TABLE OF CONTENTS

Section

Title

Page

Important Safety Precautions

 

INSTRUCTIONS

 

1. DISASSEMBLY

 

1.1 BEFORE ASSEMBLY AND DISASSEMBLY

1-1

1.1.1

Precautions

1-1

1.1.2

Assembly and disassembly

1-1

1.1.3

Destination of connectors

1-1

1.1.4 Disconnection of Connectors (Wires)

1-1

1.2 JIGS AND TOOLS REQUIRED FOR DISASSEMBLY,

 

ASSEMBLY AND ADJUSTMENT

1-2

1.2.1 Tools required for adjustments

1-2

1.3 DISASSEMBLY/ASSEMBLY OF CABINET PARTS AND

 

BOARD ASSEMBLY

1-2

1.3.1

Disassembly flow chart

1-2

1.3.2

Disassembly method

1-3

1.4 4 MONITOR ASSEMBLY

1-7

1.4.1 Disassembly/assembly of monitor assembly

 

 

(for 2.5”-type LCD)

1-7

1.4.2 Disassembly/assembly of hinge assembly

 

 

(for 2.5”-type LCD)

1-7

1.4.3 Disassembly/assembly of monitor assembly

 

 

(for 3.5”-type LCD)

1-8

1.4.4 Disassembly/assembly of hinge assembly

 

 

(for 3.5”-type LCD)

1-8

1.5 5 E. VF ASSEMBLY

1-9

1.5.1Disassembly/assembly of E.VF assembly (for the B/W VF) . 1-9

1.6DISASSEMBLY/ASSEMBLY OF 0 OP BLOCK

 

ASSEMBLY/CCD BOARD ASSEMBLY

1-10

1.6.1

Precautions

1-10

1.6.2 How to remove CCD board assembly and

 

 

 

CCD base assembly

1-10

1.6.3 How to assemble CCD base assembly and

 

 

 

CCD board assembly

1-10

1.6.4 Replacement of service repair parts

1-10

1.7

EMERGENCY DISPLAY

1-11

1.8

SERVICE NOTE

1-12

2. MECHANISM ADJUSTMENT

 

2.1

PRELIMINARY REMARKS ON ADJUSTMENT AND REPAIR

.. 2-1

2.1.1

Precautions

2-1

2.1.2 Notes on procedure for disassemby/assembly

2-1

2.2

JIGS AND TOOLS REQUIRED FOR DISASSEMBLY,

 

 

ASSEMBLY AND ADJUSTMENT

2-2

2.2.1 Tools required for adjustments

2-2

2.3

DISASSEMBLY/ASSEMBLY OF MECHANISM ASSEMBLY

2-3

2.3.1

General statement

2-3

2.3.2 Explanation of mechanism mode

2-3

2.3.3

Mechanism timing chart

2-4

2.4

DISASSEMBLY/ASSEMBLY OF MECHANISM ASSEMBLY

2-5

2.4.1

Follow chart

2-5

2.4.2

Disassembly/assembly

2-8

2.4.3 List of procedures for disassembly

2-14

2.5

CHECKUP AND ADJUSTMENT OF MECHANISM PHASE ..

2-15

2.6

MECHANISM ADJUSTMENTS

2-16

2.6.1

Assembling slide deck assembly and main deck assembly 2-16

2.6.2

Locating tension pole

2-17

2.7

SERVICE NOTE

2-18

2.8

JIG CONNECTOR CABLE CONNECTION

2-20

Section

Title

Page

3. ELECTRICAL ADJUSTMENT

 

3.1

Precaution

3-1

3.2 SETUP

3-2

4. CHARTS AND DIAGRAMS

 

NOTES OF SCHEMATIC DIAGRAM

4-1

CIRCUIT BOARD NOTES

4-2

4.1 BOARD INTERCONNECTIONS

4-3

4.2 MAIN IF SCHEMATIC DIAGRAM

4-5

4.3 SYSCON SCHEMATIC DIAGRAM

4-7

4.4 PC IF SCHEMATIC DIAGRAM

4-8

4.5

DECKCPU SCHEMATIC DIAGRAM

4-11

4.6

MDA SCHEMATIC DIAGRAM

4-13

4.7

AUDIO SCHEMATIC DIAGRAM

4-15

4.8

DVMAIN SCHEMATIC DIAGRAM

4-17

4.9

PRE/REC SCHEMATIC DIAGRAM

4-10

4.10

V OUT SCHEMATIC DIAGRAM

4-21

4.11

CAM.DSP SCHEMATIC DIAGRAM

4-23

4.12

OP DRV SCHEMATIC DIAGRAM

4-25

4.13

TG SCHEMATIC DIAGRAM

4-27

4.14

REG SCHEMATIC DIAGRAM

4-29

4.15

MONITOR SCHEMATIC DIAGRAM

4-31

4.16

LCD BL SCHEMATIC DIAGRAM

4-33

4.17

CCD SCHEMATIC DIAGRAM

4-35

4.18

JUNCTION SCHEMATIC DIAGRAM

4-36

4.19

JACK SCHEMATIC DIAGRAM

4-37

4.20

REAR SCHEMATIC DIAGRAM

4-38

4.21

B/W VF SCHEMATIC DIAGRAM

4-39

4.22

DSC SCHEMATIC DIAGRAM [DVL520/DVL522/DVL720] ....

