Hitachi 51SWX20B Service Manual
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Hitachi 51SWX20B Service Manual

Hitachi 51SWX20B Service Manual

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SERVICE MANUAL

D D P P 2 2 7 7 D D P P 2 2 7 7 D D
N N T T S S C C
IMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
SERVICING PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
TECHNICAL CAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
CIRCUIT PROTECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
REMOTE CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
CUSTOMIZED PICTURE AND SOUND ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . .15
REAR PANEL CONNECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
DISPLAY PICTURE FORMATS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
SERVICE ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
WAVEFORMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
DC VOLTAGE TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
PROTECTION CIRCUIT BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
CIRCUIT SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
PRINTED CIRCUIT BOARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109
FINAL WIRING DRAWING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
TROUBLESHOOTING BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112
EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138
EXPLODED VIEW PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .144
REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149
QUICK REFERENCE PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177
DISASSEMBLY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .178
PWB Parts List Added ...................................................................................................................................... 184
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.
technician read the "IMPORTANT SAFETY INSTRUCTIONS" in this 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 "Important Safety Instructions" in this Service Manual.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
PROJECTION COLOR TELEVISION
MAY 2002
Version 0160.08
C C h h a a s s s s i i s s
TO GO TO A SECTION, CLICK ON IT'S HEADING
Before servicing this chassis, it is important that the service
SAFETY NOTICE
USE ISOLATION TRANSFORMER WHEN SERVICING
HHEA-MANUFACTURING DIVISION
PA
51SWX20B
57SWX20B
65SWX20B
57TWX20B
65TWX20B
R/C: CLU-5722TSI
CONTENTS
on the schematics and on the parts list in this
!
No. 0160
DP27
DP27
DP27
DP27D
DP27D
CLU-121S
updated 02/12/07
updated 1/16/03
updated 03/26/04
updated 1/26/03
updated 06/03/04

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Summary of Contents for Hitachi 51SWX20B

  • Page 1: Table Of Contents

    No. 0160 51SWX20B DP27 57SWX20B DP27 65SWX20B DP27 57TWX20B DP27D SERVICE MANUAL 65TWX20B DP27D D D P P 2 2 7 7 D D P P 2 2 7 7 D D R/C: CLU-5722TSI N N T T S S C C...

  • Page 2: Important Safety Instructions

    “Important Safety Instructions” in this Service Manual. For continued X-Radiation protection, replace picture tube with original type or Hitachi approved equivalent type. This Service Manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual.

  • Page 3: Important Safety Instruction

    DP27/27D IMPORTANT SAFETY INSTRUCTION 1. Before returning an instrument to the customer, always make a safety check of the entire instrument, including but not limited to the following items. (READING a. Be sure that no built-in protective devices are SHOULD NOT LEAKAGE defective and/or have been deleted during servicing.
  • Page 4 For continued X-radiation protection, the replacement making test measurements. tube must be the same type as the original, Hitachi 2. To prevent X-radiation, after replacement of approved type. picture tube and lens, confirm these components...
  • Page 5 4. Picture Tube Implosion Protection Warning – The safety characteristics as the recommended replace- picture tube in this receiver employs integral ment part in Hitachi service data parts list might implosion protection. For continued implosion create shock, fire, and/or other hazards. Product...

  • Page 6: Servicing Precautions

    DP27/27D SERVICING PRECAUTIONS CAUTION: Before servicing instruments covered by this 7. Do not apply AC power to this instrument and/or any of its service data and its supplements and addenda, read and electrical assemblies unless all solid-state device heat- follow the “Important Safety Instructions” on page 3 of this sinks are correctly installed.
  • Page 7 IC Removal/Replacement 4. Securely crimp each connection and solder it. Some Hitachi unitized chassis circuit boards have slotted holes (oblong) through which the IC leads are inserted and 5. Inspect (on the circuit board copper side) the solder joints then bent flat against the circuit foil.
  • Page 8 2. Trace along the copper pattern from both wire sides of ensure the maintenance of reliability and safety standards, the pattern break and locate the nearest component contact your Hitachi personnel. directly connected to the affected copper pattern. At IC Connections 3.
  • Page 9 DP27/27D SERVICING PRECATIONS NOTE: These components are affixed with glue. Be careful not to break or damage any foil under the component or at the pins of the ICs when removing. Usually applying heat to the component for a short time while twisting with tweezers will break the component loose.

  • Page 10: Technical Cautions

    DP27/27D TECHNICAL CAUTIONS High Voltage limiter circuit operation check. 4. When the limiter circuit is operating properly, High 1. Turn off TV and connect jig as shown in Figure 2. Adjust Voltage will be less than 30.5 kV at 1.4mA when TV shuts jig fully counter-clockwise for minimum resistance.

  • Page 11: Specifications

    DP27/27D SPECIFICATIONS Models: 65SWX20B 65TWX20B Intermediate Frequency: Picture l-F Carrier 45.75 MHz 57SWX20B 57TWX20B Sound l-F Carrier 41.25 MHz 51SWX20B Color Sub Carrier 42.17 MHz Cathode-Ray Tube: 51SWX20B R=P16LXT00RFA01(U) Video Input: 1 Volt p-p, 75 Ohm 57SWX20B G=P16LXT00HHA01(U) 65SWX20B B=P16LXT00BMB01(U)

  • Page 12: Cautions When Connecting/Disconnecting The Hv Connector

    DP27/27D CAUTIONS WHEN CONNECTING / DISCONNECTING THE HV CONNECTOR Perform the following when the HV connector (anode connector) is removed or inserted for CPT replacement, etc. Anode connector Deflection P.W.B. During Removal Roll out silicon cover from FBT’s contact area slowly. While turning the connector about 90 degrees following the arrow (0 position), push the connector PUSH...

  • Page 13: General Information

    DP27/27D GENERAL INFORMATION PULL POWER S-VIDEO -AUDIO- MAGIC FOCUS VOL- VOL+ INPUT MENU VIDEO L/MONO INPUT 5 EXIT SELECT FRONT CONTROL PANEL ANT A DVI-HDTV INPUT 1 (MONO)/L CONVERTER AUDIO Y/VIDEO INPUT 2 ANT B (MONO)/L AUDIO (MONO)/L VIDEO S-VIDEO INPUT 3 AUDIO TO HI-FI...

  • Page 14: Remote Control

    DP27/27D REMOTE CONTROL POWER SOURCE WIZARD TAPE A/V NET CH + VOL - VOL + SLEEP INFO SELECT A/V NET MUTE FAV CH CH - MENU EXIT SELECT POWER VID 3 PIP CH FREEZE PIP ACCESS SWAP PIP MODE VIDEO CLU-5722TSI CLU-120S CLU-5722TSI...

