JVC DVL320U, DVL720U, DVL522U, DVL520U, GR-DVL220U service manual Mechanism Adjustments

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2.6 MECHANISM ADJUSTMENTS

2.6.1 Assembling slide deck assembly and main deck assembly

		C	C
2	œ	3	3
	œ
	Œ

3 D

3 3

A B B

Fig. 2-6-1

Assembling procedure

1.Loosen the screw A.

2.Set the mechanism in the PLAY mode.

(Refer to “2.3.2 Explanation of mechanism mode”.)

3.Press the end face B of the slide deck assembly (reel disk side) and the end face C of the main deck assem- bly (drum assembly side) with uniform force so that the two assemblies are tightly pressed to each other. Further- more, press the part D and tighten the screw A.

Note : Tightening torque for screw A: 0.069 N·m (0.7 kgf·cm)

2-16

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Contents 973317-5000 973396-1000630851-7855 714229-8011Table of Contents Important Safety Precautions Safety Check after Servicing Before Assembly and Disassembly PrecautionsAssembly and disassembly 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 MechaDisassembly/assembly of hinge assembly for 2.5-type LCD 4 Monitor AssemblyDisassembly/assembly of monitor 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 LCD5 E. VF Assembly Disassembly/assembly of E.VF assembly for the B/W VF∗ 0.078 N m 0.8 kgf cm VF Hinge AssyHow to remove CCD board assembly and CCD base assembly How to assemble CCD base assembly and CCD board assemblyReplacement of service repair parts ∗ 0.078 N m 0.8 kgf cmLCD Example in case of the error number E01Emergency Display Service Note MonitorassyOpblockassy WvfassyPreliminary Remarks on Adjustment and Repair Part Name Point RemarksAdjustment Driver Slit washer Installation JigJig Connector cable Service Support SystemDISASSEMBLY/ASSEMBLY of Mechanism Assembly Mechanism assembly/Cassette housing assemblyBack side of the mechanism assembly Explanation of mechanism modeMechanism timing chart REV Play PartsMechanism assembly Slide deck assembly Main deck assemblyFollow chart Configuration Procedures for disassemblyDisassembling procedure table 10c 10dL1b Cassette Housing assembly L1a Disassembly/assembly Cassette housing assemblyL1d L1a L1c Suptu4c Drum assembly W3a W3bL4a P4b P4a L4bBSlide deck assembly AssemblyGuide roller Assembly CMain deck8a Tension lever assembly/ 8b Slide lever assembly 8c Brake control lever assembly8a Tension lever assembly W7Note 7d P7b S7b Note 7c S7a P7a P7c P7d L7b L7a L7d L7c10b L10 W10a 10c W10a 10d10a W10b 10e 11d 11b 11e W11 Note11c List of procedures for disassembly KYODO-SH-PCheckup and Adjustment of Mechanism Phase Mechanism Adjustments Locating tension pole Play modeLocating procedure 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 ConnectionPrecaution PrecautionMonitor 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.