Emerson EWD70V5SK Manual de usuario

SERVICE MANUAL

DVD PLAYER

EWD70V5SK

SUPPLEMENT

This service manual shows only the differences between

the model EWD70V5SK and the original model EWD70V5.

All other information is described in the service manual

of the model EWD70V5.

TABLE OF CONTENTS

Cabinet Disassembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1-1

Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2-1

Schematic Diagrams / CBA’s and Test Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3-1

Wiring Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4-1

Packing Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5-1

Different parts from the original model (EWD70V5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6-1

1-1-1 E61S5DC

CABINET DISASSEMBLY INSTRUCTIONS

1. Disassembly Flowchart

This flowchart indicates the disassembly steps to gain

access to item(s) to be serviced. When reassembling,

follow the steps in reverse order. Bend, route, and

dress the cables as they were originally.

2. Disassembly Method

Note:

(1) Identification (location) No. of parts in the figures

(2) Name of the part

(3) Figure Number for reference

(4) Identification of parts to be removed, unhooked,

unlocked, released, unplugged, unclamped, or

desoldered.

P = Spring, L = Locking Tab, S = Screw,

CN = Connector

* = Unhook, Unlock, Release, Unplug, or Desolder

e.g. 2(S-2) = two Screws (S-2),

2(L-2) = two Locking Tabs (L-2)

(5) Refer to “Reference Notes.”

About tightening screws

When tightening screws, tighten them with the

following torque.

[1] Top Cover [2] Bottom Cover

[3] Front Assembly

[4] Reinforce Plate [5] Front Bracket

[6] DVD Main CBA Unit

[7] DVD Mechanism

[8] AV CBA

ID/

Loc.

No.

Part

Removal

Fig.

No.

Remove/*Unhook/

Unlock/Release/

Unplug/Desolder

Note

[1] Top Cover D1 2(S-1) ---

[2] Bottom

Cover D1 2(S-2) ---

[3] Front

Assembly D2 *6(L-1) ---

[4] Reinforce

Plate D2 2(S-3) ---

[5] DVD Main

CBA Unit D3

(S-4A), (S-4B),

*CN201, *CN301,

*CN401, *CN601,

*CN801

[6] DVD

Mechanism D3 4(S-5) 2

[7] AV CBA D4 (S-6), 4(S-7), *3(L-2) ---

↓

(1) ↓

(2) ↓

(3) ↓

(4) ↓

(5)

Screws Torque

(S-1), (S-2), (S-3),

(S-4A), (S-5), (S-6), (S-7) 0.45 ± 0.05 N·m

(S-4B) 0.38 ± 0.04 N·m

1-1-2 E61S5DC

Reference Notes

1. CAUTION 1: Electrostatic breakdown of the laser

diode in the optical system block may occur as a

potential difference caused by electrostatic charge

accumulated on cloth, human body etc., during

unpacking or repair work.

To avoid damage of pickup follow next procedures.

1) Short the three short lands of FPC cable with

solder before removing the FFC cable (CN201)

from it. If you disconnect the FFC cable

(CN201), the laser diode of pickup will be

destroyed. (Fig. D3)

2) Disconnect Connectors (CN301), (CN401),

(CN601) and (CN801). Remove two Screws

(S-4A) and (S-4B) and lift the DVD Main CBA

Unit. (Fig. D3)

2. CAUTION 2: When reassembling, confirm the

FFC cable (CN201) is connected completely. Then

remove the solder from the three short lands of

FPC cable. (Fig. D3)

3. How to eject a disc in emergency

Press and hold [EJECT] on the unit for more than

5 seconds.

Fig. D1

[1] Top Cover

[2] Bottom Cover

(S-1)

(S-2)

Fig. D2

[3] Front

Assembly

[4] Reinforce

Plate

(L-1)

(S-3)

1-1-3 E61S5DC

Fig. D3

(S-4A)

(S-4B)

(S-5)

(S-5) A

View for A

Short the three short lands by soldering.

(Either of two places.)

Connector

[5] DVD Main

CBA Unit

[6] DVD Mechanism

CN401

CN601

CN301

CN801

CN201

Fig. D4

(S-6)

(S-7)

[7] AV CBA

(L-2)

1-1-4 E61S5DC

3. How to Eject Manually

< Method 1 >

1. Remove the Bottom Cover.

2. Turn the unit over.

3. Insert the shaft less than a diameter of 3 mm (e.g. screwdriver) straightly into the opening as shown.

4. Turn the shaft along with the opening clockwise.

5. Repeat steps 3 and 4 until the tray will open.

6. Pull the tray slowly manually.

View for B

Turn the shaft along with

the opening clockwise.

