Hitachi 53SDX20BB Service Manual
  1. Manuals
  2. Brands
  3. Hitachi Manuals
  4. Projection TV
  5. 53SDX20BB
  6. Service manual
Hitachi 53SDX20BB Service Manual

Hitachi 53SDX20BB Service Manual

Hide thumbs Also See for 53SDX20BB:
Table of Contents

Advertisement

Quick Links

See also: Operating Manual
SERVICE MANUAL
DP15K/DP15H/DP15J
NTSC
This addendum is partly due to the change in convergence adjustment from Digital Array of
43FDX10Bto the use of 8 sensors Magic Focus of 43FDX20B. The Remote Control is also changed
from CLU-5711TSI and CLU-5713TSI to CLU-4322UG.
necessary for the 43FDX20B, 53FDX20B, 43FDX15B, 53SDX20B, and 53SDX20BB, EXCEPT
information that is the same as the 43FDX10B, 43FDX11B, 53UDX10B and 61UDX10B. For this
information, please refer to Service Manual PA No. 0146 issued in May 2001.
* 53SDX20BB does NOT have a removeable lightbox
Additionally, this Addendum includes Circuit Diagrams, Printed Circuit Boards and Parts List previously
not included in Service Manual PA No. 0146.
SPECIFICATIONS ................................................................................................................................2
GENERAL INFORMATION ..................................................................................................................3
REMOTE CONTROL............................................................................................................................4
DISPLAY PICTURE FORMATS ..........................................................................................................5
SERVICE ADJUSTMENTS ................................................................................................................13
BASIC CIRCUIT DIAGRAM ..............................................................................................................41
PRINTED CIRCUIT BOARDS ............................................................................................................43
REPLACEMENT PARTS LIST ..........................................................................................................45
DISASSEMBLY INSTRUCTIONS ......................................................................................................50
PWB Part Numbers Added ............................................................................................................... 62
Before servicing this chassis, it is important that the service technician read the "Safety Precaution" and
CAUTION:
"Product Safety Notices" in the related service manual.
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 "Safety Precautions" and "Product Safety Notices" in the related Service Manual.
PROJECTION COLOR TELEVISION
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
FEBRUARY 2002
Version 0158.02
Chassis
CONTENTS
(Updated 6/03/03)
SAFETY NOTICE
USE ISOLATION TRANSFORMER WHEN SERVICING
PA
No. 0158
43FDX15B
43FDX20B
53FDX20B
53SDX20B
53SDX20BB* DP15J
R/C: CLU-4322UG
This addendum inludes all information
!
on the schematics and on the parts list in this
HHEA-MANUFACTURING DIVISION
DP15K
DP15K
DP15H
DP15J

Advertisement

Table of Contents
loading

Related Manuals for Hitachi 53SDX20BB

Summary of Contents for Hitachi 53SDX20BB

  • Page 1: Table Of Contents

    CLU-5711TSI and CLU-5713TSI to CLU-4322UG. This addendum inludes all information necessary for the 43FDX20B, 53FDX20B, 43FDX15B, 53SDX20B, and 53SDX20BB, EXCEPT information that is the same as the 43FDX10B, 43FDX11B, 53UDX10B and 61UDX10B. For this information, please refer to Service Manual PA No. 0146 issued in May 2001.

  • Page 2: Specifications

    2 Woofers - 5 inch (120 mm) round 43FDX20B/43FDX15B ... . .2.7W 2 Tweeters - 2 inch (50 mm) round 53FDX20B/53SDX20B/53SDX20BB ..2.7W • Power Consumption (operating) Dimension: 43FDX20B/43FDX15B .

  • Page 3: General Information

    GENERAL INFORMATION PUSH POWER INPUT MENU VOL- VOL+ EXIT SELECT € Push open door and pull forward and down POWER INPUT MENU MAGIC FOCUS VOL- VOL+ EXIT SELECT Fig. 3. Front Control Panel ANT A CONVERTER S-VIDEO S-VIDEO S-VIDEO ANT B VIDEO VIDEO VIDEO...