  • Page 15: Customized Picture And Sound Adjustments

    DP27/27D CUSTOMIZED PICTURE AND SOUND ADJUSTMENTS Video Select VIDEO to adjust picture settings and improve picture quality. Video Video Picture Mode Sports Audio Contrast 100% Ch. Manager Brightness THUMB Locks THUMB STICK STICK Color Setup Tint Move SELECT Sharpness Vertical Position Magic Focus Color System Advanced Settings...

  • Page 16: Magic Focus

    The Magic Focus button will not work when Adjustment Mode is set to Manual (see page 17). Your HITACHI Projection TV has three color projection tubes: one for red, one for green, one for blue. When mixed together in the proper proportion, the output of these three color tubes can produce any color.
  • Page 17 DP27/27D CUSTOMIZED PICTURE AND SOUND ADJUSTMENTS Manual Convergence Adjustment Mode NOTES: 1. Please turn ON your television for at least 20 minutes before using this feature. 2. Auto Adjustment Mode is recommended. If convergence is still not acceptable, use the Manual Adjustment Mode. DO NOT press MAGIC FOCUS or use Auto Adjustment Mode after using Manual Adjustment Mode.
  • Page 18 DP27/27D CUSTOMIZED PICTURE AND SOUND ADJUSTMENTS Audio Select AUDIO to adjust the TV to your preference and to improve the sound quality. Video Audio Treble Audio Bass Ch. Manager Balance THUMB Locks THUMB STICK STICK Sound Enhancement Setup Advanced Settings Move SELECT Move...

  • Page 19: Rear Panel Connection

    DP27/27D REAR PANEL CONNECTIONS TYPICAL FULL-FEATURE SETUP CONNECT TO (Provided) IR BLASTER Sensor DIGITAL Outside antenna or OUTPUT CAPABILITY cable TV coaxial cable DIGITAL OUTPUT DVD Player 2-Way signal splitter HDTV Set-Top Box OUTPUT OUTPUT OUTPUT ANT A VCR #1 DVI-HDTV OUTPUT S-VIDEO...

  • Page 20: Rear Panel Connections

    DP27/27D REAR PANEL CONNECTIONS CONNECTING A STEREO SOURCE TO INPUT2~INPUT5 Connect the cable from the VIDEO OUT of the VCR or the laserdisc player to the INPUT (VIDEO) jack, as shown on the TV set below. Connect the cable from the AUDIO OUT R of the VCR or the laserdisc player to the INPUT (AUDIO/R) jack. Connect the cable from the AUDIO OUT L of the VCR or the laserdisc player to the INPUT (AUDIO/L) jack.
  • Page 21 DP27/27D REAR PANEL CONNECTIONS CONNECTING AN S-VIDEO SOURCE TO INPUT 3, 4 AND 5 Connect the cable from the S-VIDEO OUT of the VCR or the laserdisc player to the INPUT (S-VIDEO) jack, as shown on the TV set below. Connect the cable from the AUDIO OUT R of the VCR or the laserdisc player to the INPUT (AUDIO/R) jack.
  • Page 22 DP27/27D REAR PANEL CONNECTIONS CONNECTING A COMPONENT SOURCE WITH DVI-HDTV CAPABILITY TO INPUT 1 Connect the DVI connection cable from the output of the VCR or laserdisc player to the DIGITAL OUTPUT CAPABILITY DVI-HDTV input as shown on the TV set at right. DIGITAL OUTPUT Connect the cable from the AUDIO OUT R of the VCR or the laserdisc player to the OUTPUT...
  • Page 23 DP27/27D FEATURE INFORMATION As the digital era dawns, Hitachi has models that provide the best possible images today...and tomorrow. Our HDTV Ready model incorporates new Flex Converter technology to display a high quality 1080i (high definition scanning) or 540P (progressive scanning) image; this same circuitry enables it to accept a full 1080i HDTV signal from a digital set-top box now or in the future.
  • Page 24 DP27/27D ASPECT STYLE ASPECT STYLE Press the ASPECT button on the Remote Control to quickly change the ASPECT ratio. Depending on the input signal, the picture format ratio allows you to adjust the images through the following options. 4:3 STANDARD Use this aspect mode to display conventional (4:3) images.

  • Page 25: Display Picture Formats

    DP27/27D ASPECT STYLE Depending on the input signal, the picture format aspect ration allows you to adjust the image through the PICTURE FORMATS following options. (1) NTSC: 4x3 (15.734KHz) ➔ 1080i/540p (33.716KHz) SDTV: 480i 4x3 (15.734KHz/15.75KHz) ➔ 1080i/540p (33.716KHz/33.75KHz) SDTV: 480p 4x3 (31.468KHz/31.5KHz) ➔ 1080i/540p (33.716KHz/33.75KHz) Picture Format: 16:9 Standard, 16:9 Zoom, 4:3 Standard, 4:3 Exploded, 4:3 Zoom1, 4:3 Zoom2.
  • Page 26 ASPECT STYLE DP27/27D (2) NTSC: Squeeze (15.734KHz) ➔ 1080i/540p (33.716KHz) SDTV: 480i 16x9 (15.734KHz/15.75KHz) ➔ 1080i/540p (33.716KHz/33.75KHz) SDTV: 480p 16x9 (31.468KHz/31.5KHz) ➔ 1080i/540p (33.716KHz/33.75KHz) Picture Format: 16:9 Standard, 16:9 Zoom, 4:3 Standard, 4:3 Exploded, 4:3 Zoom1, 4:3 Zoom2. 16:9 Standard 1080 Lines (Interlace) 1080i 540 Lines (Progressive)
  • Page 27 ASPECT STYLE DP27/27D (4) HDTV: 1080i 16x9 (33.716KHz/33.75KHz) ➔ 1080i (33.716KHz/33.75KHz) Picture Format: 16:9 Standard, 16:9 Zoom 16:9 Standard 1080 (Interlaced) 1080i 1080i Real Mode 1080i Aspect Key 16x9 16:9 Zoom 1080 (Interlaced) 1080i (5) Virtual HD Operation (Scanning Format) a.
  • Page 28 ASPECT STYLE DP27/27D (8) Picture-In-Picture PIP Mode Main 1080 Picture Lines (Interlaced) Lines Lines Main Main 1080 Picture 1080i Lines (Interlaced) Lines Main 1080 Picture Lines NTSC (Interlaced) 480i Main 1080 Picture Lines (Interlaced) Lines (9) Picture-In-Picture SPLIT Mode Main SPLIT Main Lines...

