2002 Service Manual MITSUBISHI ELECTRIC PROJECTION TELEVISION V21 / V21+ / V21++ CHASSIS V21 MODELS V21+ MODELS V21++ MODELS WS-48511 WS-55511 WS-65511 WS-B55 WS-65611 WS-55711 WS-65711 WS-65712 WS-73711 WS-65611 CAUTION: Before servicing this chassis, it is important that the service person read the "SAFETY PRECAUTIONS" and "PRODUCT SAFETY NOTICE" contained in this manual.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 CONTENTS INTRODUCTION ................................................................................................................................ 5 PRODUCT SAFETY NOTICE ............................................................................................................. 5 SAFETY PRECAUTIONS ......................................................................................................
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 CRT Cutoff ........................................................................................................................... 41 White Balance (NTSC) ......................................................................................................... 41 White Balance (HD) .............................................................................................................
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 INTRODUCTION This service manual provides service instructions for the V21, V21+ and V21++ PTV chassis types. The specific models for each chassis type are listed below. Service personnel should read this manual thoroughly before servicing these chassis. V21 Chassis WS-48511 WS-55511 WS-65511 WS-B55 V21+ Chassis WS-65611 V21++ Chassis WS-55711 WS-65711 WS-65712 WS-73711 This service manual includes: 1.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 SAFETY PRECAUTIONS NOTICE: WARNING: 1. 2. 3. Observe all cautions and safety related notes located inside the receiver cabinet and on the receiver chassis. Operation of this receiver outside the cabinet or with the cover removed presents a shock hazard from the receiver's power supplies.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 CABINET DISASSEMBLY (FRONT VIEW) WS-48511 *Refer to the Parts List for Part Numbers Front Cabinet Disassembly 1. 2. 3. 4. Remove the Speaker Grille by pulling forward. Remove the Board Front by removing screws (a). Remove the screws (b) holding the Screen Assembly. Lift the Screen Assembly up and away from the cabinet.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 CABINET DISASSEMBLY (REAR VIEW) WS-48511 *Refer to the Parts List for Part Numbers Rear Cabinet Disassembly 1. 2. 3. 4. Remove the Back Board by removing screws (a)and (b)). Remove 4 screws (c) securing the Board Slide. Remove 4 screws (d) holding each Board Shelf. Be certain that all cables and connectors between the Light Box Assembly and external items are disconnected (e.g. speaker plugs, etc.). 5.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 CABINET DISASSEMBLY (FRONT VIEW) WS-B55 / WS-55511 / WS-65511 *Refer to the Parts List for Part Numbers Front Cabinet Disassembly 1. 2. 3. 4. Remove the Speaker Grille by pulling forward. Remove the Board Front by removing 4 screws (a). Remove the 4 screws (b) holding the Screen Assembly. Lift the Screen Assembly up and away from the cabinet.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 CABINET DISASSEMBLY (FRONT VIEW) WS-65611 *Refer to the Parts List for Part Numbers Front Cabinet Disassembly 1. 2. 3. 4. 5. Remove the Speaker Grille by pulling forward. Remove the Board Front by removing screws (b) Remove the Control Panel by removing two screws (a). Remove the four screws (c) holding the Screen Assembly. Lift the Screen Assembly up and away from the cabinet.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 CABINET DISASSEMBLY (FRONT VIEW) WS-55711 / WS-65711 / WS-73711 *Refer to the Parts List for Part Numbers Front Cabinet Disassembly 1. 2. 3. 4. 5. Remove the Speaker Grilles and Unit Front by pulling forward. Remove 2 screws (a) to remove the Control Panel. Remove the Board Front by removing 4 screws (b). Remove the 4 screws (c) holding the Screen Assembly.