JVC GR-DVL725U Service Manual
Hide thumbs Also See for GR-DVL725U:
Table of Contents

Advertisement

Quick Links

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
:
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-DVL725U,DVL820U,DVL920U
SPECIFICATIONS
(The specifications shown pertain specifically to the model GR-DVL920)
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. 4.5 W
LCD monitor on, viewfinder off : Approx. 5.7 W
Video light
: Approx. 2.8 W
Dimensions (W x H x D)
: 79 mm x 89 mm x 184 mm (3-1/8" x 3-9/16" x 7-1/4")
(with the LCD monitor closed and the viewfinder
pushed down)
Weight
: Approx. 580 g (1.3 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
: 1/3.8" CCD
Lens
: F 1.8, f = 3.8 mm to 38 mm, 10:1 power zoom lens
Filter diameter
: ø37 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.
This service manual is printed on 100% recycled paper.
COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
Digital Still Camera Function
Storage media
: SD Memory Card/MultiMediaCard
Compression system
: Still image
: JPEG (compatible)
Moving image
: MPEG4 (compatible)
File size
: 3 modes (1280 x 960 pixels, 1024 x 768 pixels,
640 x 480 pixels)
Picture quality
: 2 modes (FINE/STANDARD)
Approximate number
of storable images
:
pg. 27.
Connectors
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
AV
: 1 V (p-p), 75 Ω, analog
Video output
: 0.8 V (p-p) – 1.2 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
Output
: 4-pin, IEEE 1394 compliant
Input
: 4-pin, IEEE 1394 compliant
USB
: 5-pin
EDIT
: ø3.5 mm, 2-pole
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.
No. 86669
February 2002

Advertisement

Table of Contents
loading

Summary of Contents for JVC GR-DVL725U

  • Page 1 DIGITAL VIDEO CAMERA GR-DVL725U,DVL820U,DVL920U SPECIFICATIONS (The specifications shown pertain specifically to the model GR-DVL920) Digital Still Camera Function Camcorder JVC SERVICE & ENGINEERING COMPANY OF AMERICA Storage media : SD Memory Card/MultiMediaCard Compression system : Still image : JPEG (compatible)
  • Page 2: Table Of Contents

    2.8.1 Jig connector cable connection ........2-20 B/W VF BOARD ASSEMBLY <08>(A,B) ......... 5-23 2.8.2 Tape pattern check ............2-21 DSC BOARD ASSEMBLY <10> ..........5-23 The following table lists the differing points between Models GR-DVL725U, GR-DVL820U and GR-DVL920U in this serise. GR-DVL725U GR-DVL820U GR-DVL920U LCD MONITOR(SIZE) 2.5”...
  • 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: Remove the parts marked in STEP CONN. Fig.No. PART POINT NOTE CONNECTOR Pin No. ⇔ UPPER CASE Fig. 1-3-1 6(S1a), 4(S1b), 3(S1c), MAIN CN101 MONITOR CN761 ASSY ⇔ CN2a DSC CN8002 MONITOR CN762 (Inc. MONITOR – ASSY / E.VF CN2b DSC CN8001...
  • Page 8 Fig. 1-3-2 Fig. 1-3-4 NOTE KNOB (VIDEO-DSC) KNOB (DC LIGHT) ∗ SPEAKER ∗ BRACKET (MONITOR) ∗ : 0.147N·m (1.5kgf·cm) Fig. 1-3-5 Fig. 1-3-3...
  • Page 9 NOTE COVER (JACK) DC LIGHT DC LIGHT Fig. 1-3-6 NOTE NOTE NOTE COVER TO MAIN (DC) TO CCD Fig. 1-3-7 Fig. 1-3-8...
  • Page 10 SHIELD PLATE Fig. 1-3-9 Fig. 1-3-11 BRACKET (MECHA) NOTE EJECT SW NOTE Fig. 1-3-10 Fig. 1-3-12...
  • Page 11: Monitor Assembly

