Magnavox MSD804 Manual de usuario

SERVICE MANUAL

MSD804

DVD PLAYER &

VIDEO CASSETTE RECORDER

POWER

VIDEO AUDIO

REW F.FWD

STOP/EJECT

PLAY REC/OTR CHANNEL OUTPUT SELECT

VCR DVD DISC IN PLAY

REV/SKIP STOP PLAY SKIP/FWD

OPEN

REC TIMER REC

SUPPLEMENT

This service manual shows only the differences between

the model MSD804 and the original model EWD2204.

All other information is described in the service manual

of the model EWD2204.

IMPORTANT SAFETY NOTICE

Proper service and repair is important to the safe, reliable operation of all

Funai Equipment. The service procedures recommended by Funai and

describedinthisservice manualareeffectivemethods ofperformingservice

operations. Some of these service specialtools should be used when and as

recommended.

It is important to note that this service manual contains various CAUTIONS

and NOTICES which should be carefully read in order to minimize the risk of

personalinjurytoservicepersonnel.Thepossibilityexiststhatimproperser-

vice methods may damage the equipment. It also is important to understand

that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE. Funai could not

possibly know, evaluate and advice the service trade of all conceivable ways

in which service might be done or of the possible hazardous consequences

ofeachway.Consequently,Funaihasnotundertakenanysuchbroadevalua-

tion. Accordingly, a servicer who uses a service procedure or tool which is

not recommended by Funai must first use all precautions thoroughly so that

neither his safety nor the safe operation of the equipment will be jeopardized

bytheservicemethodselected.

TABLE OF CONTENTS

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

Schematic Diagrams / CBA’s and Test Points. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2-1

Wiring Diagram < VCR Section > . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3-1

Different parts from original model (EWD2204) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4-1

Manufactured under license from Dolby Laboratories. "Dolby" and

the double-D symbol are trademarks of Dolby Laboratories.

1-1-1

BLOCK DIAGRAMS <VCR SECTION>

Servo / System Control Block Diagram

H9670BLS

MOTOR

SENSOR CBA

CAPSTAN MOTOR

CONTROL

HEAD

CL504

CN502

CN504

AC HEAD ASSEMBLY

MAIN CBA

KEY- 2

RF-SW

C-FG

C-CONT

D-PFG

ST-S

T-REEL

C-F/R

KEY- 1

D-V SYNC

C-SYNC

V-ENV

CTL(+)

RESET

C-ROTA

D-REC-H D-REC-H

REC-

SAF-SW

PG-DELAY

A-MUTE-H A-MUTE-H

RF-SW

D-V SYNC

C-SYNC

V-ENV

C-ROTA

END-S

IC501

(SERVO/SYSTEM CONTROL)

CTL

CTL(-)

LM-FWD/REV

D-CONT

(DECK ASSEMBLY)

END-S

T-REEL

ST-S

Q504

Q503

Q501

RESET

Q506

SW-POINT

AL+5V

VR501

TIMER+5V

TP506 TP505

END-S

TP507

P-ON-L

P-DOWN-L

H-A-SW

H-A-SW H-A-COMP

H-A-COMP

OUTPUT SELECT

YCA-SCL

YCA-SDA

YCA-CS

YCA-SCL

YCA-SDA

YCA-CS

YCA-SCL

YCA-SDA

YCA-CS

SW511

REC SW

TO VIDEO

BLOCK DIAGRAM

TO AUDIO

BLOCK DIAGRAM

WF12

WF13

CLOCK

DATA

TU701(TUNER UNIT)

VCR/TV

DVD-H IND

TIMER-IND

REC-IND

D567 DVD

D566 VCR

D564 TIMER

D565 REC

D561

SW518

POWER

D571 POWER

AL+5V

Q563

Q565

Q566

Q567

P-ON+9V CN508CN509

LD-SW

AL+12V(1)

AL+5V

DVD-L IND

AL+5V

SW512

AL+18V

P-ON+5V

LD-SW

AL+5V

D555

S-LED

TO POWER

SUPPLY

BLOCK DIAGRAM

IIC-BUS SCL

VCR/TV

IIC-BUS SDA

KEY SWITCH

TP502

P-ON+9V

S-INH

CAPSTAN

MOTOR

5 CTL(+)

6 CTL(-)

AL+12V(1)

P-ON+5V

C-FG

C-F/R

C-CONT

GND

LM-FWD/REV

D-CONT

D-PFG

GND

AL+12V

AL+18V

TP513

CTL

OUTPUT-SELECT

DVD-POWER

TO DVD SYSTEM

CONTROL BLOCK

DIAGRAM

REMOTE-VIDEO

CYLINDER ASSEMBLY

DRUM

MOTOR

SENSOR

POWER-LED

22KEY-1

POWER SW CBA

1-2-1 D5-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 replace-

ment 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 fea-

tures 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 speci-

fied in the parts list may create shock, fire, or other

hazards.

Notes:

1. Do not use the part number shown on these draw-

ings 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 other-

wise specified.

