JVC DVL320U - Manuals

JVC DVL320U – Manual in PDF format online.

Manuals:

Manual

Manual JVC DVL320U

Summary

Page 2 - TABLE OF CONTENTS

Important Safety Precautions INSTRUCTIONS 1. DISASSEMBLY 1.1 BEFORE ASSEMBLY AND DISASSEMBLY ......................... 1-1 1.1.1 Precautions ..................................................................... 1-11.1.2 Assembly and disassembly ............................................ 1-11.1.3 D...

Page 3 - Important Safety Precautions; Note: Parts in this category also include those specified to com-; Precautions during Servicing

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 thecountries in which they are to be sold. However, in order to maintain such compliance, it is equally important to implement th...

Page 4 - Safety Check after Servicing; II

• Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts and wires have been returnedto original positions, Afterwards, perform the following tests and confirm the specified values in order to verify compliance with saf...

Page 5 - BEFORE ASSEMBLY AND DISASSEMBLY; Three kinds of double-arrows in connection tables re-

1-1 (1) (2) (3) (4) (5) SECTION 1 DISASSEMBLY 1.1.4 Disconnection of Connectors (Wires) ConnectorPull 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 pri...

Page 8 - CN

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 B...

Page 11 - Treat the wires carefully.

1-7 Fig. 1-4-1 1.4 4 MONITOR ASSEMBLY Note: The shape of the monitor assembly varies by the sizeof 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 screenthrough the disa...

Page 14 - Pay careful attention to the orientation of the LPF.

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 maintenanceetc., especially with regard to surface contamination, at-tached dust or scratching. If finge...

Page 15 - EMERGENCY DISPLAY

1-11 1. The CAPSTAN FG signal is not received by the sysconCPU.1) Disconnection in the middle of the signal line.2) Failure of the CAPSTAN FG pulse generator (MR element). 2. No capstan control voltage is supplied to the MDA. 3. No power is supplied to the CAPSTAN MDA. 4. The capstan cannot be start...

Page 17 - PRELIMINARY REMARKS ON ADJUSTMENT AND

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 disco...

Page 19 - ASSEMBLY

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 mainbody, it is set in the STOP mode. Therefore, after themecha...

Page 20 - Mechanism timing chart

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...

Page 22 - Disassembling procedure table

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 ...

Page 26 - b; Rail assembly; Pay careful attention to the spring not to lose it.; Note 5b; Main deck; Note 6b

2-10 Fig. 2-4-9 Note 5a: When reassembling, insert the tipof the guide roller with the coilspring put on it into the hole onthe main deck. Tighten the guideroller by about 6 turns so that theheight of the guide roller assem-bly is 19 mm or so as shown inthe figure. 5. 5a Guide roller (S) assembly/ 5...

Page 27 - part of the; Note 7e; Note 8c

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 removedfor some reason, be very careful not to lose the...

Page 31 - CHECKUP AND ADJUSTMENT OF MECHANISM PHASE; ” of the rotary

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 co...

Page 32 - Press the end face

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 si...

Page 33 - Locating procedure; Enter the mechanism assembly into 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 locatedwith...

Page 36 - JIG CONNECTOR CABLE CONNECTION; Jig connector cable

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 ...

Page 37 - In case of wiring to chip test points for measurement,; Required test equipment

3-1 SECTION 3 ELECTRICAL ADJUSTMENT 3.1 PRECAUTION 1. Precaution Both the camera and deck sections of this model needs apersonal computer for adjustment except simple adjustmentwith potentiometers. If some of the following parts is replacedfor repair or other reason, the repaired set must be adjuste...