  • Page 29: Service Adjustments

    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 30: Assembled P.w.b Adjustment

    DP27/27D 1. ASSEMBLED P.W.B. ADJUSTMENT 1.1 Service Menu Access Adjustment Procedure (1) Press and hold INPUT key on Control Panel and then press POWER key on control panel to access I adjustment mode. (2) Receive signal on main picture. (NTSC, SDTV or HDTV). Some menu pages have I C adjustments for SDTV and HDTV.
  • Page 31 DP27/27D BACK TO ADJUSTMENTS...
  • Page 32 DP27/27D BACK TO ADJUSTMENTS...
  • Page 33 DP27/27D 1.2 I C Parameter List Cont. ON/OFF Mode Mode POP/PIP SURF NORMAL SPLIT mode mode mode mode (ANT A only) PIP Mode key MENU ADJUST MODE SUB CONT(TV-S) Press to select. OSD POSITION Press to set to the AFC/CLOCK TEST initial data of each MEMORY INIT device.
  • Page 34 DP27/27D 1.2 I C Parameter List Cont. MENU CH U/D, INPUT DEVICE ADJUST MODE CH U/D, INPUT CH U/D, INPUT UPD64083 TA1340F Select FLEX Select UPD64083 TA1360N DEVICE ADJUST DEVICE ADJUST and press key. and press key. AUDIO DATA DATA FLEX TVCINE SYNCDET...

  • Page 35: Comb Filter Operation Check

    DP27/27D 1.2 Comb filter operation check 1.3.4 Noise Reduction Adjustment preparation (16) Select noise reduction mode using THUMBSTICK and then press select button to set it ON and (1) Receive the color bar signal at the regular tuning point. check that the noise is reduced. (2) Set the CONTRAST control to MAX and the other 1.3.5 Velocity Modulation controls to center.

  • Page 36: High Voltage Adjustment

    DP27/27D 4. Bring up each screen G2 control, one at a time, Adjustment procedure Important: High Voltage adjustment should until that color is just barely visible. (Also, adjust (1) Press and hold INPUT key on control panel and NOT be adjusted in field. This is the focus control for each color to obtain optimum then POWER ON to access I C adjustment...

  • Page 37: Horizontal Position Adjustment (Coarse)

    DP27/27D 2.3 Horiontal Position Adjustment (Coarse) (4) Turn the deflection yoke of R or B and set so that the inclination of R or B light with respect to the green Adjustment preparation light is as shown below on the top and bottom sides. (5) After raster inclination adjustment, fixing screw of DY (1) DCU PHASE DATA SETTING should be finished.

  • Page 38: Raster Position

    DP27/27D 2.6 Raster position adjustment = NORMAL Adjustment preparation MODE (1) The set can face east or west. 51” Units = millimeters (2) Input the single cross test signal. 25.4mm = 1in. 57” (3) Set video conditions to factory preset. (4) The static focus should have been coarse The 5th line 65”...

  • Page 39: Beam Form

    DP27/27D 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 40 DP27/27D OPTICAL FOCUSING ADJUSTMENT GREEN (5) In case of R lens. Set the position where the chromatic aberration changes from red to crimson. As shown below, observe the vertical CHASSIS DP27D DP27 bright line and adjust lens focus where the SCREEN SIZE 57”...

  • Page 41: Static Focus

    DP27/27D 2.12 Digital convergence adjustment Note: 1. If replacing a PRT, DY, etc. perform auto- digital convergence first. (Press front panel MAGIC FOCUS switch). This can eliminate the need for a complete digital convergence alignment. 2. To enter digital convergence adjustment mode without removing the front speaker grill, please do the following: 1) Press “Magic Focus”...

  • Page 42: Magic Focus Character Set Up

    DP27/27D 2.12.1 MAGIC FOCUS Character Set-Up TABLE 1. - DCU PARAMETER This instruction should be applied when a new DCU is being replaced. Parameter Normal Adjustment Preparation ADJ. DISP (1) Receive NTSC RF or video signal. DEMO WAIT (2) With Power off, PRESS and HOLD the SERVICE INT.

  • Page 43: Magic Focus Pattern Set Up

    DP27/27D 2.12.2 MAGIC FOCUS Pattern Set-Up Pattern Position NOTE: (1) This instruction should be applied when a new DCU is being replaced. (2) This instruction shows how to set up the pattern position for MAGIC FOCUS. Adjustment Procedure (1) Receive NTSC RF or video signal. (2) With Power off, PRESS and HOLD the SERVICE ONLY button on DEF./CONV.

  • Page 44: Convergence Jig Screen Specification

    DP27/27D 2.12.3 Convergence Jig Screen Specifications 51SWX20B (Part Number H312272) 19.7 90.8 90.8 90.8 90.8 90.8 90.8 90.8 90.8 90.8 90.8 90.8 90.8 19.7 30.5 41.0 82.0 82.0 82.0 82.0 82.0 82.0 41.0 30.5 1129 57SWX20B/57TWX20B (Part Number H312273) 22 101.5 101.5 101.5 101.5 101.5 101.5 101.5 101.5 101.5 101.5 101.5 101.5 22 34.1...

  • Page 45: Raster Position Adjsutment

    DP27/27D Note: If only minor adjustments to convergence are Adjustment procedure needed, the jig screen is not necessary. Use (1) Receive any NTSC signal. digital data stored in memory and one color as a (2) Start adjustment at the center of the screen. reference (red, green, or blue).
  • Page 46 DP27/27D 2.13.6 Magic Focus Initialize 2.13.1 Digital Convergence Remote Control Adjustment Preparation (1) Receive any NTSC signal. (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 47: Blue Defocus

    DP27/27D 2.13 Blue defocus adjustment (6) BLUE defocus ADJ. should be finished. (7) The vertical incident illumination on the screen Adjustment Preparation should be 20 Lux. or less. (1) Optical and electrical focus adjustment should (8) Picture Format is 16:9 Standard Mode. have been completed.

  • Page 48: Sub Brightness

    DP27/27D 2.15 Sub brightness adjustment Adjustment preparation (1) Start adjustment after the power is turned ON for 20 minutes or more. (2) Receive the color bar signal. (3) The vertical incident illumination on the screen should be 20 lux or less. (Room should be dark). (4) Picture Formats is 16:9 Standard Mode.
  • Page 49 DP27/27D WHITE BALANCE ADJUSTMENT FLOW CHART START Cut Off Adj. Blue defocus Adj. Sub bright Adj. Adj. High Light W/B Repeat two or three times, until no adjustment is needed Adj. Low Light W/B Sub bright Adj. Check If NOT OK Low Light W/B High Light W/B If OK...

