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HM-HDS1EK
JVC HM-HDS1EK Manuals
Manuals and User Guides for JVC HM-HDS1EK. We have
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JVC HM-HDS1EK manual available for free PDF download: Service Manual
JVC HM-HDS1EK Service Manual (106 pages)
HDD & S-VHS VIDEO RECORDER
Brand:
JVC
| Category:
Recording Equipment
| Size: 5.98 MB
Table of Contents
Table of Contents
4
Important Safety Precautions
5
1 Disassembly
7
How to Remove the Major Parts
7
Introduction
7
How to Read the Disassembly and Assembly
7
Disconnection of Connectors (Wires)
7
Screws Used Cabinet Components and Board Assemblies
7
HOW to REMOVE the MAJOR PARTS <COM Section
8
Disassembly Flow Chart
8
Disassembly/Assembly Method <COM Section
8
HOW to REMOVE the MAJOR PARTS <VHS Section
10
Disassembly Flow Chart
10
Disassembly/Assembly Method <VHS Section
10
Hard Disk Drive (HDD) Handling Precautions
12
HOW to REMOVE the MAJOR PARTS <HDD Section
12
Disassembly Flow Chart
12
Disassembly/Assembly Method <HDD Section
12
Service Positions
13
Service Position <VHS SIDE
13
Front Panel Assembly
13
Service Position <HDD SIDE
14
Mechanism Service Mode
15
How to Set the "MECHANISM SERVICE MODE
15
Top View
16
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
2 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
A/C 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
FM Waveform Linearity
37
Height and Tilt of the A/C Head
38
A/C Head Phase (X-Value)
38
Standard Tracking Preset
39
Tension Pole Position
39
3 Electrical Adjustment (Vhs)
41
Precaution
41
Required Test Equipments
41
Required Adjustment Tools
41
Color (Colour) Bar Signal,Color (Colour) Bar Pattern
41
Switch Settings and Standard Precautions
41
EVR Adjustment
41
Servo Circuit
42
Switching Point
42
Slow Tracking Preset
42
Video Circuit
42
D/A Level
42
EE y Level
43
PB y Level (S-VHS / VHS)
43
REC Color (Colour) Level
43
Video EQ (Frequency Response)
44
AUTO PICTURE Initial Setting
44
Digital Circuit
44
HDD EE y Level
44
HDD PB y Level
45
HDD PB C Burst Level
45
Audio Circuit
45
Audio REC FM
45
Syscon Circuit [Hm-Hds1Eu]
46
Timer Clock
46
4 Charts and Diagrams
47
Notes of Schematic Diagram
47
Circuit Board Notes
48
Board Interconnections
49
Switching Regulator and Regulator Schematic Diagrams
50
Video/Audio Schematic Diagram
51
System Control Schematic Diagram
52
Video I/O Switch Schematic Diagram
54
Audio I/O Schematic Diagram
55
Connection Schematic Diagram
56
Tuner Schematic Diagram
57
Digital/2M Schematic Diagram
58
Terminal Schematic Diagram
59
Demodulator Schematic Diagram
60
S-Sub Schematic Diagram
61
On Screen Schematic Diagram
62
Eject Sw, Display, Jack, Led/Sw and Led Schematic Diagrams
63
Digital P.sup Schematic Diagram
64
Digital Video Schematic Diagram
65
Digital Audio Schematic Diagram
66
Digital Mpeg Dec Schematic Diagram
67
Digital Mpeg Enc Schematic Diagram
68
Digital Asic if Schematic Diagram
69
Digital Sub Schematic Diagram
70
Remote Control Schematic Diagram
71
Waveforms
72
Voltage Charts
73
Cpu Pin Function
74
System Control Block Diagram (Vhs)
75
Audio Block Diagram
76
Video Block Diagram(Vhs)
77
Video/Audio Block Diagram (Hdd)
79
5 Parts List
80
Packing and Accessory Assembly <M1
80
Safety Precaution
80
Final Assembly <M2
81
Mechanism Assembly <M4
83
Electrical Parts List
85
Sw.reg Board Assembly <01
85
Reg Board Assembly <02
86
Main Board Assembly <03
87
Digital/2M Board Assembly <05
94
Terminal Board Assembly <06
96
A/C Head Board Assembly <12
97
Demod Board Assembly <14
97
S-Sub Board Assembly <15
98
On Screen Board Assembly <17
99
Eject Sw Board Assembly <27
99
Sw/Display Board Assembly <28
99
Jack Board Assembly <36
100
Led/Sw Board Assembly <47
101
Digital Sub Board Assembly <49
101
Digital Board Assembly <50
101
Loading Motor Board Assembly <55
106
Led Board Assembly <90
106
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