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Insignia IS-TV040923, Руководство по обслуживанию

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IC DESCRIPTION

OEC7091C (IC101)

No.

PIN NAME

I/O

DESCRIPTIONS

Function

1

CNVSS

I/O Ground.

2

XIN

I

Ground.

3

XOUT

O Not 

used.

4

TEST1

 5V.

5

VSS

I

Ground.

6

MCU VCC

I

5V.

7

TEST0

Ground.

8

FILT

I

Condenser connection for FILT.

9

HLT

I/O Condenser connection for HLT.

10

VHOLD

I/O Condenser connection for V.HOLD.

11

CVIN

I/O Composite Video input terminal.

12

RESET IN

I

Reset will be done when the voltage goes to LOW.

13

MCU RESET OUT

Reset will be done when the voltage goes to LOW.

14

Y SW OUT

Condenser connection for Y SW OUT.

15

V/C GND

Ground.

16

3.58 XTAL

Connect the main crystal. (3.579545MHz)

17

C-APC

Condenser connection for C-APC.

18

MCU5.7V REG OUT

Power of CPU.

19

NC

Not used.

20

CVBS IN3

Connect the Video input signal for tuner.

21

AUDIO IN3

Not used.

22

V/C VCC

5V.

23

MCU TEST

Ground.

24

CVBS IN2

Composite Video input terminal.

25

AUDIO IN2

Not used.

26

CVBS IN1

Composite Video input terminal.

27

AUDIO IN1

Not used.

28

5.7V REG OUT

5.7V.

29

C (Y/C) IN

Input terminal of C-IN.

30

Y (Y/C) IN

Input terminal of Y-IN.

31

VREG OUT

Power of CPU.

32

FSC OUT

Not used.

33

MONITOR OUT

Not used.

34

AUDIO ATT OUT

Not used.

35

AUDIO ATT FILTER

Not used.

36

NC

Ground.

37

V RAMP F/B

Input terminal of V-FEEDBACK.

38

V RAMP OUT

Output terminal for V.OUT.

39

V RAMP CAP

Condenser connection for V.RAMP CAP.

40

8.7 REG OUT

8.7V.

F-1

Содержание IS-TV040923

Страница 1: ...SERVICE MANUAL IS TV040923 S M CODE NO M3T111DASM DATE OF ISSUE 3 2005 COLOR TELEVISION RECEIVER ORIGINAL VERSION A All the specifications and features are subject to change without notice ...

Страница 2: ...NS 1 REMOVAL OF ANODE CAP 2 REMOVAL AND INSTALLATION OF FLAT PACKAGE IC SERVICE MODE LIST CONFIRMATION OF HOURS USED WHEN REPLACING EEPROM MEMORY IC ELECTRICAL ADJUSTMENTS TROUBLESHOOTING GUIDE IC DESCRIPION SEMICONDUCTOR BASE CONNECTIONS BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT SCHEMATIC DIAGRAMS MICON CHROMA TUNER DEFLECTION CRT POWER SOUND AV WAVEFORMS MECHANICAL EXPLODED VIEW MECHANICAL R...

Страница 3: ...edance HV meter connected between the second anode lead and the CRT dag grounding device When servicing the High Voltage System remove static charges from it by connecting a 10k ohm resistor in series with an insulated wire such as a test probe between the picture tube dag and 2nd anode lead have AC line cord disconnected from AC supply The picture tube used in this receiver employs integral implo...

Страница 4: ...onsumption at AC 125 W at AC 120 V 60 Hz Stand by at AC 5 W at AC 120 V 60 Hz Per Year kWh Year Protector Power Fuse Yes Safety Circuit Yes IC Protector Micro Fuse No G 4 Regulation Safety UL CSA Radiation FCC IC X Radiation DHHS HWC G 5 Temperature Operation 5o C 40o C Storage 20o C 60o C G 6 Operating Humidity Less than 80 RH G 7 On Screen Menu Yes Display Menu Type Character Picture Yes Contras...

Страница 5: ...n Format Orion Custom Code 86 05 h Power Source Voltage D C 3V UM size x pcs UM 4 x 2 pcs Total Keys 28 Keys Keys Power Yes 1 Yes 2 Yes 3 Yes 4 Yes 5 Yes 6 Yes 7 Yes 8 Yes 9 Yes 0 Yes 100 No CH Up Yes CH Down Yes Volume Up Yes Volume Down Yes TV Caption Text Yes CH1 CH2 Yes TV Video TV AV Yes CH RTN CH ENT Quick View Yes Sleep Yes RE Call Call Yes Reset Yes Menu Yes Enter Yes Mute Yes Exit No MTS ...