4. All capacitance values are indicated in µF

(P=10-6 µF).

5. All voltages are DC voltages unless otherwise

specified.

1-2-2 SC_09

A V

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 MEMO 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. Mode: SP/REC

5. Voltage indications for PLAY and REC modes on the schematics are as shown below:

6. How to read converged lines

7. Test Point Information

This symbol means fast operating fuse.

Ce symbole represente un fusible a fusion rapide.

2315.0

(2.5)

PLAY mode

STOP mode

5.0

The same voltage for

both PLAY & STOP modes Indicates that the voltage

is not consistent here.

< DVD Section >

2315.0

(2.5)

< >

PLAY mode

REC mode

DVD mode

5.0

The same voltage for

both PLAY, REC & DVD

modes Indicates that the voltage

is not consistent here.

< VCR Section >

Unit: Volts

1-D3

Distinction Area

Line Number

(1 to 3 digits)

Examples:

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

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

ABCD

1-B1

1-D3

AREA D3

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.

DVD AUDIO SIGNAL

PB AUDIO SIGNAL

DVD VIDEO + PB VIDEO SIGANL

REC AUDIO SIGNAL

REC VIDEO SIGNAL

Main 2/8 & Sensor Schematic Diagram < VCR Section >

1-2-3 1-2-4 H9670SCM2

MAIN 2/8

Ref No. Position

Q503 L-1

Q504 L-1

Q563 H-3

Q565 H-3

Q566 H-3

Q567 I-3

TP502 I-4

TP506 K-1

TP507 K-1

TRANSISTORS

TEST POINTS

TO SENSOR CBA

(START-SENSOR)

SW-P

VR501

CTL

TP513

RF-SW

TP302

WF2

C-PB

TP301

WF3

V-OUT

TP751

WF1

S-INH

TP502

TO SENSOR CBA

(END-SENSOR)

Note:

L1004 is positioned on the Cathode

side of D1011 as shown below.

D1011 L1004

1-2-5 BH9600F01012A

1-2-6

NOTE :

The voltage for parts in hot circuit is measured

using hot GND as a common terminal.

BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER

SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED.

ALSO , IN ORDER TO HAVE THE ABILITY TO INCREASE THE INPUT

SLOWLY , WHEN TROUBLESHOOTING THIS TYPE POWER SUPPLY

CIRCUIT , A VARIABLE ISOLATION TRANSFORMER IS REQUIRED.

A V

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.

"This symbol means fast operating fuse."

"Ce symbole reprèsente un fusible à fusion rapide."

CAUTION !

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

If Main Fuse (F1001) is blown, 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.

Main CBA Top View

BHF300F01011A

BHF300F01011B

BH9600F01012B

Sensor CBA Top View

Power SW CBA

Top View

BH9600F01012C

DVD Open/Close

CBA Top View

WF6

R1402

PIN 2 OF

TU701

WF10

PIN 6 OF

TU701

WF11

PIN 11 OF

TU701

WF12

PIN 12 OF

TU701

WF13

PIN 14 OF

TU701

WF14

PIN 18 OF

TU701

WF15

1-2-7 1-2-8

Main CBA Bottom View

NOTE :

The voltage for parts in hot circuit is measured

using hot GND as a common terminal.

CAUTION !

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

If Main Fuse (F1001) is blown, 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.

BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER

SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED.

ALSO , IN ORDER TO HAVE THE ABILITY TO INCREASE THE INPUT

SLOWLY , WHEN TROUBLESHOOTING THIS TYPE POWER SUPPLY

CIRCUIT , A VARIABLE ISOLATION TRANSFORMER IS REQUIRED.

A V

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.

"This symbol means fast operating fuse."

"Ce symbole reprèsente un fusible à fusion rapide."

