Hitachi DVRF-7-U Service Manual

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Page 1

SERVICE MANUAL

TK No. 0417E

DV-RF7U

DO NOT RESELL OR DIVERT IMPROPERLY.

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

DVD VIDEO RECORDER with VIDEO CASSETTE RECORDER

2004July

Digital Media Division,Tokai

Page 2

1 Safety Precaution for Repair ........... 1-1

1-1 Cautions ................................................. 1-1

1-2 Use of Solder for Repairs ....................... 1-1

1-3 Use of Solder for Repairs ....................... 1-1

1-4 Electrostatic Protection Measures .......... 1-2

1-5 Notes When Using Service Manual ........ 1-3

2 General Description ......................... 2-1

2-1 Overview ................................................ 2-1

2-1-1 Service method ................................... 2-1

2-1-2 Disc information ................................... 2-2

2-2 Features ................................................. 2-4

2-3 Specifications ......................................... 2-5

2-4 Major Differences from Previous Model .. 2-6

2-5 Function Differences from

Previous Model ....................................... 2-7

2-6 Names of Parts....................................... 2-8

2-7 List of Abbreviations and Terms for DVD

Recorder ............................................... 2-11

3 Details of Servicing and

Troubleshooting ............................... 3-1

3-1 Details of Servicing ................................. 3-1

3-1-1 Removing Disc from Faulty Recorder ... 3-1

3-1-2 Removing Video Cassette from Faulty

Recorder ............................................. 3-1

3-1-3 Firmware .............................................. 3-2

3-2 Troubleshooting ...................................... 3-3

4 Disassembly and Reassembly ........ 4-1

4-1 Order of Disassembly ............................. 4-1

4-2 Cabinet Disassembly .............................. 4-1

(1) Top Cover ................................................. 4-1

(2) Front Panel ............................................... 4-2

(3) Rear Panel and FAN Motor ....................... 4-2

(4) DVD Multi Drive ........................................ 4-3

(5) DVD Main P.C.B and Jack P.C.B ............... 4-3

(6) Front P.C.B ............................................... 4-4

(7) Deck Mechanism...................................... 4-4

(8) Key P.C.B and VCR Main P.C.B ................ 4-5

4-3 VCR Deck Parts Locations ..................... 4-6

4-3-1 Top View .............................................. 4-6

4-3-2 Bottom View ........................................ 4-7

4-4 VCR Deck Mechanism Disassembly ...... 4-8

(1) Holder FL Cassette Ass'y Removal .......... 4-8

(2) Lever FL Arm Ass'y Removal ................... 4-8

(3) Lever FL Door Removal ........................... 4-9

(4) Slider FL Drive, Gear FL Cam Removal ... 4-9

(5) Gear Worm Wheel Removal ................... 4-10

(6) Cable Flat Removal ................................ 4-10

(7) Motor Loading Ass'y Removal ................ 4-11

(8) Bracket Gear, Gear Joint 2, 1 Removal .. 4-11

(9) Gear Loading Drive, Slider Cam, Lever Load

S, T Ass'y Removal............................... 4-12

(10) Lever Pinch Drive, Lever Tension Drive

Removal ............................................... 4-13

(11) Lever Tension Ass'y, Band Brake Ass'y

Removal ............................................... 4-13

(12) Lever Brake S, T Ass'y Removal .......... 4-14

(13) Gear Idle Ass'y Removal ...................... 4-14

(14) Disk S, T Reel Removal........................ 4-15

(15) Holder Clutch Ass'y Removal ............... 4-15

(16) Lever Up Down Ass'y, Gear Center Ass'y

Removal ............................................... 4-16

(17) Guide Cassette Door Removal ............. 4-17

(18) Lever Unit Pinch Ass'y, Plate Joint, Spring

Pinch Drive Removal ............................ 4-17

(19) Lever #9 Guide Ass'y Removal............. 4-18

(20) FE Head Removal ................................ 4-18

(21) ACE Head Removal ............................. 4-19

(22) Slider S, T Ass'y Removal .................... 4-19

(23) Plate Ground Deck, Cylinder Ass'y

Removal ............................................... 4-20

(24) Hook Capstan, Belt Pulley Removal ..... 4-20

(25) Motor Capstan Ass'y Removal ............. 4-21

(26) Post #8 Guide Ass'y Removal .............. 4-21

4-5 The table of cleaning, Lubrication and

replacement time about principal parts . 4-22

5 Adjustment........................................ 5-1

5-1 Set-up for Adjustment ............................. 5-1

5-2 VCR Electrical Adjustment ..................... 5-2

5-2-1 Reference............................................. 5-2

5-2-2 Head Switching Adjustment .................. 5-3

5-2-3 NVRAM Option Setting ......................... 5-3

5-3 VCR Mechanism Adjustment .................. 5-4

5-3-1 Tape Transport System and Adjustment

Locations ............................................. 5-4

Contents - 1

Page 3

5-3-2 Tape Transport System Adjustment ..... 5-5

5-3-3 Reel Torque ........................................ 5-10

6 Exploded View and Parts List.......... 6-1

6-1 Exploded Views ...................................... 6-1

6-1-1 Cabinet Section ................................... 6-1

6-1-2 Deck Mechanism Section-Top view ..... 6-2

6-1-3 Deck Mechanism Section-Bottom view 6-3

6-2 Parts List ................................................. 6-4

6-2-1 Mechanical Parts List ........................... 6-4

6-2-2 Electrical Parts List ............................... 6-5

S Schematic, Wiring Diagrams .......... S-1

S-1 Wiring Diagram .......................................S-1

S-2 S.M.P.S Schematic Diagram ...................S-2

S-3 Power Schematic Diagram ..................... S-3

S-4 Logic Schematic Diagram .......................S-4

S-5 A/V Schematic Diagram ......................... S-5

S-6 Hi/Fi/MTS Schematic Diagram ............... S-6

S-7 MUX & TM & A/V Input

Schematic Diagram ................................S-7

S-8 MUX Connector Schematic Diagram ...... S-8

S-9 Audio Out Schematic Diagram................S-9

S-10 Video Out Schematic Diagram ............S-10

S-11 Front/Key Schematic Diagram ............. S-11

C Circuit Board Diagrams .................. C-1

C-1 VCR Main P.C.B .................................... C-1

C-2 Jack P.C.B ............................................ C-3

C-3 Front P.C.B ............................................ C-5

C-4 Key P.C.B............................................... C-5

B Block Diagram ................................. B-1

Contents - 2

Page 4

Safety Precaution for Repair

1-1 Cautions

PRODUCT SAFETY NOTICE

Many electrical and mechanical parts have special safety-related characteristics. These are often not

evident from visual inspection nor can the protection afforded by them necessarily be obtained by using

replacement components rated for a higher voltage, wattage, etc. Replacement parts which have these

special safety characteristics are identified in this Service Manual. Electrical components having such

features are identified by marking with a on the schematics and the parts list in this Service Manual.

The use of a substitute replacement component which does not have the same safety characteristics

as the HITACHI recommended replacement one, shown in the parts list in this Service Manual, may

create shock, fire, or other hazards. Product safety is continuously under review and new instructions

are issued from time to time. For the latest information, always consult the current HITACHI Service

Manual. A subscription to, or additional copies for, HITACHI Service Manual may be obtained at a

nominal charge from HITACHI SALES CORPORATION.

CAUTION

CLASS 2M LASER RADIATION WHEN OPEN. DO NOT STARE INTO THE BEAM OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS.

CAUTION

CLASS 1

LASER PRODUCT

CAUTION

This product contains a laser diode of higher class than 1. To ensure continued safety, do not remove any covers or attempt to gain access to the inside of the product. Refer all servicing to qualified personnel.

There is a high-voltage section inside the DVD recorder.

When repairing or inspecting it, take great care to

prevent electric shock: Use an isolating transformer,

wear gloves, etc.

1-2 Use of Solder for Repairs

Lead-based solder is used for the printed circuit boards in this recorder. Therefore, when servicing, use lead-based solder and set the temperature at the tip of soldering iron 30 - 40 °C lower than when using lead-free solder.

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Page 5

Safety Precaution for Repair > Electrostatic Protection Measures / Cautions When Handling DVD Drive

1-3 Electrostatic Protection Measures

Semiconductor components can be damaged by static electricity charged on clothes, human body, etc. Take great care when handling components to avoid electrostatic damage, and perform servicing in an environment where grounding is complete.

(1) Grounding work bench

Lay out an antistatic mat on work bench, and then use the ground plate to ground the work bench.

Antistatic mat

1M ohm

Ground

(2) Grounding human body

Use an antistatic wrist strap to discharge any static electricity charged on the body. Also, use a tester for wrist strap to make sure that the wrist strap is working normally. Note, however, that static electricity charged on clothes will not be discharged by wrist strap: Therefore do not allow your clothes to touch the semiconductor components.

Antistatic wrist strap

1M ohm

1-4 Cautions When Handling DVD Drive

The optical pickup in DVD drive has a high precision structure: Be sure to observe the following cautions.

1) Do not subject optical pickups to any severe vibrations or impact during movement, installation or disassembly.

2) When performing repair work, do not perform disassembly any further than that described in this manual.

3) Never turn the semi-variable resistors for adjustment in optical pickup or DVD drive.

4) NEVER look into the objective lens in optical pickup or directly view the laser light: You could lose your eyesight.

Do not directly look at laser light from pickup.

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Page 6

Safety Precaution for Repair > Notes When Using Service Manual

1-5 Notes When Using Service Manual

(1) Value units used in parts list

Certain symbols are indicated as shown below for value units of resistors, capacitors and coils in parts list. When you read them, note the following regular indications:

Parts

Resistor Capacitor

Coil

Indication in list Regular indication

KOHM UF PF UH MH

.........................................

................................................

...............................................

..............................................

k µF pF µH mH

(2) Values in schematic diagrams

The values, dielectric strength (power capacitance) and tolerances of the resistors (excluding variable resistors) and capacitors are indicated in the schematic diagrams using abbreviations. Certain symbols are indicated for value units: When you read them note the regular indications in tables below:

[Resistors] [Capacitors]

Item

Value

Tolerance

Power capacitance

No indication

..................................................

.................................................

M No indication (All tolerances other than ±5% are indicated in schematic diagrams) No indication (1/16 W for leadless resistors with no indication) All capacitances other than the above are indicated in schematic diagrams.

Indication

..............................

k M ±5%

1/8W

Item

Value

Dielectric strength

[Coils]

Item

Value

Indication

No indication

..................................................

P No indication (All dielectric strengths other than 50 V are indicated in schematic diagrams)

..............................

µF pF 50V

Indication

...................................................

..................................................

µH mH

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Page 7

General Description

2-1 Overview

Model DV-RF7U is a multi-drive DVD recorder with VCR: It can record on DVD-RAM, DVD-RW and DVD-R discs and play them back. The DV-RF7U can handle DVD-RW discs for recording and playback in Video format and VR (Video Recording) format, and DVD-RAM discs of both cartridge type (12 cm) and non-cartridge type. The DV-RF7U can play back 8 cm DVD-R discs recorded on Hitachi DVD video camera/recorders even when they are not yet finalized: It also has a DV input jack with which digital dubbing is possible from digital video cameras. The DV-RF7U also allows one-button dubbing from VHS videotape to DVD, and vice versa.

2-1-1 Service method

Basically, components are replaced when servicing the DV-RF7U. However, the service method is different for high-density packaging PCBs and precision components. Refer to the following table and perform the designated, appropriate servicing. Any changes that occur in the service method will be published using service bulletin, etc. Do not perform any servicing other than that described in this manual.

Component

Exterior component DVD Multi Drive DVD Main P.C.B

VCR Main P.C.B Front P.C.B Key P.C.B Jack P.C.B Deck mechanism

Service method

Component replacement Unit replacement Circuit board assembly replacement Component replacement Component replacement Component replacement Component replacement Component replacement

Jack P.C.B

DVD Multi drive

Front P.C.B

DVD Main P.C.B

Key P.C.B

Fig. 2-1-1 Component Location

Deck mechanism

VCR Main P.C.B

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General Description > Overview

2-1-2 Disc information

DVD-Video

· A digital versatile disc (DVD) can contain up to 135 minutes of images, 8-language audio and 32 subtitle languages. It is equipped with MPEG-2 picture compression and Dolby 3D surround, allowing you to enjoy vivid and clear theater quality images in the comfort of your own home.

· When switching from the first layer to the second layer of a double-layered DVD Video disc, there may be momentary distortion in the image and sound. This is not a malfunction of the unit.

· Once a DVD-R/RW recorded in Video Mode is finalized, it becomes DVD-Video.

Audio CD

· An audio disc on which 44.1kHz PCM Audio is recorded.

· Plays CD-DA format audio CD-R and CD-RW discs. This unit may not be able to play some CD-R or CD-RW discs due to the condition of the recording.

CD-R/RW

MP3 CD-R/RW

· Only CD-R discs with MP3 files recorded with ISO9660 or JOLIET format can be played back.

· Only MP3 files with the "mp3", and "MP3" extension can be used.

· For MP3 files recorded with a VBR (Variable Bit Rates), from 32 Kbps to 320 Kbps, the sound may cut in out.

· Playable bit rate range is from 56Kbps to 320Kbps.

· The unit can handle a maximum of 1000 files and

folders.

JPEG CD-R/RW

· Only JPEG files with the ".jpg", ".JPG" extension can be used.

· The unit can handle a maximum of 1000 files and folders.

· Maximum size of progressive JPEG is 3M pixels.

· MOTION JPEG is not supported.

Using CD-R/RW

· If the CD-R/RW disc was not recorded as a closed session, you may experience a delay in the early play back time, and all recorded files may not play.

· Some CD-R/RW discs may not be playable with this unit, depending on the device which was used to burn them. For contents recorded on CD-R/RW media from CDs for your personal use, playability may vary depending on contents and discs.

DVD-R Disc Playback and Recording

· Once a DVD-R/RW recorded in Video Mode is finalized, it becomes DVD-Video.

· You can record onto the available space on the disc and perform editing functions such as giving titles to discs and programs and erasing programs before finalizing.

· When programming is erased from a DVD-R, that space does not become available. Once an area on a DVD-R is recorded on, that area is no longer available for recording, whether the recording is erased or not.

· It takes about 30 seconds for the unit to complete recording management information after recording finishes.

· This product optimizes the DVD-R for each recording. Optimizing is carried out when you start recording after inserting the disc or turn on the unit. Recording onto the disc may become impossible if optimizing is carried out too many times.

· Playback may be impossible in some cases due to the recording condition.

· This unit can play back DVD-R discs recorded and finalized with a DVD video recorder. It may not be able to play some DVD-R discs depending on the disc and the recording condition.

DVD-RW Disc Playback and Recording

· Recording and playback can be performed on DVD-RW discs in both Video and VR Modes.

· Once a DVD-RW recorded in VR Mode is finalized, you cannot perform additional recording.

· Once a DVD-RW recorded in Video Mode is finalized, it becomes DVD-Video.

· In both modes, playback can be performed before and after finalization, but additional recording, deleting and editing cannot be performed after finalization.

· If you want to record the disc in VR Mode and then record in V Mode, be sure to execute Format. Be careful when executing Format because all the recorded data may be lost.

· A DVD-RW blank disc is initialized to Video Mode when first initialized.

