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MICON/TUNER

WAVEFORMS

NOTE: The following waveforms were measured at the point of the corresponding

balloon number in the schematic diagram.

H-1

1V  0.5ms/div

11

  5 0.5V  1ms/div

16 1V  20

µ

s/div

CHROMA

12 20V  20

µ

s/div

0.5V  20

µ

s/div

7

200mV  5ms/div

1

2 0.5V  20

µ

s/div

0.5V  20

µ

s/div

8

13 200mV  20

µ

s/div

3 200mV  20

µ

s/div

200mV  5ms/div

4

200mV  20

µ

s/div

9

0.5V  5ms/div

14

10 0.5V  20

µ

s/div

1V  20

µ

s/div

15

Содержание MT1125A

Страница 1: ...SERVICE MANUAL Design and specifications are subject to change without notice MT1125A COLOR TELEVISION RECEIVER ORIGINAL MFR S VERSION B...

Страница 2: ...SERVICE MANUAL COLOR TELEVISION RECEIVER MT1125A G F MFR S VERSION OEC7044B OEC7044A IC101 REVISION 1 MFR S VERSION G Please file this revision with the original version A63AFW36X A63AHC26X CRT...

Страница 3: ...e interchangeable Alteration of CRT REF NO PART NO DESCRIPTION PART NO DESCRIPTION V801 0984250502 COLOR PICTURE TUBE A63AHC26X 092T250501 COLOR PICTURE TUBE A63AFW36X R429 R6558A1R8J R FUSE 1 8 OHM 2...

Страница 4: ...SERVICE MANUAL MT1125A COLOR TELEVISION RECEIVER D B MFR S VERSION OEC3041B OEC3041A IC101 REVISION 1 MFR S VERSION D Please file this revision with the original version...

Страница 5: ...S VERSION D REF NO PART NO DESCRIPTION PART NO DESCRIPTION IC101 I53F53041A IC OEC3041A I53F53041B IC OEC3041B PCB010 A3I011H01A MAIN PCB ASS Y TM9441A A3I011H01B MAIN PCB ASS Y TM9441A MAIN PCB s are...

Страница 6: ...ock 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 wh...

Страница 7: ...S LOCATION GUIDE BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT AV STEREO SCHEMATIC DIAGRAMS MICON TUNER CHROMA DEFLECTION CRT POWER SOUND AMP VIDEO SWITCH IN OUT STEREO WAVEFORMS MECHANICAL EXPLODED V...

Страница 8: ...7 ch 13 ch CATV A5 ch I ch J ch W 29 ch GGG ch W 84 ch UHF 14 ch 69 ch Tuning System Frequency syn Voltage syn Others G 8 Preset Channel channels G 9 Intermediate Frequency Picture fP 45 75 MHz MHz M...

Страница 9: ...nt Phono Jack RCA 8 3 BNC Video Input Rear Phono Jack RCA 8 3 BNC Video Output Rear Phono Jack RCA 8 3 BNC Audio Input Front Phono Jack RCA 8 3 x2 Audio Input Rear Phono Jack RCA 8 3 x2 Audio Output R...

Страница 10: ...AB Double Full Color Carton W Photo Dimensions 689 mm W 577 mm D 620 mm H Design As Per BUYER s Description of Origin Yes No DropTest Natural Dropping At 1 Corner 3 Edges 6 Surfaces Height 25cm 31cm 4...

Страница 11: ...l GamePosition Fastext Unitext TopText Closed Caption Picture Menu Mid Night Theater V Chip G 32 Switch Front Power Tact Channel Up Reset Volume Up Set Up System Select Channel Down Enter Volume Down...

Страница 12: ...p 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...

Страница 13: ...f the Anode with the tip of the Screwdriver A cracking noise will be heard as the voltage is discharged Flip up the sides of the Rubber Cap in the direction of the arrow and remove one side of the sup...

Страница 14: ...DEFLECTION YOKE Refer to Fig 2 1 1 2 3 4 5 Loosen the screw 1 Remove the Convergence Purity Magnet in the direction of arrow A Loosen the screw 2 Remove the 3 Wedges Remove the Deflection Yoke in the...

Страница 15: ...ng 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...

Страница 16: ...bar pattern Activate the adjustment mode display of Fig 2 1 and press the channel button 2 on the remote control The Fig 2 3 appears on the display Adjust the adjustment mode display of Fig 2 3 until...

Страница 17: ...1 of CP101 and the pin 6 GND of CP101 Activate the adjustment mode display of Fig 2 1 and press the channel button 4 on the remote control The Fig 2 4 appears on the display Press the channel button...

Страница 18: ...A 2 13 VCO FREERUN 1 2 3 Receive an 80dB monoscope pattern Connect the digital voltmeter between the TP201 and the Ground Adjust the L205 until the digital voltmeter is 3 1 0 05V 2 14 SEPARATION 1 2...

Страница 19: ...ming adjustments in section 3 1 1 2 3 4 5 Receive the green raster pattern from color bar generator Adjust the pair of purity magnets to center the color on the screen Adjust the pair of purity magnet...

Страница 20: ...D3 1 MAJOR COMPONENTS LOCATION GUIDE TU001 FOCUS VOLUME SCREEN VOLUME FB401 CP101 MAIN VR401 L205 TP201 TP401 VR502...

