JVC DVL522U, DVL720U, DVL320U, DVL520U DISASSEMBLY/ASSEMBLY of Cabinet Parts and Board Assembly

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1.2JIGS AND TOOLS REQUIRED FOR DISASSEMBLY, ASSEMBLY AND ADJUSTMENT

1.2.1 Tools required for adjustments

1

Torque Driver

2

Bit

YTU94088

YTU94088-003

 

 

3

Tweezers

4

Chip IC Replacement Jig

P-895

PTS40844-2

 

 

5Cleaning Cloth

KSMM-01

Table 1-2-1

1.Torque driver

Be sure to use to fastening the mechanism and exterior parts because those parts must strictly be controlled for tightening torque.

2.Bit

This bit is slightly longer than those set in conventional torque drivers.

3.Tweezers

To be used for removing and installing parts and wires.

4.Chip IC replacement jig

To be used for adjustment of the camera system.

5.Cleaning cloth

Recommended cleaning cloth to wipe down the video heads, mechanism (tape transport system), optical lens surface.

1.3DISASSEMBLY/ASSEMBLY OF CABINET PARTS AND BOARD ASSEMBLY

1.3.1 Disassembly flow chart

This flowchart indicates the disassembly step for the cabi- net parts and board assembly in order to gain access to item(s) to be serviced. When reassembling, perform the step(s) in reverse order.

1

UPPER CASE ASSY

(Inc. MONITOR ASSY / E.VF ASSY)

/

2DSC BOARD ASSY

3COVER (HINGE)

4MONITOR ASSY

5E.VF ASSY

6MONITOR BOARD ASSY

7

FRONT ASSY

(Inc. DC LIGHT, MIC )

/

8DC LIGHT / LIGHT COVER

/

9 MIC

0OP BLOCK ASSY

!REAR UNIT ASSY

@LOWER CASE ASSY

#JUNCTION BOARD ASSY

$MAIN BOARD ASSY

%JACK BOARD ASSY

/

^MECHANISM ASSY

Table 1-3-1

1-2

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Contents 630851-7855 973317-5000973396-1000 714229-8011Table of Contents Important Safety Precautions Safety Check after Servicing Assembly and disassembly Before Assembly and DisassemblyPrecautions Destination of connectorsDISASSEMBLY/ASSEMBLY of Cabinet Parts and Board Assembly Disassembly method 19 S 20 S ∗ 0.147N·m 1.5kgf·cmCN 10 b 10 a CN 10 a CoverPlate Mecha4 Monitor Assembly Disassembly/assembly of monitor assembly for 2.5-type LCDDisassembly/assembly of hinge assembly for 2.5-type LCD Disassembly/assembly of monitor assembly for 3.5-type LCD Disassembly/assembly of hinge assembly for 3.5-type LCD∗ 0.078 N m 0.8 kgf cm 5 E. VF AssemblyDisassembly/assembly of E.VF assembly for the B/W VF VF Hinge AssyReplacement of service repair parts How to remove CCD board assembly and CCD base assemblyHow to assemble CCD base assembly and CCD board assembly ∗ 0.078 N m 0.8 kgf cmExample in case of the error number E01 Emergency DisplayLCD Opblockassy Service NoteMonitorassy WvfassyPreliminary Remarks on Adjustment and Repair Part Name Point RemarksJig Connector cable Adjustment DriverSlit washer Installation Jig Service Support SystemBack side of the mechanism assembly DISASSEMBLY/ASSEMBLY of Mechanism AssemblyMechanism assembly/Cassette housing assembly Explanation of mechanism modeMechanism timing chart REV Play PartsFollow chart Configuration Mechanism assemblySlide deck assembly Main deck assembly Procedures for disassemblyDisassembling procedure table 10c 10dL1d L1a L1c L1b Cassette Housing assembly L1aDisassembly/assembly Cassette housing assembly SuptuL4a 4c Drum assemblyW3a W3b P4b P4a L4bGuide roller Assembly BSlide deck assemblyAssembly CMain deck8a Tension lever assembly 8a Tension lever assembly/ 8b Slide lever assembly8c Brake control lever assembly W7Note 7d P7b S7b Note 7c S7a P7a P7c P7d L7b L7a L7d L7cW10a 10c W10a 10d 10a W10b 10e10b L10 W11 Note 11c11d 11b 11e List of procedures for disassembly KYODO-SH-PCheckup and Adjustment of Mechanism Phase Mechanism Adjustments Play mode Locating procedureLocating tension pole 2b Reel disk TU assembly W2 ⋅1 S2a ⋅2 S2b ⋅1 Tension arm Lever assembly Jig connector cable YTU93082C Jig board CN105 CoverJIG JIG Connector Cable ConnectionMonitor PrecautionPrecaution Required test equipmentSetup

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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