DVD-RW (VR mode)

- This is a format that is used for recording data on a DVD-RAM or DVD-RW disc. You can repeat recording, editing, deleting, partial deletion, creation of playlist, etc.

- A disc that is recorded in this mode may not be played by existing DVD players.

DVD-RW (Video mode)

- This is a format that is used for recording data on a DVD-RW or DVD-R disc. The disc can be played by an existing DVD player once it has been finalized.

- If a disc that has been recorded in Video mode by a different manufacturer's recorder, but has not been finalized, it cannot be played or additionally be recorded

this recorder.

2 - 2

Page 9

General Description > Overview

DVD-RAM Disc Playback and Recording

· DVD-RAM discs come with or without a cartridge. For this product, we recommend DVD-RAM discs that come with cartridges.

· Some cartridges are able to eject the disc inside. Even if you are able to eject the disc, always use the disc with the cartridge to ensure correct operation.

· DVD-RAM discs have a Write Protect tab in order to avoid accidental erasure of recorded data. With the Write Protect tab set to PROTECT, you can play the disc, but recording or erasing will not work. Set the Write Protect tab to UNPROTECT to format the disc or erase data.

· Ensure that the recording mode is set to VR mode. Otherwise, this product will not be able to play the recording.

· You cannot play a DVD-RAM in most DVD players due to compatibility issues.

· Only DVD-RAM standard Version 2.0 discs can be played in this unit.

· DVD-RAM recorded on this unit may not work with other DVD Players. To determine compatibility with these DVD-RAM discs, refer to the user's manual for the player.

· This unit is compatible with both non-cartridge and cartridge DVD-RAM, but the write-protect tabs on cartridge-type discs give better protection to your recordings.

COPY PROTECTION

· Many DVD discs are encoded with copy protection. Because of this, you should only connect your DVD Recorder-VCR directly to your TV, not to a VCR. Connecting to a VCR results in a distorted picture from copy-protected DVD discs.

· This product incorporates copyright protection technology that is protected by methods claims of certain U.S. patents and other intellectual property rights owned by Macrovision Corporation and other rights owners. Use of this copyright protection technology must be authorized by Macrovision Corporation, and is intended for home and other limited viewing uses only unless otherwise authorized by Macrovision Corporation. Reverse engineering or disassembly is prohibited.

Protection

This DVD Recorder-VCR can allow you to protect the contents of your discs, as described below.

· Cartridge-protected: With the write-protect tab set in the protect position, the contents of the disc cannot be recorded, edited, or erased.

· Program-protected: "Locking a Title List

· Disc-protected: "Disc Protection"

DVD-RAM/DVD-RW/DVD discs that are

incompatible with the DVD-VIDEO format cannot be played with this product. For more information on recording a DVD, consult

your DVD-RAM/DVD-RW/DVD-R manufacturer. If poor quality DVD-RAM/DVD-RW/DVD-R discs are

used, your recordings may fail.

Entry"

Do not use the following discs!

· LD, CD-G, CD-I, CD-ROM, DVD-ROM, VCD, DVD+R and DVD+RW discs should not be used in this product.

[Note] Disc types that can be played : CD/CD-R/CD-RW/MP3/ JPEG/DVD-Video/DVD-RAM/ DVD-RW/DVD-R. However, if your DVD-RW disc was recorded with another device, it can be played only if it was recorded and finalized in Video Mode.

· Some commercial discs and DVD discs purchased outside your region may not be playable with this product. When these discs are played, either "No disc." or "Please check the regional code." will be displayed.

· If your DVD-RW disc is an illegal copy or is not in DVD video format, it may also not be playable.

We recommend using Hitachi Maxell discs as they have been confirmed to be compatible with this unit. Other discs may not perform correctly.

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Page 10

General Description > Features

2-2 Features

DV-RF7U allows you to record and play back high quality digital images on a DVD-RAM/DVD-RW/DVD-R

disc. You can also edit digital images on DVD-RAM/DVD-RW discs.

(1) High quality digital audio and video recording and playback

Record up to about 12-hour images with a double sided 9.4 GB DVD-RAM disc, and up to about 6hour images with a 4.7 GB DVD-RAM disc, depending on the recording mode.

(2) Creating DVD video title using DVD-RW/DVD-R disc

With DV-RF7U, create your own DVD video title on 4.7 GB DVD-RW/DVD-R discs.

(3) A Variety of Recording Options

Select an appropriate recording mode between XP, SP, LP and EP to meet your recording needs.

· XP mode - High quality, about 1 hour

· SP mode - Standard quality, about 2 hours

· LP mode - Low quality, about 4 hours

· EP mode - Lower quality, about 6 hours

(4) Copying digital camcorder content using DV input jack

Record digital camcorder images onto DVD-RAM/DVD-RW/DVD-R discs using the DV input jack (IEEE 1394-4pin).

(5) Time Slip and Picture In Picture (PIP)

Use the Time Slip function to play back the recorded images while a recording is proceeding (DVDRAM only). Use the PIP function to view the playback and recording screens at the same time.

(6) High quality progressive scan

Progressive scanning provides high resolution and flicker free images. The 10-bit 54-MHz DAC, 2D Y/C Separating circuitry and Time Base Corrector processor technology provide you with the highest image playback and recording quality.

(7) A variety of functions with easy-to-use user interface

Integrated menu system and messaging functionality allow you to perform the desired operations easily and conveniently. With a DVD-RAM/DVD-RW(VR mode) disc, you can edit recorded images, create playlist, and edit images in specific sequence according to your needs.

2 - 4

Page 11

General Description > Specifications

2-3 Specifications

Power requirements 120 V AC, 60 Hz

Power consumption/Standby power (W)

General Weight Approx. 5.3 kg (11.6 lb)

Dimensions Approx. 430 mm (W) x 333 mm (D) x 84 mm (H)

Operating temp. +5˚C to +40˚C (+41˚F to +95˚F)

Operating humidity Keep level when operating. Less than 80% operating humidity

Video 1.0 V p-p at 75 ohm load, sync negative

Input Max. Audio Input Level 2 Vrms

DV Input IEEE 1394(4p) compatible jack

Receivable Channels Regular TV broadcasting: VHF (2~13), UHF (14~69)

Audio Audio input jacks 1, 2

Output

DVD

Video Video input jacks 1, 2

Picture Compression format MPEG-II

Audio Compression format Dolby AC-3 256 kbps

Recording time Max (6 hour) (using 4.7 GB disc):

Video S/N Ratio Min. 50 dB at standard recording

Audio S/N Ratio Min. 75 dB

Audio frequency characteristics 20 Hz ~ 20 kHz

45 Watts/5.1 Watts

[Approx. 16.9 in (W) x 13.1 in (D) x 3.3 in (H)]

S-Video input (Y: 1.0 Vp-p, C: 0.286 Vp-p at 75 ohm load)

Cable TV broadcasting: 1~125

Optical/Coaxial digital audio output

S-Video output 1 (Y: 1.0 Vp-p, C: 0.286 Vp-p at 75

Component output

(Y: 1.0 Vp-p, Pb: 0.70 Vp-p, Pr: 0.70 Vp-p at 75

XP (60 min), SP (120 min), LP (240 min), EP (360 min)

(excluding projections)

ohm load)

Audio Output

For DVD discs, audio signals recorded at 96kHz sampling frequency are converted into and output at 48kHz digital signal.

Disc Type DVD VIDEO-CD AUDIO CD(CDDA)

Analog Audio Output 48 / 96 kHz 44.1 kHz 44.1 kHz

Digital Audio Output 48 kHz 44.1 kHz 44.1 kHz

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Page 12

General Description > Major Differences from Previous Model

2-4 Major Differences from Previous Model

Item

Appearance

DV-RF7U

POWER STANDBY

DV-RX5000U

DVD -RAM / DVD-R RECORDING

: Same as on left

DVD VIDEO RECORDER DV-RX5000U

OPEN/CLOSE

REC MODE CHANNEL REC ERASE

TIME SLIP STOP PLAY SKIP/FR SKIP/FF

Dimensions Power consumption

Recordable media

Playable media

Remote control DV input terminal S-VIDEO input terminal VIDEO/AUDIO input terminals COMPONENT VIDEO output terminal S-VIDEO output terminal VIDEO output terminal Analog AUDIO output terminals Digital AUDIO output terminals Progressive button

430(W) x 333(D) x 84(H)mm Approx. 45 W Standby power: Approx. 5.1 W 12 cm (5”) 4.7 GB DVD-RAM discs 12 cm (5”) 9.4 GB DVD-RAM discs 8 cm (3”) 2.8 GB DVD-RAM discs 12 cm (5”) 4.7 GB DVD-RW discs (Ver.1.1/Ver.1.1 with CPRM) 12 cm (5”) 4.7 GB DVD-R discs 8 cm (3”) 1.4 GB DVD-R discs (for General Ver. 2.0) 12 cm (5”) 4.7 GB DVD-R discs (for General Ver.2.0/ 4X-SPEED DVD-R Revision 1.0) VHS 12 cm (5”) 4.7 GB DVD-RAM discs 12 cm (5”) 9.4 GB DVD-RAM discs 8 cm (3”) 2.8 GB DVD-RAM discs 12 cm (5”) 4.7 GB DVD-RW discs (Ver.1.1/Ver.1.1 with CPRM) 12 cm (5”) 4.7 GB DVD-R discs 8 cm (3”) 1.4 GB DVD-R discs (for General Ver. 2.0) DVD-VIDEO discs CD-Audio discs (CD-DA) CD-R/CD-RW discs (CD-DA, MP3 formatted discs) VHS/S-VHS (SQPB) DV-RMRF7U 1 (Front) 1 (Front) 2 (Front: 1, Rear: 1)

1 (Rear)

1 (Rear) 1 (Rear) 2 (Rear)

2 (Optical: 1, Coaxial: 1)

Yes (Front)

430(W) x 283(D) x 79(H)mm Approx. 26 W Standby power: Approx. 3.2 W 12 cm (5”) 4.7 GB DVD-RAM discs 12 cm (5”) 9.4 GB DVD-RAM discs 8 cm (3”) 2.8 GB DVD-RAM discs 12 cm (5”) 4.7 GB DVD-R discs 8 cm (3”) 1.4 GB DVD-R discs (for General Ver. 2.0)

12 cm (5”) 4.7 GB DVD-RAM discs 12 cm (5”) 9.4 GB DVD-RAM discs 8 cm (3”) 2.8 GB DVD-RAM discs 12 cm (5”) 4.7 GB DVD-R discs 8 cm (3”) 1.4 GB DVD-R discs (for General Ver. 2.0) DVD-VIDEO discs CD-Audio discs (CD-DA) Video CD discs CD-R/CD-RW discs (CD-DA, Video CD, MP3 formatted discs)

DV-RM5000U No 3 (Front: 1, Rear: 2) 3 (Front: 1, Rear: 2)

1 (Rear)

1 (Optical: 1)

Yes (SETUP screen)

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Page 13

General Description > Function Differences from Previous Model

2-5 Function Differences from Previous Model

Item

Recording

Playback

DVD sectionVCR section

Other

Recording

Playback & Variable Search

Digital Recording (DV to DVD) Dubbing (VCR to DVD) Time Slip One Touch Recording (OTR) AUTO recording mode

Simultaneous rec and play Title List Playback Time Navi Skipping Manual Skip Marker Zooming In Photo CD Playback (JPEG) MP3 Playback P in P Repeat Play A-B Repeat Play Camera Angle Function Virtual Surround Slow Motion Play Step Motion Play Position Memory Disk Manager Edit Title List Edit Playlist Divide Program Digital Recording (DV to VCR) Dubbing (DVD to VCR) Playlist dubbing (DVD to VCR) One Touch Recording (OTR) Picture Search/Jet Search S-VHS Playback Go To [0:00:00] Stop End Search Forward Intro Scan/Reverse Intro Scan

DV-RF7U

Yes Yes Yes Yes Yes

Yes Yes Yes

Yes (30 seconds)

Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes

No Yes Yes Yes Yes Yes Yes Yes Yes Yes

: Same as on left

DV-RX5000U

No No

Yes (Flexible Recording

Mode)

Yes (Direct Navigator)

Yes (CM Skip)

No No

Yes

---

2 - 7

Page 14

General Description > Names of Parts

2-6 Names of Parts

Front Panel

1 2

765

DVD DECK DVD OPEN/CLOSE BUTTON

VCR DECK

VCR EJECT BUTTON

POWER BUTTON

PROGRESSIVE BUTTON

S-VIDEO INPUT JACK

VIDEO INPUT JACK

AUDIO L/R INPUTS JACK

DV INPUT JACK

Front Panel Display

CHANNEL

FRONT PANEL DISPLAY

DVD/VCR SELECT BUTTON

RECORD BUTTON

STOP BUTTON

SKIP/FR BUTTON

PLAY BUTTON

F.F/SKIP BUTTON

DUBBING BUTTON

BUTTON

18171615141312

1 2

When the indicator is on, DVD is activated.

DVD-RAM is activated.

DVD-R or DVD-RW is activated.

Progressive Scan mode is working. When you watch SAP/STEREO channel or

playback Hi-Fi VCR tapes, STEREO indicator lights.

VCR is activated.

1110987

DVD or CD media is loaded. Record function is working. The time, counter position or current deck status is indicated.

When you set a Timer recording, or currentdeck status is indicated, this indicator, it is lit.

VHS Videotape is loaded.

2 - 8

Page 15

General Description > Names of Parts

Rear Panel

S-VIDEO OUT JACK AUDIO OUT L/R JACK

DIGITAL AUDIO OUT JACK (OPTICAL)

DIGITAL AUDIO OUT JACK (COAXIAL)

COMPONENT VIDEO OUT JACK

AUDIO OUT R/L JACK

Remote Control

4 5

AUDIO

REC MODE

PLAY LIST

MENU INPUT

MAIN MENU

MARKER

VCR Plus+

DVD

SURROUND

100+

1 2 3

4 5 6

7 8 9

CANCEL

TIMER

M.SKIP

DISC

NAVIGATION

TOP MENU

TV POWER

TV INPUT

VCR

VCRDVD

DUBBING

TIME SLIP

PLAY

STOP

SKIP

STEP

ENTER

VOL TV CH

DVD

OPEN/

DISPLAY

PAUSE

RETURNFUNCTIONS

P in P

REC

1 2 3 4 65

VIDEO OUT JACK

VIDEO IN JACK

AUDIO IN R/L JACK

RF OUT TO TV JACK

RF ANTENNA INPUT JACK

21 22

DVD Button

Press this when you use a DVD.

POWER Button

AUDIO Button

Use this to access various audio functions on a disc (DVD mode). This operates as sound mute. (TV mode)

SURROUND Button

1110987

Gives surround-sound effect even with only two front speakers (L/R).

27 28 29

30 31

32 33 34

REC MODE Button

MENU/PLAY LIST Button

Use this to return to the Title menu, or to view the recorded files list.

INPUT Button

Select line input signal in external input mode (Tuner or Line input)

MAIN MENU Button

Brings up the DVD Recorder-VCR's setup menu.

MARKER Button

Use this to bookmark a position while playing a disc.

VCR Plus+ Button

Press this button and input VCR Plus+ codes to preset the timer for recording.

TIMER Button

Used to preset the timer for programmed recording.

2 - 9

Page 16

General Description > Names of Parts

PLAY Button

REVERSE Button

MANUAL SKIP Button

Pressing this button during playback will skip to a scene 30 seconds forward.

