV. Operation Indicator Temperature Indicator Lamp Indicator Power cord is not connected. Power Cord is connected, unit is on standby mode. Operation Indicator Green TV turns on.
  • Page 6 Rear Connections Panel Connecting cables and external equipment to your TV. COMPONENT INPUT 1 INPUT 2 480i/480p/ 480i/480p/ 576i/576p/ 576i/576p/ AUDIO 720p/1080i 720p/1080i (L)/ MONITOR A/V 2 A/V 1 VIDEO MONO INPUT INPUT PC/DTV (SXGA/ 480p/ S-VIDEO S-VIDEO 576p/ 720p/ 1080i) VIDEO RGB INPUT...
  • Page 7 Front Connection Panel There are four jacks on the left side on your projection TV that make connecting Audio/Video devices like video games and camcorders very simple. The jacks are like those found on the back jack connection panel. This means that most equipment that connects to those types of jacks on the rear jackpack, may be connect- ed to the front connection panel.
  • Page 8 Remote Control Functions in TV Mode MODE Selects the remote operating mode: TV, VCR, Cable, DVD and Satellite. Select other oper- INDICATOR LIGHTS ating modes, for the remote to Show active remote mode control external devices. every time any button is VCR CABLE DVD SAT pressed.
  • Page 9 Remote Control Functions in TV Mode VCR CABLE DVD SAT MODE LIGHT POWER POWER Turns your TV or any other TV/VIDEO FRONT HDMI programmed equipment on or off, depending on mode. C/S HD1 C/S HD2 C/S HD1,HD2 Selects ColorStream HD signal Selects: RGB-DTV and sources, such as DVD or HD RGB-PC input sources.
  • Page 10 On-Screen Displays This page describes your on-screen display and information banner options. Main Channel Display Displays current channel number. PIP Display TV 13 This display CATV 16 appears when PIP is active. 11:17 AM Mute Mute Appears when sound is muted. Volume Volume level is displayed while adjusting the sound.
  • Page 11 Front Panel Controls POWER MENU ENTER (Same as ENTER button on your remote control) VOLUME UP / DOWN CHANNEL UP / DOWN Operation indicator. See menu pages for instructions on using the Lamp indicator. on-screen menus. Temperature indicator. The POWER, MENU, ENTER, VOLUME, and CHANNEL buttons work just as they do on your remote control.

  • Page 12: Adjustment Instruction

    ADJUSTMENT INSTRUCTION 1. Application Object (3) As shown <Fig. 1>, using the CH+ ( ), CH- ( ) keys to select an item, press the ENTER Key to enter the These instructions apply to the DLP Projection TV (Chassis: appropriate item and begin adjustment. MB-05DC).
  • Page 13 6. Screen Position Adjustment 6-4. Area code Adjustment (1) Enter the adjustment mode. Area code adjustment: default(H: 0, V: 0) (2) Select Number 1 to the Area code of the adjustment menu. 6-1. Required Test Equipment Remote Controller 7. Auto Color Balance Adjustment 6-2.
  • Page 14 Set TV into PC input (RGB) mode. Sub-screen(HUDSON) hand-operated compensation After adjustment of PC-XGA/60Hz completed, if color (1). Enter to the adjustment mode after receive the signals <Fig. 5> sensation of Vertical16 Gray Pattern seems out of order, it can Vertical 16 Gray pattern.
  • Page 15 9-4. NDC Adjustment 9. CWI/NDC Adjustment NDC Mode is for compensating the deviation of each Lamp. (Base value --> CWI: 160, NDC: 12) Adjust Left/Right value with using CH UP/DOWN key on the Remote Controller to set an uniformity for White color. 9-1.

  • Page 16: Exploded View

    EXPLODED VIEW * The availability of some parts shown is subject to the condition applied. - 16 -...

