JVC HR-DVS2EK Manuals

Manuals and User Guides for JVC HR-DVS2EK. We have 1 JVC HR-DVS2EK manual available for free PDF download: Service Manual

JVC HR-DVS2EK Service Manual (69 pages)

Mini DV/S-VHS VIDEO CASSETTE RECORDER

Brand: JVC | Category: VCR | Size: 2.73 MB

Table of Contents
2
Important Safety Precautions
3
Disassembly
6
How to Remove the Major Parts
6
Introduction
6
How to Read the Disassembly and Assembly
6
Disconnection of Connectors (Wires)
6
Screws Used Cabinet Components and Board Assemblies
6
HOW to REMOVE the MAJOR PARTS <COM Section
7
Disassembly Flow Chart
7
Disassembly/Assembly Method <COM Section
7
HOW to REMOVE the MAJOR PARTS <VHS Section
9
Disassembly Flow Chart
9
Disassembly/Assembly Method <VHS Section
9
HOW to REMOVE the MAJOR PARTS <DV Section
11
Disassembly Flow Chart
11
Disassembly/Assembly Method <DV Section
11
Service Positions
13
Service Position <VHS SIDE
13
Service Position <DV SIDE
14
Mechanism Service Mode
15
How to Set the "MECHANISM SERVICE MODE
15
Connection
17
Emergency Display Function
18
Displaying the Emergency Information
18
Clearing the Emergency History
18
Emergency Content Description
19
Emergency Detail Information 1
20
Emergency Detail Information 2
21
Mechanism Adjustment (Vhs)
22
Before Starting Repair and Adjustment
22
Precautions
22
Checking for Proper Mechanical Operations
22
Manually Removing the Cassette Tape
22
Jigs and Tools Required for Adjustment
23
Maintenance and Inspection
24
Replacement of Major Parts
27
Before Starting Disassembling (Phase Matching between Mechanical Parts)
27
How to Set the Mechanism Assembling Mode
27
Cassette Holder Assembly
27
Pinch Roller Arm Assembly
29
Guide Arm Assembly and Press Lever Assembly
29
Audio Control Head
29
Loading Motor
29
Capstan Motor
30
Pole Base Assembly (Supply or Take-Up Side)
30
Rotary Encoder
31
Clutch Unit
31
Change Lever Assembly, Direct Gear, Clutch Gear and Coupling Gear
31
Link Lever
32
Cassette Gear, Control Cam and Worm Gear
32
Control Plate
32
Loading Arm Gear (Supply or Take-Up Side) and Loading Arm Gear Shaft
33
Take-Up Lever, Take-Up Head and Control Plate Guide
34
Capstan Brake Assembly
34
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 Assembly
35
Idler Lever, Idler Arm Assembly
35
Stator Assembly
35
Rotor Assembly
35
Upper Drum Assembly
36
Compatibility Adjustment
37
Checking/Adjustment of FM Waveform Linearity
37
Checking/Adjustment of the Height and Tilt of the Audio Control Head
38
Checking/Adjustment of the Audio Control Head Phase (X-Value)
38
Checking/Adjustment of the Standard Tracking Preset
39
Checking/Adjustment of the Tension Pole Position
39
Mechanism Adjustment (DV)
42
Preparation
42
Precautions
42
Tools Required for Adjustments
42
Disassembly and Assembly Procedures
42
Screws and Washers Used in Disassembly/Assembly of the Mechanism Assembly
42
Disassembly/Assembly of the Mechanism Assembly
43
Introduction
43
Mechanism Modes
43
Mechanism Timing Chart
45
Mechanism Assembly/Disassembly Procedure Table
46
Disassembly/Assembly
48
List of Procedures for Disassembly
56
Mechanism Disassembly/Assembly Sheet
57
Mechanism Phase Check/Adjustment
59
Positioning the Tension Pole
60
Compatibility and Error Rate Adjustments
61
Preparation
61
Adjustment
61
Linearity Adjustment
62
PB Switching Point Adjustment
62
Error Rate Adjustment
62
Error Rate Measuring Method
62
Tape Ejection
63
Electrical Adjustment (Vhs)
64
Precaution
64
Required Test Equipments
64
Required Adjustment Tools
64
Color (Colour) Bar Signal,Color (Colour) Bar Pattern
64
Switch Settings and Standard Precautions
64
EVR Adjustment
64
Servo Circuit
65
Switching Point
65
Slow Tracking Preset
65
Video Circuit
65
D/A Level
65
EE y Level
66
PB y Level (S-VHS / VHS)
66
REC Color (Colour) Level
66
Video EQ (Frequency Response)
67
AUTO PICTURE Initial Setting
67
DV EE y Level
67
Audio Circuit
68
Audio REC FM
68
Syscon Circuit [Hr-Dvs2Eu]
68
Timer Clock
68
Electrical Adjustment (DV)
69
Preparation
69
Precautions
69
Equipment Required for Adjustment
69
Tools Required for Adjustments
69

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