  • Page 4: Remote Control

    USE THE REMOTE TO CONTROL YOUR TV POWER CBL/SAT DVD/VCR SWAP PIP MODE FREEZE PIP CH MENU HELP SELECT LAST CH MUTE EXIT STATUS VID1 VID3 VID4 VID2 ASPECT MODE VID5 CLU-4322UG...

  • Page 5: Display Picture Formats

    SETUP SET UP The PICTURE FORMATS function is very useful when setting up reception High Definition, Standard PICTURE FORMATS Definition and NTSC signals. SETUP CUSTOMIZE VIDEO AUDIO THEATER Se t Menu Language CURSOR Plug & P l ay Se t A ntenna/C abl e Se t Channel Memor y Ed it C hannel Memo ry View C hannel Li st...
  • Page 6 SETUP SET UP Picture Formats Depending on the input signal, the PICTURE FORMAT aspect ratio allows you to adjust the image through the following options. (1) NTSC Input - ANT A/B, VID1 ~ VID5, - 4x3 Format SETUP Press Select To Set Normal Aspect 1 Aspect 3...
  • Page 7 SETUP SET UP (3) 480p Input - Input 4/5 (Component) - 4x3 Format SETUP Press Select To Set S E L Normal Aspect 1 Aspect 2 P ic t ur e F or ma t s (4x3 mode) (16x9 mode) Aspect Style Aspect 1 Aspect...
  • Page 8 DISPLAY FORMAT OF COMPONENT VIDEO TERMINAL (YCBCR/YPBPR). SDTV SIGNAL FORMAT: SMPTE-170M HDTV SIGNAL FORMAT: ITU-R709, SMPTE-274M 4X3 MODEL 1. NORMAL MODE (1) NTSC: 480i 4x3 (15.75kHz) 540P/1080i (33.75kHz) Aspect 1 540 Lines (Progressive) 540p/1080i 1080 Lines (Interlaced) Input NTSC 540 Lines (Progressive) Aspect 3 1080 Lines (Interlaced) 540p/1080i...
  • Page 9 (3) SDTV: 480i 16X9 (15.75KHz) 540P/1080i (33.75KHz) 540 Lines (Progressive) Aspect 1 540p/1080i 1080 Lines (Interlaced) Insertion Panel to top and bottom 405 Lines 540 Lines (Progressive) (Progressive) Aspect 2 Input 810 Lines 1080 Lines 405p/810i (Interlaced) (Interlaced) Letter 16x9 480i 540 Lines (Progressive) Aspect 3...
  • Page 10 (5) SDTV: 480P 16X9 (31.5KHz) 540P/1080i (33.75KHz) 540 Lines (Progressive) Aspect 1 540p/1080i 1080 Lines (Interlaced) Insertion Panel to top and bottom 405 Lines 540 Lines (Progressive) (Progressive) Aspect 2 Input 405p/810i 810 Lines 1080 Lines (Interlaced) (Interlaced) Letter 16x9 480p 540 Lines (Progressive) Aspect 3...
  • Page 11 (7) HDTV: 1080i 16X9 (33.75KHz) 1080i 4x3 (33.75KHz) Aspect 1 1080 Lines (Interlaced) 1080i Insertion Panel to top and bottom Aspect 2 810 Lines 1080 Lines Input 810i (Interlaced) (Interlaced) 16x9 1080i Aspect 4 1080 Lines (Interlaced) 1080i Hor 3/4 V Aspect 2 1080 Lines (Interlaced) 405p/810i...
  • Page 12 (9) Single Mode NTSC/480i 540P 4x3 (33.75KHz) Main Picture Lines Lines Main Picture Lines Main Picture NTSC/480i Lines Main Picture Lines Sub Picture NTSC/480i Lines Main Picture Lines Lines (10) Surf/Strobe Mode NTSC/480i 540P 4x3 (33.75KHz) Main Picture ANT A Main Picture Lines...