4-41

4.23

MAIN CIRCUIT BOARD [DVL220/DVL320/DVL520]

4-43

4.24

MAIN CIRCUIT BOARD [DVL522/DVL720]

4-49

4.25

MONITOR CIRCUIT BOARD

4-55

4.26

LCD BL CIRCUIT BOARD

4-57

4.27

CCD AND JUNCTION CIRCUIT BOARDS

4-59

4.28

JACK AND VF CIRCUIT BOARDS

4-61

4.29

REAR CIRCUIT BOARD

4-63

4.30

DSC CIRCUIT BOARD [DVL520/DVL522/DVL720]

4-65

4.31

VOLTAGE CHARTS

4-67

4.32

POWER SYSTEM BLOCK DIAGRAM

4-71

4.33

VIDEO SYSTEM BLOCK DIAGRAM

4-73

4.34

REGULATOR SYSTEM BLOCK DIAGRAM

4-77

5. PARTS LIST

 

 

5.1 PACKING AND ACCESSORY ASSEMBLY <M1>

5-1

5.2 FINAL ASSEMBLY <M2>

5-3

5.3 MECHANISM ASSEMBLY <M3>

5-6

5.4 ELECTRONIC VIEWFINDER ASSEMBLY <M4>

5-8

5.5 MONITOR ASSEMBLY <M5> [GR-DVL220U, 320U, 520U, 522U] . 5-9

5.5 MONITOR ASSEMBLY <M5> [GR-DVL720U]

5-10

5.6 ELECTRICAL PARTS LIST

5-11

MAIN BOARD ASSEMBLY <01>

5-11

MONITOR BOARD ASSEMBLY <02>

5-19

LCD BL BOARD ASSEMBLY <03>

5-20

CCD BOARD ASSEMBLY <04>

5-20

JUNCTION BOARD ASSEMBLY <05>

5-20

JACK BOARD ASSEMBLY <06>

5-20

REAR BOARD ASSEMBLY <07>

5-21

B/W VF BOARD ASSEMBLY <08>

5-21

DSC BOARD ASSEMBLY <10> (E,F,G)

5-21

The following table lists the differing points between Models GR-DVL220U,GR-DVL320U, GR-DVL520U,GR-DVL522U and GR-DVL720U in this serise.

 

GR-DVL220U

GR-DVL320U

GR-DVL520U

GR-DVL522U

GR-DVL720U

 

 

 

 

 

 

LCD MONITOR

2.5”

2.5”

2.5”

2.5”

3.5”

VIDEO LIGHT

NOT USED

USED

USED

USED

USED

DIGITAL STILL CAMERA

NOT USED

NOT USED

USED

USED

USED

MEMORY CARD

NOT USED

NOT USED

USED

USED

USED

EDITING CABLE

NOT USED

NOT USED

NOT USED

USED

USED

RCU UNIT

RM-V715U

RM-V715U

RM-V715U

RM-V717U

RM-V717U

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JVC DVL320U, DVL720U, DVL522U, DVL520U, GR-DVL220U service manual Table of Contents
Page 1 Page 3

DVL522U, GR-DVL220U, DVL720U, DVL520U, DVL320U specifications

The JVC DVL320U, DVL520U, DVL720U, GR-DVL220U, and DVL522U are part of JVC's renowned line of digital camcorders that emerged in the early 2000s. Each model showcases an impressive blend of innovative features suited for both amateur enthusiasts and semi-professional videographers alike.

The DVL320U is particularly notable for its compact design and user-friendly interface, making it ideal for capturing everyday moments. It features a 680,000-pixel CCD sensor that provides vibrant image quality and accurate color reproduction. Enhanced with 20x optical zoom and a digital zoom of up to 100x, this model allows users to capture distant subjects clearly. Its built-in digital effects and transition features enable creative video production without needing extensive editing skills.

Moving on to the DVL520U, this model builds upon its predecessor with improved resolution and additional recording formats. The DVL520U supports both VHS-C and S-VHS-C formats, enhancing its versatility for different recording needs. The camera offers excellent low-light performance, aided by its Night Alive feature, which amplifies low-light sensor signals, allowing users to record in dim conditions effectively.

The DVL720U stands out due to its superior optical performance with a 24x optical zoom and enhanced image stabilization technology. With this model, users can expect smoother visuals, particularly in dynamic shooting situations. Alongside a larger LCD screen for easier monitoring, the DVL720U incorporates various shooting modes, including a manual focus option and white balance settings to adapt to multiple shooting environments.

The GR-DVL220U caters to those looking for a portable solution without sacrificing quality. With a combination of high-quality video capture and a compact form factor, this camcorder is ideal for travel and outdoor use. It boasts a Quick Rec function for spontaneous shooting, allowing videographers to capture fleeting moments quickly.

Lastly, the DVL522U enhances connectivity and usability, boasting FireWire input to facilitate easy digital transfer to computers for editing. This feature makes it perfect for aspiring content creators who wish to move their footage to digital platforms seamlessly. Its advanced image processing technology also helps reduce noise and enhance clarity for non-stop recording joy.

In summary, the JVC DVL320U, DVL520U, DVL720U, GR-DVL220U, and DVL522U are impressive camcorders boasting innovative features tailored for various videography needs. With advances in optical zoom capabilities, low-light performance, and connectivity options, JVC has established itself as a key player in the digital video industry during this era.
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