Страница 6: ...Unit Yes Rod Antenna No Poles Terminal Loop Antenna No Terminal U V Mixer No DC Car Cord Center No Guarantee Card Yes Warning Sheet No Circuit Diagram No Antenna Change Plug No Service Facility List No Important Safeguard No Dew AHC Caution Sheet No AC Plug Adapter No Quick Set up Sheet No Battery No UM size x pcs OEM Brand No AC Cord No AV Cord 2Pin 1Pin No Registration Card No Information Sheet ...

Страница 7: ...x 571 5 G 15 Weight Net Approx 36 5kg 80 5 lbs Gross Approx 40 5Kg 89 3 lbs G 16 Carton Master Carton No Content Sets Material Dimensions W x D x H mm x x Description of Origin No Gift Box Material Double Brown Dimensions W x D x H mm 731 x 580 x 665 Design As per Buyer s Description of Origin Yes Drop Test Natural Dropping At 1 Corner 3 Edges 6 Surfaces Height cm 31 Container Stuffing 192 Sets 40...

Страница 8: ...ip 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 wit...

Страница 9: ... the IC leads using a blower type IC desoldering machine Refer to Fig 2 2 2 Fig 2 2 NOTE Do not rotate or move the IC back and forth until IC can move back and forth easily after desoldering the leads completely When IC starts moving back and forth easily after desoldering completely pickup the corner of the IC using a tweezers and remove the IC by moving with the IC desoldering machine Refer to F...

Страница 10: ...2 8 Thin 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 sure to replace the IC in this case Finally confirm the soldering status on four sides of the IC using a magnifying glass Confirm that no abnormality is found on the soldering position and insta...

Страница 11: ...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 ADDRESS DATA INIT 00 10 CRT ON 0010 WHEN REPLACING EEPROM 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 1 2 3 4 5 6 7 8 9 ...

Страница 12: ...out signal Using the remote control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 01 on the remote control to select CUT OFF Adjust the Screen Volume until a dim raster is obtained FUNCTION OSD H CUT OFF H VCO H PHASE V SIZE V SHIFT R DRIVE B DRIVE R BIAS G BIAS B BIAS BRIGHT CENT BRIGHT MAX BRIGHT MIN NO 00 01 04 05...

Страница 13: ...ntrol 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 6 VERTICAL SIZE 1 2 3 4 Receive the monoscope pattern Using the remote control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 06 on the remote control to select V SIZ...

Страница 14: ...V mode Then perform the above adjustments 2 6 Fig 2 3 120 white 100 2 15 TINT 1 2 3 4 5 6 7 Receive the color bar pattern RF Input Using the remote control set the brightness contrast color and tint to normal position Connect the oscilloscope to TP024 Activate the adjustment mode display of Fig 1 1 and press the channel button 22 on the remote control to select TINT Press the VOL UP DOWN button on...

Страница 15: ...ten the screw for the magnet Refer to the adjusted CRT for the position Refer to Fig 3 1 If the deflection yoke and magnet are in one body untighten the screw for the body Receive the green raster pattern from the color bar generator Slide the deflection yoke until it touches the funnel side of the CRT Adjust center of screen to green with red and blue on the sides using the pair of purity magnets...

Страница 16: ...404 SPEAKER CD1001 CP1001 DEGAUSS COIL CP502 C R T CD802 VR502 VR401 S501A FB401 CP803A VR403 J701 J705 W130 CP601 S501B TP401 TU001 CP802A J712 J711 J710 CD501 CD803 C D 8 0 1 C P 4 0 1 C R T ELECTRICAL ADJUSTMENTS 4 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE WIRING CONNECTION D 5 ...

Страница 17: ...tage at the point B in the Figure DC164V Is the voltage at the point C in the Figure AC120V Yes No Broken wire of L501 Is the voltage on both ends of S501 AC120V Broken wire of F501 Yes No Broken wire of AC cord or check S501 Is the voltage at the point E in the Figure AC120V Check Q501 and associated circuit Check Q502 and associated circuit No T502 5 8 A D S G 3 Q502 Q501 IC501 R503 R501 B D501 ...