    MONITOR ASSEMBLY 3. Unplug the wires and FPCs from the two connectors ( c , d ), and then remove the LCD BL board assembly, holder Note: The shape of the monitor assembly varies by the size (PWB) and backlight in that order. of the LCD screen.
  • Page 12: Disassembly/Assembly Of Monitor Assembly (For 3.5"-Type Lcd)

    Note: The shape of the monitor assembly varies by the size 3. Unplug the wires and FPCs from the two connectors ( c , of the LCD screen. d ), and then remove the LCD BL board assembly, holder (PWB) and backlight in that order. For the 3.5”-type LCD, refer to Fig.
  • Page 13: Vf Assembly

    E. VF ASSEMBLY Note: The shape of the E. VF assembly varies by the type 5. Remove the screw (8) and the remove the CAP (VF). of the viewfinder (B/W, COLOR VF). 6. Remove the FPC from the CASE A (VF) so that the CASE For the B/W VF, refer to Fig.
  • Page 14: Disassembly/Assembly Of E. Vf Assembly (For Color Vf)

    1.5.2 Disassembly/assembly of E. VF assembly (for COLOR VF) Note: Place the E. VF assembly with the VF case (upper) Note d: When reassembling the top case sub-assembly, assembly down through the disassembly/assembly be careful not to catch the FPC between any of work.
  • Page 15: Disassembly/Assembly Of 0 Op Block Assembly/Ccd Board Assembly

    1.6 DISASSEMBLY/ASSEMBLY OF 0 OP BLOCK 1.6.3 How to assemble CCD base assembly and CCD ASSEMBLY/CCD BOARD ASSEMBLY board assembly 1. Install the optical LPF with the spacer rubber attached 1.6.1 Precautions to its CCD side in the OP block assembly. 1.
  • Page 16: 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 17: Service Note

    1.8 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 <SUB CAM GEAR> ASSEMBLY 2.3.1 General statement The mechanism should generally be disassembled/assem- bled in the EJECT mode (ASSEMBLY mode). (Refer to Fig. 2-3-1.) TOP VIEW BOTTOM VIEW However, when the mechanism is removed from the main body, it is set in the STOP mode.
  • Page 21: Mechanism Timing Chart

    2.3.3 Mechanism timing chart MODE EJECT C IN SHORT FF STOP PLAY PARTS MAIN CAM (ø10.4) 31.7 45.6 49.5 74.04 129.5 156.6 169.2 211.5 280.3 SUB CAM (ø11) 43.1 46.8 122.5 148.1 ENCODER (ø10) 47.4 51.5 134.7 162.9 291.5 ROTARY ENCODER CAM SW SLIDE END...
  • Page 22: Disassembly/Assembly Of Mechanism Assembly

    2.4 DISASSEMBLY/ASSEMBLY OF MECHANISM ASSEMBLY 2.4.1 Follow chart 1. Configuration Mechanism assembly Cassette housing assembly Slide deck assembly Main deck assembly Fig. 2-4-1 2. Procedures for disassembly Mechanism assembly Cassette housing assembly Slide deck assembly Main deck assembly Fig. 2-4-2...
  • Page 23 3. Disassembling procedure table PART NAME FIG. POINT NOTE REMARKS A Cassette housing assembly Fig. 2-4-5 3(S1),(L1a)-(L1d) 1a, 1b, 1c, 1d Adjustment Reel disk (SUP) assembly Fig. 2-4-6 (W2) 2a, 2b Reel disk (TU) assembly Fig. 2-4-6 (W2) 2a, 2b Reel cover assembly Fig.
  • Page 24 < TOP VIEW > 4b 11b 11a Main deck assembly Slide deck assembly 7b 7a 7d 7e 9c 3c 3b 7h 2b Fig. 2-4-3 < BOTTOM VIEW > Main deck assembly Slide deck assembly Fig. 2-4-4...
  • Page 25: Disassembly/Assembly

