1. Manuals
  2. Brands
  3. JVC Manuals
  4. Camcorder
  5. GR-DVP7U
  6. Service manual

JVC GR-DVP7U Service Manual

Hide thumbs Also See for GR-DVP7U:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Service Manual, Instruction Manual
JVC SERVICE & ENGINEERING COMPANY OF AMERICA
DIVISION OF JVC AMERICAS CORP.
Head office
:
1700 Valley Road Wayne, New Jersey 07470-9976
East Coast
:
10 New Maple Avenue Pine Brook, New Jersey 07058-9641
Midwest
:
705 Enterprise Street Aurora, Illinois 60504-8149
:
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-DVP7U
SPECIFICATIONS
Camcorder
For 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. 4.2 W
LCD monitor on, viewfinder off : Approx. 5.0 W
Dimensions (W x H x D)
: 43 mm x 115 mm x 80 mm (1-3/4" x 4-9/16" x 3-3/16")
(with the LCD monitor closed and the viewfinder pushed back in)
Weight
: Approx. 350 g (0.78 lbs) (without grip belt, battery and cassette)
Approx. 420 g (0.93 lbs) (incl. grip belt, battery and cassette)
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
: 1/3.8" CCD
Lens
: F 1.8, f = 3.8 mm to 38 mm, 10:1 power zoom lens
(It is not possible to attach any lens filter or conversion lens.)
LCD monitor
: 2" diagonally measured, LCD panel/TFT active matrix system
Viewfinder
: Electronic viewfinder with 0.44" color LCD
Speaker
: Monaural
For 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.
For Digital Still Camera
Storage media
: SD Memory Card/MultiMediaCard
Compression system
: Still image
: JPEG (compatible)
Moving image : MPEG4 (compatible)
File size
Still Image
: 3 modes (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
: « pg. 49
This service manual is printed on 100% recycled paper.
COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
For Connectors
S/AV
: Y: 0.8 V to 1.2 V (p-p), 75 Ω, analog
S-Video input
C: 0.2 V to 0.4 V (p-p), 75 Ω, analog
: Y: 1.0 V (p-p), 75 Ω, analog
S-Video output
C: 0.29 V (p-p), 75 Ω, analog
: Y: 0.8 V to 1.2 V (p-p), 75 Ω, analog
Video input
: Y: 1.0 V (p-p), 75 Ω, analog
Video output
Audio input
: 300 mV (rms), 1 kΩ, analog, stereo
Audio output
: 300 mV (rms), 50 kΩ, analog, stereo
Edit
: ø3.5 mm, 2-pole
Headphone output
: Stereo
DV
Input/output
: 4-pin, IEEE 1394 compliant
USB
: 5-pin
AC Power Adapter/Charger
For General
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
: 23W
Output
Charge
: DC 7.2 V
}
, 1.2 A
VTR
: DC 6.3 V
}
, 1.8 A
Weight
: Approx. 255 g (0.57 lbs)
Specifications shown are for SP mode unless otherwise indicated. E & O.E.
Design and specifications subject to change without notice.
No. 86684
March 2002

Advertisement

Table of Contents
loading

Related Manuals for JVC GR-DVP7U

Summary of Contents for JVC GR-DVP7U

  • Page 1: Digital Video Camera

    : Y: 0.8 V to 1.2 V (p-p), 75 Ω, analog S-Video input For General JVC SERVICE & ENGINEERING COMPANY OF AMERICA C: 0.2 V to 0.4 V (p-p), 75 Ω, analog Power supply : DC 6.3 V (Using AC Power Adapter/Charger) : Y: 1.0 V (p-p), 75 Ω, analog...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Section Title Page Section Title Page Important Safety Precautions 3. ELECTRICAL ADJUSTMENT 3.1 PRECAUTION ............... 3-1 INSTRUCTIONS 3.2 SETUP .................. 3-2 1. DISASSEMBLY 1.1 BEFORE ASSEMBLY AND DISASSEMBLY ......1-1 4. CHARTS AND DIAGRAMS 1.1.1 Precautions ..............1-1 1.1.2 Assembly and disassembly ..........

  • 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: If a card is installed, remove it in advance. STEP Fig.No. PART POINT NOTE NOTE b: Be careful not to damage the battery removal switch. COVER (UNDER) Fig.1-3-1 (S1) — When disassembling, ensure that the lock lever is in the low position and set the battery removal switch only to COVER (SHOE) Fig.1-3-2 2(S2), 2(L2)
  • Page 8 Fig. 1-3-2 Fig. 1-3-1 NOTE NOTE BATT. RELEASE SWITCH COVER (SD) LOCK LEVER Fig. 1-3-3a...
  • Page 9 NOTE COVER (M/USB) NOTE ∗ ∗ ∗ : 0.118 N m (1.2 kgf • • Fig. 1-3-3b ∗ GUIDE ∗ (MONI) ∗ NOTE ∗ NOTE ∗ : 0.098 N m (1.0 kgf • • Fig. 1-3-4 Fig. 1-3-5...
  • Page 10 NOTE CASS. COVER CASS. COVER NOTE SHEET (SHUTTER) Fig. 1-3-6 Fig. 1-3-7 BRACKET(MECHA) ASSY SHEET (SHUTTER) SHIELD ASSY BRACKET (PRE/REC) Fig. 1-3-8...
  • Page 11 NOTE NOTE NOTE NOTE NOTE OP MDA Fig. 1-3-9a NOTE NOTE KNOB (VIDEO /DSC) NOTE Fig. 1-3-9b...

