JVC GR-DVL120U User Manual

SERVICE MANUAL
No. 86671
March 2002
SPECIFICATIONS
DIGITAL VIDEO CAMERA
Printed in Japan
This service manual is printed on 100% recycled paper.
COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
GR-DVL120U
No. 86671
GR-DVL120U
JVC SERVICE & ENGINEERING COMPANY OF AMERICA
DIVISION OF JVC AMERICAS CORP.
Head office
East Coast
Midwest
West Coast
Atlanta
Hawaii
:
:
:
:
:
:
1700 Valley Road Wayne, New Jersey 07470-9976
10 New Maple Avenue Pine Brook, New Jersey 07058-9641
705 Enterprise Street Aurora, Illinois 60504-8149
5665 Corporate Avenue Cypress, California 90630-0024
1500 Lakes Parkway Lawrenceville, Georgia 30043-5857
2969 Mapunapuna Place Honolulu, Hawaii 96819-2040
(973)317-5000
(973)396-1000
(630)851-7855
(714)229-8011
(770)339-2582
(808)833-5828
JVC CANADA INC.
Head office
Montreal
Vancouver
:
:
:
21 Finchdene Square Scarborough, Ontario M1X 1A7
16800 Rte Trans-Canadienne, Kirkland, Quebec H9H 5G7
13040 Worster Court Richmond, B.C. V6V 2B3
(416)293-1311
(514)871-1311
(604)270-1311
S40895-04
Camcorder
General
Power supply : DC 11.0 V (Using AC Adapter)
DC 7.2 V (Using battery pack)
Power consumption
LCD monitor off, viewfinder on : Approx. 4.3 W
LCD monitor on, viewfinder off : Approx. 5.3 W
Dimensions (W x H x D) : 83 mm x 94 mm x 223 mm (3-5/16" x 3-3/4" x 8-13/16")
(with the LCD monitor closed and the viewfinder
pushed down)
Weight : Approx. 630 g (1.4 lbs)
Operating temperature : 0°C to 40°C (32°F to 104°F)
Operating humidity : 35% to 80%
Storage temperature : –20°C to 50°C (–4°F to 122°F)
Pickup : 1/4" CCD
Lens : F 1.6, f = 3.9 mm to 62.4 mm, 16:1 power zoom lens
Filter diameter : ø40.5 mm
LCD monitor : 2.5" diagonally measured, LCD panel/TFT active matrix
system
Viewfinder : Electronic viewfinder with 0.24" black/white LCD
Speaker : Monaural
Digital Video Camera
Format : DV format (SD mode)
Signal format : NTSC standard
Recording/Playback format : Video: Digital component recording
: Audio: PCM digital recording, 32 kHz 4-channel (12-bit),
48 kHz 2-channel (16-bit)
Cassette : Mini DV cassette
Tape speed : SP: 18.8 mm/s
LP: 12.5 mm/s
Maximum recording time : SP: 80 min.
(using 80 min. cassette) LP: 120 min.
Connectors
S-Video
Output : Y: 1 V (p-p), 75 Ω, analog
C: 0.29 V (p-p), 75 Ω, analog
AV
Video output : 1 V (p-p), 75 Ω, analog
Audio output : 300 mV (rms), 1 kΩ, analog, stereo
DV
Output : 4-pin, IEEE 1394 compliant
Input : 4-pin, IEEE 1394 compliant
AC Adapter
Power requirement
U.S.A. and Canada : AC 120 V`, 60 Hz
Other countries : AC 110 V to 240 V`, 50 Hz/60 Hz
Output : DC 11 V , 1 A
Specifications shown are for SP mode unless otherwise indicated. E & O.E.
Design and specifications subject to change without notice.

JVC GR-DVL120U Specifications

General

Recording Media	MiniDV
Optical Zoom	10x
Digital Zoom	700x
LCD Screen Size	2.5 inches
Weight	1.2 lbs
Image Sensor	CCD
Image Sensor Size	1/4 inch
Viewfinder	Color
Still Image Format	JPEG
Battery Type	Lithium-ion
Type	Digital Camcorder
Video Resolution	720 x 480
Effective Pixels	680, 000 pixels
Video Recording Format	DV (Digital Video)
Interface	IEEE 1394 (FireWire)

Summary

Important Safety Precautions

Precautions during Servicing

Guidelines for safe and compliant servicing procedures.

Safety Check after Servicing

Insulation resistance test

Confirms insulation resistance between power cord and exposed parts.