Страница 18: ...he output circuit and associated circuit Check the 180V line Yes Yes No Contact defects of CRT or CRT Socket Check the HEATER circuit Yes No Is collector voltages of Q401 DC114V and Q402 DC27V Check FB401 and associated circuit No Yes Is the waveform at base of Q401 normal No Yes Is the waveform at pin 46 of IC101 normal Check the circuit from pin 46 of IC101 to Q402 Check IC101 and associated cir...

Страница 19: ...of J801 Are the waveforms at pin 3 4 and 5 of CP802 normal Yes No Check the output circuit and associated circuit Are the waveforms at pin 50 51 and 52 of IC101 normal Yes No Check R G B signal output from IC101 to R G B output circuit Is the pulse of crystal X601 normal No Yes Check the associated circuit of IC101 Check X601 ...

Страница 20: ...heck the circuit from pin 5 of IC401 to CP401 Is the waveform at pin 7 of IC401 normal Yes No Is the waveform at pin 2 of IC401 normal Yes No Check IC401 and check associated circuit Check the 25V line Is the waveform at pin 38 of IC101 normal No Yes Check the associated circuit of IC101 Check the circuit from pin 38 of IC101 to pin 7 of IC401 ...

Страница 21: ...D Yes Is sound setting appropriate Is the waveforms at pin 7 and 12 of IC1001 Yes No Check speaker Yes No Check IC901 and associated circuit Is the Audio signal input at pin 23 and pin 24 of IC901 Check J711 J712 and associated circuit ...

Страница 22: ... Connect the main crystal 3 579545MHz 17 C APC Condenser connection for C APC 18 MCU5 7V REG OUT Power of CPU 19 NC Not used 20 CVBS IN3 Connect the Video input signal for tuner 21 AUDIO IN3 Not used 22 V C VCC 5V 23 MCU TEST Ground 24 CVBS IN2 Composite Video input terminal 25 AUDIO IN2 Not used 26 CVBS IN1 Composite Video input terminal 27 AUDIO IN1 Not used 28 5 7V REG OUT 5 7V 29 C Y C IN Inpu...

Страница 23: ...lock terminal for I2CBUS communication C MOS 59 NC Ground 60 NC Ground 61 NC Ground 62 DEGAUSS_H O Degauss control output Nch OD 63 STANBY_H O 5V Nch OD 64 VOLUME O PWM output of volume control Nch OD 65 NC I AV S VIDEO control sw 66 AFT I Input terminal of AFT Nch OD 67 KEY1 I Main unit key input Nch OD 68 KEY2 I Main unit key input Nch OD 69 POWER ON I Main unit key input Nch OD 70 REMOCON I Rec...

Страница 24: ...0 FE201 6L49 MTZJ12B T 77 MTZJ18B T 77 MTZJ2 2B T 77 MTZJ33B T 77 MTZJ4 7B T 77 MTZJ5 1B T 77 MTZJ5 6B T 77 MTZJ8 2B T 77 MTZJ9 1B T 77 TRANSISTOR LA78041 PS2561AL1 1 V W KTA1266 AT Y GR KTC3198 AT Y GR 2SC4159 D E 2SK3326 2 2SC4217 D E RAC KTC3199_Y AT KTC3203_Y AT KTC3209_Y AT KTC3227_Y AT 2SA1530A T1 2SD2499 LBOEC1 2SC3052 T1 KRC111SRTK 1 1 1 1 1 7 1 E C B E C B B CE E C B E C B E C B E C B G 1...

Страница 25: ...C 2 H PHASE 1 DY Q507 FEED BACK T501 3 8 15 FEED BACK SW Q502 BUFFER 5 MEMORY IC IC199 AT24C04N 10SU 2 7 POWER VOL DOWN CH DOWN VOL UP CH UP X601 3 579545MHz OS101 1 13 MICON CHROMA IC IC101 OEC7091C Chroma Proc ACC C BPF APC KILLER TINT DEMO IC501 PS2561AL1 1 V W TU001 13 12 11 10 17 66 SOUND DECORDER IC IC901 AN5829S E1V Q501 SWITCHING D501 D504 RECTIFIER AC IN F501 L503 DEGAUSS COIL TH501 RY501...

