Durabrand DBTV1301 Service Manual
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Durabrand DBTV1301 Service Manual

Durabrand DBTV1301 Service Manual

Color television receiver
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DBTV1301

SERVICE MANUAL

COLOR TELEVISION RECEIVER
ORIGINAL
MFR'S VERSION B
Design and specifications are subject to change without notice.

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Summary of Contents for Durabrand DBTV1301

  • Page 1: Service Manual

    DBTV1301 SERVICE MANUAL COLOR TELEVISION RECEIVER ORIGINAL MFR'S VERSION B Design and specifications are subject to change without notice.
  • Page 2 DBTV1301 SERVICE MANUAL COLOR TELEVISION RECEIVER REVISION 2 MFR’S VERSION H MFR’S VERSION PCB010 TU001 V801 TMX494A NJH3022U268 A34AGT13X98(L) A34JXV70X28N45 TECC1040PG32D TMX494B A34AGT13X98(L) Please file the revision with the original version.
  • Page 3 Change of CRT ELECTRICAL REPLACEMENTPARTS LIST MFR'S VERSION I MFR'S VERSION H PART NO. DESCRIPTION PART NO. DESCRIPTION REF. NO. ! V801 098Q1404B2 CRT W/DY A34AGT13X98(L) 098Y140497 CRT W/DY A34JXV70X28N45 ! R429 R655812R7J R,FUSE 2.7 OHM 1W R655812R2J R,FUSE 2.2 OHM 1W C804 CS0KB04K2K CC 270 PF 50V B...
  • Page 4 M3J8-04C SPEC.NO. K193015 O/R NO.
  • Page 5 DBTV1301 SERVICE MANUAL COLOR TELEVISION RECEIVER ORIGINAL MFR'S VERSION B Design and specifications are subject to change without notice.

  • Page 6: Servicing Notices On Checking

    SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES 6. AVOID AN X-RAY As for the places which need special attentions, Safety is secured against an X-ray by consider- they are indicated with the labels or seals on the ing about the cathode-ray tube and the high cabinet, chassis and parts.

  • Page 7: Table Of Contents

    CONTENTS SERVICING NOTICES ON CHECKING ...................... A1-1 HOW TO ORDER PARTS ........................... A1-1 IMPORTANT ..............................A1-1 CONTENTS ..............................A2-1 GENERAL SPECIFICATIONS ........................A3-1~A3-4 DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF ANODE CAP......................B1-1 2. REMOVAL AND INSTALLATION OF FALT PACKAGE IC............B2-1, B2-2 SERVICE MODE LIST ..........................

  • Page 8: General Specifications

    GENERAL SPECIFICATIONS G - 1 CRT Size / Visual Size 13 inch / 335.4mmV System CRT Type Normal Deflection degree Magnetic Field BV/BH +0.45G/0.18G Color System NTSC Speaker 1Speaker Position Bottom Size 3 Inch Impedance Sound Output 1.0 W 10%(Typical) 0.8 W NTSC3.58+4.43 /PAL60Hz G - 2...
  • Page 9 GENERAL SPECIFICATIONS CH Label Sleep Timer Sound Mute V-chip Rating G - 8 OSD Language English French Spanish OSD Language Setting English G - 9 Clock and Sleep Timer Max Time 120 Min Timer Step On/Off Timer Program(On Tim / Off Tim) Wake Up Timer Timer Back-up (at Power Off Mode) more than...
  • Page 10 GENERAL SPECIFICATIONS Game Position CH Label VM Circuit Full OSD Premiere Comb Filter Lines Auto CH Memory Hotel Lock Closed Caption Stable Sound Energy Star Favorite CH G - 1 2 Accessories Owner's Manual Language English /French w/Guarantee Card Remote Control Unit Rod Antenna Poles Terminal...
  • Page 11 GENERAL SPECIFICATIONS Material Dimensions W x D x H(mm) x -- x -- Description of Origin Gift Box Material Double Full Color Carton W/Photo Dimensions W x D x H(mm) x 408 x 380 Design As per Buyer's Description of Origin Natural Dropping At 1 Corner / 3 Edges Drop Test / 6 Surfaces...