    2.4.2 Disassembly/assembly Note 1a: <STOP mode> Shift the mechanism mode 1. A Cassette housing assembly from the STOP mode to the EJECT mode. Cassette Note 1b: housing Reassemble the cassette (L1b) assembly housing assembly to the (S1) mechanism as the cancel lever is moved in the direc- tion of the arrow.
  • Page 26 3. 3a Tension arm assembly/ 3b Release guide assembly 3c Idler arm assembly/ 3d Guide arm assembly 3e Pinch roller arm assembly Note 3a: When removing the reel cover assembly, pay heed to re- lease guide assembly and guide arm assembly. For the (W3a) guide arm assembly is just inserted into the slide deck as- sembly from the upside and it is apt to come off after the...
  • Page 27 5. 5a Guide roller (S) assembly/ 5b Rail assembly Note 5a: When reassembling, insert the tip Guide roller of the guide roller with the coil (s) assembly spring put on it into the hole on the main deck. Tighten the guide roller by about 6 turns so that the Note 5a (P5)
  • Page 28 Note 7a: 7. 7a Loading brake assembly/ 7b Guide pin (S) Don’t remove these parts unreasonably. If they are removed 7c Pad arm assembly/ 7d Slide guide plate assembly for some reason, be very careful not to lose them. 7e Collar/ 7f Collar/ 7g Sub brake assembly 7h Control plate assembly Note 7b: When reinstalling the sub brake assembly, set the control...
  • Page 29 9. 9a Loading guide/ 9b Timing belt 9c Center gear assembly/ 9d Motor bracket assembly 9e Worm wheel/ 9f Gear holder Note 9a: Note 9b Note 9a Carefully handle the DEW sensor. (Don’t touch the sensor surface in particular.) Note 9b: When engaging the timing belt, make sure that it securely (S9) engages with the gears of both the center gear assembly and...
  • Page 30 11. 11a Catcher (T) assembly/ 11b Capstan motor 11c Charge arm assembly/ 11d Sub cam gear 11e PWB holder Note 11: The following figure shows how to put the charge arm as- sembly and sub cam gear assembly together. (S11) (S11) Note 11 (W11)
  • Page 31: List Of Procedures For Disassembly

    2.4.3 List of procedures for disassembly Cassette housing assembly (P5) (L1b) (S9) (W5a) (S9) (W5b) (W5a) (W3b) (S1) (W5a) (W10b) (L1d) (L1a) (S4) (S4) (S4) (S1) (L1c) (S1) (S11) (W10a) (S10) (S11) (S10) (W10a) (S11) (S9) (S11) (W9) (W4) (P4b) (P4a) (S9) (W7)
  • Page 32: Checkup And Adjustment Of Mechanism Phase

    2.5 CHECKUP AND ADJUSTMENT OF MECHANISM PHASE <Connect gear> (Note 2) Set the connect gear so <Rotary encoder> that its locating hole meets Set the “I” of the rotary the hole on the main deck part at the tapped hole assembly.
  • Page 33: Mechanism Adjustments

    2.6 MECHANISM ADJUSTMENTS 2.6.1 Assembling slide deck assembly and main deck assembly œ Œ 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.
  • Page 34: Locating Tension Pole

    2.6.2 Locating tension pole <PLAY mode> Fig. 2-6-2 Locating procedure 1. Enter the mechanism assembly into the PLAY mode. (Refer to “2.3.2 Explanation of mechanism mode”.) 2. When the “ ” part is positioned down, make sure that the part “a” of the tension arm assembly is located within the range of “b”.
  • Page 35: Service Note

    2.7 SERVICE NOTE Use the following chart to manage mechanism parts that are removed for disassembling the mechanism. Cassette housing assembly S1×3 Reel disk (SUP) assembly Reel cover assembly W2×1 Reel disk (TU) assembly W2×1 S2b×1 S2a×2 W2×1 Guide arm Tension arm Pinch roller arm Release guide...
  • Page 36 Slide deck assembly Loading Slide guide Guide pin Pad arm brake plate assembly assembly assembly W7×1 P7a×1 S7a×1 W7×1 P7b×1 S7b×1 Control Collar Collar Sub brake plate assembly assembly W7×1 P7c×1 W7×2 P7d×1 W6×1 Main deck assembly Slide lever Tension lever Brake control assembly assembly...
  • Page 37: Compatibility Adjustment

