Name: JVC HR-DVS2EK
Brand: JVC
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Table of Contents2
Important Safety Precautions3
Disassembly6
How to Remove the Major Parts6
Introduction6
How to Read the Disassembly and Assembly6
Disconnection of Connectors (Wires)6
Screws Used Cabinet Components and Board Assemblies6
HOW to REMOVE the MAJOR PARTS <COM Section7
Disassembly Flow Chart7
Disassembly/Assembly Method <COM Section7
HOW to REMOVE the MAJOR PARTS <VHS Section9
Disassembly Flow Chart9
Disassembly/Assembly Method <VHS Section9
HOW to REMOVE the MAJOR PARTS <DV Section11
Disassembly Flow Chart11
Disassembly/Assembly Method <DV Section11
Service Positions13
Service Position <VHS SIDE13
Service Position <DV SIDE14
Mechanism Service Mode15
How to Set the "MECHANISM SERVICE MODE15
Connection17
Emergency Display Function18
Displaying the Emergency Information18
Clearing the Emergency History18
Emergency Content Description19
Emergency Detail Information 120
Emergency Detail Information 221
Mechanism Adjustment (Vhs)22
Before Starting Repair and Adjustment22
Precautions22
Checking for Proper Mechanical Operations22
Manually Removing the Cassette Tape22
Jigs and Tools Required for Adjustment23
Maintenance and Inspection24
Replacement of Major Parts27
Before Starting Disassembling (Phase Matching between Mechanical Parts)27
How to Set the Mechanism Assembling Mode27
Cassette Holder Assembly27
Pinch Roller Arm Assembly29
Guide Arm Assembly and Press Lever Assembly29
Audio Control Head29
Loading Motor29
Capstan Motor30
Pole Base Assembly (Supply or Take-Up Side)30
Rotary Encoder31
Clutch Unit31
Change Lever Assembly, Direct Gear, Clutch Gear and Coupling Gear31
Link Lever32
Cassette Gear, Control Cam and Worm Gear32
Control Plate32
Loading Arm Gear (Supply or Take-Up Side) and Loading Arm Gear Shaft33
Take-Up Lever, Take-Up Head and Control Plate Guide34
Capstan Brake Assembly34
Sub Brake Assembly (Take-Up Side)34
Main Brake Assembly (Take-Up Side), Reel Disk (Take-Up Side) and Main Brake Assembly (Supply Side)34
Tension Brake Assembly, Reel Disk (Supply Side) and Tension Arm Assembly35
Idler Lever, Idler Arm Assembly35
Stator Assembly35
Rotor Assembly35
Upper Drum Assembly36
Compatibility Adjustment37
Checking/Adjustment of FM Waveform Linearity37
Checking/Adjustment of the Height and Tilt of the Audio Control Head38
Checking/Adjustment of the Audio Control Head Phase (X-Value)38
Checking/Adjustment of the Standard Tracking Preset39
Checking/Adjustment of the Tension Pole Position39
Mechanism Adjustment (DV)42
Preparation42
Precautions42
Tools Required for Adjustments42
Disassembly and Assembly Procedures42
Screws and Washers Used in Disassembly/Assembly of the Mechanism Assembly42
Disassembly/Assembly of the Mechanism Assembly43
Introduction43
Mechanism Modes43
Mechanism Timing Chart45
Mechanism Assembly/Disassembly Procedure Table46
Disassembly/Assembly48
List of Procedures for Disassembly56
Mechanism Disassembly/Assembly Sheet57
Mechanism Phase Check/Adjustment59
Positioning the Tension Pole60
Compatibility and Error Rate Adjustments61
Preparation61
Adjustment61
Linearity Adjustment62
PB Switching Point Adjustment62
Error Rate Adjustment62
Error Rate Measuring Method62
Tape Ejection63
Electrical Adjustment (Vhs)64
Precaution64
Required Test Equipments64
Required Adjustment Tools64
Color (Colour) Bar Signal,Color (Colour) Bar Pattern64
Switch Settings and Standard Precautions64
EVR Adjustment64
Servo Circuit65
Switching Point65
Slow Tracking Preset65
Video Circuit65
D/A Level65
EE y Level66
PB y Level (S-VHS / VHS)66
REC Color (Colour) Level66
Video EQ (Frequency Response)67
AUTO PICTURE Initial Setting67
DV EE y Level67
Audio Circuit68
Audio REC FM68
Syscon Circuit [Hr-Dvs2Eu]68
Timer Clock68
Electrical Adjustment (DV)69
Preparation69
Precautions69
Equipment Required for Adjustment69
Tools Required for Adjustments69

Brand	JVC
Model	HR-DVS2EK
Category	VCR
Language	English

JVC HR-DVS2EK User Manual

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