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 CABINET DISASSEMBLY (REAR VIEW) WS-B55 / WS-55511 / WS-65511 / WS-65611/ WS-55711 / WS-65711 / WS-73711 *Refer to the Parts List for Part Numbers Rear Cabinet Disassembly 1. Remove screws (a) holding the Back Board. 2. Remove 4 screws (a) holding the Board Slide 3. Remove the 4 screws (b) holding each Board Shelf. 4. Remove screw (e) and 3 screws (c) securing the Light Box Assembly. 5.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 CABINET DISASSEMBLY (FRONT VIEW) WS-65712 *Refer to the Parts List for Part Numbers Front Cabinet Disassembly 1. 2. 3. 4. 5. 6. 7. Remove the Speaker Grille by pulling forward. Remove 2 screws (a) securing the Front Panel. Slide the Front Panel 1/2 inch to the right, then pull away from the TV. Remove 6 screws (b) to remove the Board Front. Unplug the LF connector.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 CABINET DISASSEMBLY (REAR VIEW) WS-65712 *Refer to the Parts List for Part Numbers Rear Cabinet Disassembly 1. Remove screws (a) and (b) holding the Back Board. 2. Remove the 4 screws (c) holding each Board Slike. 3. Remove the 3 screws (c) and screw (e) securing the Light Box Assembly. 4. Disconnect cabling to the front panel (Control Panel, Speakers, Inputs, etc.) 4.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS CAUTION: Wear gloves when handling the Lenticular Screen and Fresnel Lens. This prevents cuts and finger prints. Do not place Fresnel Lens in the sun. This may cause fire and heat related injuries. WS-48511 Lenticular Screen and Fresnel Lens Removal 1. Remove the screen assembly shown in the Cabinet Disassembly procedure. 2.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS CAUTION: Wear gloves when handling the Lenticular Screen and Fresnel Lens. This prevents cuts and finger prints. Do not place Fresnel Lens in the sun. This may cause fire and heat related injuries. WS-B55 / WS-55511 / WS-65511 Lenticular Screen and Fresnel Lens Removal 1. Remove the screen assembly shown in the Cabinet Disassembly procedure. 2.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS CAUTION: Wear gloves when handling the Lenticular Screen and Fresnel Lens. This prevents cuts and finger prints. Do not place Fresnel Lens in the sun. This may cause fire and heat related injuries. WS-55711 / WS-65611 / WS-65711 / WS-65712 / WS-73711 Lenticular Screen and Fresnel Lens Removal 1.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS 2. Lenticular Screen and Fresnel Lens Installation. Note: Store the Lenticular Screen and Fresnel Lens in a cool dry place. High humidity may deform the Lenticular Screen and Fresnel Lens. 1. Apply double coated tape (Part # LENS-TAPE) along the top front edge of the Fresnel Lens as shown below. Refer to the Table below for proper tape length. 2.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 SERVICING THE DIAMONDSHIELD™ 1. DiamondShield™ Removal Procedure The location of the DiamondShieldTM molding clips varies between models, top and bottom, or sides. Use the appropriate disassembly procedure given below. Note: Wear gloves when handling the DiamondShield™ to prevent finger prints. Side Molding Clips Top & Bottom Molding Clips 1.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 CABINET SEPARATION Mitsubishi 65 and 73 inch Projection TVs have been assembled in two pieces. These pieces may be separated for easier delivery and setup. The cabinet separation procedure requires two persons and varies between models. WS-65712 Cabinet Separation Procedure Figure 1 1. Remove the Speaker Grille by pulling forward. 2. Remove the two Front Cover screws (a). 3.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 CABINET SEPARATION PROCEDURE (WS-65511 / WS-65611 / WS-65711 / WS-73711) WS-65511 Cabinet Separation Precedure 1. Remove the Screen Assembly and disconnect all cable harnesses between the Frame Assembly and the PCB-SIGNAL, refer to Cabinet Front Disassembly. 2. Remove the 4 screw covers (a). 3. Remove 4 screws (b) securing the top and bottom cabinet sections . 4.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 Main Chassis Removal Chassis and DM Module Removal The chassis and DM Module can be removed as a single unit. 1. Undo the cable wire ties to the Front Panel, Speakers, CRTs, etc. 2. Remove screw (a) securing the Main Chassis [and screws (b) in model WS-65712] . 3. Release the Chassis Locks on each side of the chassis. 3. Slide the Chassis and DM Module out the rear of the unit. 5.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 PCB Locations Main Components Location Page 23
