JVC GR-DV3000U Service Manual
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JVC GR-DV3000U Service Manual

JVC GR-DV3000U Service Manual

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JVC SERVICE & ENGINEERING COMPANY OF AMERICA
DIVISION OF JVC AMERICAS CORP.
Head office
:
1700 Valley Road Wayne, New Jersey 07470-9976
:
10 New Maple Avenue Pine Brook, New Jersey 07058-9641
East Coast
:
705 Enterprise Street Aurora, Illinois 60504-8149
Midwest
:
5665 Corporate Avenue Cypress, California 90630-0024
West Coast
:
1500 Lakes Parkway Lawrenceville, Georgia 30043-5857
Atlanta
:
2969 Mapunapuna Place Honolulu, Hawaii 96819-2040
Hawaii
JVC CANADA INC.
Head office
:
21 Finchdene Square Scarborough, Ontario M1X 1A7
:
Montreal
16800 Rte Trans-Canadienne, Kirkland, Quebec H9H 5G7
:
Vancouver
13040 Worster Court Richmond, B.C. V6V 2B3
(973)317-5000
(973)396-1000
(630)851-7855
(714)229-8011
(770)339-2582
(808)833-5828
(416)293-1311
(514)871-1311
(604)270-1311
S40895-04
Printed in Japan
SERVICE MANUAL

DIGITAL VIDEO CAMERA

GR-DV3000U
SPECIFICATIONS
Camcorder
General
Power supply
: DC 6.3 V
(Using AC Power Adapter/Charger)
DC 7.2 V
(Using battery pack)
Power consumption
LCD monitor off, viewfinder on : Approx. 4.3 W
LCD monitor on, viewfinder off : Approx. 5.4 W
Dimensions (W x H x D)
: 76 mm x 90 mm x 194 mm (3" x 3-9/16" x 7-11/16")
(with the LCD monitor closed and the viewfinder pushed back
in, without the lens hood)
Weight
: Approx. 660 g (1.4 lbs)
(without cassette, memory card and battery)
Approx. 740 g (1.7 lbs)
(incl. cassette, memory card and battery)
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
: 1/3.6" CCD
Lens
: F 1.2, f = 4.5 mm to 45 mm, 10:1 power zoom lens
Filter diameter
: ø52 mm
LCD monitor
: 3.5" diagonally measured, LCD panel/TFT active matrix
system
Viewfinder
: Electronic viewfinder with 0.44" color 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.
Digital Still Camera Function
Storage media
: SD Memory Card/MultiMediaCard
Compression system
: Still image
: JPEG (compatible)
Moving image
: MPEG4 (compatible)
File size
: Still image
: 4 modes (1600 x 1200 pixels, 1280 x 960
pixels, 1024 x 768 pixels, 640 x 480 pixels)
Moving image
: 2 modes (240 x 176 pixels, 160 x 120 pixels)
Picture quality
: 2 modes (FINE/STANDARD)
Approximate number of storable images
(with the provided memory card [16 MB])
FINE
: 84 (640 x 480 pixels), 40 (1024 x 768 pixels),
25 (1280 x 960 pixels), 16 (1600 x 1200 pixels)
STANDARD
: 255 (640 x 480 pixels), 125 (1024 x 768 pixels),
84 (1280 x 960 pixels), 54 (1600 x 1200 pixels)
For other memory cards,
pg. 17.
This service manual is printed on 100% recycled paper.
COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
Connectors
AV
: 1 V (p-p), 75 Ω, analog
Video output
: 0.5 V (p-p) – 2.0 V (p-p), 75 Ω, analog
Video input
Audio output
: 300 mV (rms), 1 kΩ, analog, stereo
Audio input
: 300 mV (rms), 50 kΩ, analog, stereo
DV
Input/output
: 4-pin, IEEE 1394 compliant
PHONE
Headphone output
: ø3.5 mm, stereo
PRINTER
: For an optional video printer equipped
with a PRINT DATA connector
AC Power Adapter/Charger AA-V40U
Power requirement
U.S.A. and Canada
: AC 120 V`, 60 Hz
Other countries
: AC 110 V to 240 V`, 50 Hz/60 Hz
Power consumption
: 23 W
Output
Charge
: DC 7.2 V
, 1.2 A
VTR
: DC 6.3 V
, 1.8 A
Dimensions (W x H x D)
: 68 mm x 38 mm x 110 mm (2-11/16" x
1-1/2" x 4-3/8")
Weight
: Approx. 250 g (0.56 lbs)
Jack Box CU-V504U
General
Dimensions (W x H x D)
: 37.5 mm x 18.5 mm x 55 mm (1-1/2" x
3/4" x 2-3/16")
Weight
: Approx. 30 g (0.67 lbs)
Connectors
USB
: TYPE B
S-VIDEO
: Y: 1 V (p-p), 75 Ω, analog
Output
C: 0.29 V (p-p), 75 Ω, analog
: Y: 0.8 V (p-p) – 1.2 V (p-p), 75 Ω, analog
Input
C: 0.2 V (p-p) – 0.4 V (p-p), 75 Ω, analog
EDIT
: ø3.5 mm, 2-pole
Specifications shown are for SP mode unless otherwise indicated. E & O.E. Design and
specifications subject to change without notice.
No. 86665
January 2002