BH9600F01012A

WF7

PIN 14 OF

CN1601

WF5

PIN 10 OF

CN1601

WF4

PIN 8 OF

CN1601

WF8

PIN 16 OF

CN1601

WF9

PIN 19 OF

CN1601

MAIN CBA

Ref No. Position

IC301 C-4

IC501 C-2

IC751 B-5

IC1001 F-5

IC1002 G-2

IC1004 G-2

IC1201 B-5

IC1402 E-4

Q031 F-5

Q052 F-3

Q055 F-2

Q056 F-2

Q057 F-2

Q301 C-3

Q302 C-3

Q303 C-3

Q391 D-5

Q421 D-4

Q422 C-4

Q425 D-4

Q426 D-4

Q501 B-1

Q506 C-3

Q563 B-1

Q565 B-1

Q566 F-1

Q567 E-1

Q762 B-5

Q763 B-5

Q1001 G-4

Q1003 G-4

Q1004 G-3

Q1005 G-1

Q1006 G-2

Q1008 G-5

Q1011 G-2

Q1201 F-5

Q1202 F-5

Q1204 D-5

Q1351 G-5

Q1385 C-5

Q2002 G-1

Q2013 G-1

CN253 B-4

CN501 A-5

CN502 E-3

CN504 D-4

CN509 A-1

CN1001 G-1

CN1601 E-4

CN2003 G-1

VR501 A-2

TP301 A-3

TP302 A-3

TP502 E-1

TP505 A-3

TP506 F-3

TP507 A-3

TP513 A-2

TP751 F-5

TP753 E-5

TP754 F-5

TEST POINTS

ICS

TRANSISTORS

CONNECTORS

VARIABLE RESISTOR

WIRING DIAGRAM < VCR SECTION >

H9670WI

1-3-1

AC HEAD ASSEMBLY

AUDIO HEAD

AUDIO

ERASE HEAD

CONTROL HEAD

MOTOR

CYLINDER ASSEMBLY

AE-H1

AE-H/FE-H2

A-COM3

A-PB/REC4

CTL(+)5

CTL(-)6

Hi-Fi-A(R)7

Hi-Fi-COM8

Hi-Fi-A(L)9

V-COM5

V(R)-26

V(R)-11

V-COM2

V(L)-2

3 V(L)-1

P-ON+5V

1 AL+12V(1)

C-F/R

3 C-FG

C-CONT5

GND

LM-FWD/REV

D-CONT8

D-PFG9

GND

AL+12V

AL+18V12

FE-H1

FE-H GND2

CN501

CN502

CN504

CN253 CN2003 W011

W012

CN2002

EV+1.2V

EV+3.3V

P-ON+3.3V

P-ON+5V

EV+11V

GND

CN1001

GND

PWRCON

GND

VODEO-Cr

GND

VIDEO-Cb

VIDEO-Y

GND

VIDEO-C

GND

DVD-A-MUTE

CN1601

DVD-A(R)-MUTE

DVD-A(L)

AUDIO+5V

DVD-A(R)

AUDIO+5V

SPDIF

REMOTE

DVD-POWER 23

DVD-PLAY

DVD-OPEN/CLOSE 24

DVD-STOP 26

CAPSTAN MOTOR

FULL

ERASE HEAD

FE HEAD

VIDEO

(R)1

HEAD

VIDEO

(L)1

HEAD

VIDEO

AUDIO

FRONT

VIDEO

(L)2

HEAD

VIDEO

(R)2

HEAD

Hi-Fi AUDIO

(R) HEAD

Hi-Fi AUDIO

(L) HEAD

DRUM

MOTOR

SENSOR

MAIN CBA

(BH9600F01012A)

(DECK ASSEMBLY)

SENSOR CBA

(BHF300F01011A,B)

DVD OPEN/CLOSE CBA

(BH9600F01012C)

SENSOR CBA

(BHF300F01011A,B)

TO WIRING

DIAGRAM

TO DVD

MAIN CBA

UNIT CN401

TO DVD

MAIN CBA

UNIT CN601

ANT-IN

ANT-OUT

VIDEO

OUT

AUDIO

VIDEO

AUDIO

OUT (R)

AUDIO

OUT (L) VIDEO-Y

VIDEO-

AUDIO

OUT (R)

S-VIDEO

OUT

AUDIO

OUT (L)

REAR

DIGITAL

AUDIO OUT

EV+3.3V

CN509 CN508

POWER SW CBA

(BH9600F01012B)

POWER-LED

KEY-1

GND

DVD-OPEN/CLOSE

AC CORD

CAPSTAN

MOTOR

DVC-860E

(W002)

(W006)

PLAY

SKIP-DOWN

DISC IN-L

SKIP-UP

20040422 1-4-1 H9670PL

Different parts from original model (EWD2204)

Ref. No. Description Parts No.

MECHANICAL PARTS

A1X FRONT ASSEMBLY H9670UD 1VM220065

A8 CASSETTE DOOR H9670UD 0VM306915

A10#RATING LABEL(2 FACTORY) H9670UD or ---------

#RATING LABEL(3 FACTORY) H9670UD ---------

A14 LABEL, BAR CODE HB400UD or ---------

BARCODE LABEL H9670UD ---------

A18 TELEPHONE NO. LABEL H9670UD ---------

A19 Not Used

S1 GIFT BOX CARTON H9670UD 1VM320093

X1 REMOTE CONTROL UNIT 364/CZF05DD or NA509UD

REMOTE CONTROL UNIT 364/CZF05DD NA559UD

X20#OWNER'S MANUAL H9670UD 1VMN20107

ELECTRICAL PARTS

MCV CBA 1VSA10218

MAIN CBA ---------

D571 Not Used

SW501 Not Used

AC1001#AC CORD PB8K9F9110A-05A or WAC0172LW012

#AC CORD A0A0280-018 WAC0172LTE07

POWER SW CBA ---------

D561 LED(RED) 204HD/E NPQZ00204HDE

SW518 TACT SWITCH KSM0614B or SST0101HH013

TACT SWITCH SKQSAF001A or SST0101AL041

TACT SWITCH TC-1104(H=9.5) SST0101DNG01

2B13 BUSH, LED(E) H1600UD 0VM408832

W012 PARALLEL WIRE, 3P AWG26#2651/P2.0/100 WX1H9600-012

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