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 DM Module Main Components Location E2P MODULE DEMODULATOR DM POWER SUPPLY ATV TUNER FLASH CARD SLOT COVER Page 24
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 CRT REPLACEMENT 1. Removal of the CRT Caution! High voltage should be completely discharged prior to CRT removal. Since The CRTs receive high voltage from the HV Block, discharge by shorting the open end of the respective high voltage cable to chassis ground. Note: Refer to the Cabinet Disassembly Procedures when performing steps 1 through 4. 1. 2. 3. 4. 5. 6.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 2. Installation of the CRT Note: The replacement CRT is supplied as an assembly comprised of the CRT and the Inner Lens with the space between them filled with ethylene glycol. Care should be taken during handling and installation to prevent shock from disrupting the seal or alignment between the CRT and Inner Lens.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 2. Install the Deflection Yoke on the CRT neck. [Figure 5-7] 3. Install the Lens that was removed in steps 8 and 9 of Removal Of The CRT. [ Figures 5-1 and 5-2 ] a) Position the Lens so that the Label faces the direction shown in Figure 5-8. b) Install the mounting screws. [Figure 5-1] 4. Connect the PCB-CRT. 5. Insert the Optical Unit into the Light Box Assembly. 6.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 ELECTRICAL ADJUSTMENTS Note: Perform only the adjustments required. Do not attempt an alignment if proper equipment is not available.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 Initial Setup A. Option Menu Setup Follow the steps below for the initial set-up: 1. Select the "MENU" display by pressing the "MENU" button once. 2. Press the number buttons "2", "1", "7", "0" in sequence to select the "OPTION MENU" display. 3. Press the "ADJUST" button to select "INITIAL." 4. Press "ENTER." NOTE: At this time channel 3 is automatically selected. B.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 C. A/V Memory Each of the external inputs has its’ own Audio/Video Memory. A change in an A/V setting at a specific input is stored in memory for that specific input. A/V Reset 1. The front panel AV Reset button initializes all A/V Memories. 2. The AV Reset in the user’s menu initializes only the selected input’s A/V Memory.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 Circuit Adjustment Mode Most of the adjustments can only be performed using the remote hand unit. Many of the adjustments must be performed in both the 480i and 1080i modes. Video/Color adjustments must be performed in the 480i and 1080i modes, and data must be preset in the 480P (DVD) and VGA modes. Note: Set the Remote Operational Mode to “NetCommandTM”.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 E. Terminating the Circuit Adjustment Mode Press the “MENU” button on the remote hand unit twice to terminate the adjustment mode. Note: The circuit adjustment mode can also be terminated by turning power OFF. F. Toggle Between Reception Modes Pressing “3” when in the Adjustment Mode VC Function toggles between 480i, 480p, 1080i and VGA. However data changes are not automatically saved.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 E. COARSE CONV (Press 5) There are four Sub Functions in the Coarse mode, COARSE GREEN, COARSE RED, COARSE BLUE and DF. • COARSE GREEN .... used to make Coarse Raster Geometry Adjustments. • COARSE RED ... used to make Coarse Red Convergence Adjustments. • COARSE BLUE ... used to make Coarse Blue Convergence Adjustments. • DF ...
