Memorex MT1098 Service Manual Download Page 24

A

B

C

D

E

F

G

H

A

B

C

D

E

F

G

H

2

1

3

4

5

6

7

8

2

1

3

4

5

6

7

8

CP501

TV-50P-02-L1

1

2

D503

1SS133

D506

AU02A-EIC

D505

HZ27-1L

D504

MTZJ16B

Q506

DTC114ES

PROTECTOR

ICP501

251010

ICP502
251005

RY501

ALKS329

12

3

4

S

D

G

Q505

2SK2903-01MR

POWER REG

J501

HEC0824-010010

DC JACK

1

2

3

5A 125V

5A 125V

VR501

10K

+B ADJ.

METAL

C

A

G

Q507

CR2AM-8-F8

2

1

L502

8R090007

DEGAUSS COIL

T501

8128019W

1

11

12

2

3

4

5

6

7

8

HS001

763WAA0134

REPLACE ONLY WITH THE SAME TYPE FUSE

N’UTILISER QUE DES FUSIBLE DE MEME TYPE

CAUTION:

ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES D’INCEIE

FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,

L501

10uH

Q508

DTA114ES

DEGAUSS SW

Q509

DTA114ES

DC POWEWR SW

CAUTION: DIGITAL TRANSISTOR

Q503

2SA952_L

REG DRIVER

L503

10uH 0607

W851

(W074)

W836

W839

W801

Q504

2SC2120Y

DC POWER SW.

Q502

2SC1740STP

REG DRIVER

DESCRIBED IN PARTS LIST ONLY

CRITICAL FOR SAFETY,USE ONES

ARE

SINCE THESE PARTS MARKED BY

CAUTION:

DANS LA NOMENCLATURE DES PIECES

N’UTILISER QUE CELLS DECRITES

DANGEREUSES AN POINT DE VUE SECURITE

ETANT

LES PIECES REPAREES PAR UN

ATTENTION:

OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE

NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME

IC501

FA7610CP

POWER CONTROL IC

1

2

3

4

5

6

7

8

D502

11E1N

D509

RU2AM

D508

21DQ09N

D507

21DQ09N

D510

AU02A-EIC

D511

1SS133

R509

2.2 1/4W

R508

100

1/4W

R518

3.3K

R510

3.3K

R506

3.3K 1/4W

R511

68K 1/4W

R501

180K

R502

330K

R507

1K

R505

390

R503

68K

R520

1K

R514

3.3K

R516

180K

1/2W

R513

2.2K

R512

1K

R517

2.7K

R504

12K

IC502

KIA7805API

5V POWER REG IC

1

2

3

C516

1000

25V

ZL

C503_1

10

16V

KA

C512

470

16V

MHE

C518

1000

6.3V

YK

C505_1

820P

B

C511_3

220P

2KV

R

C510

470P

500V

B

C521_2

220P

2KV

R

C507

0.01

B

C504

0.0033

B

C506

0.1

B

C508

0.01

100V

TF

C520

470P B

C515

4.7

250V

ECQ-E

C509

0.068

M

C519

0.001

B

C514

470

10V

MHE

C501

1000

25V

ZL

C513

100

160V

PR

THE DC VOLTAGE AT EACH PART WAS MEASURED

 WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST

WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.

NOTE:

R515

0.47 3W

R522

3.3

1W

B504

BL01RN1-A63

B501

BL02RN1-R62

B502

BL02RN1-R62

Q501

DTC114ES

POWER FAIL

Q510

DTC114ES

DC POWER SW

CAUTION: DIGITAL TRANSISTOR

S100Y

+5V
UNREG+12V
PROTECTOR
POWER

GND
+B
P.CON+5V

180V

+B

P.CON+5V_A

GND

UNREG+12V

P.CON+5V

GND

SOUND+B

P.CON+5V_A

GND

GND

P.CON+5V

G-8

G-7

10A 125V (ICP501) , 5A 125V (ICP502).

10A 125V (ICP501) , 5A 125V (ICP502).

10A 125V

10A 125V

0

0.5

FROM/TO MICON/TUNER

FROM/TO DEFLECTION/CRT

TO CHROMA

TO AV/SOUND

(SOUND)

0

0

0

0

0

0.9

0.4

0.5

0

2.6

0.9

14.4

1.0

5.3

5.3

5.3

5.3

0

14.1

5.3

20.0

0

0

0

4.1

0

4.8

12.0

12.0

11.9

11.9

-10.7

0

0

0

0

0

0.6

5.0

GND

OUT

IN

8.3

0

5.0

VREF

U.V.LO

BIAS

OSC

500OHM

30uA

+

-

-

+

-

+

OFF

OFF

PWM

0.52V

ER.
AMP.