  • Page 13: Service Adjustments

    (480P) signal generator, as well as the usual NTSC (480i) signal generator. Hitachi recognizes that few companies offer HDTV or SDTV signal generators and that the cost of these generators is sometimes prohibitive. For this reason, we suggest the use of a set-top-box for HDTV and SDTV adjustments.

  • Page 14: Assembled P.w.b Adjustment

    1. ASSEMBLED P.W.B. ADJUSTMENT 1.1 Service Menu Access Adjustment Procedure (1) To access Service Menu press and hold INPUT key on Control Panel and then press POWER key on control panel to access I C adjustment mode. (2) Receive signal on main picture. (NTSC, SDTV or HDTV). Some menu pages have I C adjustments for SDTV and HDTV.

  • Page 22: Comb Filter Operation Check

    1.2 Comb filter operation check 1.3.3 SRS SURROUND OPERATION CHECK Adjustment preparation Adjustment preparation (1) Receive the color bar signal at the regular tuning (1) Set the Master Volume to around the center. (Vol.30) point. (2) Set the BALANCE to the center. (2) Set the CONTRAST control to MAX and the other (3) Set the BASS and TREBLE to the center.

  • Page 23: High Voltage Adjustment

    Adjustment procedure Important: High Voltage adjustment should (1) Press and hold INPUT key on control panel and NOT be adjusted in field. This is then POWER ON to access I C adjustment adjusted at factory using precise mode. loads should (2) Choose “SERVICE”...

  • Page 24: Horizontal Position Adjustment (Coarse)

    (4) Turn the deflection yoke of R or B and set so that the 2.3 Horiontal Position Adjustment (Coarse) inclination of R or B light with respect to the green light is as shown below on the top and bottom sides. Adjustment preparation (5) After raster inclination adjustment, fixing screw of DY (1) DCU PHASE DATA SETTING should be...

  • Page 25: Raster Position

    (3) Locate the vertical size VR (R607) on 2.6 Raster position adjustment DEFLECTION PWB. Adjust the vertical size Adjustment preparation according to the following table. (1) The set can face east or west. (2) Input the single cross test signal. = NORMAL (3) Set video conditions to factory preset.

  • Page 26: Beam Form

    Adjustment procedure 2.9 Beam form adjustment (1) Loosen the fixing screw or wing nut on the lens Adjustment preparation cylinder so that the lens cylinder can be turned. (1) The beam alignment should have been (Be careful not to loosen too much). After completed.
  • Page 27 OPTICAL FOCUSING ADJUSTMENT GREEN (5) In case of R lens. Set the position where the chromatic aberration changes from red to CHASSIS DP15H/J DP15K crimson. As shown below, observe the vertical SCREEN SIZE 53” 43” bright line and adjust lens focus where the L1 and L2 crimson or red chromatic aberration slightly (PITCHES from CENTER)

  • Page 28: Static Focus

    Adjustment procedure (1) Red and blue static focus adjustment. Adjust the static focus VR on Focus pack (UFPK) so that the center of circle pattern is the most clear. Check that focus does conspicuously worse at the edges of the circle pattern signal or cross-hatch signal.

  • Page 29: Magic Focus Character Set Up

    2.12.1 MAGIC FOCUS Character Set-Up TABLE 2. - DCU PARAMETER (DP15H) This instruction should be applied when a new DCU 1080i Parameter Normal Through is being replaced. ADJ. DISP Adjustment Preparation DEMO WAIT (1) Receive NTSC RF or video signal. INT.

  • Page 30: Magic Focus Pattern Set Up

    (5) Press PIP MODE key 2 times to write the changed Pattern Position data into EEPROM. (First press, ADJ. PARAMETER / ROM WRITE ? is displayed. 2nd press writes data into EEPROM. Green dots appear after completion of operation.) (6) Press MUTE key 3 times to exit from ADJ. PARAMETER mode.

