JVC HR-J581EU Manuals

Manuals and User Guides for JVC HR-J581EU. We have 1 JVC HR-J581EU manual available for free PDF download: Service Manual

JVC HR-J581EU Service Manual (84 pages)

Brand: JVC | Category: VCR | Size: 4.26 MB

Table of Contents
21
Important Safety Precautions
22
Disassembly
25
Disassembly Flow Chart
25
How to Read the Disassembly and Assembly
25
Disassembly/Assembly Method
25
Service Position
28
How to Set the "Service Position
28
Mechanism Service Mode
28
How to Set the "Mechanism Service Mode
28
Jig RCU Mode
28
Setting the Jig RCU Mode
28
Setting the User RCU Mode
28
Emergency Display Function
29
Displaying the EMG Information
29
Clearing the EMG History
29
EMG Content Description
30
EMG Detail Information <1
31
EMG Detail Information <2
32
Mechanism Adjustment
33
Before Starting Repair and Adjustment
33
Precautions
33
Checking for Proper Mechanical Operations
33
Manually Removing the Cassette Tape
33
Jigs and Tools Required for Adjustment
34
Maintenance and Inspection
35
Replacement of Major Parts
38
Before Starting Disassembling (Phase Matching between Mechanical Parts)
38
How to Set the "Mechanism Assembling Mode
38
Cassette Holder Assembly
38
Pinch Roller Arm Assembly
40
Guide Arm Assembly and Press Lever Assembly
40
A/C Head
40
Loading Motor
40
Capstan Motor
41
Pole Base Assembly (Supply or Take-Up Side)
41
Rotary Encoder
42
Clutch Unit
42
Change Lever Assembly, Direct Gear, Clutch Gear and Coupling Gear
42
Link Lever
43
Cassette Gear, Control Cam and Worm Gear
43
Control Plate
43
Loading Arm Gear (Supply or Take-Up Side) and Loading Arm Gear Shaft
44
Take-Up Lever, Take-Up Head and Control Plate Guide
45
Capstan Brake Assembly
45
Sub Brake Assembly (Take-Up Side)
45
Main Brake Assembly (Take-Up Side), Reel Disk (Take-Up Side) and Main Brake Assembly (Supply Side)
45
Tension Brake Assembly, Reel Disk (Supply Side) and Tension Arm Assembly
46
Idler Lever, Idler Arm Assembly
46
Stator Assembly
46
Rotor Assembly
46
Upper Drum Assembly
47
Compatibility Adjustment
48
FM Waveform Linearity
48
Height and Tilt of the A/C Head
49
A/C Head Phase (X-Value)
49
Standard Tracking Preset
50
Tension Pole Position
50
Electrical Adjustment
52
Precaution
52
Required Test Equipments
52
Required Adjustment Tools
52
Color (Colour) Bar Signal, Color (Colour) Bar Pattern
52
Switch Settings and Standard Precautions
52
Servo Circuit
53
Switching Point
53
Slow Tracking Preset
53
Video Circuit
53
Auto Picture Initial Setting
53
Syscon Circuit [HR-J680EU/J780EU]
53
Timer Clock
53
Charts and Diagrams
54
Notes of Schematic Diagram
54
Circuit Board Notes
55
Board Interconnections
56
Main(Video/Audio) Schematic Diagram
57
Main(On Screen) Schematic Diagram
58
Main(Syscon) Schematic Diagram
59
Main(Sw.reg) Schematic Diagram
60
Main(Tuner) Schematic Diagram
61
Main(Front) and Adv.jog Schematic Diagrams
62
Main(Terminal), Sat Ctl and R.pause Schematic Diagrams
63
Remote Controller Schematic Diagram
64
Main, Sat Ctl and R.pause Circuit Boards
66
Fdp Grid Assignment and Anode Connection
67
Waveforms
67
Voltage Charts
68
Cpu Pin Function
68
System Control Block Diagram
69
Video Block Diagram
70
Audio Block Diagram
71
Parts List
72
Packing and Accessory Assembly <M1
72
Final Assembly M2
74
Mechanism Assembly M4
76
Electrical Parts List
77
Main Board Assembly <03
77
A/C Head Board Assembly <12
84
Adv.jog Board Assembly(Hr-J780Eu/J785Ek) <38
84
Loading Motor Board Assembly <55
84
R.pause Board Assembly(Hr-J780Eu)<91
84
Sat_Ctl Board Assembly <92
84

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JVC HR-J581EU Manuals

JVC HR-J581EU Service Manual (84 pages)

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