TOP MENU/DISC NAVIGATION Button

Use this to enter the View Recoding list/disk menu.

FUNCTIONS Button

Use this to view the status of the disc that is being played.

TV POWER Button

TV INPUT Button

To switch the TV channel to that for external input.

VCR Button

OPEN/CLOSE Button

To open and close the disc tray.

VCR DUBBING Button

Press this when you copy DVD to VCR.

DISPLAY Button

This will display current setting or disc status.

DVD DUBBING Button

Press this when you copy VCR to DVD.

DVD CHANNEL Buttons

To switch the channel on this DVD RecorderVCR.

1/100+ Button

Extended pressing of numeric button "1" will deliver "100".

Numerical Buttons

CANCEL Button

P in P Button

Use to watch a subprogram on the PIP screen while watching the main program on the main screen.

TIME SLIP Button

FORWARD Button

STOP Button

PAUSE Button

Use this to pause during recording or Playback.

SKIP/STEP Button

REC Button

Use to make a recording on DVD-RAM/-RW/-R discs.

DIRECTION Buttons

(UP/DOWN or LEFT/RIGHT Buttons)

ENTER Button

RETURN Button

Returns to a previous menu.

TV CHANNEL Buttons

Use this to select a TV channel.

TV VOLUME Buttons

TV volume adjustment

2 - 10

Page 17

General Description > List of Abbreviations and Terms for DVD Recorder

2-7 List of Abbreviations and Terms for DVD Recorder

Index

A B

Abbreviation/Term

AC3 Black Level

CPRM

CD-R

CD-RW Component video output terminals

Decoder

Dynamic Range

Dolby AC3

DRC

DTS

DVD

DVD-Audio DVD-R

DVD-RAM DVD-RW DVD-Video

DVD Video Format

DVD Video Recording Format I/P/B

Explanation

See Dolby AC3. Function to correct the gradations on dark portions to make dark scenes easierto-see. Content Protection for Recordable Media: Copyright protection function that is suitable for online distribution of music. One type of DVD standard disc, to which writing once is possible (recordable type) One type of CD standard disc, to which writing up to 1000 times is possible Used for outputs of HDTV video signal format. Since signals for brightness and colors are independently handled for components signals (Y: luminance signal; PR/PB: chrominance signals), degrading of image will be reduced. A device that decodes the data coded and recorded on DVD Video and restores it to video and audio signals. This processing is referred to as decoding. A difference between maximum and minimum levels of audio recorded on disc: Measured in decibel (dB) units. If the dynamic range is compressed (audio DRC), the minimum signal level will increase and the maximum signal level will decrease: This will reduce the higher audio signal - such as burst sound - so that the low-level audio signal - such as human voice - can be heard more clearly. Audio coding format developed by Dolby Laboratories in U.S, also simply referred as AC3 format: Supports 5-channel full-range sound and one channel for sub-woofer sound playback. Dynamic Range Control: Adjusting the audio range of maximum and minimum levels (dynamic range) will improve audio signal when, for example, dialog is hard to hear or user is watching movies late at night. Digital Theater System: Sound system as for movie theaters developed by US Digital Theater Systems, Inc. The number of channels provided by DTS is the same for Dolby AC3. Digital Versatile Disc. A huge amount of digital data for video (movie) and audio can be recorded on this disc, whose size is the same as CD. One type of DVD standard disc, on which high-quality audio can be recorded One type of DVD standard disc, to which writing once is possible (recordable type) One type of DVD standard disc, to which writing up to 100,000 times is possible One type of DVD standard disc, to which writing up to 1000 times is possible One type of DVD standard disc, on which high-quality video and audio can be recorded Video recording/playback standard that applies to DVD-Video, DVD-R and DVDRW Video recording/playback standard that applies to DVD-RAM and DVD-RW: This allows versatile editing functions, differing from the DVD Video Format. DVD recorders normally use data that is common between images, and individually record different data for each image. I-picture: Images recorded independently for the reference of commonly used data. P-picture: Images created from past I-picture or P-picture B-picture: Images created from both I and P pictures, which interact between both types Since I-picture delivers the highest image quality, selecting I-picture is recommended when adjusting image quality.

2 - 11

Page 18

General Description > List of Abbreviations and Terms for DVD Recorder

Index

Abbreviation/Term

JPEG

MPEG

MPEG Audio Layer 2 MP3 Optical digital audio output

Pan & Scan/ Letterbox

Playback Control (PBC) Progressive playback function

S-Video Output

Sampling Frequency

SDMI

Tracking

Explanation

Joint Photographic Expert Group: International standard format for compressing still images. Moving Picture Experts Group: Standard related to compression of digital video and audio. MPEG2 is a higher standard of MPEG and is applied to video (movie) requiring higher quality. One of three audio compression standards (layers 1-3) defined by MPEG

MPEG1 Audio Layer-3: Audio data digital compression technology. Audio is usually converted to an electrical signal and transmitted from DVD to a device such as amp: When audio is converted to a digital signal, this optical digital audio output can be transmitted on optical fiber. Most DVD videos are produced assuming that they will be displayed on wide TV screen (aspect ratio of 16:9): If they are displayed on TV screens with 4:3 aspect ratio, 16:9 images will not quite fit on 4:3 screens. There are two ways of displaying 16:9 images on 4:3 TV:

· Pan & Scan: Cuts out the left and right ends of images and displays them on whole screen.

· Letterbox: Reproduces 16:9 images on 4:3 screens with black bands across the top and bottom of screen.

One format to play Video CD: User can select desired screens and data while watching the displayed menu screen. This function converts interlaced images to non-interlaced images and displays them. It can play back 24-frame/second images included in DVD movie software, etc. The video signal is separated into chrominance (C) and luminance (L) signals and transmitted to TV: This delivers clearer images. Sampling slices audio waves (analog signal) at a specified time interval, and digitizes the levels of the sliced waves. The slicing number per second is referred to as the sampling frequency: The higher the number, the closer the sound to the original. Secure Digital Music Initiative: This conference was established by hardware makers, the Recording Industry Association of America (RIAA) and music industry companies, to protect copyrights of musical compositions. To make adjustment for clearer playback image, by reducing noise that appears on screen during videotape playback.

Virtual surround

WMA

This technology localizes sound at any position using only two front speakers, by subjecting the L and R signals to matrix operation. It uses the four transfer functions from L/R speakers located at specified positions to both ears of listener located in a specified position, taking into account the shape of head and the effect of earlobes, and the two transfer functions from any position to both ears. Windows Media Audio: Codec that was developed by Microsoft Corporation in USA.

2 - 12

Page 19

KAISER

Details of Servicing and Troubleshooting

3-1 Details of Servicing

3-1-1 Removing Disc from Faulty Recorder

If disc cannot be removed due to fault, disassemble the recorder and remove the disc by the following procedure:

1) Remove the top cover.

[See 4-2 (1) for removal procedure.]

2) Remove the front panel.

[See 4-2 (2) for removal procedure.]

3) Use a screwdriver, etc. to move the cam slider at the right of DVD Multi drive in the direction of arrow A: The disc tray will slightly come forward. Pull out the disc tray in the direction of arrow B. Take great care during this work so as not to damage the disc.

TRAY DISC

SCREWDRIVER

"B"

"A"

Fig. 3-1-1 Removing Disc

SLIDER CAM

3-1-2 Removing Video Cassette from Faulty Recorder

If video cassette cannot be removed due to fault, disassemble the recorder and remove the video cassette by the following procedure:

1) Remove the top cover. [See 4-2 (1) for removal procedure.]

2) Remove the front panel. [See 4-2 (2) for removal procedure.]

3) Remove the setscrew, and then release the gear of loading motor.

4) Turn the gear worm wheel in the direction of arrow A: Unloading will start. When the tape starts to slacken, turn the holder clutch on the front of deck mechanism to remove slack in tape. (The holder clutch can also be turned through the hole in bottom frame.)

5) When unloading is complete, the VCR will enter the eject operation: Fully turn the gear worm wheel in the direction of arrow A until it stops.

HOLDER CLUTCH

"B"

GEAR WORM WHEEL

UNLOADING/ EJECT

"A"

Remove screw

Removing slack in tape

Fig. 3-1-2 Removing Video Cassette

3 - 1

Page 20

Details of Servicing and Troubleshooting > Firmware

3-1-3 Firmware

The firmware is occasionally updated to improve performance. Check whether a customer complaint can be solved by updating of firmware: If the complaint can be solved, update the firmware.

Information:

If any corrections in firmware are made at the factory, information on how to obtain the firmware data and create a disc containing upgraded firmware will be reported in technical bulletin, etc.

(1) Version check procedure

1) With the recorder turned on, make sure that no disc or tape is inserted.

2) Hold down the CH UP + CH DOWN buttons on recorder simultaneously for approx. 5 seconds: The version of firmware will appear on the screen.

3) Turn the recorder off to switch off the display.

(2) Updating Firmware

1) Write the firmware data to CD-R or CD-RW.

2) Insert the disc into the tray: Recognition of the disc will start and the screen for confirming updating will appear.

3) Choose [Yes], and then press the ENTER button on remote control.

4) When updating is complete, the tray will automatically open: Remove the disc.

5) Turn the recorder off, and then on again: The tray will close.

6) Hold down the CH UP + CH DOWN buttons on recorder simultaneously for approx. 5 seconds to display the version screen of firmware. [System reset operation]

7) Turn the recorder off to finish the updating of firmware.

3 - 2

Page 21

No Power Detected (standby LED OFF)

VCR Main PCB

Key Operation or

Remote Control Error

3-2 Troubleshooting

Details of Servicing and Troubleshooting > Troubleshooting

VCR Main PCB

3 - 3

F1S01 is normal?

YES

D1S05~07, ZD1S01~2

SHORT and OPEN

are normal?

YES

Is there a voltage at

Collector of

Q1S01

YES

Operation of

Q1S01 is

normal?

YES

Check feedback IC1S02

Change fuse

Change short circuited or

opened parts

Check 2'nd Voltage

Replace Q1S01

Is the measurement of

power within normal value?

YES

XT601 14.318MHz

oscillation is normal?

YES

Check the circuit

around IC601 reset?

YES

Check the soldering

around IC601 good?

YES

Key operations such

as STOP,PLAY,OPEN

are normal?

YES

End repairs

Check power circuit and connector

Check the circuit around the clock

Check the circuit around IC601 reset

Check the soldering around IC601

Check the circuit around the switch. check the condition of communication with Main Micom (IC601-4,6,14,15,16,RRQ,SRQ,SCLK, DATA-IN,DATA-OUT)

STOP,PLAY,OPEN

Key operations are

normal?

Change IC601

YES

Change IC701

Page 22

PLAY MODE

INOPERATIVE

(VCR Section)

VCR Main PCB

MECHANISM DOESN'T

OPERATE IN PLAY MODE

(VCR Section)

Details of Servicing and Troubleshooting > Troubleshooting

VCR Main PCB

3 - 4

EE-VIDEO

YES

INSERT THE CASSETTE TAPE RECORDED BY ANOTHER VCR AND PRESS PLAY BUTTON

PLAY

INDICATOR

IN THE DISPLAY

YES

MECHANISM OPERATION

YES DOES NOT OPERATE

OR OPERATES BUT STOPS SOON

NO NO

SEE VIDEO MISSING IN EE MODE

PRESS PLAY KEY

ON REMOTE

CONTROL

YES

CHECK PLAY BUTTON

AND PATTERN

SEE MECHANISM DOES NOT OPERATE IN PLAY MODE

CHECK IC601, XT601

TURN POWER ON

LOAD A TAPE AND

PRESS PLAY BUTTON

TAPE LOADING

OPERATION

YES

CYLINDER ROTATION

YES

SW 30Hz IC601-23

NO NO

(LOAD) IC601-59: HIGH IC601-60: LOW

YES

CHECK CN604

8 pin 12V

CHECK CYLINDER

CHECK CYL FG.PG IC601-65

CHECK START SENSOR (S602) IC601

PB-VIDEO

YES

SEE AUDIO MISSING IN PLAY MODE

SEE VIDEO MISSING IN PLAY MODE

YES

To Next Page

Page 23

RECORD MODE DOESN'T OPERATE

(VCR Section)

VCR Main PCB

Details of Servicing and Troubleshooting > Troubleshooting

3 - 5

CAPSTAN

ROTATION

YES

(S.T REEL)

IC601-1.2

PULSE

PROG.SW STATE

IC601-62(Hi),

63(Lo), 64(Lo)?

CHANGE IC601

YES

SEE CAPSTAN DOES NOT ROTATE

CHANGE TAKE-UP REEL SENSOR SUPPLY REEL SENSOR (PT601, PT602)

CHECK LOADING MOTOR MECHANISM OR SW603

PLAY

OPERATION

YES

LOAD VCR WITH A BLANK TAPE AND PRESS RECORD BUTTON

REC MODE

YES

D-REC A (H)

IC601-30

YES

EJECT NO

SEE PLAY MODE INOPERATIVE

SAFETY TAB

CHANGE SW602

CHECK IC601

CHANGE TAPE

YES

REC-VIDEO

YES

SEE AUDIO MISSING IN RECORD MODE

SEE VIDEO MISSING IN RECORD MODE

Page 24

FAST FORWARD DOESN'T OPERATE

LOAD TAPE AND PRESS F.FWD BUTTON

(VCR Section)

VCR Main PCB

FWD SEARCH DOESN'T

OPERATE

PLAY

OPERATION

(VCR Section)

SEE PLAY MODE INOPERATIVE

VCR Main PCB

Details of Servicing and Troubleshooting > Troubleshooting

3 - 6

F.FWD

INDICATOR IN

THE DISPLAY

YES

CHECK

CN604-2: 15V; 4: 5V

YES

CHECK

CN604-5, 9 3.2V

YES

IC601-67 FG pulse

PRESS FF

KEY ON REMOTE

CONTROL

YES

CHECK BUTTON AND

PATTERN

CHECK POWER BLOCK

CHECK IC601

CHECK CAPSTAN MOTOR

CHANGE IC601, XT601

YES

PRESS F.FWD FOR FORWARD SEARCH

IS CAPSTAN

SPEED CHANGED?

YES

NOISE BAR

LOCKING

YES

CHANGE DECK

(CONTROL PULSE)

IC601-76

YES

OPERATION

YES

END

ADJUST ACE HEAD

CHANGE IC601

YES

CHECK

MECHANISM

CHECK IC601

CHECK CAPSTAN

MOTOR

Page 25

CASSETTE LOADING

MECHANISM

DOES NOT OPERATE

(VCR Section)

VCR Main PCB

VIDEO MISSING IN

EE MODE

(VCR Section)

Details of Servicing and Troubleshooting > Troubleshooting

VCR Main PCB, Jack PCB (3xx, 6xx) (8xx)

3 - 7

TURN POWER ON AND INSERT A TAPE

TAPE DETECTED

YES

PRESS EJECT BUTTON

NO NO

CST IN MODE

IC601-87: HIGH(5V)

YES

CN604-8 12V?