Страница 21: ...DC VOL Q604 Q605 VIDEO BUFFER 67 Q602 BUFFER 2 3 9V REG IC IC601 KIA7809PI 1 RESET SW Q105 32 OS101 1 2 3 5 2 MUTE SW Q351 X RAY SW Q103 8V 5V 5V 1 33 6 E 1 E 2 POWER VOL UP KEY1 10 CH UP VOL DOWN CH...

Страница 22: ...037 W087 W089 W090 R415 D409 C705 IC702 C744 W040 W066 D520 R510 D519 W082 W083 W079 R108 W042 R644 W019 W092 W017 W020 W025 IC601 C718 R001 R002 W046 W045 W049 W034 C706 D704 D702 TP201 C655 W897 C51...

Страница 23: ...701 R707 R706 R734 C733 R708 R711 R709 R720 R721 R710 R712 R739 R740 C707 R663 R662 R155 R152 R151 R665 C723 C724 R716 IC701 R756 C702 C701 R745 R743 R753 R752 R755 R757 R729 R731 R704 C762 R744 R751...

Страница 24: ...0 270 R181 270 D101 1SS133 D102 11E1N IC199 M24C01 BN6 MEMORY IC 1 2 3 4 5 6 7 8 GND B Vout OS101 PIC 28143SY 2 1 2 3 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS TH...

Страница 25: ...R601 1K R602 1K R202 100K R201 100K R665 1K R624 24K R623 24K R622 1K R611 22K 1 4W R643 51 1 2W R218 2 7K R644 220 1 2W R655 3 3K R669 3 3K R6621K R618 1M R663 2 2K R660 100 R656 1K R614 820 R638 3 9...

Страница 26: ...C414 100 35V MHE C404 470 16V YK C401 10 16V KA C433 470 35V YK C418 1000 25V MHE C405 470 16V YK C448 22 100V YK C426_1 3300 6 3V YK IC402 BA05T 5V REG IC 1 2 3 R413 470 1 2W R425 180 1 2W R426 470 1...

Страница 27: ...C514 0 0027 2KV BP C518 470P 500V B C511 0 0022 B C508 0 001 125V MX C526 330 10V MHE C541 47 160V BXA C510 100 35V MHE C540 1 160V MHE IC502 KIA7805PI 5V POWER REG IC 1 2 3 R515 10K R523 10K R521 10K...

Страница 28: ...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 F...

Страница 29: ...47K R714 47K R715 1K R707 1K R739 47K R740 75 R711 820 R709 820 R712 47K R710 47K R734 1K R708 75 R754 10K R760 100 1 2W R765 3 3K R759 3 3K R719 75 R716 1K R761 10 R766 47K R720 1K R721 1K R749 10K R...

Страница 30: ...2 50V KA C749 2 2 50V KA R751 1 8K R756 100K R752 1 8K R757 100 R755 100 R745 4 7K R753 1K R743 4 7K R744 1K R731 560 R729 560 R723 220K R702 100 R701 100 R705 1 8M R730 180K R732 100K R727 470 R725...

Страница 31: ...ng balloon number in the schematic diagram H 1 1V 0 5ms div 11 5 0 5V 1ms div 16 1V 20 s div CHROMA 12 20V 20 s div 0 5V 20 s div 7 200mV 5ms div 1 2 0 5V 20 s div 0 5V 20 s div 8 13 200mV 20 s div 3...

Страница 32: ...matic diagram WAVEFORMS H 2 DEFLECTION CRT 18 0 5V 5ms div 10V 5ms div 22 10V 5ms div 23 SOUND AMP 31 200mV 1ms div 19 20V 20 s div 50V 20 s div 24 20 2V 20 s div 25 50V 20 s div POWER 200V 20 s div 1...

Страница 33: ...WAVEFORMS NOTE The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram H 3 33 500mV 5 s div 34 20 0V 20 s div...

Страница 34: ...3 110 107 109 111 201 201 201 112 201 201 201 201 203 J801 PCB110 CRT PCB ASS Y 118 106 207 118 118 118 V801 207 207 207 L503 113 105 117 117 116 114 116 102 202 PCB010 MAIN PCB ASS Y TU001 204 105 11...

Страница 35: ...A0009 HOLDER CRT WIRE 117 8994201000 HOLDER CRT WIRE 118 769WSA0009 WASHER CRT T 1 119 HEAT SINK 120 800WQ00045 FELT SHEET 5x150xT0 5 121 8995034000 CORD CLIP UL CO 122 7240001041 SHEET CSA WARNING 12...

Страница 36: ...M24C01 BN6 C433 E02LF4471M CE 470 UF 35V IC201 I03FE814B0 IC LA76814BM MPB C434 E02LT8220M CE 22 UF 100V IC351 I03SP46000 IC LA4600 C437 P411F3564J CMPP 0 56 UF 250V ECWF IC401 I03SD78410 IC LA7841 C...

Страница 37: ...VARIABLE RESISTORS VR401 V126213BT2 VOLUME SEMI FIXED RH0684C13R VR502 V1263L2BTC VOLUME SEMI FIXED RH063MCN2R P C BOARD ASSEMBLIES PCB010 A3I011H01A PCB ASS Y TM9441A PCB110 A3I011H11A PCB ASS Y TC93...

Страница 38: ...M3I0 11H A993514 SPEC NO O R NO...

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