  • Page 12: Disassembly Of 5 Monitor Assembly

    1.4 DISASSEMBLY OF 5 MONITOR ASSEMBLY 1.4.2 Hinge assembly 1. Remove the two screws (4,5) to take out the FPC assem- 1.4.1 5 Monitor assembly/Hinge assembly bly while removing the hinge cover (L). 1. Remove the three screws (1 to 3) and then remove the Note c: Be careful not to lose any part during the above- monitor cover by disengaging the two hooks (L5a, L5b)

  • Page 13: Disassembly Of @ Op Block Assembly/Ccd Board Assembly

    1.5 DISASSEMBLY OF @ OP BLOCK ASSEMBLY/CCD 1.5.3 How to install @ OP block assembly and CCD BOARD ASSEMBLY board assembly 1. Install the optical LPF with the @ OP block assembly. 1.5.1 Precautions 2. With the spacer rubber left attached to the CCD base 1.

  • Page 14: E. Vf Assembly

    1.6 DISASSEMBLY OF E. VF ASSEMBLY 1.6.1 E. VF assembly Note a: When disassembling the E. VF assembly, remove <Frame (VF)> the frame (VF) from the case assembly depend- 6. Remove the screw (6) first and then LCD module/holder ing on the situation. (LCD).

  • Page 15: Emergency Display

    1.7 EMERGENCY DISPLAY Whenever some abnormal signal is input to the syscon CPU, Example (in case of the error number E01): 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 16: Service Know-How

    1.8 SERVICE KNOW-HOW 1. See Fig. 1-8-1. When performing disassembly/assembly work to this model, the parts that are most complicated and require special at- (1) While moving the ! microphone out of way, remove the tention are the E. VF unit and the OP MDA board, OP block screw (39) and take out the @ OP block assembly.
  • Page 17 2. See Fig. 1-8-2. (1) Remove the two screws (44, 45) in order to free the $ OP MDA board assembly. (2) Remove the two screws (46, 47) and take out the $ OP MDA board assembly together with the @ OP block as- sembly and the % shoe assembly.

  • Page 18: Service Note

    1.9 SERVICE NOTE 1-14...

  • Page 19: Mechanism Adjustment

    SECTION 2 MECHANISM ADJUSTMENT 2.1 PRELIMINARY REMARKS ON ADJUSTMENT AND (5) This column indicates parts and points such as screws, REPAIR washers,springs,and others to be removed/fitted for dis- assembling/reassembling the mechanism. Besides such 2.1.1 Precautions the parts, this column occasionally indicates working 1.

  • Page 20: 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 21: 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 22: 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 23: 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 24 < TOP VIEW > 24 27 36 35 Fig. 2-4-1 < BOTTOM VIEW > 31 16 Fig. 2-4-2...

  • Page 25: 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 26 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 27 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 28 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 29 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 30 ∞ DRUM BASE ASSY § CAPSTAN MOTOR ¶ MAIN DECK ASSY ∞ § NOTES When detaching, remove them together and then separate § from ∞ . ∞ 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 31: List Of Procedures For Disassembly

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

  • Page 32: 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 33: 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 34: 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 35: 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 36 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 37: Compatibility Adjustment

    2.8 COMPATIBILITY ADJUSTMENT 2.8.2 Tape pattern check 2.8.1 Jig connector cable connection (1) Play back the compatibility adjustment tape. (2) While triggering the MAIN CN114-11PIN (HID1), ob- Remove one screw (1) first and the cover (JIG) next. serve the waveform of CN114-29PIN (ENV_OUT). (3) Confirm that the waveform is free from remarkable level-down, and entirely parallel and straight.

  • Page 38: Electrical Adjustment

    SECTION 3 ELECTRICAL ADJUSTMENT 3.1 PRECAUTION 1. Precaution 3. Tools required for adjustments Both the camera and deck sections of this model needs a Torque driver personal computer for adjustment except simple adjustment YTU94088 YTU94088-003 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 Service support system Be sure to use to fastening the mechanism and exte- To be used for adjustment with a personal computer. rior parts because those parts must strictly be control- 10. INF adjustment lens led for tightening torque. To be used for adjustment of the camera system.

Table of Contents