  • Page 12: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF ANODE CAP 3. After one side is removed, pull in the opposite direction to remove the other. Read the following NOTED items before starting work. NOTE After turning the power off there might still be a potential Take care not to damage the Rubber Cap.
  • Page 13 DISASSEMBLY INSTRUCTIONS REMOVAL AND INSTALLATION OF When IC starts moving back and forth easily after desoldering completely, pickup the corner of the IC using FLAT PACKAGE IC a tweezers and remove the IC by moving with the IC desoldering machine. (Refer to Fig. 2-3.) REMOVAL NOTE Put the Masking Tape (cotton tape) around the Flat...
  • Page 14 DISASSEMBLY INSTRUCTIONS INSTALLATION When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thin- Take care of the polarity of new IC and then install the tip Soldering Iron. (Refer to Fig. 2-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.

  • Page 15: Service Mode List

    SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter the Service Mode, press both set key and remote control key for more than 1 second. Set Key Remocon Key Operations Releasing of V-CHIP PASSWORD.

  • Page 16: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS BEFORE MAKING ELECTRICAL 2. BASIC ADJUSTMENTS ADJUSTMENTS 2-1: RF AGC DELAY Read and perform these adjustments when repairing the Place the set with Aging Test for more than 15 minutes. circuits or replacing electrical parts or PCB assemblies. Receive an 63dB monoscope pattern.
  • Page 17 ELECTRICAL ADJUSTMENTS 2-5: SUB TINT/SUB COLOR 2-8: VERTICAL SHIFT NOTE: Adjust after performing adjustments in section 2-7 Receive the color bar pattern. Connect the oscilloscope to TP023. Receive the crosshatch signal from the Pattern Activate the adjustment mode display of Fig. 1-1 and Generator.
  • Page 18 ELECTRICAL ADJUSTMENTS 2-13: Confirmation of Fixed Value (step No.) Please check if the fixed values of the each adjustment items are set correctly referring below. FUNCTION H VCO BRIGHT MAX BRIGHT MIN CONT CENT CONT MIN COLOR MAX COLOR MIN SHARPNESS FM LEVEL LEVEL...

  • Page 19: Purity And Convergence

    ELECTRICAL ADJUSTMENTS PURITY AND CONVERGENCE 3-3: STATIC CONVERGENCE ADJUSTMENTS NOTE Adjust after performing adjustments in section 3-2. NOTE Receive the crosshatch pattern from the color bar Turn the unit on and let it warm up for at least 30 generator. minutes before performing the following adjustments.
  • Page 20 ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CD802 CP601 TU001 FB401 CP401 W043 L503 CP502 T502 S501B CP806 TP022 TP023 S501A CD101B CD101A CD501 MAIN PCB CRT PCB AC IN SPEAKER...

  • Page 21: Block Diagram

    BLOCK DIAGRAM J1001 TU001 CH. UP CHROMA IC IC601 M61250FP X602 IC1001 AN7511 3.579545MHz VOL. UP X' TAL AUDIO OUT SOUND AMP SP1001 MICON IC CH. DOWN RF AGC OUT CF601 IC101 OEC7073A SAW FILTER VIF IN (1) VOL. DOWN Q606 AUDIO MUTE VIF IN (2)

