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Manuale per l’uso JVC DVL320U

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  • JVC DVL320U - page 1

    S E RVICE MANU AL No. 86658 December 2001 SPECIFICATIONS (The specifications shown pertain specifically to the model GR-DVL320/DVL520/DVL720) DIGITAL VIDEO CAMERA Printed in Japan This service manual is printed on 100% recycled paper. COPYRIGHT © 2001 VICTOR COMPANY OF JAPAN, LTD. GR-DVL220U,DVL320U,DVL520U,DVL522U,DVL720U No. 86658 JVC SERVICE &a ...

  • JVC DVL320U - page 2

    Important Safety Precautions INSTRUCTIONS 1. DISASSEMBL Y 1.1 BEFORE ASSEMBL Y AND DISASSEMBL Y ......................... 1-1 1.1.1 Precautions ..................................................................... 1-1 1.1.2 Assembly and disassembly ............................................ 1-1 1.1.3 Destination of connectors .................... ...

  • JVC DVL320U - page 3

    Impor tant Safety Precautions Prior to shipment from the factory , JVC products are strictly inspected to conf or m with the recognized product saf ety and electrical codes of the countries in which they are to be sold. Howe ver , in order to maintain such compliance, it is equally important to implement the following precautions when a set is bein ...

  • JVC DVL320U - page 4

    • Safety Chec k 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, perf or m the follo wing tests and confir m the specified values in order to v er ify compliance with safety standards. 1. Insulation resistance ...

  • JVC DVL320U - page 5

    1-1 (1) (2) (3) (4) (5) SECTION 1 DISASSEMBL Y 1.1.4 Disconnection of Connectors (Wires) Connector Pull both ends of the connector in the arrow direction, re- move the lock and disconnect the flat wire. 1.1 BEFORE ASSEMBLY AND DISASSEMBLY 1.1.1 Precautions 1. Be sure to remove the power supply unit prior to mount- ing and soldering of parts. 2. Whe ...

  • JVC DVL320U - page 6

    1-2 $ 6 3 4 0 ! @ # % / ^ 5 1 / 2 7 / 8 / 9 UPPER CASE ASSY (Inc. MONIT OR ASSY / E.VF ASSY) DSC BOARD ASSY CO VER (HINGE) MONIT OR ASSY E.VF ASSY MONIT OR BOARD ASSY FRONT ASSY (Inc. DC LIGHT , MIC ) DC LIGHT / LIGHT CO VER MIC OP BLOCK ASSY REAR UNIT ASSY LO WER CASE ASSY JUNCTION BOARD ASSY MAIN BOARD ASSY JA CK BOARD ASSY MECHANISM ASSY 1.2 JIG ...

  • JVC DVL320U - page 7

    1-3 1.3.2 Disassembly method Table 1-3-2 CONN. No. Pin No. CONNECTOR Table 1-3-3 Note: Remove the parts marked in . CN 1 MAIN CN101 ⇔ MONITOR CN761 40 CN 2 a DSC CN8002 ⇔ MONITOR CN762 10 CN 2 b DSC CN8001 MAIN CN111 80 CN 4 MONITOR CN764 ⇔ LCD BL CN751 33/32 CN 5 MONITOR CN763 ⇔ E.VF ASSY CN721 20 CN 6 MONITOR CN765 ← → SPEAKER — 2 C ...

  • JVC DVL320U - page 8

    1-4 Fig. 1-3-2 Fig. 1-3-3 Fig. 1-3-4 Fig. 1-3-5 3 (S ) 15 3 (S ) 16 3 4 (S ) 17 4 (S ) 18 4 CN 4 : 0.147N·m (1.5kgf·cm) ∗ ∗ ∗ 5 (S ) 20 5 (S ) 19 5 CN 5 6 (S b) 26 6 CN 6 (S c) 30 6 (S c) 27 6 (S c) 28 6 (S c) 29 6 (S a) 21 6 (S a) 24 6 (S a) 23 6 (S a) 22 6 (S a) 25 6 NOTE KNOB (VIDEO-DSC) SPEAKER BRACKET (MONITOR) 6 KNOB (DC LIGHT) ...

  • JVC DVL320U - page 9

    1-5 Fig. 1-3-6 Fig. 1-3-7 Fig. 1-3-8 8 7 9 8 (S ) 32 7 (S ) 33 9 (S ) 31 7 (L c) 8 (L a) 7 NOTE COVER (JACK) 7 CN 7 CN 7 DC LIGHT MIC (L c) 8 (L b) 7 7 6 5 4 3 2 1 DC LIGHT NC MIC 10 (S b) 35 10 (S a) 34 10 CN b 10 NOTE 10 NOTE TO MAIN TO CCD 10 CN a 10 11 (S ) 36 11 (S ) 38 11 CN COVER (DC) b 11 NOTE 11 CN a 11 (S ) 37 11 ...