  • Page 31: Convergence Jig Screen Specification

    (7) Press PIP MODE key 2 times to write the changed data in EEPROM. (First press, ADJ. PATTERN/ROM WRITE ? 2nd press, writes data into EEPROM. Green dots appear after completion of operation.) (8) Press MUTE key 3 times to exit from PATTERN mode.

  • Page 32: Raster Position Adjsutment

    Adjustment procedure Note: If only minor adjustments to convergence are needed, the jig screen is not necessary. Use NORMAL MODE digital data stored in memory and one color as a (1) Receive any NTSC signal. reference (red, green, or blue). DO NOT CLEAR DATA and WRITE to ROM memory.
  • Page 33 2.13.6 Magic Focus Initialize 2.13.1 Digital Convergence Remote Control Adjustment Preparation (1) Receive any NTSC signal. (Set is in Normal mode.) (2) Digital convergence adjustment should have been completed. (3) Set is in DCU adjustment mode. Adjustment Procedure (1) Press “PIP MODE” and then “PIP CH” to initialize Magic Focus.

  • Page 34: Blue Defocus

    2.13 Blue defocus adjustment (5) Signal: Hight Light white Balance Adj. Adjustment Preparation White raster 0.715Vpp (w/o sync., termination (1) Optical and electrical focus adjustment should incidence : 75ohm.) 100IRE have been completed. Low Light white balance ADJ. (2) The convergence adjustment should have been White raster 0.180Vpp (w/o sync., termination completed.

  • Page 35: Sub Brightness

    Adjustment preparation Adjustment procedure (1) Start adjustment after the power is turned on for (1) Go to “Sub Brightness” adjustment in I 20 minutes or more. ADJUST mode (press Input and Power button (2) The vertical incident illumination on the screen on Control panel at same time), using Cursors should be 20 lux or less.
  • Page 36 WHITE BALANCE ADJUSTMENT FLOW CHART START Cut Off Adj. Blue defocus Adj. Sub bright Adj. If Reddish or Greenish Check Low Light W/B Increase BLUE SCREEN VR If Bluish Adj. High Light W/B Repeat two or three times, until no adjustment is needed Adj.

  • Page 37: Sub-Picture Signal Amplitude Adjustment

    2.16 Sub Picture Signal Amplitude Adjustment Adjustment preparation (1) Sub-brightness adjustment should be finished. (2) Start adjustment about 20 minutes after the power switch is turned on. (3) Condition should be as follows: Contrast : Max Brightness : Center (4) Press PIP button of R/C unit. (5) The previous selected PinP will appear on the screen.

  • Page 38: Horizontal Position (Normal And 1080I Throught Mode)

    2.17 Horizontal position adjustment 2.18 Scanning area check Adjustment preparation Checking condition (1) Set video conditions to factory preset. NORMAL MODE (2) DIGITAL CONVERGENCE adjustment should be finished. (Normal mode and 1080i through (1) Digital convergence adjustment should have mode). been completed.

  • Page 39: Raster Distortion Check (Normal And 1080I Throught Mode)

    (2) Receive 1080i circle pattern of LT-449 (Leader). 5 scales 9~10 scales 9~10 scales 10 20 5 scales 2.19 Raster distortion check Checking condition (1) Digital convergence adjustment should have been completed. (2) Receive the cross-hatch signal (internal signal of the the set is acceptable). (3) Brightness/Contrast --- standard condition Contrast : max Other controls : center position...
  • Page 40 5. Convergence Errors. If an error message or code appears while performing MAGIC FOCUS or initialize (PIP MODE, PIP CH in DCU service mode) follow this confirmation and repair method. 1. Turn on power and receive any signal. 2. Press service switch on Power/Deflection board. 3.