  • Page 22: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS MAIN/CRT (INSERTED PARTS) SOLDER SIDE J1001 CP502 TH501 S501B R500 CD501 L501_1 C502 FH502 F501 FH501 S501A OS101 4A125VOR250V D504 W819 C801 B503 C514 Q502 C503 W821 C501 SW105 D502 D803 R508 FB401 R514 Q803 D508 D503 Q801 Q802 D512...
  • Page 23 PRINTED CIRCUIT BOARDS MAIN/CRT (CHIP MOUNTED PARTS) SOLDER SIDE R1001 R601 R612 R1004 R617 R1008 R628 R633 R129 R134 R104 R420 C513 R133 IC101 C113 R118 C114 R132 R529 R814...
  • Page 24 MICON/TUNER SCHEMATIC DIAGRAM ACCESSORY (MAIN PCB) TU001 TECC1040PG32E TM101 RC-DW010 R128 W835 C003 R101 R126 2.7K FROM/TO CHROMA OS101 PIC-37143SY TUNER+5V FROM DEFLECTION/CRT R002 R001 18K 1/2W 18K 1/2W X-RAY FROM POWER R143 POWER DEGAUSS MICON IC IC101 OEC7073A TO SOUND/AV AUDIO MUTE H_CTL AUDIO_MUTE...
  • Page 25 CHROMA SCHEMATIC DIAGRAM (MAIN PCB) FROM POWER UNREG+12V W818 Q603 KTC3203_Y R623 120 1/4W Q605 FROM SOUND/AV Q604 KTC3203_Y KTC3203_Y Q606 VIDEO_IN KTC3203_Y 11.3 CF603 SFSRA4M50CF00-A0 R642 D605 11E1-EIC 8.63 7.96 2.55 3.18 1.70 5.65 2.21 C634 4.92 Y SW OUT FROM/TO SOUND/AV QIF OUT 100P CH...
  • Page 26 POWER SCHEMATIC DIAGRAM (MAIN PCB) CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE 4A 125V (F501) FUSE. ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES TO MICON D’INCEIE N’UTILISER QUE DES FUSIBLE DE MEME 4A 125V TYPE 4A 125V (F501).
  • Page 27 DEFLECTION/CRT SCHEMATIC DIAGRAM CP802A CP802B (MAIN PCB) CD802 9253_010_000_000 9253_010_000_000 6032014 FROM CHROMA CLAMP CLAMP CLAMP CLAMP CLAMP G.OUT G.OUT G.OUT G.OUT G.OUT R.OUT R.OUT R.OUT R.OUT R.OUT B.OUT B.OUT B.OUT B.OUT B.OUT V-OUT IC IC401 AN5522 HEATER HEATER HEATER HEATER THERMAL PROTECTION...
  • Page 28 SOUND/AV SCHEMATIC DIAGRAM (MAIN PCB) HEADPHONE_JACK J703 (FRONT) J1001 TO CHROMA AV1-09D-4 HSJ1403-01-010 R703 AUDIO 2 AUDIO_IN A_IN C1006 R1007 R704 V_IN VIDEO 2 12 1/2W VIDEO_IN J702 AV1-09D-3 FROM POWER SOUND_GND SOUND+B SPEAKER CD101A CH012002 FROM MICON/TUNER SP1001 CD101B S08F21 R1001 CH012003...

  • Page 29: Micon/Tuner

    WAVEFORMS MICON/TUNER 11 1V 20µs/div 200mV 5ms/div 0.5V 20µs/div 12 1V 20µs/div 200mV 20µs/div 0.5V 20µs/div 1V 20µs/div 3 200mV 20µs/div 20V 20µs/div DEFLECTION/CRT 200mV 5ms/div 9 200mV 20µs/div 14 0.5V 5ms/div CHROMA 15 20V 20µs/div 0.5V 5ms/div 0.5V 2ms/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 30 WAVEFORMS 16 2V 20µs/div 21 50V 20µs/div 26 500mV 20µs/div 22 50V 20µs/div 200V 20µs/div SOUND/AV 0.5V 1ms/div 10V 5ms/div 10V 5ms/div 1V 1ms/div 200mV 500µs/div 50V 20µs/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.

  • Page 31: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW J801 PCB110 (CRT PCB) L503 FB401 V801 TU001 PCB010 (MAIN PCB) SP1001...

  • Page 32: Mechanical Replacement Parts List

    MECHANICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION A3L122C720 CABINET,FRONT ASS'Y 735WPA0396 SPEAKER,HOLDER 701WPJB679 CABINET,FRONT 713WPAA048 GUIDE,REMOCON 735WPAA417 BUTTON,FRAME 723000B319 FILM,DECORATION 702WPAA134 CABINET,BACK 722552A020 SHEET,RATING 7230006818 SHEET,CAUTION 741WUA0019 SPRING,EARTH 7220001119 SHEET,CSA WARNING 722000A023 SHEET,HWC 8121J50B54 SCREW,TAPPING(B0) GW20 5x28 8117540A64 SCREW,TAPPING(B0) TRUSS 4x16...

