Teac CT-M807-SV Manual de usuario

SERVICE MANUAL

CTM807SV

68CM CTV

MAR03 CTM807SERV

SUPPLY VOLTAGE : AC220V 50Hz > + 10% / -20%

SPECIFICATION

SM -38PM P. 1

SYSTEM :

CHANNEL L - VHF :

H - VHF :

UHF :

VIF FREQUENCY :

SIF FREQUENCY :

CHROMA IF FREQUENCY :

INTER-CARRIER FREQUENCY :

SCANNING HORIZONTAL:

VERTICAL :

ANTENNA INPUT IMPEDANCE :

CRT :

PAL - BG

2 - 4

5 -12

21 - 69

38.9

33.4

34.47

5.5

PAL - I

(UK)

21 -69

39.5

33.5

35.07

PAL - SECAM -

BG / DK

( HYPER )

1 - 5

6 - 12

21 - 69

38.9

32.4 33.4

34.47 34.47

5.5 6.5

PAL - BG

( CATV )

E2 - S2

E5 - S20

E21 - E69

38.9

33.4

34.47

5.5

PAL - I / I

4 - 13

21 - 69

38.9

32.9

34.47

6.0

PAL - SECAM -

BG / DK

1 - 5

6 - 12

21 - 69

38.0

31.5 32.5

33.57 33.57

6.5 5.5

PAL - BG

( HYPER )

E2 - S10

E5 - S41

E21 - E69

38.9

33.4

34.47

5.5

FB - FC

32.7

39.2

6.5

MHz

15625 LINE

50 Hz

75 OHM

34" 38"

SECAM -

1 - Q

21 - 69

38.9

32.4

34.47

6.5

PAL-DK

1-5

6-12

13-57

31.5

33.57

6.5

ITEMS OF MEASUREMENT

VIDEO SENS. AT S/N 30db

SOUND SENS. AT S/N 30db

AGCCHARACTER

SELECTIVITY -1.5MHz

+ 8 MHz

COLORSENS.

COLOR LOCK-IN RANGE

VERTICAL LOCK-IN RANGE

HORIZONTAL LOCK-IN RANGE

MAXBRIGHTNESS

MAX OUTPUT POWER

OUTPUT POWER AT 10% THD

BUZZ

AFCRANGE

MIN. VOL HUM

RESOLUTIONHORIZONTAL

VERTICAL

LINEARITY DISTORTION VERTICAL

HORIZONTAL

RASTERDISTORTION

REMOTECONTROL DISTANCE

ANGLE

POWER CONSUMPTION(ATNORMALCONDITION)

POWER CONSUMPTION(ATMAX.CONDITION)

POWER CONSUMPTION(W/WOOFer)

CONVERGENCE DISLOCATION AT AREA "A"

AREA "B"

( see fig.1 )

VIDEO INPUT LEVEL: 1.0VP-P+3dB

AUDIO INPUT LEVEL: 0.5VRMS+3dB

L - VHF

H - VHF

UHF

Fig.1

STANDARD

< 57

< 60

< 42

< 48

> 60

> 35

> 40

< 45

> +300

> 6

> 400

> 80

> 5.0

> 4.5

< -40

> +1

> -0.5

< 20

> 300

> 400

< 8

< 10

< 5

> 5

> +15

< 140

< 160

< 180

< 0.4

< 0.8

UNIT

dbuv

cd/m2

MHz

LINES

METER

DEGREE

WATTS

SM - 38PM P. 2

L - VHF

H - VHF

UHF

STANDARD

< 57

< 60

< 42

< 48

> 60

> 35

> 40

< 45

> +300

> 6

> 400

> 70

> 5.5

> 5.0

< -40

> +1

> -0.5

< 20

> 300

> 400

< 8

< 10

< 5

> 5

> +15

< 170

< 180

< 200

< 0.4

< 0.8

34" 38"

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SM - 38PM P. 3

ALIGNMENT INSTRUCTION

I. PLEASE READ BEFORE ATTEMPTING SERVICE

1. Never disconnect any leads while receiver is in operation.

2. Disconnect all power before attempting any repairs.

3. Do not short any portion of the circuit while power is on.

4. For safety reasons, all parts replaced should be identical, ( for parts and part numbers see parts list ).

5. Before alignment the set must be pre-heated for 30 minutes or more and erase magnetism thoroughly

from CRT front chassis frame by erase coil. ( Except IF, SYNC, COLOR, SECAM, B+, SOUND )

II. TEST EQUIPMENT

1. Colour Bar, Dot, Cross Hatch Generator

2. DC Power Supply

3. Oscilloscope

4. Vacuum Tube Voltmeter

III. FACTORY ADJUSTMENT : See table 1- 4

1. Press REMOTE FACTORY ON button.

2. Press REMOTE FACTORY button.

3. Press REMOTE UP or DOWN button select item.

4. Press REMOTE value (+) (-) button,adjust the value.

5. REMOTE DIALOG CENTRE button can turn off factory mode function.

REMARK : NO this factory on Normal remote control .