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 E2PROM Replacement IC7A01 stores some adjustment data. After replacing the IC, set the data to the values given in the following tables. If good performance is not obtained, perform the Adjustments Procedures given in the Notes column. List of Adjustment Items. Function Display NO. Abbrev.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 MNTS Function (Main Decoder) Function Display Item # Abbrev. 1 TNTM 2 COLM 3 YDRM 4 VPDM 5 UPDM Adjustment Description Data Range 0~63 0~63 0~31 0~15 0~15 Main Tint Main Color Main Gain Control Pr Pedestal Adjustment Pb Pedestal Adjustment Initial Data RF Non RF 24 24 17 17 5 5 7 7 7 7 SNTS Function (Sub Decoder) Function Display Item # Abbrev.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 CONV GREEN Items (MENU-2-1-5-9-5) 48" Data 55" Data 65" Data 73" Data No. Abbrev.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 Adjustment Test Point Location Test Points DT pin 3 - HV Adjust DT pin 6 - Ground DT pin 7 - 12 Volts DT pin 8 - ACL EA pin 1 - Sub Picture (Y) EA pin 15 - Main Picture (Y) EB pin 5 - POP (Cr) ST pin 12 - Left Audio ST pin 16 - Right Audio TP6(R, G or B) - CRT Cathode Page 37
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 Purpose: Check the input signal level to the MCS circuit [Audio Circuit] 1. MCS Input Level Measuring Instrument Oscilloscope Test Point Connector ST pins 16&12 Ext. Trigger ------ Measuring Range 50mV/Div Input Signal RF Stereo 300 Hz modulation Input Terminal RF Input Symptom: Distorted sound during a stereo broadcast. 1.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 To set the CRT Anode voltage. Purpose: [HV Circuit] 3. HV Regulation Measuring Instrument DC Voltmeter Test Point DT connector pins 3 & 6 Ext. Trigger ------ Measuring Range ------- Input Signal Video Signal Monoscope Input Terminal Video Input Symptom: Dark Picture Note: This adjustment must be rechecked following Adjustment 9 CRT Cutoff. 1. Supply a video monoscope signal. 2.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 Purpose: To match the sub picture color to that of the main picture. [Video Circuit] 5. Side by Side Sub Picture Tint Measuring Instrument ----- Test Point ----- Ext. Trigger ------ Measuring Range ------ Input Signal NTSC Symptom: Main and sub pictures colors differ. 1. 2. 3. 3. 4. 5. Supply an NTSC signal to an External Video Input.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [CRT Circuit] Purpose: To set the cutoff point for all three CRTs. 7. CRT Cutoff Symptom: Monochrome has a color tint, or incorrect brightness. Measuring Instrument Oscilloscope Test Point TP6R, TP6G, TP6B Ext. Trigger ------ Measuring Range 50V/Div. 2msec/Div. Input Signal None Input Terminal Video Input Note: Use the Expand mode (full screen) 1. Select an External Input with no signal. 2.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 Purpose: To set the CRTs white level in the HD mode. [CRT Circuit] 9. White Balance (HD) Measuring Instrument ----- Test Point ----- Ext. Trigger ------ Measuring Range ----- Input Signal HD White Raster Input Terminal DTV Inputs Symptom: Monchrome pictures have a color tint. 1. 2. 3. 4. 5. Supply an HD Full White Raster signal to the DTV Inputs.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [Video Circuit] Purpose: To set the black level of the picture. 11. Black Level Symptom: Excess or insufficient brightness. Measuring Instrument ----- Test Point ----- Ext. Trigger ------ Measuring Range ------ Input Signal Monoscope Input Terminal 1. Supply a Monoscope signal to a Video Input. 2. Activate the Adjust Mode, VC Function. 3.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 Purpose: To improve edge focus. [Focus Circuit] 13. Dynamic Focus Preset Measuring Instrument ----- Test Point ----- Ext. Trigger ------ Measuring Range ----- Input Signal Monoscope Symptom: Poor focus at the edges of the screen. 1. 2. 3. 4. 5. 6. 5. Supply a Monoscope signal to a Video Input Activate the Convergence Mode. Select the DF Function under the Conv. Coarse Mode.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [CRT Circuit] Purpose: To set electrostatic focus to the optimum point. 15. Electrostatic Focus & (Alignment Magnet) Measuring Instrument ----- Test Point ----- Ext. Trigger ------ Measuring Range ------ Input Signal Monscope & Crosshatch Input Terminal Video Input Symptom: Poor focus. Note: This adjustment must be performed after the Sub Contrast adjustment.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [Conv/Defl] Purpose: To preset data controlling raster geometry 17. Geometry Preset Symptom: Raster distortion. Measuring Instrument ----- Test Point ------ Ext. Trigger ------ Note: This procedure is usually only necessary if an E2PROM is replaced in the TV Control, DM or Convergence circuits.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73Y11 / WS-B55 [Deflection Circuit] Purpose: To set the height, width and linearity of the raster. 18: Deflection Geometry Height & Width Adjustment Symptom: Incorrect height, width and/or linearity. Measuring Instrument ----- Test Point ----- Ext. Trigger ------ Measuring Range ----- Input Signal Monoscope (NTSC & HD) Input Terminal Video & DTV Inputs CIRCUIT ADJUST MODE Activate ……..