  • Page 33: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION RESISTORS DIODES ! R401 R4X5T6273F R,METAL 27K OHM 1/6W D802 D1VT001330 DIODE,SILICON 1SS133T-77 ! R408 R4X5T6103F R,METAL 10K OHM 1/6W D803 D1VT001330 DIODE,SILICON 1SS133T-77 I C S ! R409 R4X5T6273F R,METAL 27K OHM 1/6W...
  • Page 34 ELECTRICAL REPLACEMENT PARTS LIST RESISTOR RC....CARBON RESISTOR CAPACITORS CC....CERAMIC CAPACITOR CE....ALUMI ELECTROLYTIC CAPACITOR CP....POLYESTER CAPACITOR CPP....POLYPROPYLENE CAPACITOR CPL....PLASTIC CAPACITOR CMP....METAL POLYESTER CAPACITOR CMPL....METAL PLASTIC CAPACITOR CMPP....METAL POLYPROPYLENE CAPACITOR J 2 - 2...
  • Page 35 M3L1-22C SPEC.NO. K223001 O/R NO.
  • Page 36 DBTV1301 SERVICE MANUAL COLOR TELEVISION RECEIVER ORIGINAL 1 MFR’S VERSION I MFR’S VERSION PCB010 TUNER TMX494A NJH3022U268 TMX494B TECC1040PG32D Design and specifications are subject to change without notice.
  • Page 37 ELECTRICAL ADJUSTMENTS (MFR'S VERSION I) 2. BASIC ADJUSTMENTS 2-1: RF AGC DELAY Place the set with Aging Test for more than 15 minutes. Receive the VHF HIGH (63dB). Connect the digital voltmeter to R606. Activate the adjustment mode display of Fig. 1-1 and press the channel button (02) on the remote control to select "RF AGC DELAY".
  • Page 38 ELECTRICAL REPLACEMENT PARTS LIST PCB VERSION UP MFR'S VERSION C MFR'S VERSION I PART NO. DESCRIPTION PART NO. DESCRIPTION REF. NO. PCB010 A3J804A010 MAIN PCB ASS'Y (VERSION C) TMX494A A3J804A010 MAIN PCB ASS'Y (VERSION I) TMX494B MAIN PCB's are interchangeable. Change of TUNER MFR'S VERSION C MFR'S VERSION I...
  • Page 39 M3J8-04A SPEC.NO. K163008 O/R NO.
  • Page 40 SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES 6. AVOID AN X-RAY As for the places which need special attentions, Safety is secured against an X-ray by consider- they are indicated with the labels or seals on the ing about the cathode-ray tube and the high cabinet, chassis and parts.

  • Page 41: J2-1, J2-2

    CONTENTS SERVICING NOTICES ON CHECKING ...................... A1-1 HOW TO ORDER PARTS ........................... A1-1 IMPORTANT ..............................A1-1 CONTENTS ..............................A2-1 GENERAL SPECIFICATIONS ........................A3-1~A3-4 DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF ANODE CAP......................B1-1 2. REMOVAL AND INSTALLATION OF FALT PACKAGE IC............B2-1, B2-2 SERVICE MODE LIST ..........................

  • Page 42: General Specifications

    GENERAL SPECIFICATIONS G - 1 CRT Size / Visual Size 13 inch / 335.4mmV System CRT Type Normal Deflection degree Magnetic Field BV/BH +0.45G/0.18G Color System NTSC Speaker 1Speaker Position Bottom Size 3 Inch Impedance Sound Output 1.0 W 10%(Typical) 0.8 W NTSC3.58+4.43 /PAL60Hz G - 2...
  • Page 43 GENERAL SPECIFICATIONS CH Label Sleep Timer Sound Mute V-chip Rating G - 8 OSD Language English French Spanish OSD Language Setting English G - 9 Clock and Sleep Timer Max Time 120 Min Timer Step On/Off Timer Program(On Tim / Off Tim) Wake Up Timer Timer Back-up (at Power Off Mode) more than...
  • Page 44 GENERAL SPECIFICATIONS Game Position CH Label VM Circuit Full OSD Premiere Comb Filter Lines Auto CH Memory Hotel Lock Closed Caption Stable Sound Energy Star Favorite CH G - 1 2 Accessories Owner's Manual Language English /French w/Guarantee Card Remote Control Unit Rod Antenna Poles Terminal...
  • Page 45 GENERAL SPECIFICATIONS Material Dimensions W x D x H(mm) x -- x -- Description of Origin Gift Box Material Double Full Color Carton W/Photo Dimensions W x D x H(mm) x 408 x 380 Design As per Buyer's Description of Origin Natural Dropping At 1 Corner / 3 Edges Drop Test / 6 Surfaces...

  • Page 46: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF ANODE CAP 3. After one side is removed, pull in the opposite direction to remove the other. Read the following NOTED items before starting work. NOTE After turning the power off there might still be a potential Take care not to damage the Rubber Cap.

  • Page 47: Removal And Installation Of Falt Package Ic

    DISASSEMBLY INSTRUCTIONS REMOVAL AND INSTALLATION OF When IC starts moving back and forth easily after desoldering completely, pickup the corner of the IC using FLAT PACKAGE IC a tweezers and remove the IC by moving with the IC desoldering machine. (Refer to Fig. 2-3.) REMOVAL NOTE Put the Masking Tape (cotton tape) around the Flat...
  • Page 48 DISASSEMBLY INSTRUCTIONS INSTALLATION When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thin- Take care of the polarity of new IC and then install the tip Soldering Iron. (Refer to Fig. 2-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.