Страница 26: ...062 W088 W087 W029 W027 W011 C002_1 W026 W056 R515 W083 W064 W039 Q401 D803 TP023 TP024 TP022 CP801 R804 R802 D801 D802 Q803 Q801 Q802 J801 CP806_1 R806 R807 R803 R805 C802 W115 W003 D001 C004 W014 W030 W095 D606 W809 W036 W042 W044 W114 W057 D511 R516 W839 W105 D406 D417 C633 R817 W047 C1013_1 C1014_1 W075 C1016 W058 W071 R127 W054 W053 W055 W834 R1010 W829 W851 R132 W019 R124 W024 C520_1 C440 C4...

Страница 27: ...R103 R102 C108 C107 C105 C104 C101 C102 I C 1 0 1 R734 C716 C715 C917_1 C914_1 IC901 C912 C918_1 C916_1 C908 R903 R115 R123 R004 R003 C001 C811 C810 C809 R801 R810 R808 R813 R811 R816 R814 R815 C1004 R319 C1007 R131 R129 R1017 C813 Q901 C612 C615 C653 C512_1 C727 Q902 Q407 Q507 C106 C605 C911 R006 R818 R809 R812 R104 R602 C602 C620 IC199_1 C913 R733 R135 C641 C642 C640 Q1003 W881 R1019 PRINTED CIR...

Страница 28: ...14 15 16 17 18 19 2 20 21 3 4 5 6 7 8 9 TM101 RC DW180 GND B Vout OS101 KSM 713SY 1 2 3 Y_IN P CON 5V P CON 5V H_OUT H_CTL ABCL H_CTL G OUT R OUT H_SYNC B OUT CLAMP PROTECT DEGAUSS_H V_OUT GND V_FEEDBACK AT 5V ABCL H_OUT P CON 8V B X RAY SDA R OUT G OUT SCL UNREG 12V B OUT H_SYNC VOLUME ON_TIMER AFT POWER_FAIL KEY1 V_OUT UNREG 12V B KEY2 V_FEEDBACK DEGAUSS_H GND POWER_ON REMOCON C_IN MONO_R_V_IN V...

Страница 29: ...4 330 1 4W R427 100 1 4W R443 3 9K 1 4W R445 18K 1 4W R441 18K1 4W R438 10K 1 4W R458 1 5K 1 2W R419 820 1 4W R430 5 6K 1 4W R412 2701 2W R446 470 1 2W R444 22K 1 4W R431 47K 1 4W R440 220K1 4W R411 1K 1 2W R415 560 1 2W R410 560 1 2W R420 6 8K 1 4W R455 2 7K 1 4W R454 1 5K 1 2W R459 820 1 2W R816 270 R815 270 R437 2 7K R802 2 7K 1 4W R806 2 7K 1 4W R801 220 R808 220 R810 220 R814 2 7K R811 2 7K R...

Страница 30: ... 270 1 4W R555 100K 1 4W R533 1K R500 2 7M 1 2W 10 R504 10K 1 2W R507 150 1 4W R514 6 8K 1 4W R554 15K 1 4W R515 10K 1 4W R520 1 5M 1 2W R516 5 6K 1 4W R511 1 2M 1 2W R503 1 2M 1 2W R508 100 1 4W R505 10K R532 820 R547 1 5K 1 4W R513 2 2K 1 2W R534 100 R543 330 1 2W D519 1SS133 D520 1N4937 B EIC D521 1SS133 D508 1SS133 D518 1SS133 D502 RM11C EIC D501 RM11C EIC D504 RM11C EIC D503 RM11C EIC D514 1S...

Страница 31: ... DIAGRAM IS THE LATEST AT THE TIME DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE LES PIECES REPAREES PAR UN ETANT ATTENTION SINCE THESE PARTS MARKED BY CAUTION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE W852 W894 W866 W867 W829 W881 W834 AUDIO SIGNAL SCL SDA AUDIO_MUTE VOLUME GND REAR_AUDIO_R REAR_AUDIO_L FRONT_AUDIO_R FRONT_A...

Страница 32: ...WAS MEASURED C734_1 0 001 500V W108 B C724_1 0 0033 B C723_1 0 0033 B C716 0 0033 B C715 0 0033 B C727 0 1 B C729_2 10 25V KA C704 10 25V KA C703_1 10 25V KA C701_1 10 25V KA C702_1 10 25V KA R707 1 2K R708 75 R734 1K R740 75 R722 75 R723 75 R733 1K R711 1K R709 1K R724 220 1 4W OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME W877 W876 W875 C7...