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  • Page 1: Digital Video Camera

    : 4-pin, IEEE 1394 compliant LCD monitor off, viewfinder on : Approx. 4.3 W PHONE LCD monitor on, viewfinder off : Approx. 5.4 W JVC SERVICE & ENGINEERING COMPANY OF AMERICA Headphone output : ø3.5 mm, stereo Dimensions (W x H x D) : 76 mm x 90 mm x 194 mm (3"...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Section Title Page Section Title Page Important Safety Precautions 4. CHARTS AND DIAGRAMS INSTRUCTIONS NOTES OF SCHEMATIC DIAGRAM .......... 4-1 CIRCUIT BOARD NOTES ............4-2 1. DISASSEMBLY 4.1 BOARD INTERCONNECTIONS ........... 4-3 1.1 BEFORE ASSEMBLY AND DISASSEMBLY ......1-1 4.2 MAIN IF SCHEMATIC DIAGRAM ..........

  • Page 3: Important Safety Precautions

    Important Safety Precautions Prior to shipment from the factory, JVC products are strictly inspected to conform with the recognized product safety and electrical codes of the countries in which they are to be sold. However, in order to maintain such compliance, it is equally important to implement the following precautions when a set is being serviced.
  • Page 4 • Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts and wires have been returned to original positions, Afterwards, perform the following tests and confirm the specified values in order to verify compliance with safety standards.

  • Page 5: Disassembly

    SECTION 1 DISASSEMBLY 1.1 BEFORE ASSEMBLY AND DISASSEMBLY 1.1.4 Disconnection of Connectors (Wires) 1.1.1 Precautions Connector Pull both ends of the connector in the arrow direction, re- 1. Be sure to remove the power supply unit prior to mount- move the lock and disconnect the flat wire. ing and soldering of parts.

  • Page 6: Jigs And Tools Required For Disassembly, Assembly And Adjustment

    1.2 JIGS AND TOOLS REQUIRED FOR DISASSEMBLY, 1.3 DISASSEMBLY/ASSEMBLY OF CABINET PARTS ASSEMBLY AND ADJUSTMENT AND BOARD ASSEMBLY 1.2.1 Tools required for adjustments 1.3.1 Disassembly flow chart This flowchart indicates the disassembly step for the cabi- Torque driver YTU94088 YTU94088-003 net parts and board assembly in order to gain access to item(s) to be serviced.