  • Page 49: Service Mode List

    SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter the Service Mode, press both set key and remote control key for more than 1 second. Set Key Remocon Key Operations Releasing of V-CHIP PASSWORD.

  • Page 50: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS BEFORE MAKING ELECTRICAL 2. BASIC ADJUSTMENTS ADJUSTMENTS 2-1: RF AGC DELAY Read and perform these adjustments when repairing the Place the set with Aging Test for more than 15 minutes. circuits or replacing electrical parts or PCB assemblies. Receive an 63dB monoscope pattern.
  • Page 51 ELECTRICAL ADJUSTMENTS 2-5: SUB TINT/SUB COLOR 2-8: VERTICAL SHIFT NOTE: Adjust after performing adjustments in section 2-7 Receive the color bar pattern. Connect the oscilloscope to TP023. Receive the crosshatch signal from the Pattern Activate the adjustment mode display of Fig. 1-1 and Generator.
  • Page 52 ELECTRICAL ADJUSTMENTS 2-13: Confirmation of Fixed Value (step No.) Please check if the fixed values of the each adjustment items are set correctly referring below. FUNCTION H VCO BRIGHT MAX BRIGHT MIN CONT CENT CONT MIN COLOR MAX COLOR MIN SHARPNESS FM LEVEL LEVEL...
  • Page 53 ELECTRICAL ADJUSTMENTS PURITY AND CONVERGENCE 3-3: STATIC CONVERGENCE ADJUSTMENTS NOTE Adjust after performing adjustments in section 3-2. NOTE Receive the crosshatch pattern from the color bar Turn the unit on and let it warm up for at least 30 generator. minutes before performing the following adjustments.
  • Page 54 ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CD802 CP601 TU001 FB401 CP401 W043 L503 CP502 T502 S501B CP806 TP022 TP023 S501A CD101B CD101A CD501 MAIN PCB CRT PCB AC IN SPEAKER...

  • Page 55: Block Diagram

    BLOCK DIAGRAM J1001 TU001 CH. UP CHROMA IC IC601 M61250FP X602 IC1001 AN7511 3.579545MHz VOL. UP X' TAL AUDIO OUT SOUND AMP SP1001 MICON IC CH. DOWN RF AGC OUT CF601 IC101 OEC7073A SAW FILTER VIF IN (1) VOL. DOWN Q606 AUDIO MUTE VIF IN (2)

  • Page 56: Printed Circuit Boards Main/Crt

    PRINTED CIRCUIT BOARDS MAIN/CRT (INSERTED PARTS) SOLDER SIDE J1001 CP502 TH501 S501B R500 CD501 L501_1 C502 FH502 F501 FH501 S501A OS101 4A125VOR250V D504 W819 C801 B503 C514 Q502 C503 W821 C501 SW105 D502 D803 R508 FB401 R514 Q803 D508 D503 Q801 Q802 D512...
  • Page 57 PRINTED CIRCUIT BOARDS MAIN/CRT (CHIP MOUNTED PARTS) SOLDER SIDE R1001 R601 R612 R1004 R617 R1008 R628 R633 R129 R134 R104 R420 C513 R133 IC101 C113 R118 C114 R132 R529 R814...
  • Page 58 MICON/TUNER SCHEMATIC DIAGRAM ACCESSORY (MAIN PCB) TU001 TECC1040PG32E TM101 RC-DW010 R128 W835 C003 R101 R126 2.7K FROM/TO CHROMA OS101 PIC-37143SY TUNER+5V FROM DEFLECTION/CRT R002 R001 18K 1/2W 18K 1/2W X-RAY FROM POWER R143 POWER DEGAUSS MICON IC IC101 OEC7073A TO SOUND/AV AUDIO MUTE H_CTL AUDIO_MUTE...
  • Page 59 CHROMA SCHEMATIC DIAGRAM (MAIN PCB) FROM POWER UNREG+12V W818 Q603 KTC3203_Y R623 120 1/4W Q605 FROM SOUND/AV Q604 KTC3203_Y KTC3203_Y Q606 VIDEO_IN KTC3203_Y 11.3 CF603 SFSRA4M50CF00-A0 R642 D605 11E1-EIC 8.63 7.96 2.55 3.18 1.70 5.65 2.21 C634 4.92 Y SW OUT FROM/TO SOUND/AV QIF OUT 100P CH...
  • Page 60 POWER SCHEMATIC DIAGRAM (MAIN PCB) CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE 4A 125V (F501) FUSE. ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES TO MICON D’INCEIE N’UTILISER QUE DES FUSIBLE DE MEME 4A 125V TYPE 4A 125V (F501).
  • Page 61 DEFLECTION/CRT SCHEMATIC DIAGRAM CP802A CP802B (MAIN PCB) CD802 9253_010_000_000 9253_010_000_000 6032014 FROM CHROMA CLAMP CLAMP CLAMP CLAMP CLAMP G.OUT G.OUT G.OUT G.OUT G.OUT R.OUT R.OUT R.OUT R.OUT R.OUT B.OUT B.OUT B.OUT B.OUT B.OUT V-OUT IC IC401 AN5522 HEATER HEATER HEATER HEATER THERMAL PROTECTION...
  • Page 62 SOUND/AV SCHEMATIC DIAGRAM (MAIN PCB) HEADPHONE_JACK J703 (FRONT) J1001 TO CHROMA AV1-09D-4 HSJ1403-01-010 R703 AUDIO 2 AUDIO_IN A_IN C1006 R1007 R704 V_IN VIDEO 2 12 1/2W VIDEO_IN J702 AV1-09D-3 FROM POWER SOUND_GND SOUND+B SPEAKER CD101A CH012002 FROM MICON/TUNER SP1001 CD101B S08F21 R1001 CH012003...

