Durabrand DBTV2500 SERVICE MANUAL

SERVICE MANUAL

MFR’S VERSION

REVISION 1

MFR’S VERSION D

Please file this revision with the original version.

OEC7045A

OEC7044A

IC101

Contents

Main SERVICE MANUAL COLOR TELEVISION RECEIVER DBTV2500 Page 6. AVOID AN X-RAY1. KEEP THE NOTICES IMPORTANT 5. TAKE CARE TO DEAL WITH THE CATHODE-RAY TUBE HOW TO ORDER PARTS SERVICING NOTICES ON CHECKING 2. AVOID AN ELECTRIC SHOCK CONTENTS A2-1 Page Page Page Page 1. REMOVAL OF ANODE CAP DISASSEMBLY INSTRUCTIONS 2. REMOVAL OF DEFLECTION YOKE SERVICE MODE LIST CONFIRMATION OF USING HOURS INIT 00 83 0010 CRT ON NOTE FOR THE REPLACING OF MEMORY IC 1.BEFORE MAKING ELECTRICAL ADJUSTMENTS 2. BASIC ADJUSTMENTS Page 3. PURITY AND CONVERGENCE ADJUSTMENTS MAJOR COMPONENTS LOCATION GUIDE BLOCK DIAGRAM E-1 E-2 R515 J801 PRINTED CIRCUIT BOARDS MAIN/CRT (INSERTED PARTS) SOLDER SIDE 6.3A125V F-1 F-2 PRINTED CIRCUIT BOARDS MAIN/CRT (CHIP MOUNTED PARTS) SOLDER SIDE F-3 F-4 MICON/TUNER SCHEMATIC DIAGRAM R101 NXC0032-010010 NOTE: TUNER VIDEO SIGNAL CAUTION: DIGITAL TRANSISTOR CHROMA SCHEMATIC DIAGRAM G-3 G-4 CAUTION: DIGITAL TRANSISTOR 10 DEFLECTION/CRT SCHEMATIC DIAGRAM 2 G-5 27.0 19 POWER SCHEMATIC DIAGRAM G-8G-7 AUDIO SIGNAL SOUND SCHEMATIC DIAGRAM G-10G-9 MICON/TUNER WAVEFORMS CHROMA DEFLECTION/CRT SOUND WAVEFORMS MECHANICAL EXPLODED VIEW MECHANICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION J1-1 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION RESISTORS DIODES J2-1 CAPACITORS DIODES ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION MISCELLANEOUS J2-2