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [Convergence Circuit] Purpose: To set the Convergence circuit geometry adjustments. 19. Convergence Geometry Adjustment Symptom: Raster distortion at the top, bottom or sides of the picture. Measuring Instrument ----- Note: Deflection Circuit Geometry must be performed before this adjustment. Test Point ------ Ext.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73Y11 / WS-B55 [Convergence Circuit] Purpose: To converge red, green and blue at the center of the screen 20. Centering and Static Convergence Symptom: Color edging over the entire picture. Measuring Instrument ----- Test Point ----- Ext. Trigger ------ Measuring Range ----- Input Signal NTSC -- Monoscope HD -- Monoscope Input Terminal Video & DTV Inputs CONVERGENCE MODE Activate ……..MENU-2-1-5-9 Misc.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [Convergence Circuit] Purpose: 21. Coarse Convergence Symptom: Measuring Instrument ----- Test Point ------ Ext. Trigger ------ Measuring Range ----- Input Signal NTSC -- None HD -- HD sync Input Terminal Video & HD Inputs CONVERGENCE MODE Activate ……..MENU-2-1-5-9 Misc. ……………….……"6" Coarse………………..…."5" Fine ……………………..."4" Color (R,G or B)……AUDIO Item No………….…..VIDEO Adjust/Move……….
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73Y11 / WS-B55 [Convergence Circuit] Purpose: To converge red, green and blue at the edges of the screen 22. Fine Convergence Symptom: Color edging at the edges of the picture. Measuring Instrument ----- Test Point ----- Ext. Trigger ------ Measuring Range ----- Input Signal NTSC -- None HD -- HD sync Input Terminal Video & DTV Inputs CONVERGENCE MODE Activate ……..MENU-2-1-5-9 Misc. ……………….
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 CHIP PARTS REPLACEMENT Some resistors, shorting jumpers (0 Ohm resistors), ceramic capacitors, transistors and diodes are chip parts. The following precautions should be taken when replacing these parts. Chip Parts Removal (Transistors) 1. Melt the solder of one lead and lift the side of that lead upward. 2. Simultaneously melt the solder of the other two leads and lift the part from the PCB.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 REPLACEMENT PARTS Parts Ordering To expedite delivery of replacement parts orders, specify the following: 1. Model Number/Serial Number 2. Part Number and description 3. Quantity Note: Unless complete information is supplied, delay in processing of orders will result.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 QUICK REFERENCE FOR COMMON REPLACEMENT PARTS CRT ASSEMBLIES MODEL WS-48511 WS-B55 WS-55511 WS-55711 WS-65511 WS-65611 WS-65711 WS-65712 WS-73711 ASSY-CRT-RED 251C222010 251C221070 251C219040 251C219070 251C220010 251C220040 251C220070 251C221010 251C221040 ASSY-CRT-RED 251C222020 251C221080 251C219050 251C219080 251C220020 251C220050 251C220080 251C221020 251C221050 ASSY-CRT-RED 251C222030 251C221090