YES

IC601-59: HIGH(5V) IC601-58: LOW(0V)

YES

CHECK START SENSOR (S602) IC601

CHECK LM B+ LINE

CHANGE IC601

PLACE VCR IN STOP MODE

LINE 2 VIDEO INPUT

IC301-26

VIDEO OUT

YES

IC601-49

VIDEO IN

YES

Q801-E

VIDEO OUT

IC301-53,54

VIDEO DATA/

CLOCK

YES

CHANGE IC301

IC601-50

SYNC IN

YES

CHECK OSD PICTURE

CHECK IC801, Q801

CHECK

IC601

CHECK

R638, C623,

C622

IC601-59:LOW(0V) IC601-58:HIGH(5V)

CHANGE IC601

YES

CHECK CASSETTE LOADING MECHANISM

YES

CHECK LINE OUT and

C832, R806, R804

Page 26

VIDEO MISSING IN

RECORD MODE

(VCR Section)

VCR Main PCB

VIDEO MISSING IN

PLAY MODE

(VCR Section)

VCR Main PCB, Jack PCB (3xx, 6xx) (8xx)

Details of Servicing and Troubleshooting > Troubleshooting

3 - 8

IC301-21

VIDEO signal out?

YES

IC301-22

VIDEO signal out?

YES

IC301-14

CHECK REC FM signal?

YES

IC301-70

REC FM signal in?

YES

IC301-73 (SP)

IC301-66 (SLP)

CHECK REC FM signal?

E-E mode and IC301-26 CHECK VIDEO signal out

CHECK C305

CHECK IC301-23 Power 5V

CHECK IC301-68 Power 5V and R320

CHECK drum wafer and VIDEO head

VIDEO EE MODE

OPERATION

YES

PLACE THE VCR IN PLAY MODE

VIDEO FM

IC301-14

YES

VIDEO

IC301-22

YES

VIDEO

IC301-26

SEE VIDEO MISSING IN EE MODE

CHECK C305

H'D SW

IC301-57

IC601-49, 47

VIDEO

YES

YESYES

CHECK IC601-23

CHECK VIDEO HEAD

VIDEO

IC801-20

YES

CHECK VIDEO OUT LINE

YES

NO DEFECT RECORD MODE

NO NO NO

CHANGE IC301 CHECK IC601

CHECK IC801

Page 27

COLOR MISSING IN

RECORD MODE

(VCR Section)

VCR Main PCB

COLOR MISSING IN

PLAY MODE

(VCR Section)

VCR Main PCB

Details of Servicing and Troubleshooting > Troubleshooting

3 - 9

(VIDEO IN)

RECORD MODE

YES

COLOR signal

IC301-46

YES

COLOR KILLER

IC301 "60"(2V)

YES

CHANGE

IC301

SEE VIDEO MISSING IN RECORD MODE

NOTE: XT301 - Always (3.579545MHz)

CHECK XT301

YES

CHANGE IC301

CHECK THE REC LINE

CHANGE XT301

FM-ENV IC301-14

YES

COLOR-MONITOR

IC301-46

YES

SEE VIDEO MISSING IN PLAY MODE

COLOR-KILLER

IC301-"60"(2V)

SW 30Hz IC301-57

YES

CHECK IC301-48, 51

XT301

CHANGE

IC301

YES

NOTE: XT301 - Always (3.579545MHz)

CHECK IC601

Page 28

OSD PICTURE

MISSING

CHECK IC601-37, 38

14.318MHz signal out

(VCR Section)

VCR Main PCB

CHECK C618,C619

BLUE MISSING IN

STOP MODE

SELECT LINE MODE WITHOUT INPUT SIGNAL

(VCR Section)

VCR Main PCB

Details of Servicing and Troubleshooting > Troubleshooting

3 - 10

YES

CHECK IC601-52, 53

AFC signal out

YES

CHANGE IC601

CHECK C626, R639

CHECK IC601-37, 38

14.318MHz out

YES

CHECK IC601-52, 53

AFC signal

YES

CHECK IC601-50

SYNK signal

YES

CHANGE IC601

CHECK C618, C619

CHECK C626, R639

CHECK C622, R638

Page 29

AUDIO MISSING IN

EE MODE

(VCR Section)

VCR Main PCB, Jack PCB (5xx, 6xx) (4xx, 8xx)

AUDIO MISSING IN

RECORD MODE

(VCR Section)

Details of Servicing and Troubleshooting > Troubleshooting

VCR Main PCB

3 - 11

CHECK TM401

CHECK

IC601

CHECK

C543, C544,

R516, R517

VCR STOP MODE

INPUT CHOICE

IC501-57

AUDIO SIGNAL

CHECK CLK, DATA

IC501-37, 38

IC501-78, 80

AUDIO SIGNAL

IC801-42, 54

AUDIO SIGNAL

MODE

INPUT

L1/L2

TUNER

YES

NO NO

YES

IC801-44, 46, 56, 58 Audio

signal input

YES

IC501-51

3.58MHz

YES

CHANGE

IC501

CHECK

C819, C820,

C825, C826

CHECK

Q303

CHECK AUDIO MISSING IN EE MODE

MISSING AUDIO

HIFI

IC501-9, 71

AUDIO SIGNAL

YES

IC501-37, 38

CLK, DATA

YES

IC501-78, 80

AUDIO SIGNAL

YES

MONO

CHECK R523, R524, R525, R511

CHECK R509, R510

CHANGE IC501

YES

CHECK

IC801

IC501-26

AUDIO FM

YES

CHECK CYLINDER

CHECK C511, R506 CHANGE IC501

Page 30

MONO

AUDIO MISSING

IN PLAY MODE

(VCR Section)

VCR Main PCB

Details of Servicing and Troubleshooting > Troubleshooting

3 - 12

CHECK AUDIO MISSING IN PLAY MODE

IC301-76

AUDIO SIGNAL

YES

IC301-10

AUDIO SIGNAL

YES

IC301-9

AUDIO FM SIGNAL

YES

IC301-7

MIX SIGNAL

(AUDIO+70KHz)

IC501-6

AUDIO SIGNAL

CHANGE IC501

CHANGE IC301

CHECK R331, C353

YES

CHECK C336, R322, R348

IC301-53, 54, 55 CHECK (CLOCK, DATA)

CHECK AUDIO MISSING IN EE MODE

PLACE THE VCR IN PB MODE

MONO

AUDIO SELECT

AUDIO FM(MIXED)

HIFI

IC501-24, 27

YES

CHANGE

IC501

CHECK IC501-39(A.H D SW) CHANGE CYLINDER OR IC501

YES

Q305

OSCILLATION

YES

CHECK ACE HEAD

CHECK Q304, Q305, C354

IC301-3

AUDIO SIGNAL

YES

CHECK C349, R333 or CHANG IC301

CHECK ACE HEAD C353, C348, R332 AND CHANGE IC301

Page 31

NO SERVO LOCK

(VCR Section)

VCR Main PCB

CAPSTAN DOES

NOT ROTATE

(VCR Section)

VCR Main PCB

Details of Servicing and Troubleshooting > Troubleshooting

3 - 13

PLAY

IC601-67

C-FG

YES

IC601-76

CTL PULSE

YES

CHECK

CTL PULSE AC

LEVEL (SP. SLP:

OVER 1Vp-p)

YES

CHANGE

IC601

CHECK CN604-1

CHECK ACE HEAD

CN604-2

15V

YES

CN604-3

PC 5V

YES

PLACE THE VCR

IN PLAY MODE

CN604-5

3.2V

YES

NO NO

CHECK AL15V LINE IN THE POWER BLOCK

CHECK PC5V LINE IN THE POWER BLOCK

IC601-35

OUTPUT(PWM)

YES

CHECK R632

CHANGE IC601

CN604-9

2.6V

YES YES

CHECK

CAPSTAN MOTOR

IC601-33

OUTPUT(PWM)

CHECK

R615, C606, R630

CHECK IC601

Page 32

DRUM DOES

NOT ROTATE

(VCR Section)

VCR Main PCB

Details of Servicing and Troubleshooting > Troubleshooting

3 - 14

CN604-8

12V

YES

CN604-3

YES

CN604-12

2.5V

YES

CHECK

CYLINDER MOTOR

CHECK PC12V LINE IN THE POWER BLOCK

CHECK 5V LINE

CN601-34 PWM OUT

CHECK

R631, R617, R618, C609, C610

CHANGE IC601

Page 33

Tray repeats open/close operation

No Analog Audio Output

Details of Servicing and Troubleshooting > Troubleshooting

3 - 15

Is (Front PCB) mounted

correctly?

Yes

Is the connection

between FJACK2 (Front PCB) and

FJACK1(Jack PCB) correct?

Yes

Is the connection

between MCON1 and CN02

(VCR Main PCB) correct?

Yes

Check the short between KEY1

and SEG3

Disc loading error

Check the soldering of Front PCB

Check the connection

between FJACK1 and FJACK2

Check the connection

between MCON1 and CN02

Voltage of AR17

and AR31 is lower than 0.6V

(Jack PCB)

Yes

Proper vcc of

AIC4 (Jack PCB)

Yes

Output from pins 2 and 4

of CN4 on Jack PCB

Yes

Proper output at pins 1 and 7

of AIC4

Yes

Check the passive components

around jack pin

Check mute block

Check A12VCC line

Replace Main PCB

Replace AIC4

Is the 40-pin

FFC cable (between main & deck)

inserted correctly?

Yes

Change the main board

Reinsert FFC cable correctly

Page 34

No digital audio out

No audio in line input mode or

recorded disc playback

Details of Servicing and Troubleshooting > Troubleshooting

3 - 16

Check the digital audio

setting

Skip setting check (hardware problem)

Proper vcc of DOIC1 (Jack PCB)

Yes

Proper signal input to pin 13

of DOIC1

Yes

Proper signal output from

pin 6 of DOIC1

Yes

Check optical and coaxial output terminals

and passive components around them

Checking

Refer to user manual

Check Vcc Line

Replace Main PCB

Replace DOIC1

Check select signal at

pins 44, 46, 56, 58 of IC801

(Jack PCB)

Yes

Check pin62 of IC801,pin18

of MCON2,and pin16 of MCON2

on Jack PCB

Yes

Check passive components

around jack-pin and IC801

Check pin63, 64 (input select) of IC801

Check SMPS circuit

Page 35

VIDEO output error

S-Video output error

Details of Servicing and Troubleshooting > Troubleshooting

3 - 17

Is there

no 'P480' Mark on FLT?

Yes

CN3-12 on jack PCB

has

normal level?

Yes

Analog signals are

input normally

VIC1

Yes

Power is

normal at VIC1-1,24, 34?

(Jack PCB)

Yes

VIC1-13 is

in high state?

After DVDR is in stop state, push the progressive scan key on the Front panel.

Check Main PCB

Check the connection between CN3-12 on Main PCB and VIC1

Check the connection between VIC1 and power

Check the connection between VIC1-13 and VCR Micom. Check VIC1 peripheral circuit

Is there

no 'P480' Mark on FLT?

Yes

CN3-10, 8 on

jack PCB

has normal level?

Yes

Analog signals are

input normaly

VIC1 (Jack PCB)

Yes

Power is normal at VIC1-1,24, 34?

(5V)

Yes

VIC1-13 is

in high state?

After DVDR is in stop state, push the progressive scan key on the Front panel.

Check Main PCB.

Check the connection between CN2-10, 8 on Main PCB and VIC1

Check the connection between VIC1 and power

Check the connection betweenVIC1-13

and VCR Micom. Check VIC1 peripheral circuit

Yes

Video signal of

about 1V appears at

output jack?

Yes

Check the RCA cable

Check the connection between

VIC1 and output jack

Yes

Video signals of

about 1V appears at

output jack?

Yes

Check the RCA cable

Check the connection between VIC1 and output jack.

Page 36

Component output error

Progressive output error

Details of Servicing and Troubleshooting > Troubleshooting

3 - 18

CN3-2, 4, 6 on

Jack PCB have

normal level?

Yes

Analog signals are

input normally

VIC1

Yes

Power is normal

at VIC1-1,24, 34?

Yes

Video signals of

about 1V appear at

output jack?

Yes

Check the RCA cable

Check Main PCB

Check the connection between CN3-2, 4, 6 and VIC1

Check the connection between VIC1 and power

Check the connection between VIC1 and output jack

Is there

'P480' Mark on FLT?

Yes

Check the RCA cable

Line1 Video Input Error

IC801-4

has nomal level?

(Jack PCB)

Yes

IC801-21

has nomal level?

Yes

After DVDR is in stop state, push the progressive scan key on the Front panel.

Check the connection between IC801-4 and L1 pin-jack

IC801-62, 55 of input power

Change Main PCB

Page 37

Line2 Video Input Error

Details of Servicing and Troubleshooting > Troubleshooting

3 - 19

IC801-6

has nomal level?

(Jack PCB)

Yes

IC801-21

has nomal level?

Yes

Change Main PCB

Line2 S-Video Video Input Error

CN3-15, 17

have nomal level?

(Jack PCB)

Check the connection between IC801-6 and L2 pin-jack

IC801-62, 55 of input power

Check the connection between CN3-15, 17 and L2 S- video jack

Yes

Change Main PCB

Page 38

Disassembly and Reassembly

4-1 Order of Disassembly

Refer to the Disassembly Flowchart in Fig. 4-1-1 for the order of removing components. When reassembling components, use the reverse order to removal unless otherwise specified.

Reading Disassembly Flowchart:

After locating the target component in the flowchart, remove all components of the target in sequence, following the arrows (routes) from the top of flowchart. If multiple routes exist to the target component from the top of flowchart, remove all the components on all the routes.

Parts to remove Item

Top cover

Front panel

DVD Multi drive

DVD Main P.C.B

Jack P.C.B

4-2 (1)

4-2 (2)

4-2 (4)

4-2 (5)

Parts to remove Item Parts to remove Item

Rear panel

FAN motor

Deck mechanism

VCR Main P.C.B

Front P.C.B

4-2 (3)

4-2 (7)

4-2 (8)

4-2 (6)

Key P.C.B

4-2 (8)

Fig. 4-1-1 Disassembly Flowchart

4-2 Cabinet Disassembly

Information:

Numbers in figures are step numbers in disassembly procedure, and letters in brackets [ ] show the types of screw.

(1) Top Cover

1) Remove the 7 screws [A].

2) Slightly open both ends on the front side of top cover and lift the top cover in the direction of the arrow.

1) Screw [A] Top Cover

[A] M3X10(Silver)

1) Screw [A]

Fig. 4-2-1 Top cover

4 - 1

Page 39

Disassembly and Reassembly > Disassembly

(2) Front Panel

1) Release 3 tabs (A) and 3 tabs (B) in this order. (The tab (A) and the tab (B) should be release at the same time, respectively.)

2) Slowly move the front panel forward to remove it.

Caution when reassembling front panel:

Reattach the front panel while pushing the cassette door so that the cassette door open/close lever is positioned outside the door.

1) Tab (A)

Cassette Door

Cassette Door open/close lever

1) Tab (B)

Front Panel

Fig. 4-2-2 Front Panel

(3) Rear Panel and FAN Motor

1) Disconnect the power cable.

2) Remove 4 screws [B] and the screw [G].

3) Disconnect the fan motor connector.

4) Release the 2 tabs and remove the rear panel.

When disassembling only FAN motor:

a) Remove 2 screws [C]. b) Disconnect the fan motor connector [3) in the figure].

