1. Manuals
  2. Brands
  3. Hitachi Manuals
  4. Projection TV
  5. 50VX915 - LCD Projection TV
  6. Service manual

Hitachi 50VX915 Service Manual

Hide thumbs Also See for 50VX915:

Quick Links

See also: Operating Manual
SERVICE MANUAL
N N T T S S C C
This addendum includes all information necessary for the 50VX915, 60VX915
and 70VX915. All features / adjustments please refer to Service Manual of
50/60VS710, 60VS810, 50/60V710/715, 42V710/715 when servicing.
The electrical and mechanical parts list only lists parts that are different from
SIMPLE REMOTE CONTROL ..............................................................................................2
CIRCUIT DIAGRAMS ............................................................................................................3
EXPLODED VIEWS ............................................................................................................23
REPLACEMENT PARTS LIST ............................................................................................30
NOTE:
If a part does not list in this addendum, please refer to Service Manual PA No. 0191
CAUTION:
These servicing instructions are for use by qualified service personnel only. To reduce the risk of
electric shock do not perform any servicing other than that contained in the operating instructions
unless you are qualified to do so.
Components having special safety characteristics are identified by a
Service Data and its supplements and bulletins. Before servicing the chassis, it is important that the service technician
read and follow the "Important Safety Instructions" in this Service Manual.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
LCD REAR PROJECTION TELEVISION
OCTOBER 2004
Version 0195-4
L L C C 4 4 9 9 / / B B / / C C
C C h h a a s s s s i i s s
Service Manual PA No. 0191
SAFETY NOTICE
USE ISOLATION TRANSFORMER WHEN SERVICING
HHEA-MANUFACTURING DIVISION
PA
50VX915
60VX915 LC49B
70VX915 LC49C
R/C: CLU-3841WL
CONTENTS
on the schematics and on the parts list in this
!
No. 0195
LC49
CLU-122S
Updated 12/13/2005
Updated 02/02/2005
Updated 05/23/2005
Updated 11/07/2007
loading

Related Manuals for Hitachi 50VX915

Summary of Contents for Hitachi 50VX915

  • Page 1 CLU-122S C C h h a a s s s s i i s s This addendum includes all information necessary for the 50VX915, 60VX915 and 70VX915. All features / adjustments please refer to Service Manual of 50/60VS710, 60VS810, 50/60V710/715, 42V710/715 when servicing.

  • Page 2: Simple Remote Control

    LC49/B/C SIMPLE REMOTE CONTROL The Simple Remote Control has the basic features that are most often used. The Simple Remote Control cannot be programmed to control other devices. A/V NET BUTTON Accesses the AV NET menu system. CHANNEL/CURSOR BUTTONS A/V NET CH + Changes the channel while watching TV, and is used as the up ( ) and down ( ) cursor buttons when navigating...

  • Page 3: Circuit Diagrams

    LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Signal 1 of 5 components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 4 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Signal 2 of 5 components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 5 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Signal 3 of 5 components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 6 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Signal 4 of 5 components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 7 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Signal 5 of 5 components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 8 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Drive 1 of 9 components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 9 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Drive 2 of 9 components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 10 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Drive 3 of 9 components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 11 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Drive 4 of 9 components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 12 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Drive 5 of 9 components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 13 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Drive 6 of 9 components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 14 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Drive 7 of 9 components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 15 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Drive 8 of 9 components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 16 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Drive 9 of 9 components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 17 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Cont 1 of 3 components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 18 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Cont 2 of 3 components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 19 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Cont 3 of 3 components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 20 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM HDMI components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 21 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Lamp Power components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 22 LC49/B/C PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these BASIC CIRCUIT DIAGRAM Tuner components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).