  • Page 7: Disassembly Method

    1.3.2 Disassembly method NOTE a: Open the cassette cover after removing the STEP Fig.No. PART POINT NOTE screws. ZOOM OPE UNIT Fig.1-3-1 3(S1),(L1a),5(L1b),CN1a NOTE b: Be sure to confirm the position of the screws. FRONT COVER Fig.1-3-2a CN2a,CN2b,2(S2a),(S2b), NOTE2a NOTE c: Be careful not to damage the FPC when unplug- ASSY (S2c),(S2d),2(S2e),CN2c...
  • Page 8 JUNCTION BOARD ASSY NOTE FE SW BOARD ASSY NOTE FRONT BOARD ASSY WIRERING WIRE Fig. 1-3-1 Fig. 1-3-2b NOTE NOTE NOTE NOTE NOTE (BOTTOM) NOTE NOTE Fig. 1-3-2a...
  • Page 9 SHOE ASSY FOCUS UNIT SW FPC UNIT COVER (MENU) MICROPHONE Fig. 1-3-2c NOTE 3 b NOTE 3 b NOTE 3 b NOTE 3 c NOTE 3 a NOTE 3 a (BOTTOM) NOTE 3 c Fig. 1-3-3...
  • Page 10 NOTE 4 Fig. 1-3-4 Fig. 1-3-6 NOTE 7 NOTE 5 Fig. 1-3-5 Fig. 1-3-7...
  • Page 11 Fig. 1-3-8 Fig. 1-3-9 NOTE NOTE CN407 NOTE CN403 SHIELD COVER (PRE/REC) ∗ ∗ ∗ ∗ ∗ NOTE BKT (MECHA) ASSY ∗ : 0.069 N • m (0.7 kgf • Fig. 1-3-10...

  • Page 12: Precautions

    1.4 DISASSEMBLY OF THE OP BLOCK AND CCD 1.4.3 How to install BOARD ASSEMBLIES 1. With the spacer rubbers attached to the CCD base, 1.4.1 Precautions mount the CCD base in the OP Block Assembly and tighten them together using the two screws (1, 2). 1.

  • Page 13: Vf(Color)

    E.VF(COLOR) 1.5.1. Disassembly/Assembly of the E.VF(COLOR) 1. Remove the two screws (1 and 2) and then remove the EYE CUP. 2. Remove the two screws (3 and 4). 3. Pull out the VF assembly and then remove the three screws (5 to 7) to release the FPC ASSY. 4.

  • Page 14: Disassembly/Assembly Of The 7 E.vf(Color)

    1.6 DISASSEMBLY/ASSEMBLY OF THE MONITOR a: Be careful not to damage the FPC or the connec- Note ASSEMBLY tor when removing the Monitor Cover Assembly. Note b: Be careful not to damage the parts when remov- 1.6.1 Monitor Assembly and Hinge Assembly ing or mounting the Hinge Assembly.

  • Page 15: Manual Ejection Of The Cassette Tape

    1.7 MANUAL EJECTION OF THE CASSETTE TAPE 4. In order to change the mechanism mode at the unload- Note: The following procedure describes a simplified method ing end apply 3 V, DC to the electrode on the top sur- of ejecting the cassette tape in case it is not possible face of the Loading Motor Assembly and then set it to to eject it, due to an electrical failure.

  • Page 16: Emergency Display

    1.8 EMERGENCY DISPLAY Whenever some abnormal signal is input to the syscon Example (in case of the error number E01): CPU, an error number (E01, as an example) is displayed on the LCD monitor or (in the electronic view finder). In every error status, such the message as shown below alternately appear over and over.

  • Page 17: Service Note

    1.9 SERVICE NOTE 1-13...

  • Page 18: Mechanism Adjustment

    SECTION 2 MECHANISM ADJUSTMENT 2.1 PRELIMINARY REMARKS ON ADJUSTMENT AND (3) The symbol (T or B)appearing in this column shows the REPAIR side which the objective part is mounted on. T =the upper side, B =the lower side 2.1.1 Precautions (4) Symbols appearing in this column indicate drawing 1.

  • Page 19: Jigs And Tools Required For Disassembly, Assembly And Adjustment

    2.2 JIGS AND TOOLS REQUIRED FOR DISASSEMBLY, ASSEMBLY AND ADJUSTMENT 2.2.1 Tools required for adjustments 1. Torque driver Torque driver YTU94088 YTU94088-003 Be sure to use to fastening the mechanism and exterior parts because those parts must strictly be controlled for tightening torque.

