Symphonic DWT1304 Bedienungsanleitung

SUPPLEMENT

SERVICE MANUAL

This service manual supplement is for the ST413E/

6413TE/DWT1304/ST419E/6419TE changed IC

model, which are different from the previous ST413E/

6413TE/DWT1304/ST419E/6419TE model. For the

ST413E/6413TE/DWT1304/ST419E/6419TE changed

IC model, an “A” has been added to the end of the

model number on rating label in the rear. Refer to the

rating label illustration at right.

This service manual shows only the differences

between the model ST413E/6413TE/DWT1304/

ST419E/6419TE changed IC model and the previous ST413E/6413TE/DWT1304/

ST419E/6419TE model. All other information is described in the service manual of the

previous ST413E/6413TE/DWT1304/ST419E/6419TE model.

Subject: Change of IF Signal Process IC

Rating label

Suffix "A"

Example: ST419E

13″COLOR TELEVISION

ST413E/6413TE DWT1304

19″COLOR TELEVISION

ST419E/6419TE

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 de-

scribed in this service manual are effective methods of performing service

operations. Some of these service special tools 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

personal injury to service personnel. The possibility exists that improper

service methods may damage the equipment. It also is important to under-

stand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE. Funai

could not possibly know, evaluate and advice the service trade of all con-

ceivable ways in which service might be done or of the possible hazardous

consequences of each way. Consequently, Funai has not undertaken any

such broad evaluation. Accordingly, a servicer who uses a service proce-

dure or tool which is not recommended by Funai must first use all precau-

tions thoroughly so that neither his safety nor the safe operation of the

equipment will be jeopardized by the service method selected.

TABLE OF CONTENTS

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

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

ST413E changed IC model

Different parts from the previous version model (ST413E) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

6413TE changed IC model

Different parts from the previous version model (6413TE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

DWT1304 changed IC model

Different parts from the previous version model (DWT1304) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

ST419E changed IC model

Different parts from the previous version model (ST419E) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

6419TE changed IC model

Different parts from the previous version model (6419TE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

1-1

BLOCK DIAGRAMS

IF/Video/System Control Block Diagram

L2200XBLIF

73 75 16 63

SCL

CF31

CF32

VCO F/B Q31

AFT AGC-IN EXT-H

PROTECT-2

PROTECT-1

PROTECT-3

P-ON-H

SDA

TUNER

LINE

CRT/H.V. BLOCK

WH301A

CRT/H.V. BLOCK

WH301B

BLUE5

GREEN4

RED3

IC111

IC31 (IF SIGNAL PROCESS)

REMOTE

SENSOR

KEY

SWITCH

CHROMINANCE

PROCESS

CIRCUIT

LUMINANCE

PROCESS

CIRCUIT

H-SYNC

PROCESS

CIRCUIT

V-SYNC

PROCESS

CIRCUIT

VCXO

OSD

RGB MATRIX

/COLOR CONT

OSD SW

/CONTRAST

/BRIGHTNESS

RGB DRIVE

/CUT OFF

/H.V. BLK

LPF

ACL

H-DRIVE

FBP

V-DRIVE

V-RAMP-F/B

AUDIO/POWER

CONTROL BLOCK

POWER SUPPLY BLOCK

CRT/H.V. BLOCK

PROTECT-2

PROTECT-1

PROTECT-3

P-ON-H

KEY-IN2

KEY-IN1

RCV-IN

RCV101

JK701

VIDEO-IN

X301

3.58MHz

SAW

FILTER VIF

AMP

VIDEO

DET

VCO 4.5MHz

FILTER

LPF

IF AGC DET

AMP

AGC

AMP

AFT

4.5MHz

TRAP

DET

AMP

11 13 18

17 42

TU1

SF1

AGC

SDA

SCL

EXT.CLK

IC151

(MEMORY)