  • Page 50: Sub-Picture Signal Amplitude Adjustment

    DP27/27D 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 on R/C unit.

  • Page 51: Horizontal Position

    DP27/27D 2.17 Horizontal position adjustment 2.18 Scanning area check Adjustment preparation Checking condition (1) The screen face of set should be turned to East (1) Digital convergence adjustment should have or West. been completed. (2) VIDEO control should be set to Factory Preset (2) Receive the circle pattern signal.

  • Page 52: Raster Distortion Check

    DP27/27D 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 set is acceptable). (3) Brightness/Contrast --- standard condition Contrast : max Other controls : center position (4) Check the raster distortion specification: Value shown in the table below or less.
  • Page 53 DP27/27D 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 DEF./CONV. board. 3.

  • Page 54: Adjustment Point

    DP27/27D 3. ADJUSTMENT POINT 3.1 CRT, cabinet locations 1. CENTERING MAGNET FOR RED PRT 2. CENTERING MAGNET FOR GREEN PRT 3. CENTERING MAGNET FOR BLUE PRT 4. 4-POLE MAGNET FOR BEAM FORM ADJUSTMENT 5. BEAM ALIGNMENT MAGNET 6. FOCUS PACK (Top Adjustments for Screen, Bottom for Focus) BACK TO ADJUSTMENTS...

  • Page 55: Signal Block Assembly

    DP27/27D SIGNAL BLOCK ASSEMBLY BACK TO ADJUSTMENTS...

  • Page 56: Main Chassis Deflection P.w.b

    DP27/27D DEFLECTION P.W.B. BACK TO ADJUSTMENTS...

  • Page 57: Power Supply P.w.b

    DP27/27D POWER SUPPLY P.W.B. BACK TO ADJUSTMENTS...

  • Page 58: Cpt (R)(G)(B), Focus Pack

    DP27/27D CPT P.W.B. BACK TO ADJUSTMENTS...

  • Page 59: Control P.w.b

    DP27/27D CONTROL P.W.B. BACK TO ADJUSTMENTS...

  • Page 60: Troubleshooting

    DP27/27D TROUBLE SHOOTING FLOWCHART 1. NO RASTER AND NO POWER (How to check LED’s Diagnosis)
  • Page 61 DP27/27D TROUBLE SHOOTING FLOWCHART...
  • Page 62 DP27/27D TROUBLE SHOOTING FLOWCHART...

  • Page 63: Waveforms

    WAVEFORMS AT EACH SECTION Numbers inside circle correspond to locations shown in the circuit diagram. I001 Pin 13 I001 Pin 21 I001 Pin 22 I001 Pin 23 I001 Pin 28 I001 Pin 29 I001 Pin 30 I001 Pin 31 I001 Pin 32 I001 Pin 33 I001 Pin 34 I001 Pin 52...
  • Page 64 WAVEFORMS AT EACH SECTION Numbers inside circle correspond to locations shown in the circuit diagram. I001 Pin 54 I001 Pin 62 I001 Pin 64 I401 Pin 24 I401 Pin 26 I401 Pin 27 I401 Pin 41 I401 Pin 42 I401 Pin 43 IZ02 Pin 3 IZ02 Pin 15 IZ02 Pin 26...
  • Page 65 WAVEFORMS AT EACH SECTION Numbers inside circle correspond to locations shown in the circuit diagram. PPS2 Pin 6 PPS2 Pin 8 PPS2 Pin 10 PSC1 Pin 5 PSC1 Pin 7 PSC1 Pin 9 PFC1 Pin 14 PST1 Pin 1 PST1 Pin 2 PST2 Pin 28 PST2 Pin 29 Q709 Collector...
  • Page 66 WAVEFORMS AT EACH SECTION Numbers inside circle correspond to locations shown in the circuit diagram. Q777 Collector (100% reduced) QH01 Drain (100% reduced) TH01 Pin 9 (100% reduced) CH 2...

