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Memorex MT1196A, Service Manual, Page: 14 / 27

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Memorex MT1196A Service Manual Download Page 14

BLOCK DIAGRAM

29

15

14

16

62

1

64

33

50

CF601

SAW FILTER

42

AGC

IF

TU001

11

1

CHROMA IC
IC601   M61203BFP

PUMP UP

AMP

+

-

7

2

6

5

V-OUT IC
IC401   LA78040

IC351 AN7511

SP351

Q801

RED OUT

Q802

GREEN OUT

Q803

BLUE OUT

CRT

3

9

7

R

G

B

Heater

F

8

2

V. SYNC

25

RESET

MICON IC
IC101   OEC7044A

9

HV

F

S

FB401

10

1

Q402

H. DRIVE

Q401

H. OUTPUT

Q101

X-RAY

30

X_RAY_TEST

3

1

5V REG. IC

IC402 
KIA7805PI

P. CON+5V

19 XIN

20 XOUT

X101

8MHz

3

4

POWER REG. IC
IC501
STR30110

D501~D504

RECTIFIER

2

5

1

3

L501

DEGAUSS COIL

L502

POWER 

Q501

POWER

36

AUDIO MUTE

5

19

4

32

X602

3.579545MHz 

Q606

REG.

2

6

E-1

E-2

Q608

CUT OFF

SOUND IC

5

POWER

VOL_UP

KEY1

27

CH_UP

VOL_DOWN

CH_DOWN

OS101

1

REMOCON

10

3

4

1

2

AC IN

RY101

4

D404

D127

4

SDA

5

SCL

4

34

SCL1

32

SDA1

6

5

MEMORY IC
IC199 
S-24C02BDP-11

2

5

10

17

8

P. CON+15V

7

3

AUDIO OUT

REG OUT

R OUT

G OUT

B OUT

START UP 
VCC

H OUT

X' TAL

RF AGC OUT

VIF IN (1)

VIF IN (2)

V PULSE OUT

SCL

SDA

MCU RESET

V OUT

Q403

X-RAY

+B

KEY2

26

3

SDA SCL

12 INV FBP OUT

1

H. SYNC

27

39

BLANK BL

FAST BLK

20 B IN

40

BLUE B

28

41

GREEN G

G IN

30 R IN

42

RED R

17

CVIN

40 Y SW OUT

F501

VCC

41

REG OUT

55

VREG VCC

6

FBP IN

Q603

REG.

Summary of Contents for MT1196A

Page 1: ...SERVICE MANUAL Design and specifications are subject to change without notice COLOR TELEVISION RECEIVER MT1196A ORIGINAL MFR S VERSION D ...

Page 2: ...hock while 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 replaced should be used the part which has the same character Especially as to the important parts for safety which is indicated in the circuit diagram or the table of parts as a mark the desi...

Page 3: ...IC ELECTRICAL ADJUSTMENTS MAJOR COMPONENTS LOCATION GUIDE BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT SCHEMATIC DIAGRAMS MICON TUNER CHROMA DEFLECTION CRT POWER WAVEFORMS MECHANICAL EXPLODED VIEW MECHANICAL REPLACEMENT PARTS LIST ELECTRICAL REPLACEMENT PARTS LIST A2 1 A1 1 A1 1 A1 1 A2 1 A3 1 A3 4 B 1 C 1 C 1 C 1 D1 1 D2 1 D3 1 E 1 E 2 F 1 F 4 G 1 G 2 G 3 G 4 G 5 G 6 G 7 G 8 H 1 H 2 I 1 J1 1 J2 ...

Page 4: ...MHz MHz Sound fS 41 25 MHz MHz MHz fP fS 4 50 MHz MHz MHz G 10 Stereo Dual TV Sound Yes NICAM GERMAN USA JAPAN No G 11 Tuner Sound Muting Yes No G 12 Power Source 120 V AC 50Hz AC 60Hz G 13 Power Consumption 80 W at AC 120 V 60 Hz W at DC V Stand by 6 W at AC 120 V 60 Hz Per Year kWh Year G 14 Dimensions Approx 488 mm W 465 mm D 416 mm H G 15 Weight Approx Net 17 5 kg 38 6 lbs Gross 20 0 kg 44 1 l...

Page 5: ... 24 Indicator Power Stand By On Timer NONE G 25 Display On Screen Display Menu Clock Set 12H 24H System Selec On Off Timer Hotel Lock Area Code CH Tuning Sound 1 2 NICAM Auto Off Picture Guide CH Set Audio Language CATV Pin Code Registration V Chip Control Level Sound Brightness Contrast Color Tint NTSC Only Sharpness Tuning Bass Treble Balance Back Light Stereo Audio Output Bilingual Picture Menu...