  • Page 63: Chroma

    WAVEFORMS MICON/TUNER 11 1V 20µs/div 200mV 5ms/div 0.5V 20µs/div 12 1V 20µs/div 200mV 20µs/div 0.5V 20µs/div 1V 20µs/div 3 200mV 20µs/div 20V 20µs/div DEFLECTION/CRT 200mV 5ms/div 9 200mV 20µs/div 14 0.5V 5ms/div CHROMA 15 20V 20µs/div 0.5V 5ms/div 0.5V 2ms/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 64 WAVEFORMS 16 2V 20µs/div 21 50V 20µs/div 26 500mV 20µs/div 22 50V 20µs/div 200V 20µs/div SOUND/AV 0.5V 1ms/div 10V 5ms/div 10V 5ms/div 1V 1ms/div 200mV 500µs/div 50V 20µs/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.

  • Page 65: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW J801 PCB110 (CRT PCB) L503 FB401 V801 TU001 PCB010 (MAIN PCB) SP1001...

  • Page 66: Mechanical Replacement Parts List

    MECHANICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION A3L122C720 CABINET,FRONT ASS'Y 735WPA0396 SPEAKER,HOLDER 701WPJB679 CABINET,FRONT 713WPAA048 GUIDE,REMOCON 735WPAA417 BUTTON,FRAME 723000B319 FILM,DECORATION 702WPAA134 CABINET,BACK 722552A020 SHEET,RATING 7230006818 SHEET,CAUTION 741WUA0019 SPRING,EARTH 7220001119 SHEET,CSA WARNING 722000A023 SHEET,HWC 8121J50B54 SCREW,TAPPING(B0) GW20 5x28 8117540A64 SCREW,TAPPING(B0) TRUSS 4x16...

  • Page 67: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION RESISTORS DIODES ! R401 R4X5T6273F R,METAL 27K OHM 1/6W D802 D1VT001330 DIODE,SILICON 1SS133T-77 ! R408 R4X5T6103F R,METAL 10K OHM 1/6W D803 D1VT001330 DIODE,SILICON 1SS133T-77 I C S ! R409 R4X5T6273F R,METAL 27K OHM 1/6W...
  • Page 68 ELECTRICAL REPLACEMENT PARTS LIST RESISTOR RC....CARBON RESISTOR CAPACITORS CC....CERAMIC CAPACITOR CE....ALUMI ELECTROLYTIC CAPACITOR CP....POLYESTER CAPACITOR CPP....POLYPROPYLENE CAPACITOR CPL....PLASTIC CAPACITOR CMP....METAL POLYESTER CAPACITOR CMPL....METAL PLASTIC CAPACITOR CMPP....METAL POLYPROPYLENE CAPACITOR J 2 - 2...
  • Page 69 M3L1-22C SPEC.NO. K223001 O/R NO.

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