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # Part # Part Name & Description [#] TUBES 251C219040 251C219050 251C219060 251C219070 251C219080 251C219090 251C220010 251C220020 251C220030 251C220040 251C220050 251C220060 251C220070 251C220080 251C220090 251C221010 251C221020 251C221030 251C221040 251C2210
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # IC5606 IC5607 IC5670 IC56A0 IC56C0 IC5900 IC59P0 IC5A00 IC5A01 IC5A02 IC5A03 IC5A05 IC5F00 IC60 IC60 IC6B01 IC6G01 IC6R01 IC70 IC7A00 IC7A01 IC7A02 IC7A03 IC7A04 IC7B00 IC7B80 IC7C30 IC7D00 IC7D01 IC7D02 IC7D03 IC7D10 IC7D11 IC7E00 IC7E01 IC7E02 IC7E03 IC7E10 IC
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # Part # Part Name & Description Q5A51 Q5H05 Q5H06 Q5H08 Q5H09 Q5H10 Q5H11 Q5H12 Q5K00 Q5K01 Q5K02 Q5K03 Q6B01 Q6B02 Q6G01 Q6R01 Q7C31 Q7K21 Q9A20 Q9A21 Q9A22 Q9A50 Q9A51 Q9A53 Q9A54 Q9B00 Q9B01 Q9B02 261P082010 260P559050 260P560040 260P559050 260P559050 260P
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # Part # Part Name & Description D9A58 D9A60 D9A61 D9A64 D9A65 D9A66 D9B00 D9B01 D9B02 D9B04 D9B05 D9C00 264P588010 264P669030 264P669030 264P045040 264P045040 264P045040 264P669030 264P718010 264P669030 264P458050 264P484040 264D056020 DIODE - FML-G16S DIODE
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # L55A1 L55A2 L55A3 L55A4 L55C0 L55E0 L55E1 L55E2 L55E3 L55E4 L55E5 L55E6 L55E7 L55F0 L55F1 L55F2 L55F3 L55F4 L55F5 L55F6 L55G7 L55G8 L55H2 L55H4 L55H5 L5600 L5601 L5602 L56C0 L56D0 L56D1 L5900 L5901 L5903 L5906 L59A0 L59A1 L59E0 L59E1 L59E2 L59E3 L59E4 L59E5 L59E
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # L80 L8C01 L8C02 L8D01 L8D02 L8D03 L8D04 L8D05 L8D06 L8D07 L8G00 L8G01 L9A02 L9A20 L9A21 L9A22 L9A23 L9A24 L9A50 L9A51 L9A52 L9A53 L9A54 L9A55 L9A56 L9A57 L9A58 L9A59 L9A60 L9A62 L9A63 L9A64 L9A65 L9A66 L9A67 L9B01 L9B02 L9B03 L9B04 L9D00 L9D01 LC2J01 LC2J02 LC2J
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # Part # Part Name & Description Value Part No.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # R5A62 R5A63 R5A64 R5A65 R5A68 R5A68 R5A69 R5A70 R5A71 R5A72 R5A73 R5A74 R5A75 R5A76 R5A78 R5A81 R5A82 R5A83 R5A84 R5A85 R5A86 R5A87 R5A88 R5A89 R5A90 R5A91 R5A92 R5A96 R5A97 R5A98 R5A98 R5A99 R5B01 R5H02 R5H03 R5H04 R5H05 R5H06 R5H22 R5H40 R5H41 R5H42 R5H47 R5H4
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # R6R07 R6R08 R6R09 R6R10 R6R11 R6R16 R6R17 R6R20 R6R22 R7C34 R7K01 R7K02 R7K21 R7K22 R7K23 R7K24 R7K25 R7K26 R7K27 R7K28 R7K29 R7K30 R7K31 R7K32 R7K34 R7K35 R7K36 R7L26 R7L29 R7L32 R8C03 R8C07 R8C11 R8C15 R8C19 R8C23 R8C27 R8C31 R8C35 R8C39 R8C43 R8C47 R8C60 R8C6
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # Part # Part Name & Description [#] Ref # CAPACITORS AND TRIMMERS C-CER-CHIP Capactiors (By Value) Value Part # Value 16V 0.