    2.8 COMPATIBILITY ADJUSTMENT 2.8.1 Jig connector cable connection Remove one screw (1) first and the cover (JIG) next. Jig connector cable (YTU93082C) Jig board CN105 Cover(JIG) Fig. 2-8-1 Jig connector cable connection MAIN CN105 JIG BOARD VPPC REG_3V SRV_TX SRV_TX CJIG_RST CJIG_RST IF_TX...
  • Page 38: Tape Pattern Check

    2.8.2 Tape pattern check (1) Play back the compatibility adjustment tape. (2) While triggering the MAIN CN105-21PIN (HID1), ob- CN105 serve the waveform of CN105-20PIN (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- CN105 quired.
  • Page 39: Electrical Adjustment

    SECTION 3 ELECTRICAL ADJUSTMENT 3.1 PRECAUTION 3. Tools required for adjustments 1. Precaution Torque Driver Both the camera and deck sections of this model needs a YTU94088 YTU94088-003 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 40: Setup

    Torque driver Alignment tape Be sure to use to fastening the mechanism and exte- To be used for check and adjustment of interchange- rior parts because those parts must strictly be control- ability of the mechanism. led for tightening torque. 10.
  • Page 41: Packing And Accessory Assembly

    LYT0930-002A INST.BOOK(FR),A,B LYT1017-002A INST.BOOK(FR),C LYT0930-003A INST.BOOK(SP),A,B LYT1017-003A INST.BOOK(SP),C LYT0931-001A INST.BOOK(SOFT.EN),C LYT0931-003A INST.BOOK(SOFT.FR),C LYT0931-005A INST.BOOK(SOFT.SP),C MODEL MARK LYT0912-005A INST.BOOK(SOFT.SP),A,B GR-DVL725U LYT0912-001A INST.BOOK(SOFT.EN),A,B GR-DVL820U LYT0912-003A INST.BOOK(SOFT.FR),A,B GR-DVL920U LYT0934-001A SHEET(AGREMENT),A,B YU10350 Q.CARD(JCA) BT-51005-5 WARRANTY INF. QPA01703005 POLY BAG QAM0211-001 CABLE ASSY,AUDIO/VIDEO CABLE QQR0918-002 CORE FILTER •...
  • Page 42 FINAL ASSEMBLY <M2> 140T ELECTRONIC 140F 140J VIEWFINDER 140U <M4> MECHANISM <M3> 140T 140R 140N 140H <10> 140T 140G 140N 140S 140T 140S 140N 140R 140K 140E 140R MAIN 140S <01> 140S 140C 140M 140P JACK 140D <06> 140A 140L 130B 130A JUNCTION 140L...
  • Page 43: Final Assembly

    REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 44 MECHANISM ASSEMBLY <M3> NOTE:The section marked in AA and BB indicate Classification Part No. Symbol in drawing lubrication and greasing areas. Grease KYODO-SH-JB YTU94027...
  • Page 45: Mechanism Assembly

    REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 46: Electronic Viewfinder Assembly [Gr-Dvl725U, Dvl820U]

    ELECTRONIC VIEWFINDER ASSEMBLY <M4> [GR-DVL725U, DVL820U] 324B 324A 334 306 B/W VF <08> REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - -...
  • Page 47: Electronic Viewfinder Assembly [Gr-Dvl920U]

    ELECTRONIC VIEWFINDER ASSEMBLY <M4> [GR-DVL920U] 309 309 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 48: Monitor Assembly [Gr-Dvl725U]

    MONITOR ASSEMBLY <M5> [GR-DVL725U] 501H 501A 501C 501G 501J 501E 501D 501B 508E 508C 501F 501D LCD BL 508E <03> 508A 508F 508B 508D 508G 502A REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION...
  • Page 49: Monitor Assembly [Gr-Dvl820U, Dvl920U]

    MONITOR ASSEMBLY <M5> [GR-DVL820U, DVL920U] 501H 501A 501G 501C 501J 501E 501D 501B 501D 508E 508C 501F LCD BL 508E <03> 508A 508F 508B 508D 508G 502A REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 50: Electrical Parts List

