mv20eg.htmlTable Of ContentsCOVER1 INTRODUCTION1.1 INTRODUCTION1.2 ABOUT LEAD FREE SOLDER (PbF)2 GENERAL DESCRIPTIONS2.1 SERVICE CAUTION2.1.1 REPLACING IC6002/EEPROM2.1.2 CYLINDER UNIT REPLACEMENT2.1.3 CHECKING OF MAIN C.B.A.2.1.4 FLAT CARD CABLE INSTALLATION2.2 REMOVAL OF CASSETTE TAPE2.3 INTRODUCTION OF VIDEO HEAD CLEANING CASSETTE(POLISHING TYPE)2.4 SELF-DIAGNOSIS RESULT DISPLAY2.5 CAUTION FOR AC MAINS LEAD (NV-MV20EB/EBL)3 ADJUSTMENT PROCEDURES3.1 DISASSEMBLY METHOD3.1.1 DISASSEMBLY FLOW CHART3.1.2 DETAIL OF DISASSEMBLY METHOD3.2 MECHANICAL ADJUSTMENT PROCEDURES3.3 ELECTRICAL ADJUSTMENT PROCEDURES3.3.1 TEST EQUIPMENT3.3.2 VCR SETTING3.3.3 ADJUSTMENTS3.3.4 PG SHIFTER ADJUSTMENT(AUTOMATIC)3.3.5 VHS FREQUENCY RESPONSE ADJUSTMENT3.3.6 LOCATION OF TEST POINTS& CONTROLS3.3.7 CIRCUIT BOARD LAYOUT4 ABBREVIATIONS5 INPUT/OUTPUT CHART5.1 INPUT/OUTPUT CHART FOR IC60015.2 TRUTH TABLE (EG/EP MODEL)5.3 TRUTH TABLE (EB/EBL MODEL)6 WAVEFORM TABLE& VOLTAGE CHART6.1 WAVEFORM TABLE6.2 VOLTAGE CHART7 BLOCK DIAGRAMS7.1 SYSTEM CONTROL& SERVO BLOCK DIAGRAMService ManualTOP NEXTORDER NO. MABR0303005C2Video Cassette Recorderl NV-MV20EGNV-MV20EBNV-MV20EBLNV-MV15EGNV-MV15EPZ-MECHANISMfile:///L|/Panasonic/Video/NV-MV/NV-MV20EG/NV-MV20EG_NV-MV20EB_NV-MV20EBL_NV-MV15EG_NV-MV15EP/SVC/PVAccel.html (1 von 2)25.03.2006 17:30:40