Page 6: ...istration Card Warning Sheet Quick Set Up Sheet Schematic Diagram Information Sheet U V Mixer 75 ohm Coaxial Cable Single Shield Double Shield 300 ohm to 75 ohm VHF Antenna Adaptor 21pin Cable Car Cord Rod Antenna One Pole Two Pole F Type Din Type France Type Loop Antenna F Type Din Type France Type G 31 Other Features Auto Degauss Auto Search Full OSD Auto Shut Off CH Allocation Premiere Canal SA...

Page 7: ...ncel CH Up Page Up 8 Initial Page 9 Store Program 10 Reveal F T B 11 Sleep Hold 12 Aft Skip List 1 Preset Rotate 2 5 5 6 5MHz Browse 0 10 Auto Memory Std Auto Tone 1 2 Auto Memory Info Call Band Select Mono Auto Reset Search TV Caption Text Menu Clock Program Expand Enter Clock Set Red Add Ch Set Cyan Delete Set Normal Yellow Set Color System Random Green Wide Selecy Tuning Up Time Text Nicam Mono...

Page 8: ...lip up the sides of the Rubber Cap in the direction of the arrow and remove one side of the support Refer to Fig 1 2 2 GND on the CRT Screwdriver Alligator Clip Support CRT GND on the CRT Rubber Cap CRT Support Fig 1 2 3 After one side is removed pull in the opposite direction to remove the other NOTE Take care not to damage the Rubber Cap INSTALLATION 1 Clean the spot where the cap was located wi...

Page 9: ...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 tens digit value ones digit value NOTE FOR THE REPLACING OF MEMORY IC If a service repair is undertaken where it has been required to change the MEMORY IC the following steps should be taken to ensure correct data settings while making reference to TABLE 1 Table 1 24 E...

Page 10: ...ode display of Fig 1 1 and press the channel button 02 on the remote control to select RF AGC Press the VOL UP DOWN button on the remote control until the digital voltmeter is 1 95 0 05V D1 1 TV 00 OSD 15 2 2 CUT OFF 1 2 3 4 Adjust the unit to the following settings R DRIVE 10 B DRIVE 10 R BIAS 64 G BIAS 64 B BIAS 64 BRIGHTNESS 126 CONTRAST 98 Place the set with Aging Test for more than 15 minutes...

Page 11: ... bar pattern Activate the adjustment mode display of Fig 1 1 and press the channel button 05 on the remote control to select H PHASE Press the VOL UP DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on right and left becomes minimum 2 9 OSD HORIZONTAL 1 2 Activate the adjustment mode display of Fig 1 1 Press the VOL UP DOWN button on the remote control until the differen...

Page 12: ...h 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 magnets Combine red blue magenta and green by adjusting the pair of 6 pole magnets Adjust the crosshatch pattern to change to white by repeating steps 6 and 7 Turn the unit on and let it warm up for at l...

Page 13: ...MAJOR COMPONENTS LOCATION GUIDE TU001 FOCUS VOLUME SCREEN VOLUME FB401 MAIN D3 1 CP601 TP001 J801 CRT TP023 TP022 ...

Page 14: ...RECTIFIER 2 5 1 3 L501 DEGAUSS COIL L502 POWER Q501 POWER 36 AUDIO MUTE 5 19 4 32 X602 3 579545MHz Q606 REG 2 6 E 1 E 2 Q608 CUT OFF SOUND IC 5 POWER VOL_UP KEY1 27 CH_UP VOL_DOWN CH_DOWN OS101 1 REMOCON 10 3 4 1 2 AC IN RY101 4 D404 D127 4 SDA 5 SCL 4 34 SCL1 32 SDA1 6 5 MEMORY IC IC199 S 24C02BDP 11 2 5 10 17 8 P CON 15V 7 3 AUDIO OUT REG OUT R OUT G OUT B OUT START UP VCC H OUT X TAL RF AGC OUT...

Page 15: ...4 C636 D601 D602 Q603 Q606 C133 D126 D125 Q501 W037 R618 R447 R449 W816 R632 R623 W041 D607 D127 W042 CP802B L801 C819 CP801_1 R805 R807 Q803_1 Q801_1 Q802_1 J801 R804 R802 R803 R806 W043 C627 C622 C644 W044 W046 L406 R428 TP024 TP022 TP023 C407 C623 W804 C801 CP802A TP001 OS101 C612 C411 W051 C621 W053 C002 C607 W056 C430 R655 W062 D608 W067 W068 W805 W070 C121 C007 C638_1 C130 C614 D104 R110 D10...

Page 16: ...R104 R124 R120 R121 R122 R123 R117 R624 R613 R626 R604 R605 R614 R619 R631 R630 R627 R642 R638 C616 R606 R609 C618_1 C642 R611 R634 R615 R622 R505 R635 R639 C805_1 R811 C804_1 R809 C806_1 R814 R636 R633 C643 R813 R815 R816 R114 R625 R103 C626 R612 R603 C127 C126 R601 R101 R602 R646 R621 W822 PRINTED CIRCUIT BOARDS MAIN CRT CHIP MOUNTED PARTS SOLDER SIDE F 3 F 4 17 33 49 1 ...