  • Page 17: 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 : 44HM85 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 18 Location Parts No. Reference Description C259 72782138 0CE226SF6DC ELECTROLYTIC, 22UF MVG 16V 20% SMD C276 72782142 0CE227SC6DC ELECTROLYTIC, 220UF MVG 6.3V 20% S C311 72782142 0CE227SC6DC ELECTROLYTIC, 220UF MVG 6.3V 20% S C321 72782132 0CE106SF6DC ELECTROLYTIC, 10UF MVG 16V 20% R/T C400 72782131 0CE105SK6DC...
  • Page 19 Location Parts No. Reference Description C605 72782132 0CE106SF6DC ELECTROLYTIC, 10UF MVG 16V 20% R/T C606 72782132 0CE106SF6DC ELECTROLYTIC, 10UF MVG 16V 20% R/T C607 72782132 0CE106SF6DC ELECTROLYTIC, 10UF MVG 16V 20% R/T C608 72782132 0CE106SF6DC ELECTROLYTIC, 10UF MVG 16V 20% R/T C609 72782118 0CK104CF56A...
  • Page 20 Location Parts No. Reference Description C724 72782118 0CK104CF56A CERAMIC, 0.1UF 1608 16V 10% R C725 72782118 0CK104CF56A CERAMIC, 0.1UF 1608 16V 10% R C726 72782118 0CK104CF56A CERAMIC, 0.1UF 1608 16V 10% R C727 72782118 0CK104CF56A CERAMIC, 0.1UF 1608 16V 10% R C728 72782118 0CK104CF56A...
  • Page 21 Location Parts No. Reference Description C813 72782111 0CC680CK41A CERAMIC, 68PF 1608 50V 5% R/T C814 72782111 0CC680CK41A CERAMIC, 68PF 1608 50V 5% R/T C815 72782112 0CK1010K515 CERAMIC, 100PF D 50V 10% B(Y5 C816 72782110 0CC100CK11A CERAMIC, 10PF 1608 50V 0.5 PF C817 72782118 0CK104CF56A...
  • Page 22 Location Parts No. Reference Description C915 72782105 0CN106KH67A FIXED TUBU, 10UF 4532 25V 20% R/ C917 72782142 0CE227SC6DC ELECTROLYTIC, 220UF MVG 6.3V 20% S C919 72782118 0CK104CF56A CERAMIC, 0.1UF 1608 16V 10% R C920 72782118 0CK104CF56A CERAMIC, 0.1UF 1608 16V 10% R C921 72782118 0CK104CF56A...
  • Page 23 Location Parts No. Reference Description C1123 72782118 0CK104CF56A CERAMIC, 0.1UF 1608 16V 10% R C1124 72782118 0CK104CF56A CERAMIC, 0.1UF 1608 16V 10% R C1125 72782118 0CK104CF56A CERAMIC, 0.1UF 1608 16V 10% R C1126 72782118 0CK104CF56A CERAMIC, 0.1UF 1608 16V 10% R C1127 72782118 0CK104CF56A...
  • Page 24 Location Parts No. Reference Description C1248 72782135 0CE107SF6DC ELECTROLYTIC, 100UF MVG 16V 20% SM C1249 72782153 0CE476SF6DC ELECTROLYTIC, 47UF MVG 16V 20% SMD C1250 72782153 0CE476SF6DC ELECTROLYTIC, 47UF MVG 16V 20% SMD C1251 72782153 0CE476SF6DC ELECTROLYTIC, 47UF MVG 16V 20% SMD RESISTORS AR100 72782373...
  • Page 25 Location Parts No. Reference Description R896 72782348 0RD2401F609 CARBON FILM, 2.4K OHM 1/6 W 5.00% R897 72782339 0RD1001F609 CARBON FILM, 1K OHM 1/6 W 5% TA52 R898 72782372 0RKZVTA001B 4.7M OHM 1/2 W 5% TA R899 72782333 0RD0271A609 CARBON FILM, 2.7 OHM 1/2 W(7.0) 5 F861 72782376 180-D02Y...
  • Page 26 Location Parts No. Reference Description T801 72782398 6170VMCA06P TRANSFORMER, SMPS[COI, EER4220 360UH 48TURN T830 72782399 6170VMCB131 TRANSFORMER, SMPS[COI, EER4215 660UH 5.5V(3 SEMICONDUCTORS 72795446 0TR387500AA TRANSISTOR, CHIP 2SC3875S(ALY) B 72795446 0TR387500AA TRANSISTOR, CHIP 2SC3875S(ALY) B 72795446 0TR387500AA TRANSISTOR, CHIP 2SC3875S(ALY) B 72795446 0TR387500AA TRANSISTOR, CHIP 2SC3875S(ALY) B...
  • Page 27 Location Parts No. Reference Description D203 72782223 0DS113379BA DIODE, 1SS133 T-72 TP ROHM D206 72782224 0DS226009AA DIODE, KDS226 TP KEC - 80V D207 72782224 0DS226009AA DIODE, KDS226 TP KEC - 80V D401 72782215 0DRDI00148A DIODE, B140A DIODES R/TP SM D611 72782227 0DZ848209AA DIODE, ZENER, BZX84C8V2 TP G.I SOT...
  • Page 28 Location Parts No. Reference Description IC500 72782270 0IMCRTH003B IC, THC63LVD104A, PB FREE IC501 72782248 0ICTM00019A IC, 2505999-0002 TEXAS I IC502 72782278 0IPRPTO002A IC, TC7S14F(T5L, T) TOSHI IC503 72782290 0IPMGSG018C IC, LD1086DT15TR SGS-THO IC511 72782299 0ISTLON023B IC, NL17SZ126DFT2G ON SE IC700 72782271 0IMCRTI011B IC, 2504886-0003(DDP1011...
  • Page 29 Location Parts No. Reference Description FL117 72782239 6200J000012 FILTER, EMI, NFL21SP207X1C3 MURAT FL118 72782239 6200J000012 FILTER, EMI, NFL21SP207X1C3 MURAT FL119 72782239 6200J000012 FILTER, EMI, NFL21SP207X1C3 MURAT FL120 72782239 6200J000012 FILTER, EMI, NFL21SP207X1C3 MURAT FL121 72782239 6200J000012 FILTER, EMI, NFL21SP207X1C3 MURAT FL122 72782242 6200VJT006A...
  • Page 30 Location Parts No. Reference Description P702A 72782175 366-921C CONNECTOR (CIRC), WAF, IL-G-04 LGC 2.5MM S/ P702B 72782175 366-921C CONNECTOR (CIRC), WAF, IL-G-04 LGC 2.5MM S/ P800A 72782170 366-009D CONNECTOR (CIRC), WAF, 2.36PAI 1P . K/M AUT P801A 72782170 366-009D CONNECTOR (CIRC), WAF, 2.36PAI 1P . K/M AUT P801B 72782170 366-009D...
  • Page 31 Location Parts No. Reference Description ACCESSORIES 72782624 3828VA0562C OWNER'S MANUAL 72782625 6710V00102Y REMOTE CONTROLLER 72782822 6851V00018H CABLE, DVI-D CABINET PARTS 72782388 6400WESC01A SPEAKER, WOOFER, C080P23K1450 ESTEC W 72782387 6400DESA01A SPEAKER, TWEETER, D016D01K1450 ESTEC T 72782317 6410VUH004A POWER CORD, UL/CSA3000MM 3P HUG 72782092 3091V00755B CABINET ASSEMBLY, RU-44SZ83D MONO MB04...