Rear

Front

Opening

Shaft

(e.g. screwdriver)

Fig. D5-1

1-1-5 E61S5DC

< Method 2 >

1. Remove the Bottom Cover.

2. Turn the unit over.

3. Turn the gear A in the direction of the arrow below until the tray will open.

4. Pull the tray slowly manually.

View for B

Rear

Front

Gear A

Fig. D5-2

1-1-6 E61S5DC

When a disc cannot be ejected by method 1, follow the procedure below and remove the Chassis Cover.

< Method 3 >

1. Remove the Top Cover, the Front Assembly, and

the Reinforce Plate.

2. To remove the Chassis Cover, remove 4 Screws A

as shown in Fig. D6.

3. Remove a disc.

Reassembly note of the Chassis Cover:

1. Insert the pin A on the Chassis Cover into the hole

A on the Main Chassis as shown in Fig. D7.

2. Tighten 4 Screws A as shown in Fig. D6.

Chassis

Cover

Screws A

Disc

Screws A

Fig. D6

Chassis Cover

Pin A

Hole A Main Chassis

Fig. D7

1-3-1 E6N_SC

SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS

Standard Notes

WARNING

Many electrical and mechanical parts in this chassis

have special characteristics. These characteristics

often pass unnoticed and the protection afforded by

them cannot necessarily be obtained by using

replacement components rated for higher voltage,

wattage, etc. Replacement parts that have these

special safety characteristics are identified in this

manual and its supplements; electrical components

having such features are identified by the mark “#” in

the schematic diagram and the parts list. Before

replacing any of these components, read the parts list

in this manual carefully. The use of substitute

replacement parts that do not have the same safety

characteristics as specified in the parts list may create

shock, fire, or other hazards.

Notes:

1. Do not use the part number shown on these

drawings for ordering. The correct part number is

shown in the parts list, and may be slightly

different or amended since these drawings were

prepared.

2. All resistance values are indicated in ohms

(K = 103, M = 106).

3. Resistor wattages are 1/4W or 1/6W unless

otherwise specified.

4. All capacitance values are indicated in µF

(P = 10-6 µF).

5. All voltages are DC voltages unless otherwise

specified.

1-3-2 E6N_SC

LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON

THE FOLLOWING PAGES:

1. CAUTION:

FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE

SAME TYPE FUSE.

ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQES D'INCELE N'UTILISER

QUE DES FUSIBLE DE MÊME TYPE.

RISK OF FIRE-REPLACE FUSE AS MARKED.

2. CAUTION:

Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit.

If Main Fuse (F1001) is blown, first check to see that all components in the power supply circuit are not

defective before you connect the AC plug to the AC power supply. Otherwise it may cause some components

in the power supply circuit to fail.

3. Note:

1. Do not use the part number shown on the drawings for ordering. The correct part number is shown in the

parts list, and may be slightly different or amended since the drawings were prepared.

2. To maintain original function and reliability of repaired units, use only original replacement parts which are

listed with their part numbers in the parts list section of the service manual.

4. Voltage indications for PLAY and STOP mode on the schematics are as shown below:

5. How to read converged lines

6. Test Point Information

A V

This symbol means fast operating fuse.

Ce symbole represente un fusible a fusion rapide.

15.0

(2.5)

5.0

The same voltage for

both PLAY & STOP modes

Indicates that the voltage

is not consistent here.

PLAY mode

STOP mode

(Unit: Volt)

ABCD

1-B1

1-D3

AREA D3

AREA B1

1-D3

Distinction Area

Line Number

(1 to 3 digits)

Examples:

1. "1-D3" means that line number "1" goes to the line number

"1" of the area "D3".

2. "1-B1" means that line number "1" goes to the line number

"1" of the area "B1".

: Indicates a test point with a jumper wire across a hole in the PCB.

: Used to indicate a test point with a component lead on foil side.

: Used to indicate a test point with no test pin.

: Used to indicate a test point with a test pin.

1-5-1 E61S5CEX

PACKING EXPLODED VIEWS

X-5

X-7

X-4 X-3 X-2

X-6

X-1

X-8

S-2

S-4

SET

CELLOPHANE TAPE

X-13

S-1

S-11

S-2

A-7

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