+

-

1.5V

+

-

S.C.P

LO

0

11.5

11.5

0

0.5

5.0

5.4

TM9448

PCB010

POWER SCHEMATIC DIAGRAM

(TV MAIN PCB)

Summary of Contents for MT1098

Page 1: ...SERVICE MANUAL Design and specifications are subject to change without notice MT1098 COLOR TELEVISION RECEIVER ORIGINAL MFR S VERSION B...

Page 2: ...le the electric current is flowing 3 USE THE DESIGNATED PARTS The parts in this equipment have the specific characters of incombustibility and withstand voltage for safety Therefore the part which is...

Page 3: ...ASSEMBLY INSTRUCTIONS 1 REMOVAL OF ANODE CAP 2 REMOVAL OF DEFLECTION YOKE 3 REMOVAL AND INSTALLATION OF FLAT PACKAGE IC SERVICE MODE LIST CONFIRMATION OF HOURS USED WHEN REPLACING EEPROM MEMORY IC ELE...

Page 4: ...thers Receiving channel USA 2 69 4A A 5 A 1 A I J W W 1 W 84 Tuning System Frequency syn Voltage syn Others G 8 Preset Channel channels G 9 Intermediate Frequency Picture fP 45 75MHz MHz MHz Sound fS...

Page 5: ...UHF Antenna Input Din Type F Type France Type Front Video Input RCA 8 3 Front Audio Input RCA 8 3 Rear Video Input1 RCA 8 3 Rear Audio Input1 RCA 8 3 Rear Video Input2 RCA 8 3 Rear Audio Input2 RCA 8...

Page 6: ...yer s Description of Origin Yes No Drop Test Natural Dropping At 1 Corner 3 Edges 6 Surfaces Height 25cm 31cm 46cm 62cm 80cm Container Stuffing 2 140 Sets 40 container G 30 Accessories Owner s Manual...

Page 7: ...r SW G 33 Magnetic Field BV 0 45G BV 0 35G BV 0 25G BH 0 18G BH 0 30G BH 0 30G BV 0 15G BV 0 25G BV 0 50G BH 0 15G BH 0 15G BH 0 30G G 34 Remote Control Unit RC CX Power Source D C 3 V Battery UM 4 x...

Page 8: ...ull in the opposite direction to remove the other NOTE Take care not to damage the Rubber Cap INSTALLATION Clean the spot where the cap was located with a small amount of alcohol Refer to Fig 1 3 1 Fi...

Page 9: ...t in the direction of arrow A Remove the 3 Wedges Remove the Deflection Yoke in the direction of arrow A B2 1 INSTALLATION Wedge 1 Convergence Purity Magnet Deflection Yoke Wedge Install new Deflectio...

Page 10: ...a blower type IC desoldering machine Refer to Fig 3 2 2 Fig 3 2 NOTE Do not add the rotating and the back and forth directions force on the IC until IC can move back and forth easily after desoldering...

Page 11: ...in tip Soldering Iron NOTE When the IC leads are bent during soldering and or repairing do not repair the bending of leads If the bending of leads are repaired the pattern may be damaged So be always...

Page 12: ...ing hours turn off the power INIT 00 83 0010 CRTON ADDRESS DATA FIG 1 Initial setting content of MEMORY IC POWER ON total hours 16 x 16 x 16 x thousands digit value 16 x 16 x hundreds digit value 16 x...

Page 13: ...l voltmeter between the pin 2 of CP101 and the pin 6 GND of CP101 Activate the adjustment mode display of Fig 2 1 and press the channel button 5 on the remote control to select OTHER The Fig 2 2 appea...

Page 14: ...EL B section through D section are not the same compared with E section adjust the LEVEL again Press the color bar pattern Audio Video Input Press the AV button on the remote control to set to the AV...

Page 15: ...lect OTHER The Fig 2 2 appears on the display Press the channel button 4 on the remote control to select OSD H Press the VOL UP DOWN button on the remote control until the difference of A and B become...

Page 16: ...the color bar generator from the green raster pattern to the crosshatch pattern Combine red and blue of the 3 color crosshatch pattern on the center of the screen by adjusting the pair of 4 pole magn...

Page 17: ...MAJOR COMPONENTS LOCATION GUIDE FOCUS VOLUME SCREEN VOLUME FB401 MAIN J801 CRT TP023 CP101 TU001 VR501 TP401 D3 1 TP201 L205...