1) Power cable

[B] M3X10 (Black) [C] M4X10 (Black)

4) Tab

Rear panel

[G] M4X10 (Silver)

FAN motor

a) Screw [C]

2) Screw [B]

2) Screw [G]

4) Tab

Fig. 4-2-3 Rear Panel and FAN Motor

4 - 2

3) Connector

Page 40

Disassembly and Reassembly > Disassembly

(4) DVD Multi Drive

1) Disconnect the FFC. *FFC: Flexible flat cable When reconnecting the FFC, insert it into the connector, following the instructions in illustration, and check the connection status.

2) Disconnect the connector.

3) Remove 4 screws [D].

4) Pull the DVD multi drive out vertically.

1) FFC

Parallel

Insert the FFC so that it is parallel to the connector.

No Good

After inserting the FFC, check that the FFC doesn't incline.

3) Screw [D]

[D] M3X12(Gold)

DVD Multi Drive

2) Connector

3) Screw [D]

Fig. 4-2-4 DVD Multi Drive

(5) DVD Main P.C.B and Jack P.C.B (Fig. 4-2-5)

1) Remove 3 screws [D].

2) Pull the DVD Main P.C.B out vertically.

Caution

The 3 direct connectors that connect the DVD Main P.C.B and Jack P.C.B (at the back of DVD Main P.C.B) are tightly locked: Carefully pull out the DVD Main P.C.B.

3) Remove the rear panel. (Refer to section (3).)

4) Disconnect the 3 FFCs. When reconnecting the FFCs, insert them into the connectors, following the instructions in illustration, and check the connection status.

5) Remove 3 screws [F], and then remove the Jack P.C.B.

4 - 3

Page 41

Disassembly and Reassembly > Disassembly

(6) Front P.C.B

1) Remove the FFC [portion a) in the figure]. When reconnecting the FFC, insert it into the connector, following the instructions in illustration, and check the connection status.

2) Remove 2 screws [F] [portion b) in the figure], and then remove the Front P.C.B.

1) Screw [D]

5) Screw [F]

Direct Connector

Jack P.C.B

1) Screw [D]

5) Screw [F]

Front P.C.B

3) Rear Panel

5) Screw [F]

b) Screw [F]

DVD Main P.C.B

4) FFC

a) FFC

[D] M3X12 (Gold) [F] M3X8 (Gold)

Parallel

Insert the FFC so that it is parallel to the connector.

No Good

After inserting the FFC, check that the FFC doesn't incline.

Fig. 4-2-5 DVD Main P.C.B, Jack P.C.B and Front P.C.B

(7) Deck Mechanism

1) Remove 2 screws [D], and then remove the guide holder.

2) Disconnect the ACE head connector.

3) Remove 4 screws [E].

4) While unplugging the 3 direct connectors that connect the deck mechanism and VCR Main P.C.B, lift the entire deck mechanism vertically.

Direct Connector

Deck Mechanism

3) Screw [E]

2) Connector

1) Screw [D]

Fig. 4-2-6 Deck Mechanism

4 - 4

3) Screw [E]

Direct Connector

3) Screw [E]

Guide Holder

[D] M3X12 (Gold) [E] M4X12 (Gold)

Page 42

Disassembly and Reassembly > Disassembly

Cautions when reassembling deck mechanism

Check the following when reassembling the deck mechanism:

· Set the boss of the mode switch (SW603) on VCR Main P.C.B to the position shown in the figure below.

· Make sure that joint 1 gear on the back of deck mechanism is in the position shown in the figure below.

When the deck mechanism is properly reassembled at right angles, the boss of mode switch can be inserted into the hole in joint 1 gear.

BOSS

SW603

MODE SW

JOINT 1 GEAR

Deck mechanism-Bottom view

VCR Main PCB

Fig. 4-2-7 Reassembling Deck Mechanism

(8) Key P.C.B and VCR Main P.C.B

1) Remove screw [F].

2) Unplug the direct connector from VCR Main P.C.B, and then remove the Key P.C.B.

3) Disconnect the 2 FFCs. When reconnecting the FFCs, insert them into the connectors, following the instructions in illustration, and check the connection status.

4) Remove 6 screws [F], and then remove the VCR Main P.C.B.

4) Screw [F]

3) FFC

Parallel

Insert the FFC so that it is parallel to the connector.

No Good

After inserting the FFC, check that the FFC doesn't incline.

4) Screw [F]

[F] M3X8(Gold)

VCR Main P.C.B

1) Screw [F]

2) Direct connector

Fig. 4-2-8 Key P.C.B and VCR Main P.C.B

4 - 5

Key P.C.B

Page 43

Disassembly and Reassembly > VCR Deck Parts Locations

4-3 VCR Deck Parts Locations

4-3-1 Top View

1 GEAR FL CAM 2 MOTOR LOADING ASS’Y 3 LEVER FL ARM ASS’Y 4 HOLDER FL CASSETTE ASS’Y 5 LEVER FL DOOR 6 SLIDER FL DRIVE

3456

Fig. 4-3-1 Top View of parts Locations-1

12 345

1 FE HEAD 2 CYLINDER ASS'Y 3 ACE HEAD ASS'Y 4 LEVER UNIT PINCH ASS'Y 5 LEVER #9 GUIDE ASS'Y 6 LEVER TENSION ASS'Y 7 BAND BRAKE ASS'Y 8 DISK S REEL 9 LEVER S BRAKE ASS'Y 10 GEAR IDLE 11 LEVER IDLE 12 LEVER T BRAKE ASS'Y 13 DISK T REEL

6 7 8 9 10 11 10 12 13

Fig. 4-3-2 Top View of Parts Locations-2

4 - 6

Page 44

Disassembly and Reassembly > VCR Deck Parts Locations

4-3-2 Bottom View

123 4 56 7

1 GEAR JOINT 1 2 GEAR JOINT 2 3 BRACKET GEAR 4 MOTOR CAPSTAN ASS'Y 5 LEVER T LOAD ASS'Y 6 GEAR LOADING DRIVE 7 LEVER S LOAD ASS'Y 8 HOLDER CLUTCH ASS'Y 9 BELT PULLEY 10 SLIDER CAM

89 10

Fig. 4-3-3 Bottom View of Parts Locations

4 - 7

Page 45

Disassembly and Reassembly > VCR Deck Mechanism Disassembly

4-4 VCR Deck Mechanism Disassembly

(1) Holder FL Cassette Ass'y Removal

1) Pull the Holder FL Cassette Ass'y to the eject position.

2) Pull the Holder FL Cassette Ass'y by holding the Holder FL Cassette Ass'y and Lever FL Cassette-R at the same time to release hooking from Main Base until Boss [A] of Holder FL Cassette Ass'y is removed from Rail [B].

3) Lift the Holder FL Cassette Ass'y at this time: You have to hold the Lever FL Cassette-R continuously until the Holder FL Cassette Ass'y is removed completely.

Note:

Be sure to insert Lever FL Cassette-R in the direction of “A” to prevent separation and breakage of the Lever FL Cassette-R during disassembly and reassembly.

HOLDER FL CASSETTE ASS'Y

"A"

BOSS [A]

LEVER FL CASSETTE -R

Fig. 4-4-1 Holder FL Cassette Ass'y Removal

(2) Lever FL Arm Ass'y Removal

1) Push hole “A” in the direction of arrow “B” using a pin.

2) Pull out the Lever FL Arm Ass'y from the Boss of Main Base.

3) Remove the Lever FL Arm Ass'y in the direction of arrow “C”.

HOLE "A"

"B"

"C"

LEVER FL ARM ASS'Y

RAIL [B]

Fig. 4-4-2 Lever FL Arm Ass'y Removal

4 - 8

Page 46

Disassembly and Reassembly > VCR Deck Mechanism Disassembly

(3) Lever FL Door Removal

1) Remove the Slider FL Drive in the direction of arrow.

2) Release the Hook and Remove the Lever FL Door in the direction of arrow “B”.

LEVER FL DOOR

2) HOOK

SLIDER FL DRIVE

"B"

"A"

Fig. 4-4-3 Lever FL Door Removal

(4) Slider FL Drive, Gear FL Cam Removal

1) Pull the Slider FL Drive to the front.

2) Remove the Gear FL cam.

Note :

When reinstalling, be sure to reassemble the Slider FL Drive after inserting the Boss of Lever FL ARM into the Groove in Slider FL Drive.

Assembly :

Align the Gear FL Cam with the Gear Worm Wheel Post as shown. (Refer to Timing point)

GEAR FL CAM

GEAR WORM WHEEL

Fig. 4-4-4 Slider FL Drive Removal

POST

TIMING POINT

Fig. 4-4-5 Gear FL Cam, Gear Worm

2) GEAR FL CAM

1) SLIDER FL DRIVE

4 - 9

Page 47

Disassembly and Reassembly > VCR Deck Mechanism Disassembly

(5) Gear Worm Wheel Removal

1) Remove the Gear Worm Wheel.

1) GEAR WORM WHEEL

Fig. 4-4-6 Gear Worm Wheel Removal

(6) Cable Flat Removal

1) Remove the Drum connecting part of Cable Flat from the Connector Wafer.

2) Remove the Loading Motor connecting part of Cable Flat from the Connector Wafer.

CONNECTOR WAFER

1) CABLE FLAT

2) CABLE FLAT

CONNECTOR WAFER

Fig. 4-4-7 Cable Flat Removal

4 - 10

Page 48

Disassembly and Reassembly > VCR Deck Mechanism Disassembly

(7) Motor Loading Ass'y Removal

1) Remove the screw.

2) Remove the Motor Loading Ass'y.

2) MOTOR LOADING ASS`

1) SCREW

Fig.4-4-8 Motor Loading Ass'y Removal

(8) Bracket Gear, Gear Joints 2, 1 Removal

1) Remove the screw.

2) Remove the Bracket Gear.

3) Remove Gear Joint 2.

4) Remove Gear Joint 1.

Assembly :

1) Be sure to align the dot mark of Gear Joint 1 with the dot mark of Gear Joint 2 as shown in Fig 4-4-10. (Refer to Timing Point 1)

2) Confirm Timing Point 2 of Gear Joint 2 and Slider Cam. (Refer to Timing Point 2)

4) GEAR JOINT 1

3) GEAR JOINT 2

1) SCREW

2) BRACKET GEAR

GEAR JOINT1

GEAR JOINT2

TIMING POINT 1

SLIDER CAM

TIMING POINT 2

Fig. 4-4-9 Bracket Gear, Gear Joints 1,2 Removal

Fig. 4-4-10 Gear Joints 1,2 Assembly

4 - 11

Page 49

Disassembly and Reassembly > VCR Deck Mechanism Disassembly

(9) Gear Loading Drive, Slider Cam, Lever Load S, T Ass'y Removal

1) Remove the Belt Pulley.

(Refer to Fig. 4-4-28)

2) Remove the Gear Loading Drive after releasing Hook [A] in the direction of arrow as shown in the detailed drawing.

3) Remove the Slider Cam.

4) Remove the Lever Load S Ass'y & Lever Load T Ass'y.

HOOK(A)

3) SLIDE CAM

2) GEAR LOADING DRIVE

4) LEVER LOAD T ASS'Y

4) LEVER LOAD S ASS'Y

Fig. 4-4-11 Gear Loading Drive, Slider Cam, Lever T, S Load Ass'y Removal

Assembly:

1) When reinstalling, be sure to align the dot of Lever Load T Ass'y with the dot of Lever Load S Ass'y as shown in the drawing (Refer to Timing Point 1).

2) Insert Pins A,B,C,D into the holes in Slider

TIMING POINT 1

Cam.

3) Be sure to align the dot of Lever Load T and

LEVER LOAD T

LEVER LOAD S

the dot of Gear Loading Drive (Refer to Timing Point 2).

4) Align the dot of Gear Loading drive with the mark of Slider Cam as shown in the drawing (Refer to Timing Point 3).

TIMING POINT 2

TIMING POINT 3

PIN A

PIN C

SLIDER CAM

PIN D

Fig. 4-4-12 Gear Loading Drive, Slider Cam, Lever Load S, T Ass'y Assembly

4 - 12

PIN B

Page 50

Disassembly and Reassembly > VCR Deck Mechanism Disassembly

(10) Lever Pinch Drive, Lever Tension Drive Removal

1) Remove the Lever Pinch Drive and Lever Tension Drive.

LEVER PINCH DRIVE

LEVER TENSION DRIVE

Fig. 4-4-13 Lever Pinch Drive, Lever Tension Drive Removal

(11) Lever Tension Ass'y, Band Brake Ass'y Removal

1) Remove the Lever Brake S Ass'y (Refer to Fig 4-4-15).

2) Remove the Spring Tension Lever.

3) Rotate the stopper of Main Base in the direction of arrow “A”.

4) Lift the Lever Tension Ass'y and Band Brake Ass'y.

Note :

1) When replacing the Lever Tension Ass'y, be sure to apply Grease on the post.

2) Take care not to touch stain on the felt side, and not to be folder and broken Band brake Ass'y.

3) After Lever Tension Ass'y seated, Rotate stopper of Main Base to the Mark[B].

4) BAND BRAKE ASS`Y

4) LEVER TENSION ASS`Y

2) SPRING TENSION LEVER

3) STOPPER

"A"

MARK[B]

Fig. 4-4-14 Lever Tension Ass'y, Band Brake Ass'y Removal

4 - 13

Page 51

Disassembly and Reassembly > VCR Deck Mechanism Disassembly

(12) Lever Brake S, T Ass'y Removal

1) Release Hook [A] and Hooks [B], [C] in the directions of arrow.

2) Lift the Lever S, T Brake Ass'y with the spring brake.

Note :

Take extreme care not to fold or transform Spring Brake during removing or reinstalling.

1) HOOK(A)

2) SPRING BRAKE

2) LEVER S BRAKE ASS'Y

Fig. 4-4-15 Lever Brake S, T Ass’y Removal

(13) Gear Idle Ass'y Removal

1) Push the Lever Idle in the direction of arrow “A”, “B”.

2) Lift the Lever Idle.

Assembly :

1) Apply oil to the two Bosses of Lever Idle.

GEAR IDLE

"A"

HOOK "C"

1) HOOK(C)

1) HOOK(B)

2) LEVER T BRAKE ASS`Y

OIL

1) LEVER IDLE

"B"

GEAR IDLE

Fig. 4-4-16 Gear Idle Ass'y Removal

4 - 14

Page 52

Disassembly and Reassembly > VCR Deck Mechanism Disassembly

(14) Disk S, T Reel Removal

1) Lift the Disk S, T Reel.

Fig. 4-4-17 Disk S, T Reel Removal

DISK S REEL

DISK T REEL

(15) Holder Clutch Ass'y Removal

1) Remove the Washer Slit.

2) Lift the Holder Clutch Ass'y.

Note :

When you reinstall the Holder Clutch Ass'y:

1) Check the condition of spring as shown in detail A.

2) Don't push the Holder Clutch Ass'y down with excessive force. Just insert Holder Clutch Ass'y into post center with dead force and Rotate it smoothly. Be sure to confirm that the spring is in the slit of Gear Center Ass'y as shown in detail B.

1) WASHER SLIT

2) HOLDER CLUTCH ASS`Y

DETAIL A

4 - 15

<BAD> SPRING <GOOD>

DETAIL B

SPRING

<BAD>

<GOOD>

Fig. 4-4-18 Holder Clutch Ass'y Removal

Page 53

Disassembly and Reassembly > VCR Deck Mechanism Disassembly

(16) Lever Up/Down Ass'y, Gear Center Ass'y Removal

1) Release the 2 hooks in the direction of the arrows as shown Fig. 4-4-19 and lift the Lever Up/ Down Ass'y.

