Gebruiksaanwijzing /service van het product DVL522U van de fabrikant JVC
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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.
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 ..
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.
• 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.
1-1 (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.
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.
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.
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.
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).
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.
1-7 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.
1-8 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.
1-9 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.
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.
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.
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.
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.
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.
2-3 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.
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.
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.
2-6 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.
2-7 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 > < .
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 asse.
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.
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.
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.
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.
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.
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) (W.
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.
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.
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 ” .
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 .
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 asse.
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.
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.
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.
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