Page 18: ...V R G B SOUND H OUT AFC V OUT EXT SPEAKER J702 SOUND AMP IC IC351 AN7511 SOUND B SOUND DC JACK J501 5V TRANS T501 P CON5V 30V 30V B SOUND B H VCC H VCC H OUT Q401 V OUT IC401 LA7840 V OUT H OUT B 25V...

Page 19: ...R804 CP803B R803 R807 W036 W037 TP022 TP024 TP023 W043 CP803A R515 C608 R212 W044 W045 C416 CF201 Q103 R 4 2 3 W046 W811 W896 W891 W810 W050 R415 R404 W051 D402 D401 W053 CP801 L406 W819 W055 C402 HS0...

Page 20: ...R357 R710 R202 R209 R201 R206 C206 R204 R203 R208 C218 R618 C610 R624 R623 R622 R637 R632 R608 R606 R612 C216 R613 R653 R619 C224 R210 C214 C605 R211 C208 R648 R661 R213 R667 R668 R664 C645 C632 C507...

Page 21: ...UP SW102 SKHVBED010 CH DOWN SW101 SKHVBED010 CH UP SW108 SKHVBED010 TV AV SW107 SKHVBED010 MENU SW106 SKHVBED010 PICTURE IC101 OEC3046A MICON IC 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26...

Page 22: ...KA C623 1000 6 3V RZ C627 0 47 50V KA C217 0 47 50V KA C615 22 16V KA C608 47 16V KA C606 1 50V KA C644 10 16V KA C611_1 0 01 B C632 27P CH C201 0 01 B C605 0 01 B C206 0 001 B C212 0 018 TF C213 0 02...

Page 23: ...2W R804 2 7K 1 4W R806 2 7K 1 4W R802 2 7K 1 4W R445 270K 1 4W R424 270 1 2W R425 270 1 2W R414 3 3K R421 68K 1 4W R428 6 8 1 2W R433 1 5K 1 2W R427 100 1 4W R446 4 7K 1 2W R422 27K 1 4W R426 270 1 2...

Page 24: ...N D510 AU02A EIC D511 1SS133 R509 2 2 1 4W R508 100 1 4W R518 3 3K R510 3 3K R506 3 3K 1 4W R511 68K 1 4W R501 180K R502 330K R507 1K R505 390 R503 68K R520 1K R514 3 3K R516 180K 1 2W R513 2 2K R512...

Page 25: ...75 R703_1 75 R704 75 R710 1K R357 100K R352 10K R705 1K R707 100 1 4W R709 3 3K R353 68K R355 47K 1 4W C715 100 6 3V KA C353 470 16V YK C301 470 16V YK C352 47 16V KA C355 10 16V KA C718 47 16V KA C7...

Page 26: ...measured at the point of the corresponding balloon number in the schematic diagram NOTE 13 200mV 20 s div CHROMA 5 20 0mV 1ms div 8 0 5V 10 s div 9 0 5V 10 s div 10 200mV 10 s div 11 100mV 0 1 s div 1...

Page 27: ...V 20 s div 22 5 0V 5ms div 23 10 0V 5ms div 24 10 0V 20 s div 26 10 0V 20 s div 25 10 0V 20 s div DEFLECTION CRT 21 200V 20 s div The following waveforms were measured at the point of the correspondin...

Page 28: ...MECHANICAL EXPLODED VIEW I 1 110 205 205 205 205 V801 L502 J801 PCB110 CRT PCB 107 108 109 202 201 201 201 201 102 204 204 TU001 J701 FB401 PCB010 MAIN PCB 101 103 104 105 106 203...

Page 29: ...722A08A096 SHEET RATING 109 7260000321 SHEET CRT SERVICEMAN 110 741WUA0019 SPRING EARTH 201 8117540A64 SCREW TAPPING B0 TRUSS 4x16 202 8110630A04 SCREW TAP TITE P BRAZIER 3x10 203 8110630804 SCREW TA...

Page 30: ...K CC 220 PF 2KV R Q510 TNYTB03001 COMPOUND TRANSISTOR DTC114ESTP C512 E5EZT2471M CE 470 UF 16V Q601 TC5T021204 TRANSISTOR SILICON 2SC2120Y TPE2 C513 E53VFB101M CE 100 UF 160V Q602 TA5T010154 TRANSISTO...

Page 31: ...9 WIRE HOLDER 51048 0510 CP802B 067R005019 WIRE HOLDER 51048 0510 CP803A 067R104019 WIRE HOLDER 51052 0400 CP803B 067R104019 WIRE HOLDER 51052 0400 CUS001 800WFAA006 CUSHION A DY801 0271080901 DY KDY3...

Page 32: ...M3I5 06I WIX3011 SPEC NO O R NO...

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