Sony Ericsson XR-C7500RX service manual Main Board, Heat Sink 2P

Page 11

MAIN BOARD

3rubber cap (25)

1 three screws

(PTT2.6 ⋅ 8)

2 three ground point screws

4 main board

HEAT SINK (2P)

1 three screws (PTT2.6 ⋅ 8)

2 two screws (PTT2.6 ⋅ 12)

3 heat sink (2P)

1 three screws (PTT2.6 ⋅ 8)

11

Image 11

Contents XR-C7500R/C7500RX SpecificationsGeneral Table of ContentsDiagrams Section Servicing NotesSection General Setting the clockInstallation Instalación Montering Instalação Reset button Connections Conexiones Anslutning Ligações Connection example Ejemplo de conexiones XR-C7500R/XR-C7500RX AEP, UKXR-C7500RX E Power connection diagram Mechanism Deck MG-25G-136 Section DisassemblySUB Panel ASS’Y Heat Sink 2P Main BoardARM Suction Section Assembly of Mechanism DeckHousing Gear LDG-FT Lever LDG-A / LDG-BMounting Position of CAPSTAN/REEL Motor M901 Guide CTape Tension Measurement Section Mechanical AdjustmentsSection Electrical Adjustments Torque MeasurementTuner Section Tape Speed AdjustmentDolby Level Adjustment Tape Deck SectionSection DiagramsBlock Diagram TUNER/TAPE Section Signal Path MW/LW Tape PlaySignal Path Block Diagram Main SectionRemote Block Diagram DISPLAY/KEY Control SectionBUS-ON Block Diagram BUS CONTROL/POWER Supply SectionBUS Audio Tape Play Semiconductor Location Component Side Printed Wiring Board Main Board Component SideSemiconductor Location Conductor Side Printed Wiring Board Main Board Conductor SideXR-C7500R/C7500RX XR-C7500R/C7500RX XR-C7500R/C7500RX XR-C7500R/C7500RX Printed Wiring Board SUB Board Schematic Diagram SUB Board KEY Board Waveforms Main BoardPrinted Wiring Board KEY Board Schematic Diagram KEY Board See page 29 for Waveforms IC100 CXD2726Q-4 IC Block Diagrams Main Board IC10IC50 SAA6588T/V2-118 IC500 BA8270F-E2 IC201IC250 CXA2510AQ-T4 Pin No Pin Name Description IC PIN Function DescriptionXlat Main Board IC600 MB90574BPMT-G-265-BND System Controller Dsplat Accin Stop Loading Eject Brake TUX1 Except E 60 1-694-660-11 Conductive BOARD, Connection Front Panel Section54 3-041-003-01 Button LIST/ENTER DSPL. LIST. Enter 164 Mechanism Deck Section MG-25G-136159 158 155 154 157 156 153152 168 151 160 163 161 162Section Electrical Parts List KEY Rotary Encoder ResistorMetal Chip RES-CHIPCeramic Chip 8PF SWITCH, Tactile with LEDKEY Main SEEK/AMS + MDouble Layer TantalumDiode CRZ22 TE85L.SONY FilmDiode DTZ5.6B Diode MA152WA-TXRN5VD33AA-TL TDA7402TRLB1930M-TLM BA09ST-V5R27 216-809-11 Type C Main SUB 508 507 501 502503 504 505 506 507