SCL 6

SDA 5

TU-AUDIO

MAIN CBA

VIDEO SIGNALRF/IF SIGNAL AUDIO SIGNAL

TV MICON/VIDEO

/AUDIO/CHROMA

/DEFLECTION

WF16

WF1

WF6

SCL

SDA

AUDIO/POWER

CONTROL BLOCK

WF2

PROTECT-2

PROTECT-1

SDA 4

I2C-OPEN 2

SCL 5

CN301(NO CONNECTION)

CN301 is used for

adjustment at factory

CS 72 I2C-OPEN

2-1 L13SC

SCHEMATIC DIAGRAMS / CBA'S AND TEST POINTS

Standard Notes

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 compo-

nents 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 characteris-

tics as specified in the parts list may create shock, fire, or other hazards.

Note:

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=10-6µF).

5. All voltages are DC voltages unless otherwise specified.

Note of Capacitors:

ML --- Mylar Cap. PP --- Metallized Film Cap. SC --- Semiconductor Cap. L --- Low Leakage type

Temperature Characteristics of Capacitors are noted with the following:

B --- ±10% CH --- 0±60ppm/°C CSL --- +350~-1000ppm/°C

Tolerance of Capacitors are noted with the following:

Z --- +80~-20%

Note of Resistors:

CEM --- Cement Res. MTL --- Metal Res. F --- Fuse Res.

Capacitors and transistors are represented by the following symbols.

(Top View) (Bottom View)

(Bottom View)

Electrolytic Capacitor

Transistor or Digital Transistor

NPN Transistor PNP Transistor

NPN Digital Transistor PNP Digital Transistor

(Top View)

E C B

Digital Transistor

CBA Symbols Schematic Diagram Symbols

E C B

(Top View)

E C B

2-2 L13SC

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

THE FOLLOWING PAGES:

1. CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME

TYPE_A,_V FUSE.

ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE DE_A,_V.

2. CAUTION:

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

If Main Fuse (F601) 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 pow-

er 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. Wire Connectors

(1) Prefix symbol "CN" means "connector" (can disconnect and reconnect).

(2) Prefix symbol "CL" means "wire-solder holes of the PCB" (wire is soldered directly).

5. Voltage indications on the schematics are as shown below:

Plug the TV power cord into a standard AC outlet.:

6. How to read converged lines

7. Test Point Information

231

5.0

Voltage Indicates that the voltage

is not consistent here.

(3.0) (3.0)

Power on mode

Power off mode

Unit: Volts

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.

2-3

Main 2/3 Schematic Diagram

L2200XSCM2

CAUTION !

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

If Main Fuse (F601) 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.

For continued protection against risk of fire,

replace only with same type 4 A, 125V fuse.

CAUTION ! :

ATTENTION : Utiliser un fusible de rechange de même type de 4A, 125V.

4A/125V

NOTE:

The voltage for parts in hot circuit is measured using

hot GND as a common terminal.

MAIN 2/3

Ref No. Position

IC31 I-3

IC601 I-1

Q31 H-4

Q601 J-2

Q602 J-1

Q662 I-1

Q671 H-2

Q675 H-1

Q676 H-1

Q681 G-2

Q682 G-1

Q683 G-1

CN691 K-2

VR661 H-1

TRANSISTORS

ICS

CONNECTOR

VARIABLE RESISTOR

*1 NOTE:

These components (C643, C642, JS642)

can be used in any models.

However, you cannot mix components under

Group A with the ones under Group B.

You can choose either Group.The difference

between Group A and Group B is shown below.

C643

C642

4700P/250V

0.01/250V

Not Used

WIRE

JS642

Group A Group B

2-4

FOCUS-VR

(UPPER SIDE)

SCREEN-VR

(LOWER SIDE)

GND

TP300

VR661

+B ADJ

TP601

CAUTION !

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

If Main Fuse (F601) 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.

For continued protection against risk of fire,

replace only with same type 4 A, 125V fuse.

CAUTION ! :

ATTENTION : Utiliser un fusible de rechange de même type de 4A, 125V.

4A/125V

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.