  • JVC DVL320U - page 10

    1-6 Fig. 1-3-12 Fig. 1-3-9 Fig. 1-3-11 12 CN 12 (S b) 42 12 (S b) 41 12 (S a) 39 12 (S a) 40 12 (S b) 43 12 14 SHIELD PLATE (S b) 48 14 (S b) 47 14 (L ) 14 (S a) 46 14 CN b 14 CN c 14 CN a 14 16 15 BRACKET (MECHA) (S ) 50 15 (S ) 49 15 (S a) 52 16 (S a) 51 16 (S b) 53 16 CN 15 Fig. 1-3-10 13 (S b) 45 13 (S a) 44 13 CN d 13 NOTE EJECT SW a 13 NOTE b ...

  • JVC DVL320U - page 11

    1-7 Fig. 1-4-1 1.4 4 MONITOR ASSEMBLY Note: The shape of the monitor assembly varies by the size of the LCD screen. For the 2.5 ” -type LCD, refer to Fig. 1-4-1. 1.4.1 Disassembly/assembly of monitor assembly (for 2.5”-type LCD) Note: Be careful not to soil or scratch the monitor screen through the disassembly/assembly work. 1. Remove the four ...

  • JVC DVL320U - page 12

    1-8 Fig. 1-4-2 Note: The shape of the monitor assembly varies by the size of the LCD screen. For the 3.5 ” -type LCD, refer to Fig. 1-4-2. 1.4.3 Disassembly/assembly of monitor assembly (for 3.5 ” -type LCD) Note: Be careful not to soil or scratch the monitor screen through the disassembly/assembly work. 1. Remove the four screws 1 to 4 in nume ...

  • JVC DVL320U - page 13

    1-9 Fig. 1-5-1 1.5 5 E. VF ASSEMBLY 1.5.1 Disassembly/assembly of E.VF assembly (for the B/W VF) 1. Remove the EYE CUP. 2. Remove the three screws (1 to 3) and then remove the CASE B (VF). 3. Remove the screw (4) to remove the LEVER (VF) and pull out the LENS ASSY. Note 5 a: Be careful not to lose the SPRING (VF). 4. Remove the three screws (5 to 7 ...

  • JVC DVL320U - page 14

    1-10 Fig. 1-6-1 1.6 DISASSEMBLY/ASSEMBLY OF 0 OP BLOCK ASSEMBLY/CCD BOARD ASSEMBLY 1.6.1 Precautions 1. Take care in handling the CCD image sensor, optical LPF and lens components when performing maintenance etc., especially with regard to surface contamination, at- tached dust or scratching. If fingerprints are present on the surface they should b ...

  • JVC DVL320U - page 15

    1-11 1. The CAPST AN FG signal is not received by the syscon CPU. 1) Disconnection in the middle of the signal line. 2) F ailure of the CAPST AN FG pulse generator (MR element). 2. No capstan control voltage is supplied to the MDA. 3. No power is supplied to the CAPST AN MDA. 4. The capstan cannot be started or capstan rotation is stopped because t ...

  • JVC DVL320U - page 16

    1-12 1.8 SERVICE NOTE Table 1-8-1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 13 4 25 Fig. 1-3-2 Fig. 1-3-3 Fig. 1-3-4 Fig. 1-3-1 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 6 #$ % 0! @ 7 / 8 / 9 Fig. 1-3-5 Fig. 1-3-6 Fig. 1-3-7 Fig. 1-3-8 Fig. 1-3-9 Fig. 1-3-10 Fig. 1-3-11 Fig. 1-3-12 Symbol No. Removing order of sc ...

  • JVC DVL320U - page 17

    2-1 SECTION 2 MECHANISM ADJUSTMENT 2.1 PRELIMINARY REMARKS ON ADJUSTMENT AND REPAIR 2.1.1 Precautions 1. When fastening parts, pay careful attention to the tight- ening torque of each screw. Unless otherwise specified, tighten a screw with the torque of 0.039 N • m (0.4 kgf • cm). 2. Be sure to disconnect the set from the power supply be- fore ...

  • JVC DVL320U - page 18

    2-2 2.2 JIGS AND TOOLS REQUIRED FOR DISASSEMBLY, ASSEMBLY AND ADJUSTMENT 2.2.1 Tools required for adjustments 1. Torque Driver Be sure to use to fastening the mechanism and exterior parts because those parts must strictly be controlled for tightening torque. 2. Bit This bit is slightly longer than those set in conventional torque drivers. 3. Tweeze ...