  • Page 20: Disassembly/Assembly Of Mechanism Assembly

    2.3 DISASSEMBLY/ASSEMBLY OF MECHANISM AS- 2.3.2 Explanation of mechanism mode SEMBLY The mechanism mode of this model is classified into five 2.3.1 General statement modes as shown in Table 2-3-1. Each mechanism mode can be distinguished from others by the relative position The mechanism should generally be disassembled/assem- of “...

  • Page 21: Mechanism Timing Chart

    2.3.3 Mechanism timing chart MODE SHORT TU. P. B SLIDE TU. P. B SLIDE RELEASE EJECT CAS. IN START START STOP PLAY PARTS MAIN CAM -12.40° 0° (22.44°) 58.71° (69.53°) (80.5°) (150.58°) (153.5°) 177.79° 212.77° 243.94° SUB CAM -16.97° 0° (30.71°) 80.34°...

  • Page 22: Disassembling Procedure Table

    2.4 DISASSEMBLING PROCEDURE TABLE MARK: After assembly, perform adjustments. PART NAME FIG. POINT NOTE REMARKS CASSETTE HOUSING ASSY Fig.2-4-3 ),(L a)-(L NOTE a,b,c,d ADJUSTMENT UPPER BASE ASSY Fig.2-4-4 ),(L a),(L NOTE DRUM ASSY a),2(S NOTE REEL DISK ASSY(SUP) Fig.2-4-5 NOTE REEL DISK ASSY(TU) NOTE REEL COVER ASSY...
  • Page 23 < TOP VIEW > 24 27 36 35 Fig. 2-4-1 < BOTTOM VIEW > 31 16 Fig. 2-4-2...

  • Page 24: Disassembly/Assembly

    2.4.1 Disassembly/assembly CASSETTE HOUSING ASSY NOTE NOTE Be careful not to damage any of the parts during work. NOTE NOTE NOTE Special care is required in mounting. NOTE NOTE LOCK When mounting, the CASSETTE NOTE LEVER HOUSING ASSY should be at- NOTE tached in the Eject status.
  • Page 25 REEL DISK ASSY(SUP) REEL DISK ASSY(TU) REEL COVER ASSY NOTE NOTE Be careful not to attach the REEL DISK wrongly. The Sup- NOTE ply side can be identified by the white color at the center. NOTE NOTE REEL DISK ASSY Be careful not to attach the REEL DISK wrongly.
  • Page 26 SLIDE DECK ASSY NOTE Each of the parts on the SLIDE DECK ASSY can be re- placed separately. When detaching the assembly, if there is no need to replace any of its parts, remove the SLIDE DECK ASSY as it is. NOTE When mounting, pay attention to the positions of the ¤...
  • Page 27 TENSION CTL LEVER ASSY CENTER GEAR & PINCH ROLLER ARM F. ASSY TENSION CTL PLATE ASSY BRAKE CTL LEVER ASSY NOTE NOTES When mounting, pay attention to the correct positioning. NOTE NOTE NOTE (TOP) NOTE (BOTTOM) NOTE NOTES When mounting, pay atten- &...
  • Page 28 fl BASE R ASSY ‡ ROTARY ENCODER ° GEAR COVER ASSY · MAIN CAM ASSY NOTE fl NOTE NOTE When mounting, fold the sliding part to the inner side. ‡ NOTE NOTE When mounting, pay attention to the correct positioning and the FPC layout.
  • Page 29 ∞ DRUM BASE ASSY § CAPSTAN MOTOR ¶ MAIN DECK ASSY ∞ § NOTES When detaching, remove them together and then separate § from ∞ a. ∞ NOTE When mounting, attach the DRUM BASE ASSY so that the screw hole is located at the center of the ellipse. NOTE NOTE NOTE...

