Toshiba 44NHM54 Service Manual
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Toshiba 44NHM54 Service Manual

Toshiba 44NHM54 Service Manual

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FILE NO. 050-200423
SERVICE MANUAL
44NHM84
DOCUMENT CREATED IN JAPAN, Dec., 2004

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Summary of Contents for Toshiba 44NHM54

  • Page 1 FILE NO. 050-200423 SERVICE MANUAL 44NHM84 DOCUMENT CREATED IN JAPAN, Dec., 2004...

  • Page 2: Safety Precautions

    SAFETY PRECAUTIONS IMPORT ANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SPECIFICATIONS ...................... 4 DESCRIPTION OF CONTROLS ................5 ADJUSTMENT INSTRUCTION ................12 PRINTED CIRCUIT BOARDS .................. 18 BLOCK DIAGRAM ....................29 EXPOLODED VIEW ....................30 EXPOLODED VIEW PARTS LIST ................. 31 SCHEMATIC DIAGRAM ..................32 ELECTRICAL REPLACEMENT PARTS LIST............48 - 57 - - 3 -...

  • Page 4: Specifications

    SPECIFICATIONS Product 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 44NHM84 Horizontal Size (Inches)

  • 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, TV is in standby mode. Operation Indicator Green TV turns on.
  • Page 6 DESCRIPTION OF CONTROLS Rear Connections Panel Connecting cables and external equipment to your TV. RF Connector: Antenna Used to connect analog ANT IN +75 Ω cable or antenna signals to the television, either directly or through your RGB INPUT cable box. PC/DTV S-VIDEO In (XGA/...
  • Page 7 DESCRIPTION OF CONTROLS Front Connection Panel There are four jacks on the left front of 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.
  • Page 8 DESCRIPTION OF CONTROLS 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 DESCRIPTION OF CONTROLS Remote Control Functions in TV Mode VCR CABLE DVD SAT MODE LIGHT POWER POWER Turns your TV or any other TV/VIDEO FRONT programmed equipment on or off, depending on mode. C/S HD1 C/S HD2 C/S HD1,HD2 Selects: RGB-DTV and Selects ColorStream HD signal RGB-PC input sources.
  • Page 10 DESCRIPTION OF CONTROLS On-Screen Displays This page describes your on-screen display and information banner options. Channel Label If a channel label has been Main Channel Display set, then it will appear here. Displays current channel number. PIP Display TV 13 This display MONO appears when...
  • Page 11 DESCRIPTION OF CONTROLS 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 INSTRUCTIONS 1. Application Object (3) As shown <Fig. 1>, using the (CH+ ( ), CH- ( )) key, select to item press the ENTER or VOLUME+ ( ) key to This instruction is for the application to the DLP enter the appropriate item and operate the adjustment.

  • Page 13: Screen Position Adjustment

    ADJUSTMENT INSTRUCTIONS 11. Screen Position Adjustment 12. White Balance Adjustment (Day Light Mode) : R fixation 11-1. Required Test Equipments Remote Control for Adjustment 12-1. Required Test Equipments 11-2. Horizontal Position Adjustment CA110 or CA210 (1) Press ADJ key on the remote control to enter the adjustment mode.
  • Page 14 ADJUSTMENT INSTRUCTIONS [ As temperature is different sensitivity, change angle of the 13. CWI (Color Wheel) Adjustment color wheel. At this time, the adjustment is done because color may be changed. 13-1. Required Test Equipments Remote control for adjustment 13-2. Preparation for Adjustment 14.

  • Page 15: Expoloded View

    EXPOLODED VIEW - 30 -...

  • Page 16: Expoloded View Parts List

    AZ680004 PCB ASSEMBLY, SUB DIGITAL MB-042G M/I FOR RU-44SZ83D (TOSHIBA OEM) 6871VSMT19A AZ680005 PCB ASSEMBLY, SUB MB-042G COMPONENT M/I FOR RU-44SZ83D (TOSHIBA OEM) 6871VSMAAHA AZ680006 PCB ASSEMBLY, SUB CRM MB04EA DRIVE M/I ASSY FOR LVDS HD2 (TOSHIBA) 6871VSMZ44F AZ780024 SHIELD, COVER DN-44SZ60D NB03KB AL DRIVER FRONT DLP720P SHILD CASE 4814V00394B...