    MODEL MARK GR-DVL725U ELECTRICAL PARTS LIST GR-DVL820U GR-DVL920U REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 51 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 52 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 53 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 54 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 55 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 56 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 57 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 58: Monitor Board Assembly <02

    REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 59: Lcd Bl Board Assembly <03

    REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 60: Ccd Board Assembly <04

    REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 61: Rear Board Assembly <07

    REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 62 0.1µF,10V C8310 NCBA1AK-104W CAPACITOR,C 0.1µF,10V C8311 NCBA1AK-104W CAPACITOR,C 0.1µF,10V L8001 NQR0129-002X FERRITE BEAD L8002 NQR0129-002X FERRITE BEAD L8003 NQR0129-002X FERRITE BEAD L8004 NQR0129-002X FERRITE BEAD L8005 NQR0129-002X FERRITE BEAD L8006 NQR0129-002X FERRITE BEAD,C L8301 NQR0129-002X FERRITE BEAD,C (Sanwa)-M2D229/249/2L9 5-24 GR-DVL725U,DVL820U,DVL920U...
  • Page 63 SECTION 4 CIRCUIT BOARD NOTES CHARTS AND DIAGRAMS 1. Foil and Component sides 1) Foil side (B side) : NOTES OF SCHEMATIC DIAGRAM 4. Voltage measurement Parts on the foil side seen from foil face (pattern face) 1) Regulator (DC/DC CONV) circuits are indicated.
  • Page 64 BOARD INTERCONNECTIONS YTU94074-20 ∗ ∗ YTU94074-6 J501 J502 J503 YTU94077-20 YTU94077-6 JLIP ∗ CN501 CN107 CAPSTAN MOTOR DRUM MOTOR LOADING MOTOR HEAD ROTARY NOTE ) : The number of patch cords IN/OUT ENCODER MECHA SENSOR are indicated by interconnected. R.E.SW CAM_SW_A CAM_SW_B CAM_SW_C...
  • Page 65 MAIN IF SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from TO DSC CN8001 this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. CN105 TO SYSCON VPPC...
  • Page 66 SYSCON SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. 0 1 MAIN (SYSCON) TO D.CPU SRV_RST...
  • Page 67 D.CPU SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. MAIN (D.CPU) L1401 TO REG...
  • Page 68 NOTES : For the destination of each signal and further line connections that are cut off from MDA SCHEMATIC DIAGRAM this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. 0 1 MAIN (MDA) TO D.CPU LD_REV...
  • Page 69 AUDIO SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. 0 1 MAIN (AUDIO) R2029 MAIN IF...
  • Page 70 NOTES : For the destination of each signal and further line connections that are cut off from DVMAIN SCHEMATIC DIAGRAM this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. MAIN (DVMAIN) C3041 C3040...
  • Page 71 NOTES : For the destination of each signal and further line connections that are cut off from PRE/REC SCHEMATIC DIAGRAM this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. MAIN (PRE/REC) TO D.CPU...
  • Page 72 VIDEO I/O SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. MAIN (VIDEO I/O) L3701 10µ...