2) Lift the Gear Center Ass'y.

Assembly :

1) Insert the Lever Up/Down Ass'y into the rectangular hole in Main Base as shown in Fig 4-4-20.

2) Lift the Lever Up/Down Ass'y approximately 35°. (Refer to Fig 4-4-20)

3) Insert the Ring of Gear Center Ass'y into the Guide of Lever Up/Down Ass'y.

4) Insert the Gear Center Ass'y into the post on Main Base.

5) Push down the Lever Up/Down Ass'y to lock of the Hook.

Note :

Be sure to confirm that Ring of Gear Center Ass'y is between the Guides of Lever Up/Down Ass'y after finishing assembly of Lever Up/Down Ass'y and Gear Center Ass'y.

1) LEVER UP/DOWN ASS`Y

2) GEAR CENTER ASS`Y

Fig. 4-4-19 Lever Up/Down Ass'y Removal

GEAR CENTER ASS'Y

GUIDE

LEVER UP/DOWN ASS'Y

RING

GEAR POST

HOOK

Fig. 4-4-20 Lever Up/Down Ass'y Removal

MAIN BASE

4 - 16

Page 54

Disassembly and Reassembly > VCR Deck Mechanism Disassembly

(17) Guide Cassette Door Removal

1) Lift the Guide Cassette Door slighly Hook [A].

2) Turn the Guide Cassette Door in the direction of arrow to release Hook [A].

2) GUIDE CASSETTE DOOR

Note:

1) HOOK [A]

After reinstalling, turn the Guide Cassette Door, making sure the Hook [A] locks in place.

Fig. 4-4-21 Guide Cassette Door Removal

(18) Lever Unit Pinch Ass'y, Plate Joint, Spring Pinch Drive Removal

1) Lift the Lever Unit Pinch Ass'y.

2) Remove the Plate Joint from Lever Unit Pinch Ass’y.

3) Remove the Spring Pinch Drive.

1) LEVER UNIT PINCH ASS`Y

Note :

1) Take extreme care so that no grease adheres the Roller Pinch.

2) When reinstalling, be sure to apply grease on the post pinch roller.

Fig. 4-4-22 Lever Unit Pinch Ass'y, Plate Joint, Spring Pinch Drive Removal

4 - 17

2) PLATE JOINT

3) SPRING PINCH DRIVE

Page 55

Disassembly and Reassembly > VCR Deck Mechanism Disassembly

(19) Lever #9 Guide Ass'y Removal

1) Remove the Spring #9 Guide.

2) Lift the Lever #9 Guide Ass'y in the direction of arrow “A” and “B”.

"A"

Note :

1) Take extreme care so that no grease adheres to the tape Guide Post.

2) After reinstalling, make sure the bottom of Post #9 Guide faces the top side of Main Base.

Fig. 4-4-23 Lever #9 Guide Ass'y Removal

1) SPRING #9 GUIDE

2) LEVER #9 GUIDE ASS`Y

"B"

(20) FE Head Removal

1) Rotate the FE head in the direction of arrow.

2) Lift the FE Head.

2) FE HEAD

Fig. 4-4-24 FE Head Removal

4 - 18

Page 56

Disassembly and Reassembly > VCR Deck Mechanism Disassembly

(21) ACE Head Removal

1) Pull out the FPC from the connector of ACE Head Ass'y.

2) Remove the screw.

3) Lift the ACE Head Ass'y.

1) CONNECTOR

3) HEAD ACE ASS`Y

2) SCREW

Fig. 4-4-25 ACE Head Removal

(22) Slider S, T Ass'y Removal

1) Move the Slider S, T Ass'y in the slots, and then lift them to remove. (Refer to arrow)

1) SLIDER S ASS`Y

1) SLIDER T ASS`Y

Fig. 4-4-26 Slider S, T Ass'y Removal

4 - 19

Page 57

Disassembly and Reassembly > VCR Deck Mechanism Disassembly

(23) Plate Ground Deck, Cylinder Ass'y Removal

1) Remove the 3 screws.

2) Lift the Plate Ground Deck.

3) Lift the Cylinder Ass'y.

Assembly :

1) Align the 3 holes in the bottom of Cylinder Ass'y with the 3 holes in Main Base, taking care not to drop or knock the Cylinder Ass'y.

2) Tighten the 1 screw.

3) Align the Plate Ground Deck with the Hole in Main Base.

4) Tighten the other 2 screws.

Note :

1) Take care not to touch the Cylinder Ass'y or tape guide post during reassembly.

2) When reinstalling, don't push down the Screw Driver with unreasonable force.

1) 3 SCREWS

2) PLATE GROUND DECK

3) CYLINDER ASS'Y

Fig. 4-4-27 Plate Ground Deck, Cylinder Ass'y Removal

(24) Hook Capstan, Belt Pulley Removal

1) Remove the Hook Capstan after releasing the Hook in the direction of arrow, as shown in detailed drawing.

2) Remove the Belt Pulley.

Note :

Take extreme care so that no grease adheres to the Belt Pulley during diassembly and reassembly.

2) BELT PULLEY

HOOK

1) HOOK CAPSTAN

Fig. 4-4-28 Hook Capstan, Belt Pulley Removal

4 - 20

Page 58

Disassembly and Reassembly > VCR Deck Mechanism Disassembly

(25) Motor Capstan Ass'y Removal

1) Remove the Hook Capstan after releasing the Hook in the direction of arrow, as shown in detailed drawing. (See Fig. 4-4-28)

2) Remove the 3 screws.

3) Remove the Motor Capstan Ass'y.

Assembly :

1) Align the 3 holes in Motor Capstan Ass'y with the 3 holes in Main Base. Be careful not to drop or knock the Motor Capstan Ass'y.

2) Tighten the 3 screws in the order shown in detailed drawing.

3) Assemble the Hook Capstan.

Note :

After tightening the screws, check if there is a gap between the screw heads and the top side of Main Base. There must be no gap between them. After reinstalling, adjust the tape transport system again.

2) 3 SCREWS

3) MOTOR CAPSTAN ASS'Y

Fig. 4-4-29 Motor Capstan Ass'y Removal

(26) Post #8 Guide Ass'y Removal

1) Rotate the Post #8 Guide Ass'y in the direction of arrow to lift it.

1) POST #8 GUIDE ASS'Y

Fig. 4-4-30 Post #8 Guide Ass’y Removal

4 - 21

Page 59

Disassembly and Reassembly > The table of cleaning, Lubrication and replacement time about principal parts

4-5 The table of cleaning, Lubrication and replacement time

about principal parts

1) The replacement time of parts is not life of parts.

2) The table 4-5-1 is that the VCR Set is in normal condition (normal temperature, normal humidity). The checking period may be changed owing to the condition of use, runtime and environmental conditions.

3) Life of the Cylinder Ass'y is depend on the condition of use.

4) See exploded view for location of each parts.

Table 4-5-1

A: Cleaning B : Check and replacement in necessary C : Add Oil

Parts Name

POST TENSION

SLANT POST S, T

#8 GUIDE SHAFT

CAPSTAN SHAFT

P E

#9 GUIDE POST

#3 GUIDE POST

P A

GUIDE ROLLER S, T

CYLINDER ASS'Y

FE HEAD

ACE HEAD

PINCH ROLLER

S T

POST REEL S, T

SLEEVE TENSION

POST CENTER

LEVER IDLE BOSS (2Point)

CAPSTAN MOTOR PULLEY

BELT PULLEY

HOLDER CLUTCH ASS'Y

GEAR CENTER ASS'Y

GEAR IDLE (2Point)

LOADING MOTOR

BAND BRAKE ASS'Y

BRAKE T ASS'Y

500 1000 1500 2000 2500 3000 3500 4000 4500 5000

AAAAAAAAAA

AAA B BB BB BB

AB BBBBBBBB

AAA B BB BB BB

AB BBBBBBBB

CCCCC

AAAAABBBBB

AB BBBBBBBB

BBBBBBBBB

Checking Period (h)

AAAAAAAA

BBBB BBB

Remark

- To clean the parts, use patch and alcohol (solvent).

- After cleaning, use the video tape after alcohol is gone away completely.

-We recommend to use oil [EP-56] or solvent.

-One or two drops of oil should be applied after cleaning with alcohol.

- Periodic time of applying oil (Apply oil after cleaning)

- The excessive applying oil may be the cause of malfunction.

4 - 22

Page 60

Adjustment

5-1 Set-up for Adjustment

(1) Test equipment/jigs necessary for adjustment

1) Dual-trace oscilloscope

2) Color bar generator

3) Monitor TV (with A/V jacks)

4) Alignment tapes

5) Guide roller screwdriver

6) Blank tape (VHS)

(2) Connections of test equipment

Connect the equipment as follows when otherwise not specified.

1) Connect a color bar generator to the video input 1 jack.

2) Connect a monitor TV to the video output 1 jack.

3) Connect a monitor TV (able to handle a stereo signal) to the audio output 1 jack.

(3) Cautions on adjustment

1) The following conditions apply when otherwise not specified. probe of oscilloscope: 10:1 Synchronization of oscilloscope: Internal sync

2) When performing more than one adjustment, follow the specified oder.

(4) List of Adjustment jigs

Alignment tape Guide roller screwdriver

Parts No. 7069064

5 - 1

Page 61

Adjustment > VCR Electrical Adjustment

5-2 VCR Electrical Adjustment

5-2-1 Reference

1) X-Value (Tracking center) adjustment and “Head switching adjustment” can be performed, using the remote control. (See Fig.5-2-1)

2) When replacing the VCR Main PCB Micom (IC601) and NVRAM (IC603 ; EEPROM), be sure to perform the “Head switching adjustment” and “NVRAM option setting”.

3) When replacing the cylinder ass’y, be sure to adjust the “X-Value” and perform “Head switching adjustment”.

4) How to adjust:

- Intermittently short-circuit the Test Points on VCR Main PCB with pincers to the adjustment mode. (Make sure that “TEST” appears in the display for approx. 5 seconds.)

- If the corresponding adjustment button is pressed while “TEST” is being displayed, the adjustment will be performed automatically.

- When adjustment is finished, turn power off to release the adjustment mode.

(1) Locations of reference buttons on remote control

Tracking Center Setting :

Head Switching Adjustment :

Operation method:

Press first, and then press .

100+

Do not simultaneously press them.

Fig. 5-2-1 Location of reference button of remote control

(2) TEST location for adjustment mode setting

AUDIO

REC MODE

PLAY LIST

MENU INPUT

MAIN MENU

MARKER

VCR Plus+

M.SKIP

DISC

NAVIGATION

TOP MENU

VCR

DVD

DUBBING

SURROUND

100+

1 2 3

4 5 6

7 8 9

CANCEL

TIMER

TIME SLIP

PLAY

STOP

SKIP

STEP

OPEN/

VCRDVD

DISPLAY

DVD

P in P

PAUSE

REC

Short-Circuit for few

seconds and release

(Just one time)

Fig. 5-2-2 Locations of Test points

5 - 2

VCR Main PCB

Page 62

Adjustment > VCR Electrical Adjustment

5-2-2 Head Switching Adjustment

1) Play back the alignment tape.

2) Intermittently short-circuit the two Test Points on VCR Main P.C.B while in the adjustment mode. Check that “TEST” appears in the display. (See Fig.5-2-2)

3) While “TEST” is being displayed, press the [1], [0] buttons: Remote control adjustment will operate automatically. (See Fig.5-2-1)

4) Turn power off to release the adjustment mode.

5-2-3 NVRAM Option Setting

1) NVRAM Option has been adjusted at the factory.

2) If the VCR Main P.C.B Micom (IC601) and NVRAM (IC603 ; EEPROM) are replaced, be sure to set the corresponding option number of the required model. (If the option is not set, the unit will not operate.)

Turn the recorder on with no disc or tape inserted, and then perform the following operations after the loading display disappears:

1) Hold down the SKIP/FR and FF/SKIP buttons on recorder simultaneously for approx. 10 seconds.

2) The message “Formatting is complete. Turn power off” will appear on the monitor screen.

3) Turn the recorder off.

5 - 3

Page 63

Adjustment > VCR Mechanism Adjustment

5-3 VCR Mechanism Adjustment

5-3-1 Tape Transport System and Adjustment Locations

The tape transport system has been adjusted precisely at the factory. Alignment is not necessary except for the following :

1) Noise observed on the screen.

2) Tape damage.

3) Parts replacement in the tape transport system.

The lower flange height of #8 guide post is used as a reference for transport adjustment. To maintain the height of the guide post and prevent damage, do not apply excessive force to the main base.

CYLINDER ASS'Y

SUPPLY GUIDE ROLLER (HEIGHT ADJUST)

TAKE-UP GUIDE ROLLER (HEIGHT ADJUST)

FULL ERASE HEAD

#3 GUIDE POST

TENSION POST

#8 GUIDE POST

SUPPLY REEL DISK

Fig. 5-3-1 Locations of Tape Transport Components

FULL ERASE HEAD

SUPPLY GUIDE ROLLER (HEIGHT ADJUST)

CYLINDER ASS'Y

TAKE-UP GUIDE ROLLER (HEIGHT ADJUST)

#8 GUIDE POST

PINCH ROLLER

#9 GUIDE POS

CAPSTAN

TAKE UP REEL DISK

PINCH ROLLER

#9 GUIDE POST

#3 GUIDE POST

ACE HEAD

Fig. 5-3-2 Tape Running

5 - 4

MAIN BASE

CAPSTAN

Page 64

Adjustment > VCR Mechanism Adjustment

5-3-2 Tape Transport System Adjustment

When parts are replaced, perform the required adjustments, referring to the procedures for adjusting the tape transport system. If there are any changes to the tape path, first run a T-120 (E-

120) tape and make sure that no excessive tape wrinkle occurs at the guide posts.

· If tape wrinkle is observed at the supply and take-up guide rollers, turn the supply and take-up guide rollers until wrinkle disappears. (See Fig. 5-3-1 and Fig. 5-3-2)

· If the tape wrinkle is still observed at the #8 guide post, perform the ACE head tilt adjustment.

(1) ACE Head Assembly Adjustment

a. ACE Head Height Adjustment

1) Play back the alignment tape.

2) Observe the surface of audio head using a dental mirror.

3) Turn screw (C) clockwise or counterclockwise until the gap between the lower tape edge and the lower edge of control head is approx. 0.25 mm. (See Fig. 5-3-3 and Fig. 5-3-4)

SCREW (A) TILT ADJUST

X-VALUE ADJUSTING SLIT

SCREW (B) AZIMUTH ADJUST

SCREW (C) HEIGHT ADJUST

SCREW (D) X-VALUE LOCKING

Fig. 5-3-3 Locations of ACE Head Adjustment Screws

AUDIO HEAD

VIDEO TAPE

CONTROL HEAD

0 ~ 0.25 mm

Fig. 5-3-4 ACE Head Height Adjustment

5 - 5

Page 65

Adjustment > VCR Mechanism Adjustment

b. ACE Head Tilt Adjustment

1) Play back a blank tape and observe the position of the tape at the lower flange of #8 guide post.

2) Confirm that there is no curl or wrinkle at the lower flange of #8 guide post as shown in Fig. 5-35 (B).