Dielectric strength test

Verifies dielectric strength between power cord and exposed parts.

Clearance distance

Ensures specified clearance between terminals and metallic parts.

Leakage current test

Measures leakage current between earth ground and exposed parts.

Grounding (Class 1 model only)

Confirms grounding impedance between earth pin and accessible parts.

SECTION 1 DISASSEMBLY

1.1 BEFORE ASSEMBLY AND DISASSEMBLY

Precautions and general notes before disassembling or assembling.

1.1.1 Precautions

Key safety and handling precautions for service.

1.1.2 Assembly and disassembly

Details on part numbering and disassembly flow for components.

1.1.3 Destination of connectors

Shows connector types and their destinations in wiring tables.

1.1.4 Disconnection of connectors (Wires)

Instructions for safely disconnecting various types of wire connectors.

1.2 JIGS AND TOOLS REQUIRED FOR DISASSEMBLY, ASSEMBLY AND ADJUSTMENT

1.2.1 Tools required for adjustments

Lists specific tools and jigs needed for various adjustment procedures.

1.3 DISASSEMBLY/ASSEMBLY OF CABINET PARTS AND BOARD ASSEMBLY

1.3.1 Disassembly flow chart

Illustrates the step-by-step process for disassembling cabinet parts and boards.

1.3.2 Disassembly method

1.4 MONITOR ASSEMBLY

1.4.1 Disassembly/assembly of monitor assembly (for 2.5"-type LCD)

Procedure to disassemble and reassemble the monitor assembly for 2.5-inch LCD.

1.4.2 Disassembly/assembly of hinge assembly (for 2.5"-type LCD)

Steps for disassembling and reassembling the monitor hinge assembly.

1.5 E. VF ASSEMBLY

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

Instructions for disassembling and assembling the Electronic Viewfinder (E.VF) assembly.

1.6 DISASSEMBLY/ASSEMBLY OF OP BLOCK ASSEMBLY/CCD BOARD ASSEMBLY

1.6.1 Precautions

Care and handling precautions for CCD image sensor and optical components.

1.6.2 How to remove CCD board assembly and CCD base assembly

Steps to remove the CCD board and base assemblies.

1.6.3 How to assemble CCD base assembly and CCD board assembly

Steps to reassemble the CCD base and board assemblies.

1.6.4 Replacement of Service Repair Parts

Lists service repair parts for the OP Block Assembly.

1.7 EMERGENCY DISPLAY

1.8 SERVICE NOTE

SECTION 2 MECHANISM ADJUSTMENT

2.1 PRELIMINARY REMARKS ON ADJUSTMENT AND REPAIR

General notes and precautions for mechanism adjustment and repair.

2.1.1 Precautions

Key precautions regarding torque, power disconnection, and handling.

2.1.2 Notes on procedure for disassemby/assembly

Explanation of symbols and procedures in disassembly/reassembly tables.

2.2 JIGS AND TOOLS REQUIRED FOR DISASSEMBLY, ASSEMBLY AND ADJUSTMENT

2.2.1 Tools required for adjustments

Lists all necessary jigs and tools for mechanism adjustments and checks.

2.3 DISASSEMBLY/ASSEMBLY OF MECHANISM ASSEMBLY

2.3.1 General statement

General procedure and mode entry for mechanism disassembly/assembly.

2.3.2 Explanation of mechanism mode

Describes the six mechanism modes and how to distinguish them.

2.3.3 Mechanism timing chart

2.4 DISASSEMBLY/ASSEMBLY OF MECHANISM ASSEMBLY

2.4.1 Follow chart

Flowchart for the configuration and disassembly procedure of the mechanism assembly.

2.4.3 List of procedures for disassembly

2.5 CHECKUP AND ADJUSTMENT OF MECHANISM PHASE

2.6 MECHANISM ADJUSTMENTS

2.6.1 Assembling slide deck assembly and main deck assembly

Steps for correctly assembling the slide deck and main deck assemblies.

2.6.2 Locating tension pole

2.7 SERVICE NOTE

2.8 COMPATIBILITY ADJUSTMENT

2.8.1 Jig connector cable connection

Instructions for connecting the jig connector cable for compatibility adjustment.

2.8.2 Tape pattern check

SECTION 3 ELECTRICAL ADJUSTMENT

3.1 PRECAUTION

Precautions and required test equipment for electrical adjustments.

3.2 SETUP

Procedure for setting up the equipment for electrical adjustments.