  • Page 17: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST 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 18 ELECTRICAL REPLACEMENT PARTS LIST LOCA. NO. PART NO. DESCRIPTION REFERENCE NO. LOCA. NO. PART NO. DESCRIPTION REFERENCE NO. IC808 AZ681050 74LX1G14CTR 5P SOT323-5L 0IMCRSG008A Q205 AZ580002 CHIP 2SC3875S(ALY)KEC 0TR387500AA IC809 AZ681052 LD1086DT15TR 2P 0IPMGSG018C Q206 AZ580006 KRA102S SOT23 CHIP TR 0TR102008AA IC810 AZ681053 SC15651ST-1.8 3P SOT223...
  • Page 19 ELECTRICAL REPLACEMENT PARTS LIST LOCA. NO. PART NO. DESCRIPTION REFERENCE NO. LOCA. NO. PART NO. DESCRIPTION REFERENCE NO. D707 AZ480008 1SS133 T-72 TP DO34 90V 0DS113379BA C113 AZ180007 1UF 2012 16V 20% 0CK105DF64A C115 AZ180005 10UF STD 16V M 0CE106DF618 D708 AZ480008 1SS133 T-72 TP DO34 90V 0DS113379BA...
  • Page 20 ELECTRICAL REPLACEMENT PARTS LIST LOCA. NO. PART NO. DESCRIPTION REFERENCE NO. LOCA. NO. PART NO. DESCRIPTION REFERENCE NO. C211 AZ180017 220000PF 2012 16V 10% 0CK224DF56A C611 AZ180020 0.1UF 1608 16V 10% 0CK104CF56A C212 AZ180007 1UF 2012 16V 20% 0CK105DF64A C612 AZ180020 0.1UF 1608 16V 10% 0CK104CF56A C212...
  • Page 21 ELECTRICAL REPLACEMENT PARTS LIST LOCA. NO. PART NO. DESCRIPTION REFERENCE NO. LOCA. NO. PART NO. DESCRIPTION REFERENCE NO. AZ180023 220UF STD 10V M 0CE227DD618 C734 AZ180020 0.1UF 1608 16V 10% 0CK104CF56A C700 AZ180020 0.1UF 1608 16V 10% 0CK104CF56A C735 AZ180020 0.1UF 1608 16V 10% 0CK104CF56A C701 AZ180020 0.1UF 1608 16V 10%...
  • Page 22 ELECTRICAL REPLACEMENT PARTS LIST LOCA. NO. PART NO. DESCRIPTION REFERENCE NO. LOCA. NO. PART NO. DESCRIPTION REFERENCE NO. C778 AZ180020 0.1UF 1608 16V 10% 0CK104CF56A C833 AZ180048 10P 50V D NP0 TS 0CC1000K115 C834 AZ180020 0.1UF 1608 16V 10% 0CK104CF56A C779 AZ180020 0.1UF 1608 16V 10% 0CK104CF56A...
  • Page 23 ELECTRICAL REPLACEMENT PARTS LIST LOCA. NO. PART NO. DESCRIPTION REFERENCE NO. LOCA. NO. PART NO. DESCRIPTION REFERENCE NO. C913 AZ180020 0.1UF 1608 16V 10% 0CK104CF56A P102 AZ780008 CONNECTOR, D-SUB 24P 1.91MM 6630GZ00724 C915 AZ180014 47UF MVG 16V M 0CE476SF6DC P102B AZ780007 CONNECTOR, DIN41612 SOCKET 6630B60F532 C919...
  • Page 24 ELECTRICAL REPLACEMENT PARTS LIST LOCA. NO. PART NO. DESCRIPTION REFERENCE NO. LOCA. NO. PART NO. DESCRIPTION REFERENCE NO. R817 AZ280015 510K OHM 1/4 W 1% 0RN5103G409 FILTER & CRYSTAL R818 AZ280016 22K OHM 1/6 W 5% 0RD2202F609 FB851 AZ380001 FILTER, EMC BFD3565R2F 125-123A R819 AZ280017 56K OHM 1/6 W 5%...
  • Page 25 DESCRIPTION REFERENCE NO. LOCA. NO. PART NO. DESCRIPTION REFERENCE NO. L910 AZ380005 FILTER, EMC MLB-201209-0120P-N2 0LCML00003B ACCESSORIES AZ684004 MANUAL, OWNERS TOSHIBA 3828VA0465G T300 AZ380011 FILTER, B.P .AFM730F6M00X3 0IZZVF0022C (AF9497A) AZ684003 REMOTE CONTROLLER, TOSHIBA 6710V00102R T400 AZ380003 FILTER, EMC STC222D 50VOLT 4A...
  • Page 26 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

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