3) If a curl or wrinkle of the tape occurs, slightly turn tilt adjustment screw (A) on the ACE head ass’y. (See Fig. 5-3-3)

4) Reconfirm the ACE head height. (See section a. ACE Head Height Adjustment)

(A) (B)

Wrinkle or Curling

(BAD)

(GOOD)

Fig. 5-3-5 #8 Guide Post Check

c. Audio Azimuth Adjustment

1) Load alignment tape (Mono scope) and play back the 7 kHz signal.

2) Connect channel-1 scope probe to the audio output.

3) Adjust screw (B) to maximize the audio level. (See Fig. 5-3-3)

Lower flange

5 - 6

Page 66

Adjustment > VCR Mechanism Adjustment

d. ACE Head Position (X-Value) Adjustment

1) Play back the alignment tape (Color bar section).

2) Intermittently short-circuit the two Test Points on VCR Main P.C.B while in the adjustment mode. Check that “TEST” appears in the display. (See Fig.5-2-2)

3) While “TEST” is being displayed, press the [0], [5] buttons on remote control, and the adjustment will operate automatically. (See Fig. 5-2-1)

4) Connect the oscilloscope CH-1 probe to TP3 (ENVELOPE) and CH-2 probe to TP4 (Head S/WTrigger), and then trigger the oscilloscope from CH-2.

5) Slightly loosen the X-value securing screw (do not excessively loosen). (See Fig. 5-3-3)

6) Insert a flat-bladed screwdriver into the groove for X-value adjustment, and then adjust the Xvalue to maximize the CH-1 FM output.

7) Tighten the X-value securing screw.

8) Turn power off to release the adjustment mode.

Test point:

TP2 (Audio Output) TP3 (Envelope) TP4 (Head S/W-Trigger) TP5 (Control Pulse)

CONTROL PULSE

HEAD SWITCHING

ENVELOPE

AUDIO OUTPUT

Fig. 5-3-6 Locations of Test points (VCR Main P.C.B-Top View)

5 - 7

Page 67

Adjustment > VCR Mechanism Adjustment

(2) FM Output Flatness Adjustment (Supply and Take-up Guide Roller Adjustment)

1) Play back the alignment tape.

2) Connect the oscilloscope CH-1 probe to TP3 (ENVELOPE) and CH-2 probe to TP4 (Head S/WTrigger), and then trigger the oscilloscope from CH-2. (See Fig. 5-3-6)

3) Observe the FM envelope waveform, and confirm that amplitudes b, c and d are all at least 63% of the FM maximum amplitude (a in the figure). If these specifications are not satisfied, perform the following adjustments:

a=Maximum output of FM envelope. b=Minimum output of FM envelope at the entrance side. c= Minimum output of FM envelope at the center point. d=Maximum output of FM envelope at the exit side.

c,b,d/a

63%

Fig. 5-3-7 FM Envelope Waveform

4) If there is a drop in amplitude of FM envelope on the entrance side, adjust the supply guide roller.

5) If there is a drop in amplitude of FM envelope on the exit side, adjust the take-up guide roller.

IDEAL ENVELOPE

Supply height too high

SUPPLY GUIDE ROLLER

Supply height too low

Take-up height too high

Take-up height too low

TAKE-UP GUIDE ROLLER

Fig. 5-3-8 Guide Roller Height Adjustment

5 - 8

Page 68

Adjustment > VCR Mechanism Adjustment

(3) Check Transitional Operation from RPS to Play

Check transition from RPS mode to play mode: Using a pre-recorded SP tape, make sure the entry side of envelope comes to the appropriate steady state within 3 seconds (as shown in Fig. 5-3-9). If the envelope waveform does not reach specified peak-to-peak amplitude within 3 seconds, adjust as follows:

1) Make sure there is no gap between the roller lower flange of supply guide and the tape. If there is a gap, turn the supply guide roller height adjustment screw until this gap is eliminated. (See Fig. 5-3-1 and Fig. 5-3-2)

2) Change the operation mode from RPS to play (again) and make sure the entrance side of envelope rises within 3 seconds.

ENTRANCE SIDE ENVELOPE

Fig. 5-3-9 Rise of FM Envelope when Operation Mode Changes from RPS to Play

(4) Envelope Check

1) Use T-120 (E-120) tape to perform recording and playback on the same machine.

2) Check the FM envelope waveform, and make sure that amplitudes A and B are equal. If this cannot be confirmed, check the cylinder, and replace it if necessary.

Fig. 5-3-10 FM Envelope Input and Output Levels

(5) Tape Wrinkle Check

1) Use T-160 (E-180) tape to perform recording and playback on the same machine.

2) Check for wrinkling of tape at each guide post in the playback, FPS, RPS and pause modes.

3) If excessive tape wrinkle is observed, perform the following adjustments in playback mode:

a) Tape wrinkle at guide rollers: (2) FM output flatness adjustment (supply/take-up guide roller

adjustments)

b) Tape wrinkle at lower flange of #8 guide post: (1) ACE head adjustment

5 - 9

Page 69

Adjustment > VCR Mechanism Adjustment

5-3-3 Reel Torque

1) The rotation of the capstan motor causes the holder clutch ass’y to rotate through the belt pulley.

2) The spring wrap PLAY/REV of holder clutch ass’y drives the supply/take-up disk reel through gear idler by rotation of gear center ass’y.

3) Brake is operated by slider cam in FF/REW mode.

4) The accurate driving force is transmitted by gears (Gear Center Ass’y).

NoteNote

Note : If the following specifications are not satisfied, replace the holder clutch ass’y, and then

NoteNote recheck.

MODE

Play

RPS (REV Picture Search)

Torque values in parentheses ( ) are indicated in the conventional unit.

TORQUE

4.12 ± 1.1 mN·m

(42 ± 11 g/cm)

14.22 ± 2.9 mN·m

(145 ± 30 g/cm)

Cassette Torquemeter

GAUGE

5 - 10

Page 70

Exploded View and Parts List

1234

6-1 Exploded Views

6-1-1 Cabinet Section

904

102

001 DVD Multi drive [Unit replacement]

903

104

903

904

Note: Components without any numbers in exploded views were

assigned as service parts as of the date of issue of this manual.

904

905

002 DVD Main PCB [Circuit board assembly replacement]

W004

904

107

(Cylinder)

905

W004

003 Jack PCB [Component replacement]

005 Front PCB [Component replacement]

004 VCR Main PCB [Component replacement]

W001

006 Key PCB [Component replacement]

105

106

101

W001

103

1 234

6 - 1

Page 71

1234

6-1-2 Deck Mechanism Section - Top view

107

T030

T031

T032

T013

T009

T008

T025

GREASE:TS-100G [Goandong]

OIL:EP-56 [Mitsubishi]

T016

W016

T010

T015

T007

T014

T023

T024

T003

T012

T028

T026

T020

T011

T027

W015

T002

W015

W201

T004

T033

T005

T029

T005 Rear side (Grease point)

T019

T021

T022

1 234

6 - 2

Page 72

1234

6-1-3 Deck Mechanism Section - Bottom view

GREASE:TS-100G [Goandong]

OIL:EP-56 [Mitsubishi]

T043 Rear side (Grease point)

T035 Rear side (Grease point) T041 Rear side (Grease point)

T046

T034

T045

T036

T037

T044

T035

T043

T006

T041

T042

T039

T038

T049

T047

T050

T048

T040

1 234

6 - 3

Page 73

6-2 Parts List

6-2-1 Mechanical Parts List

SYMBOL

001 TJ17971 DVD DRIVE ASSY 002 TJ17986 PWB ASSY DVD MAIN 003 TJ18386 PWB ASSY JACK 004 TJ18385 PWB ASSY MAIN 005 TJ18061 PWB ASSY FUNCTION

006 TJ18062 PWB ASSY KEY 101 TJ18388 CORD,POWER 102 TJ18387 PANEL,FRONT 103 TJ18384 CHASSIS,REAR 104 TJ17995 CASE,TOP

105 TJ17996 FAN 106 TJ17991 MECHA ASSY 107 TJ17992 CYLINDER ASSY T002 TJ18072 PLATE,DECK T003 TJ18073 MOTOR,LOADING

T004 TJ18074 GEAR,WORM T005 TJ18075 GEAR,FL T006 TJ18076 SPRING T007 TJ18077 PLATE,JOINT T008 TJ18078 SLIDER,SUPPLY ASSY

T009 TJ18079 SLIDE,TAKE UP T010 TJ18081 HEAD,AC T011 TJ18082 LEVER,GUIDE T012 TJ18083 SPRING T013 TJ18084 HEAD,FE

T014 TJ18085 LEVER,FL T015 TJ18086 PINCH UNIT T016 TJ18087 POST,GUIDE ASSY T019 TJ18088 REEL,DISK(S) T020 TJ18089 REEL,DISK(T)

T021 TJ18091 LEVER,IDLER T022 TJ18092 GEAR,IDLE T023 TJ18093 LEVER,TENSION T024 TJ18094 SPRING T025 TJ18095 BAND,BRAKE

T026 TJ18096 LEVER,BRAKE(S) T027 TJ18097 LEVER,BRAKE(T) T028 TJ18098 SPRING T029 TJ18099 SLIDER,FL T030 TJ18101 HOLDER,FL

T031 TJ18102 SPRING T032 TJ18103 LEVER,FL ARM T033 TJ18104 GUIDE,CASS T034 TJ18114 GEAR,JOINT T035 TJ18115 GEAR,JOINT

T036 TJ18107 BRACKET,GEAR T037 TJ18113 SLIDER,CAM T038 TJ18112 LEVER,PINCH T039 TJ18119 HOOK,CAPSTAN T040 TJ18111 LEVER,TENSION

T041 TJ18116 GEAR,LOADING T042 TJ18122 LEVER,LOADING(S) ASSY T043 TJ18123 LEVER,LOADING(T) ASSY T044 TJ18121 MOTOR.CAPSTAN T045 TJ18105 CABLE,FLAT

T046 TJ18118 BELT,PULLEY T047 TJ18108 HOLDER,CLUTCH T048 TJ18117 GEAR,CENTER T049 TJ18106 WASHER T050 TJ18109 LEVER,UP DOWN

P-NO DESCRIPTION

MECHANISM SECTION

SYMBOL

901 TJ18294 SCREW(M3,L6) 903 TJ18293 SCREW(M3,L12) 904 TJ18292 SCREW(M3,L10) 905 TJ18288 SCREW(M5,L14) W001 TJ18127 SCREW(M3,L10)

W004 TJ18128 SCREW(M3,L8) W006 TJ18129 SCREW W015 TJ18131 SCREW(M3.0,L6.0) W016 TJ18132 SCREW(M2.6,L5.6) W201 TJ18133 SCREW(M3,L3.3)

P-NO DESCRIPTION

ACCESSORIES

TS18973 REMOTE HAND SET TJ17984 CORD,AV TJ17985 CORD,RF

6 - 4

Page 74

6-2-2 Electrical Parts List

SYMBOL

AD1 TJ18141 DIODE DAN202K AD2 TJ18141 DIODE DAN202K AD5 TJ18141 DIODE DAN202K AIC4 TJ18144 IC AMP4560 AIC5 TJ18144 IC AMP4560

AQ1 TJ18146 TRANSISTOR NPN,200MW AQ2 TJ18147 TRANSISTOR KSR2103 AQ3 TJ18181 TRANSISTOR KSC1623 AQ4 TJ18146 TRANSISTOR NPN,200MW AQ5 TJ18147 TRANSISTOR KSR2103

AQ6 TJ18181 TRANSISTOR KSC1623 AQ7 TJ18146 TRANSISTOR NPN,200MW AQ8 TJ18147 TRANSISTOR KSR2103 ATCN1B TJ18291 CABLE 40P AVIO TJ18224 JACK 1P

AZ1 TJ18357 ZENER DIODE UDZ9.1B AZ2 TJ18357 ZENER DIODE UDZ9.1B AZ3 TJ18357 ZENER DIODE UDZ9.1B AZ4 TJ18357 ZENER DIODE UDZ9.1B BD01 TJ18309 DIODE GBJ2J

BD1S01 TJ18341 COIL CN01 TJ18303 CONNECTOR 33P CN01B TJ18311 CABLE 33P CN02 TJ18303 CONNECTOR 33P CN02B TJ18311 CABLE 33P

CN03 TJ18199 CONNECTOR 4P CN03B TJ18322 CONNECTOR,LEAD CN04 TJ18307 CONNECTOR 2P CN1S01 TJ18194 CONNECTOR 2P CN3 TJ18295 CONNECTOR 30P

CN301 TJ18302 CONNECTOR 10P CN302 TJ18308 CONNECTOR,SOCKET CN303 TJ18304 CONNECTOR 6P CN303B TJ18301 CABLE 6P CN4 TJ18295 CONNECTOR 30P

CN5 TJ18305 CONNECTOR CN604 TJ18305 CONNECTOR CN7 TJ18154 JACK 4P CN701 TJ18306 CONNECTOR 8P CN702 TJ18335 CONNECTOR 8P

CORD TJ18382 CORD,POWER(HOUSING) D1P101 TJ18344 DIODE 1N4148 D1P102 TJ18344 DIODE 1N4148 D1P103 TJ18344 DIODE 1N4148 D1P104 TJ18381 DIODE 1N5408

D1P105 TJ18156 DIODE 1N4002 D1P106 TJ18156 DIODE 1N4002 D1P107 TJ18156 DIODE 1N4002 D1P108 TJ18156 DIODE 1N4002 D1S05 TJ18218 DIODE UF4007

D1S06 TJ18344 DIODE 1N4148 D1S07 TJ18203 DIODE F1T4 D1S30 TJ18204 DIODE SRAF560 D1S31 TJ18204 DIODE SRAF560 D1S32 TJ18204 DIODE SRAF560

D1S33 TJ18204 DIODE SRAF560 D1S34 TJ18203 DIODE F1T4 D1S35 TJ18205 DIODE SHG2D D1S37 TJ18203 DIODE F1T4 D501 TJ18141 DIODE DAN202K

D601 TJ18344 DIODE 1N4148 D605 TJ18344 DIODE 1N4148 D701 TJ18344 DIODE 1N4148 D702 TJ18344 DIODE 1N4148 D703 TJ18344 DIODE 1N4148

P-NO DESCRIPTION

Note: Although some parts in the schematic diagrams have different names

from those in the parts list, there is no problem in replacing parts.