Page 17: ...TRANSISTOR SW104 SKHVBED010 VOL DOWN SW105 SKHVBED010 POWER SW103 SKHVBED010 VOL UP SW102 SKHVBED010 CH DOWN SW101 SKHVBED010 CH UP TU001 ENV56D67G3 1 10 11 12 13 14 15 2 3 4 5 6 7 8 9 C118 470 25V YK IC199 S 24C02BDP 11 MEMORY IC 1 2 3 4 5 6 7 8 GND B Vout OS101 PIC 28143SY 2 1 2 3 IC101 OEC7044A MICON IC 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 33 34 35 36 37 38...

Page 18: ...7K R624 2K R621 2 7K OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION D615 MTZJ6 2B D611 MTZJ12B D602 MTZJ...

Page 19: ...B C437 0 47 200V FHS C416 0 012 200V PP C407 56P SL C450 0 0022 500V B C418 1000 25V YK C433 470 35V YK C448 22 100V YK C404 470 10V YK C412 470 10V YK C434 22 100V YK C414 100 35V YK C405 470 16V YK C446 1 160V MHE R814 220 R809 220 R416 1 1 2W R419 910 R404_1 2 7K R816 4 7K R815 4 7K R811 220 R813 4 7K R804 2 7K 1 4W R446 4 7K 1 2W R427 100 1 4W R406 2 2K R410 330 1 2W R413 1K 1 2W R415 1K 1 2W ...

Page 20: ...15Y POWER AUDIO SIGNAL S804X 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 C503 0 001 500V B C504 0 001 500V B C357 0 012 M C502 0 1 250V ECQUL C646 2200 25V YK C354 1 50V KA C351 470 25V YK C352_1 4 7 50V KA C132 2200 25V YK R508 10K 1 2W R503 330K 1 4W R354 10K R356 100K R357 47K R351 270K R353 ...

Page 21: ... 200mV 20µs div 7 9 200mV 20µs div CHROMA 0 5V 5ms div 10 11 1V 20µs div 12 1V 20µs div 1V 20µs div 13 8 20V 20µs div 3 200mV 20µs div DEFLECTION CRT 14 0 5V 5ms div 15 20V 20µs div H 1 NOTE The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram ...

Page 22: ...div 200V 20µs div 17 22 50V 20µs div POWER 0 5V 1ms div 23 10V 5ms div 18 10V 5ms div 19 1V 1ms div 24 50V 20µs div 20 NOTE The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram H 2 ...

Page 23: ...ODED VIEW 110 111 202 202 202 202 202 I 1 203 102 203 205 104 103 FB401 116 PCB010 MAIN PCB 105 TU001 117 206 ATC001 201 201 201 L502 V801 118 J801 PCB110 CRT PCB 112 201 101 106 107 204 SP351 113 108 109 204 115 114 ...

Page 24: ...18 SHEET CAUTION 114 7220001119 SHEET CSA WARNING 115 7220001107 SHEET HWC 116 800WQ00044 FELT SHEET 5x50xT0 5 117 800WQ00045 FELT SHEET 5x150xT0 5 118 741WUA0019 SPRING EARTH 201 8121F50B84 SCREW TAPPING B0 GW20 5x28 202 8117540A64 SCREW TAPPING B0 TRUSS 4x16 203 8117D30A04 SCREW TAPPING B0 WH8 BRAZIER 3x10 204 8110630A04 SCREW TAP TITE P BRAZIER 3x10 205 810A130804 SCREW WASHER A M3x8 206 810963...

Page 25: ...01M CE 100 UF 35V Q603 TD3T007340 TRANSISTOR SILICON 2SD734 E F AA C416 P3N1F2123J CPP 0 012 UF 200V Q606 TD3T007340 TRANSISTOR SILICON 2SD734 E F AA C418 E02LF3102M CE 1000 UF 25V Q608 TA5T010154 TRANSISTOR SILICON 2SA1015Y TPE2 C433 E02LT4471M CE 470 UF 35V Q801 TC3F042170 TRANSISTOR SILICON 2SC4217 D E RAC C434 E02LT8220M CE 22 UF 100V Q802 TC3F042170 TRANSISTOR SILICON 2SC4217 D E RAC C437 P44...

Page 26: ...T0006 HOLDER FUSE EYF 52BC OS101 077Q014003 REMOTE RECEIVER PIC 28143SY 2 RY101 0560V20115 RELAY ALKS321 SP351 070C732001 SPEAKER C908 8 03A or 070C132014 SPEAKER 811 08 194 TH501 DF40A3R0Q0 DEGAUSS ELEMENT PTAD14K2 3R0Q141 TM101 076R074180 TRANSMITTER R25 1127 TU001 0145S00049 TUNER UHF VHF ENV56D67G3 V801 098Y200480 COLOR PICTURE TUBE W DY A48LGS30X19N45 X101 1002T00801 CERAMIC OSILLATOR 8MHz X6...

Page 27: ...M3H6 54C W033021 SPEC NO O R NO ...

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