JVC HR-A630MS DVR Manuals

JVC HR-A630MS DVR Manuals

Manuals and User Guides for JVC HR-A630MS DVR. We have 1 JVC HR-A630MS DVR manual available for free PDF download: Service Manual

JVC HR-A630MS Service Manual

JVC HR-A630MS Service Manual (58 pages)

Brand: JVC | Category: DVR | Size: 7 MB

Table of Contents

Table of Contents
2
Disassembly Flow Chart
3
Disassembly/Assembly Method
3
Cassette Housing Installation
5
SERVICE POSITION Oo
5
How to Take out the Mechanism and Main Board Assembiies
5
Cautions on Cassette Loading When Mechanism Is in Service Position
5
Cassette Loading and Ejecting Procedures When
5
Mechanism Is in Service Position
5
Opening on the Chassis
6
Mechanism Seavice Mode
6
How to Set the "MECHANISM SERVICE MODE
6
Emergency Display Function
7
How to Display Record of an Emergency
7
Detail of Emergency Faults
7
Mechanism Adjustment
7
Preparation
7
Precautions
7
Check Without Cassette Housing Assembly
7
Manual Removal of Loaded Tape
7
Test Equipment
8
Main Mechanism Parts
8
Cleaning
8
Lubrication
8
Suggested Servicing Schedule for Main Components
9
Disassembly/Assembly Proceoure of Mechanism
9
Precaution before Disassembling Mechanism
9
(Mechanism Assembling Mode)
9
Pinchi Roller Arm Assembly
9
AC Head
9
Pinch Plate
9
Lever Assembly,Sub Deck Assembly,Capstan Motor
10
Control Bracket-1
10
Reel Bracket, Slit Disk (Take-Up)
10
Change Lever,Rotary Encoder
11
Take-Up Head,Tension Arm Lever
11
Guide Rail
12
Stator Assembly
12
Rotor Assembly
12
Upper Orum Assembly
12
Checkup and Adjustment of Mechanism Phase
13
Precaution
13
Loading Arm Assembly(Supply,Take-Up)
13
Rotary Encoder,Change Lever,Contro! Cam
13
Slide Plate
13
Control Plate
13
Tape Interchangeability Adjustment
14
Tape Pattern
14
AIC Head Height & Azimuth
14
A/C Head Phase (X-Vaiue)
15
LP Mode Auto Tracking
15
Tension Pole Position
15
Take-Up Torque
15
Electrical Adjustment
16
Precaution
16
Required Test Equipment
16
Required Adju
16
PB Switching Poi
16
Siow Tracking Preset
16
AUTO Picture
17
Syscon Circuit
17
Timer Clock
17
Tuner Circuit
17
Sif Vco
17
Rf Agc
17
Demodulator Circuit
17
Stereo Separation
17
Charts and Diagrams
18
Circuit Board Notes
18
System Control Block Diag
20
Audio Block Diagram
22
System Control Schematic Diagram
24
Tuner Schematic Diagram
26
Pre/Rec Schematic Diagram Pvrvyyeverpd
30
Main and A/C Head Circuit Boards
33
If Schematic Diagram
36
If Circuit Boaad
37
Demodulator Circuit Board
39
Pdc Schematic Diagram
44
Fop Grid Assignment and Anode Connection
45
Parts List
48
Cabinet and Chassis Assembly <M2
49
Electrical Parts List
51
Main Board Assembly <03
51
Rec Safety Board Assembly "32
57
Cassette Switch Board Assembly <33
57
Sw/Jack Board Assembly <36
57
Technical Information
57

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