Sony TCM-22DV, TCM-20DV, TCM-21DV service manual Installation Main Board

Models: TCM-21DV TCM-20DV TCM-22DV

1 16

Page 6

screw (1.7)

S102

(POWER)

screw (M1.4)

MAIN board

S101 (REC/PB)

lever (REC)

– 6 –

Image 6

Contents

TCM-20DV/21DV/ 22DV/23DV Supplied accessoriesSERVICE MANUAL US ModelELECTRICAL ADJUSTMENTS SECTION SERVICING NOTESDISASSEMBLY Flexible Circuit Board RepairingB PLAY SECTION GENERALBuilt-in mic VOL BATT z REC x STOP7 boss SECTION DISASSEMBLYCABINET REAR, CASSETTE LID 3 four clawsMAIN BOARD, MECHANISM DECK MT-20DV-118 BELTINSTALLATION MAIN BOARD On installation MAIN board, adjust to the S101 and the S102SECTION MECHANICAL ADJUSTMENTS Torque MeasurementTape Tension Measurement Tape Speed Adjustment SECTION ELECTRICAL ADJUSTMENTSSetting PAUSE . switch S105 OFFTCM-20DV/21DV/22DV/23DV SECTION DIAGRAMS 6-1. BLOCK DIAGRAMTCM-20DV/21DV/22DV/23DV Semiconductor Location6-3. SCHEMATIC DIAGRAM See page 15 for IC Block Diagram Note on Schematic DiagramTCM-20DV/21DV/22DV/23DV IC101 LA4168ML-TE-L SECTION EXPLODED VIEWSIC Block Diagram SP901M901 2 MECHANISM DECK SECTION-1 MT-20DV-118HE901 HRP9013 MECHANISM DECK SECTION-2 MT-20DV-118 110 All resistors are in ohms. METAL Metal-film resistor SECTION ELECTRICAL PARTS LISTMAIN Ne les remplacer que par une pièce portant le numéro spécifiéTCM-20DV/21DV/22DV/23DV MAIN SW Sony Corporation