Страница 33: ...µs div 200mV 20µs div 8 1V 20µs div 7 DEFLECTION CRT 14 0 5V 5ms div 15 20V 20µs div 16 2V 20µs div 50V 20µs div 20 10V 5ms div 19 200V 20µs div 17 10V 5ms div 18 21 50V 20µs div K 1 NOTE The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram ...

Страница 34: ...forms were measured at the point of the corresponding balloon number in the schematic diagram 22 50V 20µs div SOUND 25 0 5V 1ms div 26 200mV 1ms div 200mV 1ms div 27 31 200mV 1ms div 0 5V 1ms div 32 0 5V 1ms div 33 28 200mV 1ms div K 2 ...

Страница 35: ... 203 107 208 104 103 201 201 FB401 202 208 105 207 207 207 207 109 109 109 109 V801 111 111 111 111 J801 PCB110 CRT PCB ASS Y 101A 204 204 101D 204 204 101D 101B 101E 101 101C 108 SP1001 204 204 206 102A 102C 102C 206 206 102B 102 206 206 206 206 205 106 110 ...

Страница 36: ...PA0009 HOLDER CRT WIRE 110 726000A077 SHEET CRT SERVICEMAN 111 769WSAA008 WASHER CRT T 0 5 201 810763080U SCREW TAP TITE S BRAZIER 3x8 202 8109I30A0U SCREW TAP TITE B WH7 3x10 203 810963080Q SCREW TAP TITE B BRAZIER 3x8 204 8110630A2U SCREW TAP TITE P BRAZIER 3x12 205 8110630A0U SCREW TAP TITE P BRAZIER 3x10 206 8117540B0U SCREW TAP TITE B0 TRUSS 4x20 207 8141H60D0U SCREW TAP TITE P GW20 6x40 208 ...

Страница 37: ...6392F R METAL 3 9K OHM 1 6W R611 R002T4103J RC 10K OHM 1 4W R409 R4X5T6153F R METAL 15K OHM 1 6W R613 R002T4101J RC 100 OHM 1 4W R410 R002T2561J RC 560 OHM 1 2W R614 R002T4101J RC 100 OHM 1 4W R411 R002T2102J RC 1K OHM 1 2W R615 R002T4101J RC 100 OHM 1 4W R412 R002T2271J RC 270 OHM 1 2W R616 R803R9682J RC 6 8K OHM 1 16W R414 R002T4331J RC 330 OHM 1 4W R617 R803R9273J RC 27K OHM 1 16W R415 R002T256...

Страница 38: ...CC 0 0033UF 50V B C434 E02LU8220M CE 22 UF 100V C724 CS0PB04L3K CC 0 0033UF 50V B C435 P611T1104J CMPL 0 1 UF 100V TF C727 CS0PB0315K CC 0 1 UF 25V B C436 P6M9T0334J CMPL 0 33 UF 50V TF C729 E50HU3100M CE 10 UF 25 V C437 P6M9T0473J CMPL 0 047 UF 50V TF C734 C0JTB0513K CC 0 001 UF 500V B C439 E02LU4101M CE 100 UF 35V C802 C0JBB0713K CC 0 001 UF 2KV B C440 P611W1103J CMPL 0 01 UF 100V TF C809 CS0PCH...

Страница 39: ...ZENER MTZJ4 7B T 77 CD501 1209415910 CORD AC BUSH 9415910 D528 D97U05R61B DIODE ZENER MTZJ5 6B T 77 CD801 06CH823004 CORD CONNECTOR CH823004 D603 D1VT001330 DIODE SILICON 1SS133T 77 CD802 WCL6854038 FLAT CABLE AWM2468 AWG26 5C GRAY 540MM D604 D97U08R21B DIODE ZENER MTZJ8 2B T 77 CD803 WBL6040038 FLAT CABLE AWM2468 AWG26 4C BLACK 400MM D606 D2MXN40020 DIODE FAST RECOVERY 1N4002 PAN CP401 069S460089...

Страница 40: ...A B C D MODEL NUMBER and VERSION NUMBER Located on the back of the unit EX VR0100 Model no VERSION A Version no PART NO and DESCRIPTION Located in your SERVICE MANUAL See pages M1 1 M2 3 EX I235953420 STK5342 Voltage Regulator QUANTITY Mailing address and NAME EX ABC Service Center 111 Broadway NEW YORK N Y 10005 ATTN MR X Y Z DESCRIPTION PART NO ...

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