  • Page 30: List Of Procedures For Disassembly

    2.4.2 List of procedures for disassembly Fig. 2-4-13 2-13...

  • Page 31: Checkup And Adjustment Of Mechanism Phase

    2.5 CHECKUP AND ADJUSTMENT OF MECHANISM PHASE MODE GEAR ROTARY ENCODER Align the MODE GEAR with the Main Deck Mount the ROTARY ENCODER by aligning its mark ( Assembly hole. and the mark ( ) of the Main Deck Assembly. Note: Note: Be careful when handling the FPC during mounting.

  • Page 32: Mechanism Adjustments

    2.6 MECHANISM ADJUSTMENTS 2.6.1 Adjustment of the slide guide plate Use Fig. 2-6-1 as the reference unless otherwise specified. 1. Set the PLAY mode. See Fig. 2-3-8. 2. Loosen the screws ( A , B ). 3. With the Main Deck and Slide Deck Assemblies pushed into the unit, tighten the screws ( A , B ) while applying pressure to the stud (shaft) on the Slide Guide plate.

  • Page 33: Adjustment Of The Tension Arm And Pad Arm Assemblies

    2.6.2 Adjustment of the Tension Arm and Pad Arm As- 2.6.3 Adjustment of the Slide Lever 2 semblies Use Fig. 2-6-3 as the reference unless otherwise specified. Use Fig. 2-6-2 as the reference unless otherwise specified. 1. Set the C IN mode. 1.

  • Page 34: Service Note

    2.7 SERVICE NOTE Use the following chart to manage mechanism parts that are removed for disassembling the mechanism. Fig. Fig. CASSETTE HOUSING ASSY UPPER BASE ASSY Fig. Fig. REEL DISK ASSY(SUP) REEL COVER ASSY DRUM ASSY REEL DISK ASSY(TU) Fig. TENSION ARM ASSY SLANT POLE ARM ASSY TU ARM ASSY...
  • Page 35 Fig. PINCH ROLLER TENSION BRAKE CTL TENSION CTL CENTER GEAR ARM F. ASSY CTL PLATE LEVER LEVER ASSY ASSY ASSY Fig. MOTOR GUIDE SLIDE LEVER 2 LOADING BRACKET RAIL ASSY ASSY PLATE ASSY ASSY MODE GEAR EJECT LEVER Fig. BASE R ASSY ROTARY GEAR COVER MAIN CAM ASSY...

  • Page 36: Jig Connector Cable Connection

    2.8 JIG CONNECTOR CABLE CONNECTION Remove one screw (1) first and the cover (JIG) next. COMMUNICATION CABLE JIG CONNECTOR to 8 pin ( JLIP_RX ) to 9 pin JACK BOX WHITE ( JLIP_TX ) to 5 or 23 pin BLACK ( GND ) COVER CN107...

  • Page 37: Tape Pattern Check

    2.8.1 Tape pattern check (1) Play back the compatibility adjustment tape. (2) While triggering the MAIN CN107-10PIN (HID1), ob- CN107 serve the waveform of CN107-26PIN (ENV_OUT). (ENV_OUT) (3) Confirm that the waveform is free from remarkable level-down, and entirely parallel and straight. Moreover, perform the following adjustment as re- CN107 quired.

  • Page 38: Electrical Adjustment

    SECTION 3 ELECTRICAL ADJUSTMENT 3.1 PRECAUTION 1. Precaution Both the camera and deck sections of this model needs a personal computer for adjustment except simple adjustment with potentiometers. If some of the following parts is replaced for repair or other reason, the repaired set must be adjusted with a personal computer.

  • Page 39: Setup

    Torque driver PC cable Be sure to use to fastening the mechanism and exte- To be used to connect the VideoMovie and a personal rior parts because those parts must strictly be control- computer with each other when a personal computer led for tightening torque.

  • Page 40: Monitor Adjustment

    3.3 MONITOR ADJUSTMENT 3.4 ELECTRONIC VIEWFINDER (E.VF) ADJUSTMENT Notes : Unless otherwise specified, all measurement points Notes : Unless otherwise specified, all measurement points and adjustment parts are located on MONITOR and adjustment parts are located on MONITOR board. board. 3.3.1 PLL (MONI) 3.4.1 PLL (VF) •...

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