  • Page 41: Basic Circuit Diagram

    CONVERGENCE BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to DP15K/DP15J/DP15H 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. See page 48 for values All DC voltage to be measured with a tester (100k /V).
  • Page 42 SENSOR BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to DP15K/DP15J/DP15H 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. All DC voltage to be measured with a tester (100k /V).

  • Page 43: Printed Circuit Boards

    PRINTED CIRCUIT BOARD COMPONENT SIDE DP1X CONVERGENCE / DP1X SENSOR PWB / DP1X VM PWB...
  • Page 44 PRINTED CIRCUIT BOARD PATTERN SIDE DP1X CONVERGENCE / DP1X SENSOR PWB / DP1X VM PWB...

  • Page 45: Replacement Parts List

    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 46 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to sefety. 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 SYMBOL...
  • Page 47 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to sefety. 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 SYMBOL...
  • Page 48 PART DESCRIPTION DESCRIPTION RF27 AT03661M RES.MTL GRAZD FLM 1/2W 470K RK54 AT03193S 1.5 OHM 1W, (43FDX15B, 43FDX20B) AT03191S 1.2 OHM 1W, (53FDX20B, 53SDX20B, 53SDX20BB) RF28 0700059M RES.-CARBON FLM 1/16W 27K-JB RK54 RF29 0700049M RES.-CARBON FLM 1/16W 4.7K-JB RK55 AT03406S METAL OX. 150OHM 2W...
  • Page 49 NT02273 Screen Frame Assy 53FDX20B NT02283 Screen Frame Assy 43FDX15B NT02283 Screen Frame Assy 43FDX20B NT02313 Screen Frame Assy 53SDX20B NT02314 Screen Frame Assy 53SDX20BB #299 PH07002 53" Bottom Rail #451 PH08305 43" Speaker Grill #415 PH08913 53" Speaker Grill QD08992 43"...

  • Page 50: Disassembly Instructions

    Disassembly Instructions for Light Box 53SDX20BB does NOT have a removeable lightbox Model: 53FDX20B and 53SDX20B Only STEP INSTRUCTIONS IMAGE Remove the Front Speaker Grille. Pull the Speaker Grille off by placing your hand behind the outside corners and pulling straight out.
  • Page 51 STEP INSTRUCTIONS IMAGE Remove the 2 screws that are noted by the arrows on the left side. Do the same thing for the Right side. Now move to the back of the PTV. The back cover and the lower rear board must be removed.
  • Page 52 STEP INSTRUCTIONS IMAGE To remove the Back Cover, remove the 18 screws all around it. Use extreme caution here, as the mirror is fragile and when the last screw is removed, the back can fall down and damage the mirror. Use additional help and allow them to hold the back cover while removing the last screw.
  • Page 53 STEP INSTRUCTIONS IMAGE Do the same on the retainer to the left of Sensor 5. Remove 4 screws. (2 screws on the left/ 2 screws on the right of the CRT Lens Assembly.) To remove the Back cover support board, remove the 4 screws (2 on each side).
  • Page 54 STEP INSTRUCTIONS IMAGE To remove the Front Control Panel, remove the 2 screws (1 each on both sides). Remove the 2 screws that hold the chassis to the cabinet. Lift Slightly Here Lift the Light Box in the center back and slide backwards until the Light Box is out.
  • Page 55 STEP INSTRUCTIONS IMAGE While the Light Box is being transported or serviced, be very careful not to damage the CRT PWB’s. Also use caution in handling the LENS area to avoid damage and scratches.
  • Page 56 Disassembly Instructions for Screen Frame Assemblies Models: 53FDX20B, 53SDX20B, 53SDX20BB STEP INSTRUCTIONS IMAGE Remove the Front Speaker Grille. Pull the Speaker Grille off by placing your hand behind the outside corners and pulling straight out. The Speaker Grille is held in place by Velcro.
  • Page 57 STEP INSTRUCTIONS IMAGE For the Screen Frame removal, remove the 4 screws shown on the image on the right. (Left side of Control Panel.) Do the same thing for the Right side. (Right side of Control Panel.) Grab the Screen Frame on the lower Left or Right corner firmly.
  • Page 58 STEP INSTRUCTIONS IMAGE With the bottom pulled back no more than 4 in., lift the Screen Frame assembly straight up. This will unhook the top of the screen Frame from the cabinet. Carefully store Screen Frame assembly.
  • Page 59 Models: 43FDX20B, 43FDX15B STEP INSTRUCTIONS IMAGE The Front Speaker Grille needs to be removed. Remove 4 Screws located on the back sides of the Speaker Grille (2 on each side). The image on the right shows the 2 screws on the right back side of the Speaker Grille.
  • Page 60 STEP INSTRUCTIONS IMAGE Image on the right shows Lower Rear Board removed. Next to be removed is the Back Cover which is partially shown in this image. Remove the 18 screws all around the Back Cover. The image to the right shows the back of the left side of the Back Cover.
  • Page 61 STEP INSTRUCTIONS IMAGE Remove the 4 screws (2 on each corner) that partially holds the screen frame assembly. this image shows the 2 screws on the right corner near the sensor board. Locate and remove the last 4 screws on the lower left and right corner in the front of the Screen Frame.