IV.B+ ADJUSTMENT

1. Connect a digital voltmeter between the W237 and Ground.

2. Press REMOTE Picture button.

3. Press REMOTE UP/DOWN and value (-) button set Brigntness,contrast,color to minimum.

4. Adjust Screen Volume on FBT Until the picture can just been seen.

5. Adjust VR901 and obtain a reading of 143V +1V (DC).

V. AGC ALIGNMENT

1. Receive CH69 ( UHF ) and input field strength.

2. Connect a digital voltmeter between the TUNER AGC TERMINAL and Ground.

3. Press REMOTE AGC button.

4. Press REMOTE value (+) (-) button adjust value to (0) and then adjust AGC take over value

obtain drop down 0.4V. (DC)

REMARK : ( 1/ The drop down voltage should be more than and tends to 0.2V )

( 2/ No observable noise can be seen )

6. High Voltage Meter

7. Ampere Meter ( 0.5 Class, DC 3mA Max )

8. Demagentizing Coil

9. Philips Pattern Generator

10. High Pot Tester

5. Volt Ohmmeter

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VIII. HORIZONTAL SHIFT ADJUSTMENT

1. Receive Monoscope Pattern input signal 70dB +10dB.

2. Press REMOTE H-shift button.

3. Press REMOTE value (+) (-) button adjust value to obtain the picture at center +2mm.

( Specification show in Fig.8 )

SM - 38PM P. 4

VI. SOUND TRACKING ALIGNMENT

1. Receive a gray scale pattern.

2. Connect a oscilloscope and monitor IC202 PIN 13 and Ground.

3. Adjust T200 to obtain the waveform Fig.6.Connect a volt meter to IC202 PIN15

and GND,adjust T200 to obtain 2.7+0.1V.

Remark: All frequency of Marker points are +0.2% tolerance.

VII. EAST - WEST CORRECTION ADJUSTMENT

1) Receive a crosshatch and center cross pattem.

2) Set the Brightness,contrast to middle position.

3) Press REMOTE EW-Par/wid,EW-trap button,Press REMOTE VALUE (+) (-) button adjust Value

to normal regular picture.

4) Press REMOTE WE-width button,Press REMOTE value (+) (-) button adjust value to proper horizontal

width ( 90% + 2% )

X. VERTICAL AMPL ADJUSTMENT

1. Receive the Monoscope Pattern.

2. Press REMOTE V-ampl button.

3. Press REMOTE value (+) (-) button adjust value to obtain a normal picture.

XI. WHITE BALANCE ALIGNMENT STEP

( Degauss the picture by degaussing coil if necessary )

1. Receive a black and white pattern.

2. Press REMOTE picture button.

3. Press REMOTE UP/DOWN and value (-) button set the brightness,contrast,

colour to minimun.

4. Adjust screen volume on FBT unitl the picture can just been seen.

5. Press REMOTE sub bri button.

6. Press REMOTE value (+) (-) button adjust value to (31).

7. Press REMOTE with bal button.

8. Press REMOTE Value (+) (-) button adjust value to (1) see the picture at horizontal line.

9. Adjust screen volume on FBT until the horizontal line can just been seen.

10. Repeat item 7.8 Can obtain normal screen.

IX. VERTICAL LINEARTY ADJUSTMENT

1) Receive a cross hatch and center cross pattem.

2) Set the Brightness,contrast to middle position.

3) Press REMOTE V-SIope,S-Correction button,Press REMOTE Velue (+) (-) button adjust value to normal

regular picture.

4) Press REMOTE V-Shift button,Press REMOTE Value (+) (-) button adjust value to obtain the picture at center.

Fig.6

XIII. FOCUS ALIGNMENT

1) Set the Brightness and Contrast to middle position.

2) Receive a monoscope pattern.

3) Adjust focus control to obtain sharpest picture.

SM - 38PM P. 5

XII.SUB - BRIGHTNESS ALIGNMENT

1. Receive a colour bar pattern.

2. Press REMOTE picture button,.

3. Press REMOTE UP/DOWN and value (-) button set the brightness, contrast to minimun.

4. Press REMOTE sub bright button.

5. Press REMOTE value (+) (-) button adjust value to brightess bar can just be seen.

TEST STANDARD

CONDITION

SAFETY STD. TEST STANDARD

FOR PRODUCTION

VDE, SAA

CHINA STANDARD

3.0KV 10mA / 1MIN

4.0KV 10mA / 1MIN

3.0KV 10mA / 1MIN

1.0KV 5mA / 1MIN

>3.5 KV <10mA / >10 SEC.

>4.0 KV <10mA / >10 SEC.

>3.3 KV < 5mA / > 6 SEC.

>1.25KV < 5mA / > 1 SEC.

Remark:

1) If no other specify, the strength of input signal should be 70dB +10dB.

2) The High Pot Tester can have < +5% tolerance.

XV. HIGH POT TESTING

1) Short the L - pole and N - pole of AC line cord.