  • Page 73 4.10 CDS SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. 0 1 MAIN (CDS) TO TG ADCLK...
  • Page 74 4.11 CAMERA DSP SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. L4304 [54MHz_CXO] NQR0129-002X...
  • Page 75 NOTES : For the destination of each signal and further line connections that are cut off from 4.12 OP DRIVER SCHEMATIC DIAGRAM this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. IC4807 ∗...
  • Page 76 4.13 TG SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. TO SYSCON 0 1 MAIN (TG) TG_RST...
  • Page 77 NOTES : For the destination of each signal and further line connections that are cut off from 4.14 REG SCHEMATIC DIAGRAM this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. 0 1 MAIN (REG) MAIN IF CN105 SYSCON...
  • Page 78 4.15 MONITOR SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. TO B/W VF CN7001, CN763...
  • Page 79 4.16 LCD BL SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. 0 3 LCD BL R751 C752...
  • Page 80 4.17 CCD SCHEMATIC DIAGRAM 4.18 JUNCTON SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS".
  • Page 81 4.19 JACK SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. JACK R501 C501...
  • Page 82 4.20 REAR SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. REAR R551 0Ω...
  • Page 83 For the destination of each signal and further line connections that are cut off from 4.21 B/W VF SCHEMATIC DIAGRAM [GR-DVL725U, DVL820U] this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List.
  • Page 84 NOTES : For the destination of each signal and further line connections that are cut off from 4.22 DSC SCHEMATIC DIAGRAM this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. CN8001 1 0 DSC (DSC) 44.1KHZ...
  • Page 85 4.23 USB SCHEMATIC DIAGRAM [GR-DVL920U] NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. 1 0 DSC (USB) TO DSC L8301...
  • Page 86 4.24 MAIN CIRCUIT BOARD FOIL SIDE (B) TL4202 C4203 R1083 TL1038 R1058 R1011 R1012 C4201 TL1001 TL1036 TL1002 TL1003 C1013 R1080 R1036 C1038 R1044 R1045 R1027 C1017 R1047 L4301 L4305 L4302 L4303 C1015 R1029 R1046 C4202 R1023 Q1003 TL1004 TL1005 R1024 C4204 R1079...
  • Page 87 COMPONENT PARTS LOCATION GUIDE <MAIN/YB10391> (1/2) REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION C2024 C3043 C3806 C5006 C6703 L2001 CAPACITOR C2025 C3044 C3807 C5007 C6704 L2002 C1003 C2026 C3045 C3808 C5008 L2101 C1004 CONNECTOR C2027 C3046...
  • Page 88 COMPONENT PARTS LOCATION GUIDE <MAIN/YB10391> (2/2) REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION R4317 R6103 TL1005 Q3733 R1076 R2108 R3073 Q3734 R1077 R2109 R3074 R4320 R6106 TL1007 R4321 R6107 TL1009 Q3735 R1078 R2110 R3075 Q4801 R1079...
  • Page 89 COMPONENT SIDE (A) C5002 C5001 C5009 R5017 C5011 IC1002 L5003 C6226 L5001 C5007 TL5004 CN111 D6207 L5002 Q6213 C5014 TL5002 R6234 R6241 IC5001 R5003 C6230 Q6216 C6225 R6240 R5002 R6232 R6106 C5013 R6229 Q6212 C5012 TL5001 C6118 R6103 R6237 C6119 C6109 R6247 C5006...
  • Page 90 4.25 MONITOR CIRCUIT BOARD FOIL SIDE (B) COMPONENT SIDE (A) ZP1-39 ZP4-33 ZP1-5 R7638 R7640 R7643 ZP1-13 R7636 R7602 IC7604 IC7101 C7606 C7614 R7601 ZP3-9 C7615 R7645 C7605 R7637 ZP3-13 R7630 C7604 ZP3-17 R7603 R7629 ZP3-18 C7602 C7618 ZP4-18 C7603 ZP3-19 Q7607 C7620...