SYMBOL

D704 TJ18344 DIODE 1N4148 DOIC1 TJ18143 IC M74HCU04 DOL1 TJ18358 FILTER DOL3 TJ18256 INDUCTOR 10UH DOZ1 TJ18357 ZENER DIODE UDZ9.1B

DOZ2 TJ18357 ZENER DIODE UDZ9.1B DT701 TJ18323 LED,DISPLAY F1S01 TJ18189 FUSE 250V 1.6A FC1S01 TJ18221 FUSE FC1S02 TJ18221 FUSE

FJACK1 TJ18337 CONNECTOR 27P FJACK2 TJ18337 CONNECTOR 27P FJACKB TJ18336 CABLE 27P GP601 TJ18329 SHIELD CASE IC1P01 TJ18318 IC REG 7812

IC1P02 TJ18208 IC KA78R12 IC1P03 TJ18319 IC REG G9105 IC1P05 TJ18321 IC REG G9205 IC1P06 TJ18319 IC REG G9105 IC1P07 TJ18208 IC KA78R12

IC1S01 TJ18215 IC ICE2BS01 IC1S02 TJ18195 PHOTO COUPLER IC1S03 TJ18201 IC KA431Z IC301 TJ18371 IC LA71207 IC4M01 TJ18369 IC LA72670M-MPB

IC501 TJ18369 IC LA72670M-MPB IC601 TJ18367 IC MM101DF10G IC603 TJ18317 IC S524A40X IC6B1 TJ18348 IC PST572K IC701 TJ18368 IC PT6959

IC801 TJ18359 IC LA7274M JACK1 TJ18297 JACK 6P JK801 TJ18298 JACK 6P L1P02 TJ18349 INDUCTOR 100UH L1P101 TJ18349 INDUCTOR 100UH

L1S02 TJ18312 FILTER L1S30 TJ18212 COIL L1S31 TJ18212 COIL L1S32 TJ18339 COIL L301 TJ18341 COIL

L305 TJ18341 COIL L306 TJ18227 INDUCTOR 15000UH L307 TJ18349 INDUCTOR 100UH L308 TJ18352 INDUCTOR 47UH L4M01 TJ18338 INDUCTOR 100UH

L4M02 TJ18341 COIL L601 TJ18351 INDUCTOR 100UH L602 TJ18349 INDUCTOR 100UH L603 TJ18349 INDUCTOR 100UH L604 TJ18349 INDUCTOR 100UH

L701 TJ18349 INDUCTOR 100UH L801 TJ18363 INDUCTOR 100UH L802 TJ18363 INDUCTOR 100UH LD601 TJ18324 LED,IR LD601A TJ18315 HOLDER,LED

LS01 TJ18363 INDUCTOR 100UH MCON1 TJ18303 CONNECTOR 33P MCON2 TJ18303 CONNECTOR 33P PL3 TJ18256 INDUCTOR 10UH PT1SD1 TJ18334 TRANS,SWITCHING

PT601 TJ18327 PHOTO INTERRUPTER PT602 TJ18327 PHOTO INTERRUPTER Q1P103 TJ18213 TRANSISTOR GFP50N03 Q1P105 TJ18355 TRANSISTOR KSC2328A Q1P106 TJ18354 TRANSISTOR KSR2001

P-NO DESCRIPTION

6 - 5

Page 75

SYMBOL

Q1P107 TJ18145 TRANSISTOR KSC945 Q1P108 TJ18355 TRANSISTOR KSC2328A Q1P109 TJ18355 TRANSISTOR KSC2328A Q1P110 TJ18355 TRANSISTOR KSC2328A Q1S01 TJ18216 TRANSISTOR SPA04N60C3

Q302 TJ18148 TRANSISTOR KSA812 Q303 TJ18181 TRANSISTOR KSC1623 Q304 TJ18148 TRANSISTOR KSA812 Q305 TJ18356 TRANSISTOR KTC3203 Q306 TJ18148 TRANSISTOR KSA812

Q307 TJ18356 TRANSISTOR KTC3203 Q308 TJ18356 TRANSISTOR KTC3203 Q601 TJ18372 TRANSISTOR KSR1104 Q701 TJ18181 TRANSISTOR KSC1623 Q702 TJ18181 TRANSISTOR KSC1623

Q801 TJ18148 TRANSISTOR KSA812 QS01 TJ18148 TRANSISTOR KSA812 QS02 TJ18181 TRANSISTOR KSC1623 QS03 TJ18181 TRANSISTOR KSC1623 RM701 TJ18325 MODULE,REMOCON

S602 TJ18326 PHOTO TRANSISTOR SJACK TJ18296 JACK 4P SW602 TJ18333 SWITCH,REC SW603 TJ18332 SWITCH,MODE SW701 TJ18353 SWITCH,TACT

SW702 TJ18353 SWITCH,TACT SW703 TJ18353 SWITCH,TACT SW704 TJ18353 SWITCH,TACT SW705 TJ18353 SWITCH,TACT SW706 TJ18353 SWITCH,TACT

SW709 TJ18353 SWITCH,TACT SW710 TJ18353 SWITCH,TACT SW712 TJ18353 SWITCH,TACT SW713 TJ18353 SWITCH,TACT SW714 TJ18353 SWITCH,TACT

SW715 TJ18353 SWITCH,TACT SW721 TJ18353 SWITCH,TACT SW722 TJ18353 SWITCH,TACT TM401 TJ18299 TUNER BLOCK VIC1 TJ18362 IC LA73054

VL6 TJ18256 INDUCTOR 10UH VZ1 TJ18357 ZENER DIODE UDZ9.1B VZ10 TJ18357 ZENER DIODE UDZ9.1B VZ2 TJ18357 ZENER DIODE UDZ9.1B VZ3 TJ18357 ZENER DIODE UDZ9.1B

VZ4 TJ18357 ZENER DIODE UDZ9.1B VZ5 TJ18357 ZENER DIODE UDZ9.1B VZ6 TJ18357 ZENER DIODE UDZ9.1B VZ7 TJ18357 ZENER DIODE UDZ9.1B VZ8 TJ18357 ZENER DIODE UDZ9.1B

VZ9 TJ18357 ZENER DIODE UDZ9.1B XT301 TJ18343 CRYSTAL XT601 TJ18342 CRYSTAL ZD1P02 TJ18345 ZENER DIODE MTZJ12B ZD1P03 TJ18347 ZENER DIODE MTZJ9.1B

ZD1P04 TJ18346 ZENER DIODE MTZJ5.1B ZD1S01 TJ18202 ZENER DIODE MTZJ4.3B ZD1S02 TJ18219 ZENER DIODE MTZJ20B ZD401 TJ18187 ZENER DIODE UZP33B

P-NO DESCRIPTION

SYMBOL

P-NO DESCRIPTION

6 - 6

Page 76

SCHEMATIC,WIRING DIAGRAMS

S-1 Wiring Diagram

For schematic Diagram

- Resistors are in ohms, 1/8W unless otherwise noted.

Special note :

Most semiconductor devices are electrostatically sensitive and therefore require the special handling techniques described under the "Electrostatic Protection Measures" section of this service manual.

Note :

Do not use the part number shown on this drawing for ordering. The correct part number is shown in the parts list (may be slightly different or amended since this drawing was prepared).

Important safety notices :

Components identified with the mark have the special characteristics for safety. When replacing any of these components. Use only the same type.

4321 8765

DVD MAIN P.C.B

ATCN 1B

JACK P.C.B

1 2 3 4 5 6

FRONT P.C.B

FJACK2

7 8

9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

FJACK1

CN3

CN4

MCON1CN02

333231302928272625242322212019181716151413

987654321

121110

VCR MAIN P.C.B

4321

MCON2

333231302928272625242322212019181716151413

CN01

987654321

121110

8765

S - 1

Page 77

S-2 S.M.P.S Schematic Diagram (VCR Main P.C.B)

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Parts with Heat Sink

0.01(630V)

220P(1KV)

To POWER

0.01(P)

100nF

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Page 78

S-3 Power Schematic Diagram (VCR Main P.C.B)

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To DECK MECHANISM

To FAN MOTOR

1N5408

3PL

To Logic

From S.M.P.S

To MUX Connector (Jack P.C.B)MCON2

2PL

1AP

10HL

9HL

3HT

2HT

2AP

AL5V

1PL

L.M

PC9V

PC5V

To A/V Hi-Fi/MTS Logic

From Logic

From/To Hi-Fi/MTS

To A/V

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Page 79

S-4 Logic Schematic Diagram (VCR Main P.C.B)

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1PL

0.01

0.001

0.1

1HL

2HL

3HL

4HL

5HL

/MTS

2PL

To Power

3PL

0.01

0.0015

CN02

0.01

To CAPSTAN MOTOR

0.022 0.0471330P

0.01

0.1

0.015

0.01

To MUX CONNECTOR

0.01

1AL

0.1

0.01

100P

2AL

3AL

4AL

5AL

6AL

7AL

8AL

9AL

11AL

12AL

13AL

14AL

15AL

(JACK) MCON1

Key P.C.B

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Page 80

S-5 A/V Schematic Diagram (VCR Main P.C.B)

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0.01

0.047

0.1

0.01

0.0022

0.1

0.01

0.047

0.01

0.1

To CYLINDER

0.01 0.01

0.01

0.1

360P

0.0082

0.00180.015

470P

0.01

0.0022

560P

0.0082

0.01

0.0068

0.01

180P

0.01

0.1

1AP

2AP

POWER

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Page 81

S-6 Hi-Fi/MTS Schematic Diagram (VCR Main P.C.B)

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0.01

0.01 0.0047

0.033

0.1

0.01

0.1

0.01

0.0047

0.01

POWER

0.1

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Page 82

S-7 MUX & TM & A/V Input Schematic Diagram (Jack P.C.B)

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To VIDEO OUT

To MUX CONNECTOR

0.01

To MUX CONNECTOR

To VIDEO OUT

To AUDIO OUT

0.1

330P

0.1

To MUX CONNECTOR

100P

LINE IN 1

To MUX CONNECTOR

To FRONT/KEY (FRONT P.C.B) FJACK2

To VIDEO OUT

0.1

MUX

CONNECTOR

LINE OUT

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Page 83

S-8 MUX Connector Schematic Diagram (Jack P.C.B)

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To POWER(VCR MAIN) CN01 To LOGIC(VCR MAIN) CN02

DVD MAIN

P.C.B

To AUDIO OUT

MUX & TM &

A/V INPUT

To AUDIO OUT

To VIDEO OUT

To MUX & TM & A/V INPUT

0.1

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Page 84

S-9 Audio Out Schematic Diagram (Jack P.C.B)

To MUX & TM & A/V INPUT

To MUX CONNECTOR

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MUX

CONNECTOR

220

(To DVD MAIN)

0.1

0.0012

150P

0.1

220 220

0.1

0.0012

MUX

CONNECTOR

0.1

150P

0.1

220P220P

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Page 85

S-10 Video Out Schematic Diagram (Jack P.C.B)

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To MUX & TM & A/V INPUT

(To DVD MAIN)

To MUX CONNECTOR

220

220P

0.1

220P

DV-RV7000 Japan only

To MUX & TM & A/V INPUT

220P

220

0.1

220

220P

220

220P

220

220P

220

220P

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Page 86

S-11 Front/Key Schematic Diagram (Front P.C.B)

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MUX & TM & A/V INPUT

(JACK P.C.B)

DV JACK

PROGRE SSIVE

DISK OPEN/ CLOSE

POWER

CH-

AVIO

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Page 87

CIRCUIT BOARD DIAGRAMS

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C-1 VCR Main P.C.B

COMPONENT SIDE

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Page 88

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CONDUCTOR SIDE

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Page 89

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C-2 Jack P.C.B

COMPONENT SIDE

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Page 90

CONDUCTOR SIDE

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Page 91

C-3 Front P.C.B

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COMPONENT SIDE

CONDUCTOR SIDE

C-4 Key P.C.B

COMPONENT SIDE

CONDUCTOR SIDE

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Page 92

Block Diagram

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VHF/UHF

S-VIDEO

(FRONT)

RF Out

TM401

TM BLOCK

MTS IC

(LA72690)

VCR DECK (X-11)

DVD MULTI Drive(4.7GB)

1MB SRAM

K6F8016U3A-TF55

(512Kx16bit)

4MB FLASH AM29LV1DL

(2Mx16bit)

64MB DDR-SDRAM

K4H561638D

(16M x 16bit x 2ea)

DV-RV7000 Japan only

ATAPI

CVBS from TunerL/R from Tuner

D1/D2 VIDEO

TIC1

Video

Decoder

(TVP5146)

6CH AMP

CB/P CR/P

LA73054

DIC1

MPEG-2

VIC1

S-VIDEO

A/V CODEC (DMN-8602)

VIDEO

AUDIO/ VIDEO

DV JACK

LINE1

LINE2

IC801

LA7274/ SV1274

PIC1

IEEE1394PHY

(TSB41AB1)

AIC9 Audio A/D (PCM1802)

IC601

VCR Micom

(MN101D06F)

Front Panel

Key Input

Remocon

IC301

A/V 1-Chip

(LA71207)

(LA71670)

IC501

HI-FI

Audio D/A (PCM1753)

AIC1

IEC-958

DIGITAL AUDIO OUT

LINE OUT

R L

AUDIO OUT

COAXIAL

OPTICAL

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Page 93

DV-RF7U

TK No. 0417E

Digital Media Division,Tokai

Hitachi DVRF-7-U Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Table of contents

Safety Precaution for Repair

1-1 Cautions

1-2 Use of Solder for Repairs

1-3 Electrostatic Protection Measures

1-4 Cautions When Handling DVD Drive

1-5 Notes When Using Service Manual

General Description

2-1 Overview

2-1-1 Service method

2-1-2 Disc information

2-2 Features

2-3 Specifications

2-4 Major Differences from Previous Model

2-5 Function Differences from Previous Model

2-6 Names of Parts

2-7 List of Abbreviations and Terms for DVD Recorder

Details of Servicing and Troubleshooting

3-1 Details of Servicing

3-1-1 Removing Disc from Faulty Recorder

3-1-2 Removing Video Cassette from Faulty Recorder

3-1-3 Firmware

No Power Detected (standby LED OFF)

3-2 Troubleshooting

RECORD MODE DOESN'T OPERATE

FAST FORWARD DOESN'T OPERATE

NO SERVO LOCK

Tray repeats open/close operation

No Analog Audio Output

Disc loading error

No digital audio out

VIDEO output error

S-Video output error

Component output error

Progressive output error

Line1 Video Input Error

Line2 Video Input Error

Line2 S-Video Video Input Error

Disassembly and Reassembly

4-1 Order of Disassembly

4-2 Cabinet Disassembly

(1) Top Cover

(2) Front Panel

(3) Rear Panel and FAN Motor

(4) DVD Multi Drive

(6) Front P.C.B

(7) Deck Mechanism

(8) Key P.C.B and VCR Main P.C.B

4-3 VCR Deck Parts Locations

4-3-1 Top View

4-3-2 Bottom View

4-4 VCR Deck Mechanism Disassembly

(1) Holder FL Cassette Ass'y Removal

(2) Lever FL Arm Ass'y Removal

(3) Lever FL Door Removal

(4) Slider FL Drive, Gear FL Cam Removal

(5) Gear Worm Wheel Removal

(6) Cable Flat Removal

(7) Motor Loading Ass'y Removal

(8) Bracket Gear, Gear Joints 2, 1 Removal

(9) Gear Loading Drive, Slider Cam, Lever Load S, T Ass'y Removal

(10) Lever Pinch Drive, Lever Tension Drive Removal

(11) Lever Tension Ass'y, Band Brake Ass'y Removal

(12) Lever Brake S, T Ass'y Removal

(13) Gear Idle Ass'y Removal

(14) Disk S, T Reel Removal

(15) Holder Clutch Ass'y Removal

(16) Lever Up/Down Ass'y, Gear Center Ass'y Removal

(17) Guide Cassette Door Removal

(18) Lever Unit Pinch Ass'y, Plate Joint, Spring Pinch Drive Removal

(19) Lever #9 Guide Ass'y Removal

(20) FE Head Removal

(21) ACE Head Removal

(22) Slider S, T Ass'y Removal

(23) Plate Ground Deck, Cylinder Ass'y Removal

(24) Hook Capstan, Belt Pulley Removal