  • Page 67: Dc Voltage Tables

    DP27/27D DC VOLTAGES SIGNAL 1 Symbol Pin No. Pin No. Pin No. Pin No. V(DC) V(DC) V(DC) V(DC) I001 Symbol Pin No. Pin No. V(DC) V(DC) Symbol Pin No. Pin No. V(DC) V(DC) I005 Symbol Pin No. Pin No. I009 V(DC) V(DC) I007...
  • Page 68 DP27/27D DC VOLTAGES SIGNAL 1 Symbol Pin No. Symbol Pin No. Pin No. V(DC) V(DC) V(DC) I003 I002 Symbol Pin No. Pin No. Symbol Pin No. Pin No. V(DC) V(DC) V(DC) V(DC) PFH2 PFH1 Symbol Pin No. Pin No. V(DC) V(DC) PRST Symbol...
  • Page 69 DP27/27D DC VOLTAGES SIGNAL 2 Symbol Pin No. Pin No. Symbol Pin No. V(DC) V(DC) V(DC) IP51 IP52 Symbol Pin No. Pin No. V(DC) V(DC) Symbol Pin No. V(DC) IP53 U301 Symbol Pin No. Pin No. V(DC) V(DC) 33.9 U302 33.7 Symbol Pin No.
  • Page 70 DP27/27D DC VOLTAGES SIGNAL 3 Symbol Pin No. Pin No. Symbol Pin No. Pin No. V(DC) V(DC) V(DC) V(DC) I402 Symbol Pin No. Pin No. V(DC) V(DC) I401 IA01 Symbol Pin No. Pin No. V(DC) V(DC) Symbol Pin No. Pin No. V(DC) V(DC) 22.3...
  • Page 71 DP27/27D DC VOLTAGES SIGNAL 3 Symbol Pin No. Pin No. V(DC) V(DC)
  • Page 72 DP27/27D DC VOLTAGES SIGNAL 3 Q401 Q420 Q447 Q402 Q421 Q448 Q403 Q422 Q450 Q404 Q426 QA03 Q405 Q428 QA04 Q406 Q429 QA05 Q407 Q431 QA06 Q408 Q433 QA07 Q409 Q434 QA08 Q410 Q438 QA09 Q411 Q439 QA10 -0.3 Q412 Q440 QA11 Q413...
  • Page 73 DP27/27D DC VOLTAGES TERMINAL Symbol Pin No. Pin No. V(DC) V(DC) IV01 -5.0 Symbol Pin No. Pin No. Pin No. Pin No. V(DC) V(DC) V(DC) V(DC) IW01 -1.0 -2.5 Symbol Pin No. Pin No. Symbol Pin No. Pin No. V(DC) V(DC) V(DC) V(DC)
  • Page 74 DP27/27D DC VOLTAGES TERMINAL Symbol Pin No. Pin No. Symbol Pin No. Pin No. V(DC) V(DC) V(DC) V(DC) IX01 IX02 QV01 QV06 QV02 QV07 QV03 QV08 QV04 QV09 QV05 QV10...
  • Page 75 DP27/27D DC VOLTAGES TERMINAL QW01 QX03 QZ01 QW02 QX04 QZ02 QW03 QX05 QZ03 QW04 QX09 QZ04 QW05 QX10 QZ05 QW06 QX11 QZ06 QW07 QX12 QZ07 QW08 QX13 QZ08 QW09 QX23 QZ09 QW10 QX24 QZ10 QW11 QX25 QZ14 QW12 QZ15 QW14 QZ18 QW15 QW16...
  • Page 76 DP27/27D DC VOLTAGES POWER SUPPLY Symbol Pin No. Symbol Pin No. Symbol Pin No. V(DC) V(DC) V(DC) 143.6 I903 19.5 I902 167.5 I901 17.6 Symbol Pin No. V(DC) 12.0 I906 10.9 Symbol Pin No. Symbol Pin No. V(DC) V(DC) 17.4 I904 I905 19.5...
  • Page 77 DP27/27D DC VOLTAGES DEFLECTION Symbol Pin No. V(DC) 15.4 Q603 QN01 27.1 Q604 QN02 I601 92.4 Q701 116.1 QN03 91.5 27.5 Q703 17.2 QN04 Q706 QN05 Symbol Pin No. V(DC) Q709 12.7 QN06 I701 -0.1 Q710 Q777 89.4 Symbol Pin No. QF01 110.7 V(DC)
  • Page 78 DP27/27D DC VOLTAGES CONVERGENCE Symbol Pin No. Symbol Pin No. -6.9 V(DC) V(DC) QK01 -5.2 IK01 -7.5 QK02 Symbol Pin No. V(DC) QK03 -6.3 IK02 QK06 Symbol Pin No. V(DC) QK07 -26.8 -28.0 QK08 27.7 -28.0 IK04 27.7 -28.0 Symbol Pin No.
  • Page 79 DP27/27D DC VOLTAGES SENSOR Symbol Pin No. V(DC) QL10 QL11 PDS1 QL12 QL13 QL14 Symbol Pin No. V(DC) QL15 QL16 QL17 Symbol Pin No. V(DC) Symbol Pin No. V(DC)
  • Page 80 DP27/27D DC VOLTAGES CPT VM Q801 Q8A7 QEA1 Q802 Q8C1 QEA2 Q803 180.7 Q8C2 QEA3 180.6 195.6 Q804 QE01 QEA6 100.1 181.9 196.2 182.0 Q805 221.9 QE02 QEA7 99.7 181.8 199.2 Q812 QE03 QEA8 199.5 196.0 Q851 QE06 196.5 Q852 QE07 100.2 221.5...
  • Page 81 DP27/27D DC VOLTAGES CPT VM Symbol Pin No. Symbol Pin No. Symbol Pin No. V(DC) V(DC) V(DC) 221.9 199.7 ERG2 ERG1 EGB1 Symbol Pin No. Symbol Pin No. Symbol Pin No. V(DC) V(DC) V(DC) P801 P8A1 EGR1 Symbol Pin No. Symbol Pin No.
  • Page 82 DP27/27D DC VOLTAGES CONTROL Symbol Pin No. V(DC) QM02 QM03 Symbol Pin No. V(DC) QM04 Symbol Pin No. V(DC)

  • Page 83: Protection Circuit Block Diagram

    DP27/27D DP2X Protection Circuit Block Diagram (Deflection Power Supply)
  • Page 84 DP27/27D DP1X Protection Circuit Block Diagram (Signal Power Supply)

  • Page 85: Circuit Schematic Diagram

    DP27/D BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to SIGNAL 1 of 3 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 86 DP27/D BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to SIGNAL 2 of 3 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 87 DP27/D BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to SIGNAL 3 of 3 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 88 DP27D BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to TERMINAL 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 89 BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded 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. DP27/D POWER SUPPLY All DC voltage to be measured with a tester (100k /V).
  • Page 90 DP27/D BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to DEFLECTION 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. GF02 2.5K GF03 2.5K All DC voltage to be measured with a tester (100k /V).
  • Page 91 DP27/D BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to CONVERGENCE 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 92 DP27/D BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to SENSOR 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 93 DP27/D BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to CPT/VM 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 94 DP27/D BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to CONTROL 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 95 DP27/D BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a and shaded 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. All DC voltage to be measured with a tester (100k /V).

