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Service Manual

MT1132

13” Color Television

THIS SERVICE MANUAL IS FOR MT1132 SUFFIX A , B ,

C AND D CRT USAGE

SUFFIX A

SUFFIX B

SUFFIX C

SUFFIX D

V451

5721-014ST37N
(37GDA86X)

5721-37CN030T
(370KSB22(SYB))

5721-026TT37N
(A34JFQ90X)

5721-030ZT37N
(A34JXV70X)

DY501

4993-117

4993-052

4993-110

4993-124

Summary of Contents for MT-1132

Page 1: ...HIS SERVICE MANUAL IS FOR MT1132 SUFFIX A B C AND D CRT USAGE SUFFIX A SUFFIX B SUFFIX C SUFFIX D V451 5721 014ST37N 37GDA86X 5721 37CN030T 370KSB22 SYB 5721 026TT37N A34JFQ90X 5721 030ZT37N A34JXV70X...

Page 2: ...C Power Consumption 77Watts Chassis Construction IC Solid State Picture Tube 13 measured diagonally Speaker 3 5 x 2 in 90 x 50 mm Oval 8 ohms Tuner 181 Channel Freq Synthesized Remote Control Infrared...

Page 3: ...ame type number for continued safety Do not lift picture tube by the neck Handle the picture tube only when wearing shatter proof goggles and after discharging the high voltage completely Keep others...

Page 4: ...ng up the adjustment mode menu screens shown below 2 From the menu screen press the or button on the Remote Control to select the item to be adjusted 3 Press the MENU button on the Remote Control to e...

Page 5: ...REMOTE CONTROL LAYOUT 4 V I D E O V I D E O VIDEO...

Page 6: ...2SC2120 0 Audio Amplifier PICTURE TUBE V451 37GDA86X CRT SUFFIX A V451 A34JFQ90X CRT SUFFIX C V451 370KSB22 SYB CRT SUFFIX B V451 A34JXV70X CRT SUFFIX D CHASSIS REMOVAL 1 Remove 4 screws 177 from Cab...

Page 7: ...a Terminal TE1 through TV Channel Signal Generator 2 Connect wire of DC Digital Voltmeter to TP6 and wire to TP4 Figure 1 3 Adjust T202 so that the DC Digital Voltmeter reading is 2 0V 0 1V FIG 1 SUB...

Page 8: ...in the static convergence procedure 3 Set the Contrast control to minimum position and Brightness control as far maximum as possible without causing the picture to bloom 4 Apply green raster signal f...

Page 9: ...ely converged at these points readjust the spacing between the two tabs to complete convergence of the magenta and green dots lines 10 If necessary repeat step 7 8 and 9 until proper convergence is ob...

Page 10: ...level of the color which appeared first by remote control refer to page 4 for remote control key combination and position so that voltage between TP16 and TP15 blue TP14 green or TP13 red is 20 1V 7 T...

Page 11: ...F AGC ADJUSTMENT 1 Connect TV Channel Signal Generator to EXT Antenna Terminal TE1 2 Connect positive lead of DC Digital Voltmeter to TP5 and negative lead of DC Digital Voltmeter to TP4 3 Adjust leve...

Page 12: ...P4 is 0 9Vp p 0 1Vp p same with the waveform at probe 1 Refer to Figure 7 Fig 7 AUDIO IN ADJUSTMENT 1 Connect Pattern Generator 1Vp p Color Bar Pattern to video jack J701 2 Connect Audio Generator to...

Page 13: ...TEST POINT 12 PCB 2 TU 1 TP3 IC101 TP8 VIDEO T202 T203 TP 7 IC301 T671 C609 TE1 TP5 AGC TP4 GND D 5 5 2 TP11 TP6 AFT TP 2 TP1 SU401 R452 R451 R453 TP15 TP13 TP14 PCB 1 TP16 TP 9 TP10 VR701 VR702 D552...

Page 14: ...MINAL No 31 32 33 34 35 36 37 38 39 40 Volt 0 7 1 2 7 7 6 3 0 0 2 9 3 2 3 0 1 6 5 2 TERMINAL No 41 42 43 44 45 46 47 48 49 50 Volt 3 0 5 0 5 0 2 0 1 8 9 1 4 0 9 1 8 1 8 1 TERMINAL No 51 52 53 54 55 56...

Page 15: ...CHASSIS WAVEFORM 14 WF 1 1 0Vp p H WF 2 9 7Vp p H WF 3 47 2Vp p V WF 4 1 7Vp p V WF 5 27 4Vp p H WF 6 24 4Vp p H WF 7 25 8Vp p V WF 8 202Vp p H WF 9 0 75Vp p H...

Page 16: ...WIRING DIAGRAM 15...

Page 17: ...16 SCHEMATIC DIAGRAM MCT5315 S M p15 18 28 3 01 12 10 pm 17...

Page 18: ...NOTE X X X X X X X X P C BOARDS PCB 1 MAIN P C BOARD PCB 2 CRT SOCKET P C BOARD 17 MT1132 MT1133 MT1192...

Page 19: ...EXPLODED VIEW 18 180 179 158...

Page 20: ...V Electrolytic AA A412 13V1109B Cabinet C209 5345 476 16 47 uF 20 16V Electrolytic AB A422 13V1109B Cabiback SUFFIX A C210 V5369 S04FZ103 0 01 uF 80 20 25V Semiconductor AB A422 13V1109C Cabiback SUFF...

Page 21: ...B C802 V5369 S03XM222 2200 pF 20 16V Semiconductor C551 V5369 S04FZ103 0 01 uF 80 20 25V Semiconductor C803 5345 476 16 47 uF 20 16V Electrolytic C552 5345 225 50 2 2 uF 20 50V Electrolytic C804 5345...

Page 22: ...n R181 V5133 R010J333 33 k ohm 5 1 8W Carbon R518 5232 223J16P 22 k ohm 5 1 6W Carbon R192 V5133 R010J102 1 k ohm 5 1 8W Carbon R519 5232 563J16P 56 k ohm 5 1 6W Carbon R193 V5133 R010J102 1 k ohm 5 1...

Page 23: ...tor 2SC2785 F R721 5135 S051J335 3 3 M ohm 5 1 2W Carbon Q753 5613 2785 F Transistor 2SC2785 F R751 V5133 R010J153 15 k ohm 5 1 8W Carbon Q801 5613 2785 F Transistor 2SC2785 F R752 V5133 R010J102 1 k...

Page 24: ...443 0501142 Connector 5 pin DY D602 5632 1N4004E Diode RL1N4004 E CN601 4443 10101002 Connector 2 pin DEGAUSS D603 5632 1N4002E Diode RL1N4002 E CN801 4443 03201003 Connector SP D605 5635 RD8R2ES2 Zen...

Page 25: ...LLANEOUS RESISTORS SU451 4474 08001 Socket R451 5171 S071J153 15 k ohm 5 1W Metal R452 5171 S071J153 15 k ohm 5 1W Metal R453 5171 S071J153 15 k ohm 5 1W Metal R454 5134 272J25P 2 7 k ohm 5 1 4W Carbo...

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