  • Page 23: Exploded Views

    EXPLODED VIEW LC49/B/C 50VX915 50VX915 JT24587 Side AV Jack is Part of the Control PWB...
  • Page 24 LC49/B/C Model 50VX915 Part No Description Qty. NT04391 QD38172 50VX915 SCREEN FRAME KR03245 PF50 SCREEN ASSY NA72301 50VS710 SCREEN HOLD METAL TOP NA72291 50VS710 CONER METAL NA72321 50VS710 SCREEN HOLD METAL SIDE NA72311 50VS710 SCREEN HOLD METAL BOTT GM01481 SPU TQ-59/ME...
  • Page 25 EXPLODED VIEW LC49/B/C 60VX915 60VX915 JT24588 Side AV Jack is Part of the Control PWB...
  • Page 26 LC49/B/C Model 60VX915 Part No Description Qty. NT04471 QD38474 60VX915 SCREEN FRAME KR03241 PF60 SCREEN ASSY NA72302 60VS710 SCREEN HOLD METAL TOP NA72291 50VS710 CONER METAL NA72322 60VS710 SCREEN HOLD METAL SIDE NA72312 60VS710 SCREEN HOLD METAL BOTT GM01481 SPU TQ-59/ME GM01491 SPU TQ-60/ME KQ03901...
  • Page 27 EXPLODED VIEW LC49/B/C 70VX915 70VX915 JT24588 Side AV Jack is Part of the Control PWB...
  • Page 28 LC49/B/C Model 70VX915 Part No Description Qty. NT04712 QD39342 PF70VX SCREEN FRAME KR03246 PF70 SCREEN ASSY NA73991 PF70 SCRN HOLD MTL T NA74001 PF70 SCRN HOLD MTL V PM29011 PF70 SIDE SP NET NA72291 50VS710 CONER METAL GM01481 SPU TQ-59/ME GM01491 SPU TQ-60/ME KQ03901...
  • Page 29 NJ09851 LC48 EXHAUST DUCT LC49/B/C NJ21001 PF70_LAMP_GUIDE NJ20961 PF70 LAMP FAN HOLDER NA74031 PF70 LOW CABI MTL FR NA74041 PF70 LOW CABI MTL RE NJ20101 LC4X_BARRI_SUPPORT_L NJ20111 LC4X_BARRI_SUPPORT_R NT04482 LC4X POWER SUB PWB HOLDER NT04491 PF LAMP POWER PWB HOLDER 50_60 NA74051 PF70 BACK BONE MTL NJ20362...

  • Page 30: Replacement Parts List

    LC49/B/C REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. ABBREVIATIONS Capacitors: Resistors:...
  • Page 31 LC49/B/C PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART...
  • Page 32 LC49/B/C PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART...
  • Page 33 LC49/B/C PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART...
  • Page 34 LC49/B/C PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART...
  • Page 35 LC49/B/C PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART...
  • Page 36 LC49/B/C PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART...
  • Page 37 LC49/B/C PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART...
  • Page 38 LC49/B/C PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART...
  • Page 39 LC49/B/C PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART...
  • Page 40 LC49/B/C PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART...
  • Page 41 LC49/B/C PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART...
  • Page 42 LC49/B/C PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART...
  • Page 43 LC49/B/C PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART...
  • Page 44 LNT0439 50PF FRAME ASY #034L LNT0447 60PF FRAME ASY #031L LNT0471 LC48/49-70 FRAME ASY #043 UE23673 50VX915 SIDE AV JACK B.ASY #044 UE23674 60VX915 SIDE AV JACK B.ASY #041 UE23675 70VS810 SIDE AV JACK B.ASY #053 UE23217 LC49 CHASSIS ASY...
  • Page 45 POWER HDMI PWB POWER DIGITAL LAMP ASSY ENGINE ASSY UNIT (see note 1) (see note 3) UNIT MODULE ASSY (see note 2) (BALLAST) LC49 50VX915 UE23217 UE23227 JT24547 JT24557 JT24567 JT24577 JT24587 HA01331 UE24852 HA01461 UX21514 UX23753 JP07452 LC49 60VX915...

This manual is also suitable for:

60vx91570vx915Lc49Lc49bLc49c