  • Page 112: Troubleshooting Block Diagrams

    DP27 DP27D Tr oubleshooting B lock Diagrams SECTION (1) POWER SUPPLY DIAGRAMS: PAGE • +6V L o V oltage R egulation Circuit Diagram ------------------------------------------------------- 113 • Power On Relay Controls Circuit Diagram ---------------------------------------------------------- 114 • Lo w Vo ltage Shut Down Circuit Diagram ----------------------------------------------------------- 115 •...
  • Page 113 DP27 DP27D DP-2X CHASSIS POWER SUPPLY Sby +6V REGULATION Lo Voltage Power Supply T901 R913 Start Up D904 R906 D901 R907 D905 D910 16.3V Osc B+ 150V D907 R911 F902 R914 I901 C916 Driver/ R912 Output IC D906 C914 FB/OLP T901 R908 R916...
  • Page 114 DP27 DP27D...
  • Page 115 DP27 DP27D DP-2X SIGNAL POWER SUPPLY (Low Voltage) SHUT-DOWN CIRCUIT T901 D941 D904 R906 D905 R907 16.97V Control +6V R913 C955 C911 D907 16.3V D952 I901 Power IC R956 R919 I905 47 Ohm C919 Q901 R920 Monitors R922 Q902 SW +5V Q910 SW +3.3V SW +2.5V...
  • Page 116 DP27 DP27D DP-2X CHASSIS POWER SUPPLY SW +115V REGULATION High Voltage Power Supply T902 7.5P/P SW + 115V Start Up R930 D911 R937 R924 R925 From Relay S901 D914 16.3V I90 6 R935 Osc B+ D912 R931 R932 D915 Regulator Photocoupler RED L.E.D.
  • Page 117 DP27 DP27D DP-2X ADDITIONAL POWER SUPPLY SHUT DOWN DIAGRA C933 R941 E907 T902 D916 Q905 Deflection B+ 115V 0.47 Ohm R945 C927 R942 R943 Deflection B+ (115V) C945 Excessive Voltage Det. R946 D924 D927 Deflection B+ (115V) D928 Excessive Current Det. D925 R944 C946...
  • Page 118 DP27 DP27D DP-2X DEFLECTION PROTECT POWER SUPPLY SHUTDOWN DIAGRAM Hi Volt Flyback RH32 allows ABL fluctuations to H. Drive manipulate the Trigger Point of Shut High Voltage Down as screen brightness varies. ABL TH01 Sensing Circuit ABL Voltage is inverse proportionate to brightness. RH23 Too High Det.
  • Page 119 DP27 DP27D DP-2X CHASSIS L.E.D. (VISUAL TROUBLE DETECTION) DIODES SIGNAL POWER SUPPLY (5 Total L.E.D. for visual trouble sensing observation, 4 Green and 1 Red) S-902 Audio Power PPS5 Supply Relay D944 GREEN L.E.D. 1.55A T901 L922 E911 1.55A Audio + 38V R985 C962 R992...
  • Page 120 DP-2X CHASSIS MICROPROCESSOR DATA COMMUNICATIONS CIRCUIT DIAGRA M PST 2 SDA1 Termi nal P WB SDA1 IX01 IOO 1 SCL1 A/V Select SCL1 Pi P M ain IZ01 Sub I Z02 Main IX02 IW0 1 IA01 V ideo/Chroma V ideo/Chroma Y Pr/Pb 3D-Y/C Y Pr/Pb SW...
  • Page 121 DP-2X SERIES CHASSIS NTSC SYNC to MICROPROCESSOR SIGNAL PATH PST2 I0 05 Lum/Audio Selector I C Aux Input 5 Composite 5 Q008 QX12 Q010 Main IX01 Q005 Avx 5 I n Main Y Q006 Q004 S-5 I n /Video 480i Q018 QX17 Q014...
  • Page 122 DP-2X CHASSIS VIDEO SIGNAL PATH - NTSC QV09 QV10 SIGNAL PST1 V Out 1 U301 V In QV04 QV02 QV01 IV01 TERMINAL PWB Main Tuner 2Line Y/C Y Out Y In 1 XV01 18 Separator U302 XV02 C In 1 C Out For PinP Only Sub Tuner...
  • Page 123 DP27 DP27D DP-2X RAINFOREST IC INFORMATION (I401) YM/P-MUTE/ SCP IN FBP IN Max 9V 6.2 ~ 9V Blanking 3.7 ~ 9V CLAMP 2.4 ~ 5.8V P Mute H-AFC 3.0V 1.7 ~ 3.3V Black Peak BLK 1.5V 0.9 ~ 2.1V Half Tone 0 ~ 0.5V Internal Pin 17 Pin 24...
  • Page 124 DP-2X Chassis Video Signal Path - NTSC,Component, OSD SIGNAL PWB SIGNAL PWB POWER PWB RAINFOREST IC Q422 PPD1 PPS1 UKDG Analog R In QK06 I401 Q421 Dig R Out Analog G In QK07 Processor Q420 Dig G Out QK08 Analog B In Dig B Out Q419 OSD R In...
  • Page 125 DP-2X CHASSIS A.B.L. CIRCUIT DIAGRA M Q413 HVcc +9V RA54 R453 I40 1 M icro R ainforest I00 1 R449 R450 D403 R452 R483 C426 C425 D404 R451 SDA2 SDA2 C423 C424 SCL2 SCL2 DAC2 R484 ABL Sw ABL Switch R462 R461 1080i...
  • Page 126 ABL SWITCH FOR BLACK SIDE BARS Mode Only PPS2 PPD2 SW+9V I401 RG58 ABL Switch ABL Switch DAC 2 ABL Switch RC84 Power Supply 115V RAINFOREST IC SIGNAL PWB ABL SWITCH Active When Side Bars are Black Only RH29 RH27 QH03 R745 RH30...
  • Page 127 DP-2X CHASSIS DVI SIGNAL PATH All of these pins are ground IJ01 10 12 16 21 25 SiI907B 28 33 35 43 45 50 DVI CONN DVIH DJ22 DJ21 HSync DVIH RX2- RX2- DVIV VSync DVIV RX2+ RX2+ QJ01 DVIR GND2/4 DVIR DVIG...
  • Page 128 DP-2X Series Chassis AUDIO and VIDEO MUTE Circuit Without DSP (See also Terminal Mute Circuit) FC H Blk FC V Blk NOTE: V MUTE V MUTE 1 becomes Q412 Q411 R441 D402 V MUTE 2 on Signal PWB 2 & 3 I401 10V p/p Then V MUTE 1 again on CRT PWB...
  • Page 129 DP-2X Chassis Audio (Main-Terminal) Signal Path JA01 SIGNAL PWB PST1 SIGNAL PWB Center In I0 05 MODE 1 IA02 Left TV Main R Left Out U301 BBS/ 11 Mach3 TV Main L Main Tuner Right Out MODE 2 Right Pin 12 Pin 13 MODE L OGIC QA16...
  • Page 130 DP-2X SERIES CHASSIS HORIZONTAL DRIVE CIRCUIT Power Power H. Def. Yoke R To Micro. for OSD, Auto Prog, SD, AFC, PPS3 Supply Supply HVcc 9.3V H. Def. Yoke G I401 PPD2 PPS2 H. Def. Yoke B FBP In Osc. HVCO H.Blk.
  • Page 131 DP27 DP27D DP-2X SWEEP LOSS DETECTION CIRCUIT DN13 SW+9V RN09 RN12 RN11 From Power Vertical Blankin g DN08 Supply Circuit QN0 5 From Pin 11 I601 QN0 4 Diagr am RN13 CN03 V. Blk. DN06 SW+7V CN04 RN14 DN07 DN14 24V P/P RN18 RN02...
  • Page 132 DP-2X SERIES CHASSIS VERTICAL OUTPUT CIRCU PM B X Ray Power Supply PWB Protect To Micro. for OSD Positioning R626 PPS3 Main I4 01 PPS2 PPD2 Y Direct V. Def. Yoke B R632 9.0 V Q604 D608 PM G HVcc V.Blk.
  • Page 133 DP-2X SIDE PINCUSHION CIRCUIT DIAGRA SW +115V SW +9V D702 D703 R717 R706 X-RAY Protect C701 R707 Q701 V Parabolic C701 C722 R709 C702 R721 R742 SW+11V R708 R712 R710 D701 4.39V 5.17V 5.14V R701 8.96V Q703 R711 I7 01 H Size D714 R702...
  • Page 134 DP-2X CHASSIS "DIGITAL CONVERGENCE" INTERCONNECTION CIRCUIT DIAGRAM I001 Rainforest I 401 MAG SW In Q417 Magic Sw In OSD B Q428 OSD B OSD B Digicon Q418 OSD G I 007 OSD G OSD G Q419 OSD R Q433 OSD R OSD R 3.3V-5V Magic Sw Out...
  • Page 135 DP27 DP27D DIGITAL CONVERGENCE OVERLAY DIMENSIONS NOTE: Aspect may not be correct but dimensions are correct. 51SWX20B OVERLAY DIMENSIONS NORMAL MODE 1129 H. SIZE 19.7 90.8 90.8 90.8 90.8 90.8 90.8 90.8 90.8 90.8 90.8 19.7 30.5 Centering Offset PART NUMBER H312272 30.5...
  • Page 136 DP27 DP27D DIGITAL CONVERGENCE OVERLAY DIMENSIONS NOTE: Aspect may not be correct but dimensions are correct. 57SWX20B & 57TWX20B OVERLAY DIMENSIONS NORMAL MODE 1262 H. SIZE 22 101.5 101.5 101.5 101.5 101.5 101.5 101.5 101.5 101.5 101.5 34.1 45.8 91.7 91.7 91.7 91.7...
  • Page 137 DP27 DP27D DIGITAL CONVERGENCE OVERLAY DIMENSIONS NOTE: Aspect may not be correct but dimensions are correct. 65SWX20B & 65TWX20B OVERLAY DIMENSIONS 1439 H. SIZE 25.3 115.7 115.7 115.7 115.7 115.7 115.7 115.7 115.7 115.7 115.7 25.3 38.6 52.1 104.6 104.6 104.6 104.6 Centering Offset...