  • Page 91 4.26 LCD BL CIRCUIT BOARD FOIL SIDE (B) COMPONENT SIDE (A) 0 3 LCD BL PWB 0 3 LCD BL PWB YB10325-01-03 YB10325-01-03 CN754 IC751 C752 C752P C751P C751 L752 C7505 C7505P F751 F751 Q7502 R7503 C7506 R7505 R7504 C7507 R7508 C7503 Q7505...
  • Page 92 4.27 CCD AND JUNCTION CIRCUIT BOARDS -CCD- -JUNCTION- FOIL SIDE (B) COMPONENT SIDE (A) FOIL SIDE (B) 0 5 JUNCTION PWB 0 5 JUNCTION PWB YB10358-01-01 YB10358-01-01 0 4 CCD PWB YB20914-01-01 IC5201 COMPONENT SIDE (A) Q5202 0 4 CCD PWB C5201 TL5203 YB20914-01-01...
  • Page 93 4.28 JACK CIRCUIT BOARD 4.29 VF CIRCUIT BOARD [GR-DVL725U, DVL820U] FOIL SIDE (B) FOIL SIDE (B) 0 8 VF PWB 0 6 JACK PWB YB20910 YB10357-01-01 ZP1-2 R7001 ZP1-3 R7012 R7005 ZP1-4 D502 R7013 C513 C505 R509 L506 C514 D505...
  • Page 94 4.30 REAR CIRCUIT BOARD FOIL SIDE (B) COMPONENT SIDE (A) R552 TL554 L551 L552 R560 R562 R554 D551 R555 R557 0 7 REAR PWB R558 0 7 REAR PWB YB10362-01-01 R559 YB10362-01-01 R556 D552 C551 D553 J554 TL551 TL553 TL552 4-59 4-60...
  • Page 95 4.31 DSC CIRCUIT BOARD 1 0 DSC PWB 1 0 DSC PWB FOIL SIDE (B) YB20931 COMPONENT SIDE (A) YB20931 C8304 R8303 R8031 C8307 R8073 C8305 R8305 Q8002 IC8004 R8075 R8311 R8309 R8310 R8027 D8001 R8308 R8307 IC8007 R8306 R8020 R8059 RA8001 RA8003...
  • Page 96 4.32 VOLTAGE CHARTS <SYSCON> <MDA> <DVMAIN> <VIDEO I/O> <CDS> <OP DRIVER> MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO.
  • Page 97 <REG> <JACK> <CCD> <B/W VF> MODE MODE MODE MODE MODE MODE MODE PLAY PLAY PLAY PLAY PLAY PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. IC6001 IC501 IC5201 IC7001 IC6101 Q5201 Q6001 Q5202 Q4801 Q5203 Q6002 Q4802...
  • Page 98 <LCD BL> <MONITOR> MODE MODE MODE MODE MODE MODE MODE MODE PLAY PLAY PLAY PLAY PLAY PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. IC751 IC7101 Q7501 IC7601 Q7502 IC7604 Q7503 12.0 Q7504 Q7101 Q7102...
  • Page 99 4.33 POWER SYSTEM BLOCK DIAGRAM MAIN REAR CN552 CN104 BATT_ BATT_ BATT. TERM OP BLOCK CAMERA DSP CN107 CN5201 CCD_15V Q5201 REG_3V CCD_15V IC4303 IC4301 REG_15V ADP_DC IN REG_2.5V CN551 CN103 ADP_H REG-CCD IC5001 2.5V REG CN552 CN104 Q6208 F6101 L6102 IC5201 ADP_DC...
  • Page 100 4.34 VIDEO SYSTEM BLOCK DIAGRAM IC4301 (CAMERA DSP) MAIN DCI0 IC5201 IC4201(CDS/AGC/AD) Q5201 DCI3 CN5201 CN107 (CCD) ADIN0~ADIN9 ADIN9 Vout CDSIN KIZU DYI0 BLOCK ADIN0 CONV DYI3 Q5202 DCO0 TG_36M CLK36I DCO3 CPOB OBCP DYO0 VDIN VDTG HDIN DYO3 HDTG CLK9A CLK9AO CLK27AO...
  • Page 101 IC3001(DVMAIN) IC3501 MAIN HID3 HID3 D.CPU YSO0 VIDEO I/F COMPRESS OUTER ECC INNER ECC PB_H YSO3 RECH (VBID DET (DCT,VLC (ENC/DET) (SUB/AUX) (ENC/DEC) FSPLLCTL REC_H PWMAUDIO RAM) VLD WORK REC_CTL RECCTL BRSO0 RAM) HID1 REC_DATA HID1 RECDATA BRSO3 FORMATTER REC_CLK (Formatting RECCLK REC_CLK...
  • Page 102 Q6211, L6208 D6206 C6221 L1002 AL_3V REG_12V AL_3V SW REG OUT6 CN101 REG_12V IN6- D6208 V_BATT C6227 CN101 REG_15V REG_-15V Q6004, C6004 AL3V SW REG Q6215 Q6216 OUT10 IN10- REG-CCD -CCD LAMP ON VF_CTL VF_CTL 4-73 4-74 (Sanwa)-M2D229/249/2L9 GR-DVL725U, DVL820U, DVL920U...

This manual is also suitable for:

Gr-dvl820uGr-dvl920u

Table of Contents