Zenith DT-66550M Series Manuals

Manuals and User Guides for Zenith DT-66550M Series. We have 1 Zenith DT-66550M Series manual available for free PDF download: Service Manual

Zenith DT-66550M Series Service Manual (159 pages)

Combo Home Theater System

Brand: Zenith | Category: Home Theater System | Size: 16.47 MB

Section 1 Summary

4
Section 2 Cabinet & Main Chassis

8
- Exploded Views
  9
Section 3 Electrical

13
- Overall Wiring Diagram
  
  14
- Electrical Adjustment Procedures
  
  15
- Vcr Part
  
  15
- Electrical Troubleshooting Guide
  
  16
  - Power(Smps) Circuit
    16
  - System/Key Circuit
    18
  - Servo Circuit
    19
  - Osd Circuit
    21
  - Y/C Circuit
    22
  - Tuner/If Circuit
    26
  - Hi-Fi CIRCUIT
    28
- Block Diagrams
  
  30
  - Power(Smps) Block Diagram 2
    30
  - Jack & Tuner Block Diagram
    32
  - Y/C Block Diagram
    33
  - Normal Audio Block Diagram
    34
  - Hi-Fi BLOCK DIAGRAM
    35
  - System Block Diagram
    36
- Circuit Diagrams
  
  37
  - Power(Smps) Circuit Diagram 2
    37
  - Jack/Tuner Circuit Diagram
    39
  - A/V Circuit Diagram
    40
  - System Circuit Diagram
    42
  - Key Circuit Diagram
    43
  - Waveforms
    44
  - Circuit Voltage Chart
    45
- Printed Circuit Diagrams
  
  46
  - Main P.C.board
    46
  - Tuner P.C.board
    47
  - Power P.C.board
    47
  - Key 1(Left) P.C.board
    48
  - Key 2(Right) P.C.board
    48
- DVD & Amp Part
  
  50
- Electrical Troubleshooting Guide
  
  50
  - System Operation Flow
    50
  - Test & Debug Flow
    51
  - AUDIO Μ-COM CIRCUIT(DVD & AMP)
    57
- Details and Waveforms on System Test and Debugging
  
  58
- Block Diagrams
  
  72
  - Overall Block Diagram
    72
  - Servo Block Diagram
    73
  - Mpeg & Memory Block Diagram
    74
  - Video & Audio Block Diagram
    75
  - DVD & Amp Block Diagram
    76
- Circuit Diagrams
  
  78
- Printed Circuit Diagrams
  
  86
  - DVD & Amp P.C.board
    86
Section 4 Mechanism of VCR Part

88
- Deck Mechanism Parts Locations
  
  89
- Top View
  
  89
- Bottom View
  
  89
- Deck Mechanism Disassembly
  
  90
  - Drum Assembly
    90
  - Plate Top
    92
  - Holder Assembly CST
    92
  - Opener Door
    92
  - Bracket Assembly L/D Motor
    92
  - Gear Assembly Rack F/L
    92
  - Arm Assembly F/L
    92
  - Lever Assembly S/W
    92
  - Arm Assembly Cleaner
    93
  - Head F/E
    93
  - Base Assembly A/C Head
    93
  - Brake Assembly T
    94
  - Brake Assembly RS
    94
  - Arm Assembly Tension
    94
  - Reel S / Reel T
    94
  - Base Assembly P4
    95
  - Opener Lid
    95
  - Arm Assembly Pinch
    95
  - Lever T/Up / Arm T/Up
    95
  - Belt Capstan/Motor Capstan
    96
  - Lever F/R
    96
  - Clutch Assembly D35
    96
  - Brake Assembly Capstan
    96
  - Gear Drive/Gear Cam
    97
  - Gear Sector
    97
  - Plate Slider
    97
  - Lever Tension
    97
  - Lever Spring
    97
  - Gear Assembly P2
    98
    
    Gear Assembly P3
    98
  - Base Assembly P2
    98
    
    Base Assembly P3
    98
  - Base Loading
    99
  - Base Tension
    99
  - Arm Assembly Idler
    99
- Deck Mechanism Adjustment
  
  100
- Tools and Fixtures for Service
  
  100
  - Mechanism Alignment Position Check
    101
  - Preparation for Adjustment
    102
  - Checking Torque
    102
  - Guide Roller Height Adjustment
    103
    
    Preliminary Adjustment
    103
    
    Precise Adjustment
    103
  - Audio/Control (A/C) Head Adjustment
    104
    
    Preliminary Adjustment
    104
    
    Precise Adjustment(Azimuth Adjustment)
    105
  - X-Value Adjustment
    105
  - Adjustment after Replacing Drum Assembly (Video Heads)
    106
  - Check the Tape Travel after Reassembling
    106
    
    Deck Mechanism
    106
    
    Checking Audio and RF Locking Time During Playback after CUE or REV
    106
    
    Checking for Tape Curling or Jamming
    106
- Maintenance/Inspection Procedure
  
  107
  - Check before Starting Repairs
    107
  - Required Maintenance
    108
  - Scheduled Maintenance
    108
  - Supplies Required for Inspection and Maintenance
    108
  - Maintenance Procedure
    108
    
    Cleaning
    108
    
    Greasing
    109
- Mechanism Troubleshooting Guide
  
  111
  - Deck Mechanism
    111
  - Front Loading Mechanism
    114
- Exploded Views
  
  116
  - Front Loading Mechanism Section
    116
  - Moving Mechanism Section (1)
    117
  - Moving Mechanism Section (2)
    118

Zenith Categories

TV LCD TV

Monitor

DVD Player

Indoor Furnishing

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Zenith DT-66550M Series Manuals

Zenith DT-66550M Series Service Manual (159 pages)

Table of Contents

Section 1 Summary

Product Safety Servicing Guidelines for Video Products

Servicing Precautions

Specifications

Section 2 Cabinet & Main Chassis

Section 3 Electrical

Overall Wiring Diagram

Electrical Adjustment Procedures

Vcr Part

Electrical Troubleshooting Guide

Block Diagrams

Circuit Diagrams

Printed Circuit Diagrams

DVD & Amp Part

Electrical Troubleshooting Guide

Details and Waveforms on System Test and Debugging

Block Diagrams

Circuit Diagrams

Printed Circuit Diagrams

Section 4 Mechanism of VCR Part

Deck Mechanism Parts Locations

Top View

Bottom View

Deck Mechanism Disassembly

Deck Mechanism Adjustment

Tools and Fixtures for Service

Maintenance/Inspection Procedure

Mechanism Troubleshooting Guide

Exploded Views

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Zenith Categories