FUNAI SYLVANA 6413TB Manual de usuario

SERVICE MANUAL

THIS SERVICE MANUAL (6413TB/TVK131/W6413TB) CONTAINS ONLY DIFFERENCE

PARTS FROM ORIGINAL MODEL. FOR ALL OTHER DATA, SEE ORIGINAL SERVICE MAN-

UAL MODELS ST413B.

13"COLOR TELEVISION

6413TB/TVK131/W6413TB

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 conceiv-

able ways in which service might be done or of the possible hazardous con-

sequences of each way. Consequently, Funai has not undertaken any such

broad evaluation. Accordingly, a servicer who uses a service procedure or

tool which is not recommended by Funai must first use all precautions thor-

oughly 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

Parts List............................................................................................................................................................... 3-1

L1302BLIF

BLOCK DIAGRAMS

1-1 1-2

VCXO

INV

V.RAMP

REF

FILTER

VERTICAL

COUNT

DOWN

RGB

EXT.

INPUT

X331

3.58MHz

HORIZONTAL

COUNT

DOWN

ADJ

DET

VCC

ADJ

RGB MATRIX

CONTRAST BRIGHT CLAMP

CLAMP

DELAY

BLK

WH301A TO WH301B

DRIVE

AMP

VIDEO

MUTE

VIDEO

TONE

BLACK

STRETCH

GAMMA

VCO

BGP

GENE.

KILLER

DET

CHROMA

BPF

V-SYNC

TRIG.

SYNC

SEPA

CHROMA

TRAP

VCO

ADJ 4.5MHz

TRAP

JK701

V-IN

FBP

H-DRIVE

ACL/ABL

CF301

4.5MHz

BPF

CF302

VIDEO

DET

VIF

AMP

SAW

FILTER

KEY

SWITCH

SF1

APC

DET

INTELLIGENT

MONITORING

ACC

DET

ACC

HPF

LPF

AFT

IC333 VIDEO/AUDIO/CHROMA/DEFLECTION/IF

VCO

LOCK DET

TUNER

LINE

CHROMA

APC DET

DEMODULATOR

AFC-2

AFC-1

H.COINCIDENCE

ELIMINATE

BUS

I/F

BUS

CONTROL

TUNER

LINE

TU1

AGC

TP301

AGC

SDA

SCL

EXT.CLK

TP300

GND

IC101 TV MICON

IC151

MEMORY

SW101-

SW106

V-SYNC

H-SYNC

OSD-R

OSD-G

OSD-B

C-VIDEO

KEY-IN

SDA

SCL

SDA

SCL

I2C-OPEN

V-DRIVE

V.RAMP NF

SDA 4

I2C-OPEN 2

INT.MONITOR

FM ANT.

SCL 5

CN301

CN101

(NO CONNECTION)

CN301 is used for

adjustment at factory

PROTECT-1

PROTECT-2

PROTECT1

PROTECT2

REMOCON

FROM/TO

CRT/H.V. BLOCK

OSD-BLK

6WF1

WF2

FROM/TO

CRT/H.V. BLOCK

TU AUDIO TO AUDIO/POWER

CONTROL BLOCK

CRT/H.V. BLOCK

BLUE5

GREEN4

RED3

WF16

IF/Video/System Control Block Diagram

VIDEO SIGNALRF/IF SIGNAL AUDIO SIGNAL

REMOTE

SENSOR

RCV101

P-ON-H

SDA

SCL

A-MUTE-H

A-MUTE-H 6

TO AUDIO/POWER

CONTROL

BLOCK

RESET25RESET

HPF

TRAP

IF AGC

RF AGC

QIF

AGC

QIF

DET

(TO FM ANT.) W6413TB

W6413TB

Audio/Power Control Block Diagram

MAIN CBA

AUDIO SIGNAL

WF6

1-3 1-4

LIMITER FM DET AF

AMP

IC801

IC333

(AMP)

Q831

JK801

EARPHONE

JACK

LINE

TUNER

NOTE FOR 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.)

TEST POINT INFORMATION

: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.

SCL

SDA

A-IN

TU AUDIO

P-ON-H

BACK UP

BUS

I/F

ATT 50

POWER ON

CONTROL

+5.7V 

REGULATOR

JK702

+5V CTRL

+5V CTRL2

+8V CTRL

BACKUP

CTRL

AUDIO

MUTE

A-MUTE-H

TO POWER SUPPLY

BLOCK

FROM/TO IF/VIDEO/

SYSTEM CONTROL

BLOCK

SP801

SPEAKER

CN801

7OUTPUT 1

FROM/TO IF/VIDEO

/SYSTEM CONTROL

BLOCK

FROM IF/VIDEO/

SYSTEM CONTROL

BLOCK

L1302BLA

P-ON-ON

RESET

BUS

CONTROL

VIDEO/AUDIO/CHROMA/DEFLECTION/IF

SP 1

SP-GND 1JS801

ST413B, F413TB

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 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 "

" inthe

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.

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 specifi

Note of Capacitors:

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

Temperature Characteristics of Capacitors are noted with the following:

B ---

±10% CH --- 0±60ppm/°C SL --- +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.

(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

Capacitors and transistors are represented by thefollowing symbols.

2-1 L1302SC

LILIST 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 (F001) 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. 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. Note: Mark "•" is a leadless (chip) component.

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

7. How to read converged lines

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".

8. Test Point Information

2315.0

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

: 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.

A V

2-2 L1302SC

2-3 L1302SCM1

Main 1/2 Schematic Diagram

2-4 2-5

MAIN 1/2

Ref No. Position

IC101 B-4

IC151 A-5

IC333 D-3

IC801 F-2

Q111 C-3

Q831 F-2

TP300 B-1

TP301 B-2

CN301 G-5

CN801 G-2

ICS

TRANSISTORS

TEST POINTS

CONNECTORS

IF SIGNAL

VIDEO SIGNAL

AUDIO SIGNAL

Main 2/2 & CRT Schematic Diagram

2-6 L1300SCM2

NOTE :

The voltage for parts in hot circuit is measured using

hot GND as a common terminal.

CAUTION !

Fixed voltage 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.

BECAUSE A HOT CHASSIS GROUND IS PRESENT INTHE POWER

SUPPLY CIRCUIT, AN ISOLATION TRANSFORMER MUST BE USED.

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

SLOWLY, WHEN TROUBLESHOOTINGTHIS TYPE POWER SUPPLY

CIRCUIT, A VARIABLE ISOLATION TRANSFORMER IS REQUIRED.

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.

"This symbol means fast operating fuse."

"Ce symbole reprèsente un fusible à fusion rapide."

4A/125V

2-7 2-8

MAIN 2/2

Ref No. Position

IC551 I-5

IC601 K-2

Q571 K-5

Q572 J-5

Q601 L-2

Q602 L-2

Q662 K-1

Q671 I-2

Q676 I-1

Q681 H-2

Q682 H-1

Q683 I-1

J121 K-4

J122 K-4

TP302 K-4

TP601 J-4

CN571 J-5

CN691 N-2

WH301A L-4

WH501A L-5

VR661 J-1

ICS

TRANSISTORS

TEST POINTS

CONNECTORS

VARIABLE RESISTORS

CRT

Ref No. Position

Q501 L-4

Q502 M-4

Q503 M-4

TP501 L-4

TP502 L-4

CN501 M-4

WH301B L-4

WH501B L-5

CONNECTORS

TEST POINTS

TRANSISTORS

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