  • Page 138: Exploded View

    DP27/27D EXPLODED VIEW 51/57SWX and 57TWXDrawing 1 NOTES: Some parts may appear different than those shown in the exploded view. When ordering, refer to the replacement parts list for the correct part number. The circled numbers correspond to the parts list shown on pages 144, 145 and 147.
  • Page 139 DP27/27D EXPLODED VIEW 51/57SWX and 57TWX Drawing 2 NOTES: Some parts may appear different than those shown in the exploded view. When ordering, refer to the replacement parts list for the correct part number. The circled numbers correspond to the parts list shown on pages 144, 145 and 147.
  • Page 140 DP27/27D EXPLODED VIEW 51/57SWX and 57TWX Drawing 3 NOTES: Some parts may appear different than those shown in the exploded view. When ordering, refer to the replacement parts list for the correct part number. The circled numbers correspond to the parts list shown on pages 144, 145 and 147.
  • Page 141 DP27/27D EXPLODED VIEW 65SWX and 65TWX Drawing 1 NOTES: Some parts may appear different than those shown in the exploded view. When ordering, refer to the replacement parts list for the correct part number. The circled numbers correspond to the parts list shown on pages 146 and 148.
  • Page 142 DP27/27D EXPLODED VIEW 65SWX and 65TWX Drawing 2 NOTES: Some parts may appear different than those shown in the exploded view. When ordering, refer to the replacement parts list for the correct part number. The circled numbers correspond to the parts list shown on pages 146 and 148.
  • Page 143 DP27/27D EXPLODED VIEW 65SWX and 65TWX Drawing 3 NOTES: Some parts may appear different than those shown in the exploded view. When ordering, refer to the replacement parts list for the correct part number. The circled numbers correspond to the parts list shown on pages 146 and 148.

  • Page 144: Exploded View Parts List

    PH31546 DECO PANEL LEFT 51SWX PH31545 DECO PANEL RIGHT 51SWX Not Avail. DP2X CONTROL PANEL ASSY PH31491 POST 51SWX20B PH31661 SP GRILLE ASSY 51SWX20B 55010267 FRONT BOARD 2002 NA57501 POST FIX MTL 2002 Not Avail. 51SWX20B CABINET ASSY Not Avail. 51SWX CORE BLOCK ASSY...
  • Page 145 DP27/27D EXPLODED VIEW PARTS LIST Model 57SWX20B Part No Description QD34353 SCREEN FRAME 57SWX20B KR02552 DP2X SCREEN ASSY 57SWX NA56292 SCREEN TOP/LOW METAL 57 KS04085 '02 57W" MIRROR GLASS NA56321 SCREEN TOP SUPP.MTL NA56312 SCREEN SIDE METAL 57 NA56332 SCREEN LOW SUPPORT METAL PH31556 DECO PANEL LEFT 57SWX PH31555 DECO PANEL RIGHT 57SWX Not Avail.
  • Page 146 DP27/27D EXPLODED VIEW PARTS LIST Model 65SWX20B Part No Description QD34273 65" TOP FRAME PAINT (U) QD34274 65" BOTTOM FRAME PAINT (U) QD34291 65" VERTICAL FRAME (U) NJ06441 65" SCREEN HOLDER (TOP) NJ06451 65" SCREEN HOLDER (BOTTOM) 35300042 UPPER MIRROR CLEAT [G252BE800] KR02553 DP2X 65SWX SCREEN ASSY KS04086...
  • Page 147 DP27/27D EXPLODED VIEW PARTS LIST Model 57TWX20B Part No Description QD34353 SCREEN FRAME 57SWX20B KR02554 DP2X SCREEN ASSY 57TWX NA56292 SCREEN TOP/LOW METAL 57 KS04085 '02 57W" MIRROR GLASS NA56321 SCREEN TOP SUPP.MTL NA56312 SCREEN SIDE METAL 57 NA56332 SCREEN LOW SUPPORT METAL PH31556 DECO PANEL LEFT 57SWX PH31555 DECO PANEL RIGHT 57SWX Not Avail.
  • Page 148 DP27/27D EXPLODED VIEW PARTS LIST Model 65TWX20B Part No Description QD34273 65" TOP FRAME PAINT (U) QD34274 65" BOTTOM FRAME PAINT (U) QD34291 65" VERTICAL FRAME (U) NJ06441 65" SCREEN HOLDER (TOP) NJ06451 65" SCREEN HOLDER (BOTTOM) 35300042 UPPER MIRROR CLEAT [G252BE800] KR02555 DP2X 65TWX SCREEN ASSY KS04086...