  • JVC DVL320U - page 19

    2-3 2.3 DISASSEMBLY/ASSEMBLY OF MECHANISM 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.) However, when the mechanism is removed from the main body, it is set in the STOP mode. Therefore, after the mechanism is removed from the main body, supply 3 ...

  • JVC DVL320U - page 20

    2-4 Table 2-3-1 ENCODER (ø10) MODE PARTS MAIN CAM (ø10.4) SUB CAM (ø11) ENCODER (ø10) MAIN CAM (ø10.4) SUB CAM (ø11) POLE BASE EJECT LEVER SLIDE <SLIDE DECK> CAM SW A B C RELEASE GUIDE SUP LOADING SUB BRAKE (T) PINCH ROLLER BRAKE PAD ARM TENSION 0 0 0 EJECT C IN 30 31.7 33 70 74.04 77 SHORT FF STOP 169.2 160 176 REV 211.5 200 220 PLAY 2 ...

  • JVC DVL320U - page 21

    2-5 2.4 DISASSEMBLY/ASSEMBLY OF MECHANISM ASSEMBLY 2.4.1 Follow chart 1. Configuration 2. Procedures for disassembly A Mechanism assembly Main deck assembly Slide deck assembly Mechanism assembly Main deck assembly Slide deck assembly Cassette housing assembly Cassette housing assembly B C A B C 2a 5b 7a 8a 11e 7h Fig. 2-4-1 Fig. 2-4-2 ...

  • JVC DVL320U - page 22

    2-6 3. Disassembling procedure table NO. PART NAME FIG. POINT NOTE REMARKS Table 2-4-1 A Cassette housing assembly T Fig. 2-4-5 3(S1),(L1a)-(L1d) 1a, 1b, 1c, 1d Adjustment 2a Reel disk (SUP) assembly T Fig. 2-4-6 (W2) 2a, 2b 2b Reel disk (TU) assembly T Fig. 2-4-6 (W2) 2a, 2b 2c Reel cover assembly T Fig. 2-4-6 (S2b),2(S2a),(W2) 2d 3a Tension arm a ...

  • JVC DVL320U - page 23

    2-7 Fig. 2-4-3 Fig. 2-4-4 10d 3a 7c 2a 7b 7a 7d 7e 9c 3c 3b 7h 2b 9f 8a 10c 9e 5b 9d 5a 4c 4a 4b 11b 11a C Main deck assembly B Slide deck assembly 10e 3d 9a 2c 3e 9b 8c 7f 7g < TOP VIEW > < BOTTOM VIEW > 11e 11d 11c 8b 10b C Main deck assembly B Slide deck assembly 10a ...

  • JVC DVL320U - page 24

    2-8 Fig. 2-4-5 Fig. 2-4-6 2.4.2 Disassembly/assembly 1. A Cassette housing assembly 2. 2a Reel disk (SUP) assembly 2b Reel disk (TU) assembly 2c Reel cover assembly 2 (S1) 3 (S1) Cassette housing assembly 1 (S1) Slide deck assembly /Main deck assembly (L1b) (L1a) (L1a) (L1c) Note 1c (L1d) (L1b) A Note 1b 2c (W2) (W2) (W2) 6 (S2b) 4 (S2a) 5 (S2a) 2a ...

  • JVC DVL320U - page 25

    2-9 Fig. 2-4-7 Fig. 2-4-8 4. 4a Cleaner arm assembly/ 4b Slant pole arm assembly 4c Drum assembly Note 3a: When removing the reel cover assembly, pay heed to re- lease guide assembly and guide arm assembly. For the guide arm assembly is just inserted into the slide deck as- sembly from the upside and it is apt to come off after the reel cover assem ...

  • JVC DVL320U - page 26

    2-10 Fig. 2-4-9 Note 5a: When reassembling, insert the tip of the guide roller with the coil spring put on it into the hole on the main deck. Tighten the guide roller by about 6 turns so that the height of the guide roller assem- bly is 19 mm or so as shown in the figure. 5. 5a G uide roller (S) assembly/ 5b Rail assembly Fig. 2-4-10 6. B Slide dec ...

  • JVC DVL320U - page 27

    2-11 Fig. 2-4-11 7. 7a Loading brake assembly/ 7b Guide pin (S) 7c Pad arm assembly/ 7d Slide guide plate assembly 7e Collar/ 7f Collar/ 7g Sub brake assembly 7h Control plate assembly Note 7a: Don ’ t remove these parts unreasonably. If they are removed for some reason, be very careful not to lose them. Note 7b: When reinstalling the sub brake a ...

