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V25
WS-48515
WS-55515
WS-65515
WS-55517
MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.
9351 Jeronimo Road, Irvine, CA 92618-1904
Copyright © 2005 Mitsubishi Digital Electronics America, Inc.
All Rights Reserved
D
own
HIGH SPEED TROUBLESHOOTING
V25-V27 CHASSIS
V25+
V25++
WS-55615
WS-55815
WS-65615
WS-65815
WS-73615
V27
WS-65517
WS-73517
2005
1
™
to
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Table of Contents
Related Manuals for Mitsubishi Electric WS-48515
Summary of Contents for Mitsubishi Electric WS-48515
- Page 1 2005 ™ HIGH SPEED TROUBLESHOOTING V25-V27 CHASSIS V25+ V25++ WS-48515 WS-55615 WS-55815 WS-55515 WS-65615 WS-65815 WS-65515 WS-73615 WS-55517 WS-65517 WS-73517 MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC. 9351 Jeronimo Road, Irvine, CA 92618-1904 Copyright © 2005 Mitsubishi Digital Electronics America, Inc. All Rights Reserved...
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Page 3: Table Of Contents
V25 / V27 Chassis Down to 1 V25 / V27 CHASSIS Down to 1 - High Speed Troubleshooting TABLE of CONTENTS Safety Precautions ......................... 2 Cabinet Disassembly ........................3 Chassis Removal ..........................5 Troubleshooting ..........................6 PCB Locations and Functions......................8 PCB Parts Reference ........................ -
Page 4: Product Safety Notice
V25 / V27 Chassis Down to 1 PRODUCT SAFETY NOTICE Many electrical and mechanical parts in television receivers have special safety related characteristics. These characteris- tics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. -
Page 5: Cabinet Disassembly
V25 / V27 Chassis Down to 1 CABINET DISASSEMBLY (FRONT VIEW) Typical Procedure - Disassembly will vary by model. For exact procedures by model, refer to the Service Manual. Front Cabinet Disassembly 1. Remove the Speaker Grille by pulling forward. 2. - Page 6 V25 / V27 Chassis Down to 1 CABINET DISASSEMBLY (REAR VIEW) Typical Procedure - Disassembly will vary by model. For exact procedures by model, refer to the Service Manual. Rear Cabinet Disassembly 1. Remove the Back Board by removing screws (a), and screws (b). 2.
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Page 7: Chassis Removal
V25 / V27 Chassis Down to 1 CABINET SEPARATION PROCEDURE Typical Procedure - Disassembly will vary by model. For exact procedures by model, refer to the Service Manual. 65 & 73 Inch Models Cabinet Separation Procedure 1. Pull the Speaker Grill from the cabinet. 2. -
Page 8: Troubleshooting
V25 / V27 Chassis Down to 1 Troubleshooting Troubleshooting Steps: 1. If the Power LED is continuously flashing or if other TV controls seem locked, perform a System Reset by pressing the front panel button or by removing and re-applying AC power. 2. - Page 9 V25 / V27 Chassis Down to 1 V25 & V27 Symptom/Cause Information Symptom Other Possibilities Most Likely Video Problems, all Inputs & Menu bad. Audio OK PCB-SIGNAL PCB-CRTs, PCB-DM3 Video&Audio Problems. All signals bad. HV is OK PCB-SIGNAL PCB-DM3 Analog Tuning problems. External Inputs & Digital OK PCB-SIGNAL PCB-TERMINAL...
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Page 10: Pcb Locations And Functions
V25 / V27 Chassis Down to 1 TUNER PCB Locations & Functions SIGNAL HDMI TERMINAL MAIN PCB-DM3 PC B-Terminal PCB -Signal NetCommand PIP-P OP A/V Inputs Control uPC IEEE1394 Picture Format A/V Selection C ard Viewer 3:2 Pull D own 3D-Y/C Convergence OSD-Menus... -
Page 11: Pcb Parts Reference
V25 / V27 Chassis Down to 1 PCB, Main Component & Connector Locations (Top View) V25 / V27 PCB PART NUMBERS MAIN SIGNAL TERMINAL TUNER W S-48515 930B918001 930B919001-48 930B920001 934C108001 934C110001 935D767001 W S-55515 930B918001 930B919001-55 930B920001 934C108001 934C110001 935D767001 W S-55615 930B918002 930B919002-55 930B920001 934C108003 934C110001 935D767001 W S-55815 930B918002 930B919006...
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