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # C2V07 C2V43 C2V54 C2V72 C2W04 C2W05 C2W09 C2W14 C2X01 C2X03 C2Y01 C2Y11 C2Y30 C3A10 C3A11 C3A15 C3A16 C3A17 C3A22 C3A24 C3A27 C3A29 C3A30 C3A34 C3A35 C3A36 C3A37 C3A38 C3E01 C3E02 C3E04 C3E06 C3E07 C3E09 C3E11 C3E12 C3E14 C4A00 C4A04 C4A05 C4A10 C4A14 C4A34 C4A3
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # C5A56 C5A60 C5A61 C5A64 C5A65 C5A69 C5A70 C5A71 C5F02 C5H01 C5H04 C5H16 C5H17 C5H19 C5H20 C5H21 C5H24 C5K02 C5K03 C5K04 C5K05 C5K12 C5K14 C5K15 C6B01 C6B02 C6B03 C6B05 C6B12 C6B13 C6B14 C6B16 C6G01 C6G02 C6G03 C6G05 C6G08 C6G12 C6G13 C6G14 C6G16 C6R01 C6R02 C6R0
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # Part # Part Name & Description C9A33 C9A35 C9A36 C9A39 C9A40 C9A42 C9A43 C9A50 C9A51 C9A52 C9A53 C9A54 C9A55 C9A56 C9A57 C9A58 C9A59 C9A60 C9A61 C9A62 C9A63 C9A64 C9A65 C9A66 C9A67 C9A68 C9A69 C9A73 C9A74 C9B01 C9B02 C9B03 C9B13 C9B14 C9B17 C9B18 C9C00 C9C02
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # F9A02 F9A03 F9A04 F9A05 F9A06 F9B00 F9B01 F9D00 J5100 J5110 J5120 J54K1 J54K2 J5601 K9A50 PC9A20 PC9A21 PC9A50 PC9A51 PJ205 PJ2J00 PJ2J00 PJ2J01 PJ2J01 PJ2J02 PJ2J02 PJ2J03 PJ2J03 PJ2J04 PJ2J04 PJ2J05 PJ2J06 PJ2J07 PJ2J07 PJ2J08 PJ2J08 PJ2J09 PJ2J09 PJ2J11 PJ2J1
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # Part # 761A186020 761A195010 761A174030 761A174040 761A199010 752A003030 Part Name & Description [#] GRILLE-SP-RIGHT - 73" GRILLE-SPEAKER GRILLE, SPEAKER GRILLE, SPEAKER GRILLE-SPEAKER SPEAKER GRILL, TOP - PS 9 2 4 4 8 9 Ref # ACCESSORIES 290P109010 TRANS
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # Part # Part Name & Description [#] SCREEN ASSEMBLY PARTS WS-48511 (Figure 1) (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) 491P138010 491P139010 622B010010 622B011010 622B012010 622B013010 751A005020 760D628060 598D339010 635B109010 SCREEN-LENTICULAR - 48" LENS
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # Part # Part Name & Description [#] Ref # Part # (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) 491P105030 491P106050 702A393050 622C059050 701B454030 701B457040 702A388030 702A388040 760D627070 622C060060 SCREEN ASSEMBLY PARTS WS-B55 & WS-55511 (Figure 2) (1)
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # Part # Part Name & Description [#] SCREEN ASSEMBLY PARTS WS-65712 (Figure 3) (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) 491P105040 491P106060 622C090010 702A408010 702A409010 702A409020 760D635020 701B466010 701B467010 701B468010 SCREEN-LENTICULAR - LENTI-6
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 [#] Model Legend: (1) WS-B55, (2) WS-48511, (3) WS-55511, (4) WS-55711, (5) WS-65511, (6) WS-65611, (7) WS-65711, (8) WS-65712, (9) WS-73711 Ref # Part # Part Name & Description [#] SCREEN ASSEMBLY PARTS WS-55711 (Figure 4) (1) (2) (3) (4) (5) (6) (7) (8) 491P103030 491P104030 711C029040 711C029050 711C029060 760D635010 768C065010 622D746080 SCREEN-LENTICULAR - 55" LENS-FRESNEL - 55" FRAME-SCREEN-TOP
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 STANDBY SUPPLIES REGULATOR Page 74
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 SWITCHED SUPPLIES REGULATOR Page 75
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 DM POWER SUPPLY Page 76
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 VIDEO/COLOR A/V SWITCH CIRCUIT Page 77
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 PCB-SIGNAL Y/C PATH Page 78
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 SYNC PATH Page 79
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 DEFLECTION CIRCUIT X-RAY PROTECT Page 80
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 SOUND CIRCUIT Page 81
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 CONVERGENCE CIRCUIT Page 82
MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55 CONTROL CIRCUIT Page 83