  • Page 149: Replacement Parts List

    DP27/27D 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 150 DP27/27D 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...
  • Page 151 DP27/27D 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...
  • Page 152 DP27/27D 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...
  • Page 153 DP27/27D 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...
  • Page 154 DP27/27D 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...
  • Page 155 DP27/27D 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...
  • Page 156 DP27/27D 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...
  • Page 157 DP27/27D 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...
  • Page 158 DP27/27D 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...
  • Page 159 DP27/27D 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...
  • Page 160 DP27/27D 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...
  • Page 161 DP27/27D 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...
  • Page 162 DP27/27D 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...
  • Page 163 DP27/27D 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...
  • Page 164 DP27/27D 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...
  • Page 165 DP27/27D 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...
  • Page 166 DP27/27D 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...
  • Page 167 DP27/27D 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...
  • Page 168 DP27/27D 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...
  • Page 169 DP27/27D 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...
  • Page 170 DP27/27D 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...
  • Page 171 DP27/27D 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...
  • Page 172 DP27/27D 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...
  • Page 173 DP27/27D 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...
  • Page 174 DP27/27D 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...
  • Page 175 N200B KQ02642K SCC LENS SASS B 57SWX/TWX 65SWX/TWX MISCELLANEOUS N200G KQ02271K SCB LENS SASS RG 51SWX KR02551 DP2X SCREEN ASSY DT (51SWX20B) N200G KQ02641K SCC LENS SASS RG 57SWX/TWX 65SWX/TWX KR02552 DP2X SCRN ASY 57WHC (57SWX20B) N200R KQ02271K SCB LENS SASS RG 51SWX...
  • Page 176 DP27/27D 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...

  • Page 177: Quick Reference Parts List

    DP27/27D QUICK REFERENCE PARTS LIST CIR. NO. DESCRIPTION FUNCTION PWB ASSEMBLY I001 CK3737XU M306V3MG-XXXFP TV U-COM (MASK) SIGNAL I002 CK37051R BD4729G-TR RESET IC SIGNAL I003 CK35894R CAT24WC32J1 E2PROM SIGNAL I005 CK31992R BU4053BCF-E2 CCD SELECTOR SIGNAL I007 CK09541R HD74HCT245T BUFFER SIGNAL I009 CK37411R S3C80F9XHF0QZR7...

  • Page 178: Disassembly Instructions

    DP27/27D The following instructions are for models with a Light Box design. This new cabinet design will enable servicers to remove the Light Box assembly, with out the need to take a complete PTV out for service. Disassembly Instructions for Screen Frame Assemblies and Light Box STEP INSTRUCTIONS IMAGE...
  • Page 179 DP27/27D STEP INSTRUCTIONS IMAGE Remove the right side post and the right Deco panel. Remove the screws on the left bottom corner of the screen frame. Remove the screws on the right bottom corner of the screen frame. Remove the screen assembly by placing your hands on corners and lifting up to unhook from the cabinet.
  • Page 180 DP27/27D STEP INSTRUCTIONS IMAGE After taking off the screen assembly, the cabinet light cavity will be exposed. Remove the 4 screws on the left of the CRT Lens assembly. Remove the 4 screws on the right of the CRT Lens assembly.
  • Page 181 DP27/27D STEP INSTRUCTIONS IMAGE Remove one screw on the left of the chassis as shown. Remove the screw on the right corner of the light box. Remove the screw on the left corner of the light box. Remove the 4 screws on the front that hold the light box. The picture shows the right side.
  • Page 182 DP27/27D STEP INSTRUCTIONS IMAGE Remove the 4 screws on the front that hold the light box. The picture shows the left side. Remove the control panel. Remove the board on top of the light box assembly. Lift the Light box in the center and slide backwards until it is out.

  • Page 183: Disassembly/Assembly Instructions For 65" Split Ptv

    STEP 10 Re-install the joint connector bolts (4pcs). HITACHI assumes no responsibility or liability for injury/damage as a result of consumer installation and handling. Be advised that onto the bottom cabinet, aligning the two which were removed in step 4, using the dowels of the bottom cabinet with the two supplied allen key.

  • Page 184: Pwb Parts List Added

    51SWX20B / DP27 CS00591 CS00641 FLEX CONVERTER JT23038 SIGNAL PWB JT23048 TERMINAL PWB JT23058 DEF / CONV PWB JT23068 POWER PWB JT23078 CPT / VM PWB JT23095 DVI PWB KR02551 SCREEN ASSEMBLY UE09968 DP27 CHASSIS UE20461 RED CRT UE20462 GREEN CRT...
  • Page 185 57SWX20B / DP27 CS00591 CS00641 FLEX CONVERTER JT23038 SIGNAL PWB JT23048 TERMINAL PWB JT23058 DEF / CONV PWB JT23068 POWER PWB JT23078 CPT / VM / CONTROL PWB JT23095 DVI PWB KR02552 SCREEN ASSEMBLY UE09968 DP27 CHASSIS UE20464 RED CRT UE20465 GREEN CRT UE20466...
  • Page 186 65SWX20B / DP27 CS00591 CS00641 FLEX CONVERTER JT23038 SIGNAL PWB JT23048 TERMINAL PWB JT23058 DEF / CONV PWB JT23068 POWER PWB JT23078 CPT / VM / CONTROL PWB JT23095 DVI PWB KR02553 SCREEN ASSEMBLY UE09968 DP27 CHASSIS UE20464 RED CRT UE20465 GREEN CRT UE20466...
  • Page 187 57TWX20B / DP27D CS00591 CS00641 FLEX CONVERTER JT23035 SIGNAL PWB JT23045 TERMINAL PWB JT23055 DEF / CONV PWB JT23065 POWER PWB JT23075 CPT / VM PWB JT23095 DVI PWB KR02554 SCREEN ASSY UE09965 DP27D CHASSIS UE20464 RED CRT UE20465 GREEN CRT UE20466 BLUE CRT CH 6...
  • Page 188 65TWX20B / DP27D CS00591 CS00641 FLEX CONVERTER JT23035 SIGNAL PWB JT23045 TERMINAL PWB JT23055 DEF / CONV PWB JT23065 POWER PWB JT23075 CPT / VM PWB JT23095 DVI PWB KR02555 SCREEN ASSY UE09965 DP27D CHASSIS UE20464 RED CRT UE20465 GREEN CRT UE20466 BLUE CRT CH 6...
  • Page 189 DP27/27D...

This manual is also suitable for:

65swx20b57swx20b65twx20b57twx20b

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