  • Page 32: Pc Boards Top & Bottom View

    PC BOARDS TOP & BOTTOM VIEW * The information contained in this section subject to model. MAIN BOARD BOTTOM (FOIL) SIDE - 32 -...
  • Page 33 MAIN BOARD TOP (COMPONENT) SIDE - 33 -...
  • Page 34 HD4 DRIVER BOARD HD4 DRIVER BOARD BOTTOM (FOIL) SIDE TOP (COMPONENT) SIDE - 34 -...
  • Page 35 CONTROL BOARD BOTTOM (FOIL) SIDE CONTROL BOARD TOP (COMPONENT) SIDE JACK BOARD JACK BOARD BOTTOM (FOIL) SIDE TOP (COMPONENT) SIDE - 35 -...
  • Page 36 SIDE A/V BOARD INTERFACE BOARD PRE-AMP BOARD TOP (COMPONENT) SIDE TOP (COMPONENT) SIDE TOP (COMPONENT) SIDE C/W Sensor BOARD BOTTOM (FOIL) SIDE SMPS BOARD TOP (COMPONENT) SIDE C/W Sensor BOARD TOP (COMPONENT) SIDE - 36 -...
  • Page 37 AC INPUT BOARD TOP (COMPONENT) SIDE CASE DET BOARD TOP (COMPONENT) SIDE - 37 -...