Main CBA Top View

MAIN CBA

Ref No. Position

IC31 B-1

IC111 D-1

IC151 E-2

IC551 B-2

IC601 C-4

IC801 E-1

Q31 C-1

Q111 E-2

Q321 C-1

Q571 B-3

Q572 B-2

Q601 B-4

Q602 B-4

Q662 C-3

Q671 C-3

Q675 C-2

Q676 C-2

Q681 D-3

Q682 D-3

Q683 D-3

CN571 A-3

CN691 C-4

CN801 D-1

WH301A C-2

WH501A A-2

TP300 A-3

TP601 A-4

VR661 A-1

ICS

VARIABLE RESISTOR

CONNECTORS

TEST POINTS

TRANSISTORS

BL2300F01011-1

2-5

Q571

Base

WF8

PIN 4

OF CN571

WF12

WF9

PIN 1

OF CN571

PIN 3

OF WH501A

WF10

PIN 7

OF IC551

WF11

Q572

Collector

WF7

WF1

PIN 2

OF IC31

WF6

PIN 9

OF IC31

WF2

PIN 14

OF IC111

PIN 8

OF TU1

WF16

Main CBA Bottom View

For continued protection against risk of fire,

replace only with same type 4 A, 125V fuse.

CAUTION ! :

ATTENTION : Utiliser un fusible de rechange de même type de 4A, 125V.

4A/125V

CAUTION !

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

If Main Fuse (F601) 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.

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.

BL2300F01011-1

2-6

WF15

Q501

Collector

Q501

Base

WF3

WF14

Q502

Collector

Q502

Base

WF4

WF13

Q503

Collector

Q503

Base

WF5

BL2300F01011-2

CRT CBA Top View CRT CBA Bottom View

CRT CBA

Ref No. Position

Q501 B-2

Q502 B-2

Q503 B-2

CN501 A-1

WH301B B-1

WH501B B-1

TRANSISTORS

CONNECTORS

3-1 L2200XPL

ST413E changed IC model

Different parts from the previous version model (ST413E)

6413TE changed IC model

Different parts from the previous version model (6413TE)

DWT1304 changed IC model

Different parts from the previous version model (DWT1304)

Ref. No. Description Part No.

MECHANICAL PARTS

A4#RATING LABEL L2200XA ----------

S6 SERIAL NO. LABEL L2200XA ----------

ELECTRICAL PARTS

MMA CBA 0ESA05976

MAIN CBA ----------

C38 Not Used

C609 CERAMIC CAP. B K 1000pF/2KV CCD3DKD0B102

IC31 IC:VIF/SIF M61113FP TF0G QSZBA0SHT035

R38#CHIP RES.(1608) 1/10W J 12k ΩRRXAJB5Z0123

R132 Not Used

Ref. No. Description Part No.

MECHANICAL PARTS

A4#RATING LABEL L2201XB ----------

S6 SERIAL NO. LABEL L2201XB ----------

ELECTRICAL PARTS

MMA CBA 0ESA05976

MAIN CBA ----------

C38 Not Used

C609 CERAMIC CAP. B K 1000pF/2KV CCD3DKD0B102

IC31 IC:VIF/SIF M61113FP TF0G QSZBA0SHT035

R38#CHIP RES.(1608) 1/10W J 12k ΩRRXAJB5Z0123

R132 Not Used

Ref. No. Description Part No.

MECHANICAL PARTS

A4#RATING LABEL L2204XE ----------

S6 SERIAL NO. LABEL L2204XE ----------

ELECTRICAL PARTS

MMA CBA 0ESA05976

MAIN CBA ----------

C38 Not Used

C609 CERAMIC CAP. B K 1000pF/2KV CCD3DKD0B102

IC31 IC:VIF/SIF M61113FP TF0G QSZBA0SHT035

R38#CHIP RES.(1608) 1/10W J 12k ΩRRXAJB5Z0123

R132 Not Used

Dieses Handbuch passt für folgende Modelle

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