  • JVC DVL320U - page 28

    2-12 Fig. 2-4-13 9. 9a Loading guide/ 9b Timing belt 9c Center gear assembly/ 9d Motor bracket assembly 9e Worm wheel/ 9f Gear holder 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 engages with the gears of both the center gear assembly ...

  • JVC DVL320U - page 29

    2-13 11e 24 (S11) 22 (S11) 20 (S11) Note 11 21 (S11) 19 (S11) 18 (S11) (W11) 23 (S11) 11d 11c 11b 11a Fig. 2-4-15 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. 11d 11 c ...

  • JVC DVL320U - page 30

    2-14 2.4.3 List of procedures for disassembly Fig. 2-4-16 (W3b) (W10b) (W5a) (W5a) (W5b) (W5a) (P5) AA AA AA AA AA AA AA AA AA BB BB BB BB 2 (S1) 3 (S1) 14 (S9) 9 (S4) 18 (S11) 19 (S11) (W10a) (W9) (W10a) (W4) (W3a) (W11) (W7) (W2) (W2) (P7d) (P7a) (P7b) (W2) (W7) (W7) (W7) (W3a) (W6) (W7) (P7c) (P4a) (P4b) 20 (S11) 21 (S11) 7 (S10) 15 (S9) 16 (S10 ...

  • JVC DVL320U - page 31

    2-15 2.5 CHECKUP AND ADJUSTMENT OF MECHANISM PHASE Fig. 2-5-1 <Rotary encoder> Set the “ ■ ” of the rotary part at the tapped hole as shown in the figure. <Worm wheel> (Note 2) Set the worm wheel so that its locating hole meets the hole on the main deck assembly. <Main cam gear /Brake control plate> After fitting the main ca ...

  • JVC DVL320U - page 32

    2-16 2.6 MECHANISM ADJUSTMENTS 2.6.1 Assembling slide deck assembly and main deck assembly 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 ass ...

  • JVC DVL320U - page 33

    2-17 b a c <PLAY mode> 2.6.2 Locating tension pole 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 ” . 3. I ...

  • JVC DVL320U - page 34

    2-18 1 2 3 4 5 A Cassette housing assembly S1 × 3 W2 × 1 Reel disk (SUP) assembly W2 × 1 W3a × 1 P5 × 1 Reel cover assembly S2a × 2 S2b × 1 W2 × 1 Reel disk (TU) assembly Tension arm assembly Release guide assembly W3b × 1 Idler arm assembly W3a × 1 Pinch roller arm assembly Guide arm assembly Cleaner arm assembly W4 × 1 P4a × 1 P4b × ...

  • JVC DVL320U - page 35

    2-19 Table 2-7-1b 6 8 7 9 10 11 W7 × 1 P7a × 1 S9 × 1 S10 × 1 S11 × 2 Loading brake assembly Collar S7a × 1 Guide pin (S) Collar W7 × 1 P7b × 1 Pad arm assembly W7 × 1 P7c × 1 Sub brake assembly S7b × 1 Slide guide plate assembly Control plate assembly W7 × 2 P7d × 1 B C Slide deck assembly Main deck assembly Tension lever assembly Sli ...

  • JVC DVL320U - page 36

    2-20 2.8 JIG CONNECTOR CABLE CONNECTION Remove one screw (1) first and the cover (JIG) next. Fig. 2-8-1 Jig connector cable connection 1 Cover(JIG) CN105 Jig connector cable (YTU93082C) Jig board Fig. 2-8-2 Jig connector cable schematic diagram 20 1 VPPC 2 3 4 5 6 7 8 9 10 11 12 13 14 1 CN2 CN1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 MAIN CN105 JIG BOARD ...

  • JVC DVL320U - page 37

    3-1 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. • OP block • E ...

  • JVC DVL320U - page 38

    3-2 1. Torque driver Be sure to use to fastening the mechanism and exte- rior parts because those parts must strictly be control- led for tightening torque. 2. Bit This bit is slightly longer than those set in conventional torque drivers. 3. Tweezers To be used for removing and installing parts and wires. 4. Chip IC replacement jig To be used for a ...

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Il manuale per l’uso, denominato anche istruzioni per l’uso, o semplicemente il manuale è un documento tecnico progettato per aiutare ad utilizzare JVC DVL320U dagli utenti. I manuali sono di solito scritti da uno scrittore tecnico, ma in un linguaggio accessibile a tutti gli utenti JVC DVL320U.

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