2) Switch on the power switch of the TV Set.

3) Connect The High Pot Tester ( - ) to L and N pole, ( + ) to the METAL PART of CABINET.

XIV. PINCUSHION CORECTION ALIGNMENT

1. Thg TV Set face to east.

2. Receive a cross hatch patten.

3. Adjust VR020 to change the amplitude of pin cushion corection.

4. Adjust L020 to change the balance of horizontal line.

Repeat item (3) , (4) until best condition.

PCB 190-283300-20

DISTRICT CENTRE (mm)

POSITION LIMIT (mm) SCANNING

SIZE (%)

SCANNING

SIZE

LIMIT (%)

THAILAND

FRANCE

GERMANY

*GROUP A

*GROUP B

*GROUP C

-1

-2

0 ~ -2

0 ~ +5

-5 ~ -1

-2 ~ +2

0 ~ +5

88 ~ 92

88 ~ 94

90 ~ 95

88 ~ 94

mm -5 -4 -3 -2 -1 0 1 2 3 4 5 mm

LEFT RIGHT

CENTRE OF

THE SCREEN

CRT MUST

FACE TO EAST

REMARK : 1. SUITABLE FOR 14" OR ABOVE TV.

2. Adjust the centre position must take the upper side of monoscope

pattern for standard.

3. Group A: AUSTRALIA, NEW ZEALAND, TAHITI.

4. Group B : HONG KONG, CHINA, AMERICA, CANADA, MALAYSIA,

MEXICO.

5. Group C : ENGLAND, ITALY, GERMANY, RUSSIA, SWITZERLAND,

JUGOSLAVIA, SPANISH.

If the above countries are not include, please consult to

Engineering Dept.

FIG.8

SM - 38PM P. 6

SM - 38PM P. 7

FACTORY MODE TABLE 1

ITEM REF

VALUE REMARK

POWER

TDA884X

S.SYS

LOGO

CTI

WOOFER

AV NO

BBE

HALF SCR

O = TV Status S = Power Status P = Last power status

1=PAL/NTSC.W/O EW 3=PAL/NTSC.W/EW

2=PAL/SECAM/NTSC.W/O EW 4=PAL/SECAN/NTSC,W/EW

1=DK/I

2=BG/DK

3=DK/I/M

4=BG/DK/I/M

5=I

6=BG

1=NIL 4=Haier

2=ROWA (TEAC CPU=TEAC)

3=CAIXING

0 = OFF

1 = ON

0 = OFF

1 = ON

0 = OFF

1 = ON

0 = Picture

1 = HACF Picture

1 = TV/AV1/AV2/AV3/S-VHS

2 = TV/AV1/AV2/S-VHS

3 = TV/AV1/AV2

0 = OFF 1= ON

0 = OFF:DVD 1= ON:DVD

LANGUAGE

BLUE STR 1

00 = ENGLISH ONLY 1 = CHINESE/ENGLISH

0 = OFF 1 = ON

OSD.

LANGUAGE

ANTENNE

0 = NO BACKGROUD 1 = W/BACKGROUD

0 = ENGLISH 1 = RUSSIAN

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0 = NO ANTENNE 1 = ANTENNE

TEXT

TUNE 0 = OFF 1 = ON (W/TEXT See 1)

00=NOPOWERON AUTOTUNER 1 =POWERONAUTOTUNER

KARAOKE

DVD TX

16 : 9

00 = 4 : 3 1= 16 : 9

AVL 00= OFF 1 = SHORT DECAY

2 = MEDIUM DECAY 3=LONG DECAY

SM - 38PM P. 8

FACTORY MODE TABLE 2

ITEM REF

VALUE REMARK

H-SHIFT

V-SLOPE

V-AMPL

S-COR

V-SHIFT

EW-WIDTH

EW-PAR/WID

EW-CORNER

EW-TRAP

CTR L0

CTR L1

AGC

ARJ IF PLL

ADJUST

RANGE

C0-ff

0-3f

40-7f

80-Bf

0-3f

40-7f

VALUE

For TV set Adjustment

For TV set Adjustmant

For TV set Adjustment

NON-AdjustableValue

For TV set Adjustment

For TV Set IF Frequency

40 = 38.90 MHz 80 = 33.40 MHz

60 = 38.00 MHz CI = 33.90 MHz

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W/O CTI set 80-8f

W/SCART set 0-3f

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SM - 38PM P. 9

ITEM

FACTORY MODE TABLE 3

REF

VALUE REMARK

CTR L2

CTR L3

CTR L4

HOTEL

SUB SHP

COMB

NICAM

CCD

ADJUST

RANGE

00-31

VALUE

NON-Adjustablevalue

Sub shp setting

0 = OFF

1 = ON

0 = OFF

1 = ON

0 = NICAM+G.S

1 = NICAM 2 = G.S

0 = OFF

1 = ON

NON-Adjustablevalue

W/O CTI 89

NON-Adjustable value

Date code 111099 PCB This

W/O COMB FILTER SET6

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