Mitsubishi Electric DD-6030 Bedienungsanleitung

MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.

9351 Jeronimo Rd. Irvine, CA 92618

Operating conditions: Temperature: 5°C to 35°C

Operation status: Horizontal

Video output: 1.0 V (p-p), 75Ω, negative

sync., pin jack x 1

S Video output: (Y) 1.0 V (p-p), 75Ω, nega-

tive sync., Mini DIN 4-pin x 1

ComponentVideo output: (Y) 1.0 V (p-p), 75Ω,

negative sync., pin jack x 1

(Cr, Pr)/(Cb, Pb) 0.7 V (p-p),

75Ω, pin jack x 2

Digital Audio output: (Bitstream/PCM) 0.5 V (p-p),

75Ω, pin jack x 1,

Optical connector x 1

Analog Audio output: 2.0 V (rms), 680Ω, pin jack

2 CH L R x 2,

CAUTION

Before servicing this chassis, it is important that the service person reads all SAFETY PRECAUTIONS and the

SAFETY NOTICE in this manual.

SPECIFICATIONS

Power Supply: 120V AC, 60 Hz

Power Consumption: 17W

Weight: 5.5 lb.

External Dimensions: 17"x 2-3/4"x8-7/8"

(W/H/D)

Signal System: Standard NTSC

Laser: Semiconductor laser,

wavelength 650nm/780nm

Frequency Range: (Digital Audio)

DVD Linear -

48 kHZ Sampling: 4 Hz to 22 kHz

96 kHZ Sampling: 4 Hz to 44 kHz

Signal-To-Noise Ratio: More than 112 dB (EIAJ)

Audio Dynamic Range: More than 108 dB (EIAJ)

Harmonic Distortion: Less than 0.002%

Wow and flutter: Below measurable level

(less than ± 0.001%

(W.PEAK)) (EIAJ)

Service

Manual

2002

MITSUBISH ELECTRIC

Model

DD-6030

DVD Player

SAFETY NOTICE

SAFETY PRECAUTIONS

LEAKAGE CURRENT CHECK

Plug the AC line cord directly into a 120VAC outlet (do

not use an isolation transformer for this check). Use an

AC voltmeter, having 5000 Ωper volt or more sensitivity.

Connect a 1500 Ω10 W resistor, paralleled by a 0.15 µF

150VAC capacitor between a known good earth ground

(water pipe, conduit, etc.) and all exposed metal parts of

cabinet (antennas, handle bracket, metal cabinet

screwheads, metal overlays, control shafts, etc.).

Measure theAC voltage across the 1500 Ωresistor.

The test must be conducted with the AC switch on and

then repeated with the AC switch off. TheAC voltage

indicated by the meter may not exceed 0.3 V.A reading

exceeding 0.3 V indicates that a dangerous potential

exists, the fault must be located and corrected.

Repeat the above test with the DVD VIDEO PLAYER

power plug reversed.

NEVER RETURN A DVD VIDEO PLAYER TO THE

CUSTOMER WITHOUT TAKING NECESSARY

CORRECTIVE ACTION.

READING SHOULD NOT EXCEED 0.3V

DVD VIDEO PLAYER AC VOLTMETER

(5000

per volt

or more sensitivity)

Good earth ground

such as a water pipe,

conduit, etc.

1500

10 W

0.15 µF 150V AC

AC OUTLET

Test all exposed metal.

Voltmeter Hook-up for Leakage Current Check

LASER BEAM CAUTION LABEL

When the power supply is turned on, you may not remove this laser caution label. If it is removed, laser radiation

may be recceived.

The lightning flash with arrowhead symbol, within an

equilateral triangle, is intended to alert the user to the

presence of uninsulated “dangerous voltage” within the

product’s enclosure that may be of sufficient magnitude to

constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is

intended to alert the user to the presence of important

operating and maintenance (servicing) instructions in the

literature accompanying the appliance.

SAFETY NOTICE

SECTION 1

GENERAL DESCRIPTIONS

SECTION 1

GENERAL DESCRIPTIONS

1MΩ

Ground conductive

wrist strap for body.

oldering iron

with ground wire

or ceramic type

Conductive mat The ground resistance

between the ground line

and the ground is less than 10Ω.

The Pickup Head consists of a laser diode that is very susceptible to external static electricity.

Although it may operate properly after replacement, if subjected to electrostatic discharge during replacement,

its life might be shortened. When replacing the laser diode, LSI's and IC's, use a conductive mat, soldering iron

with ground wire, etc. to protect against damage from static electricity.

1. PREPARATION FOR SERVICING

GENERAL DESCRIPTIONS

1-1

2. LOCATION OF MAIN PARTS AND MECHANISM PARTS

2-1. Location of Main Parts

Fig. 1-2-1

EU01 Main PC board

EU05 Output PC board

EU02 Power supply PC board

EU04 Power SW PC board

Loading otor PC board

Disc otor PC board Feed otor PC board

EU03 Front display PC board

2-2. Location of Mechanism Parts

2-2-1. Type A

Fig. 1-2-2 Mechanism chassis assembly (Top side)

Fig. 1-2-3 Mechanism chassis assembly (Bottom side)

Tra

Clamper sta

Loading moto

PC board

Mechanism chassis

Fig. 1-2-4 Mechanism chassis assembly (Internal side)

Loading belt

Loading motor

Cam Slide

Gea

Clamper

Fig. 1-2-5 Pickup mechanism chassis assembly (Top side)

Fig. 1-2-6 Pickup mechanism chassis assembly (Bottom side)

Rack gear

assembly

Gear A

Gear B assembly Sub chassis

Pickup assembly

Disc moto

eed motor

PC board

ront damper ront dampe

Rear dampe

Rear damper

2-2-2. Type B

Fig. 1-2-7 Mechanism chassis assembly (Top side)

Fig. 1-2-8 Mechanism chassis assembly (Bottom side)

Tra

Clamper sta

Loading moto

PC board

Mechanism chassis

Fig. 1-2-9 Mechanism chassis assembly (Internal side)

Loading belt

Loading motor

Kick lever

Cam Slide

Gea

Disc motor

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