  • Page 62: Pwb Part Numbers Added

    53FDX20B / DP15H CS00452 DCU ASSY CS00553 FLEX CONVERTER JT22013 SIGNAL PWB JT22023 TERMINAL PWB JT22034 DEFLECTION PWB JT22043 POWER PWB JT22054 CONV FOCUS PWB JT22063 CPT PWB KR02532 SCREEN ASSEMBLY UE08644 DP15H CHASSIS UE20234 RED CRT UE20235 GREEN CRT UE20236 BLUE CRT X480245...
  • Page 63 53SDX20B / DP15J CS00452 CS00553 FLEX CONVERTER JT23251 SIGNAL PWB JT23261 TERMINAL PWB JT23271 DEFLECTION PWB JT23281 POWER PWB JT23291 CONV FOCUS PWB JT23301 CPT PWB KR02533 SCREEN ASSEMBLY UE08744 RED CRT UE08745 GREEN CRT UE08746 BLUE CRT UE20561 DP15J CHASSIS X480245 SURROUND PWB CH 2...
  • Page 64 53SDX20BB DP15J (Does not have lightbox) CS00452 CS00553 FLEX CONT JT23251 SIGNAL PWB JT23261 TERMINAL PWB JT23271 DEFLECTION PWB JT23281 POWER PWB JT23291 CONV FOCUS PWB JT23301 CPT PWB KR01162 SCREEN ASSEMBLY UE20821 RED CRT UE20822 GREEN CRT UE20823 BLUE CRT...
  • Page 65 43FDX15B / DP15K CS00452 CS00493 FLEX CONVERTER (HC5613) CS00553 FLEX CONVERTER (HC5613T) JT23254 SIGNAL PWB JT23264 TERMINAL PWB JT23274 DEFLECTION PWB JT23284 POWER PWB JT23304 CPT PWB KR02534 SCREEN ASSY UE20311 RED CRT UE20312 GREEN CRT UE20313 BLUE CRT UE20564 DP15K CHASSIS X480246 SURROUND PWB...
  • Page 66 43FDX20B / DP15K CS00452 CS00493 FLEX CONVERTER (HC5613) CS00553 FLEX CONVERTER (HC5613T) JT23254 SIGNAL PWB JT23264 TERMINAL PWB JT23274 DEFLECTION PWB JT23284 POWER PWB JT23304 CPT PWB KR02531 SCREEN ASSY UE20311 RED CRT UE20312 GREEN CRT UE20313 BLUE CRT UE20564 DP15K CHASSIS X480246 SURROUND PWB...

This manual is also suitable for:

43fdx20b53fdx20b43fdx15b53sdx20b

Table of Contents