Sony Ericsson XR-C7500RX Printed Wiring Board KEY Board, Semiconductor Location Component Side

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XR-C7500R/C7500RX

7-14. PRINTED WIRING BOARD – KEY Board –

• Semiconductor

Location

(Component Side)

Ref. No.	Location

IC951	C-5
LED901	C-2
LED902	A-2
LED903	A-3
LED904	C-3
LED910	B-12
LED911	B-12
LED912	A-12
LED913	A-5
LED914	B-5
LED915	B-5

• Semiconductor

Location

(Conductor Side)

Ref. No.	Location

D901	B-13
D902	C-11
D903	C-11
D904	C-11
D951	C-5
D952	B-10
D954	B-10
IC901	B-8
Q901	A-3
Q902	A-3
Q903	A-5

(Page 28)

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Contents Specifications XR-C7500R/C7500RXSection Servicing Notes Table of ContentsDiagrams GeneralSetting the clock Section GeneralInstallation Instalación Montering Instalação Reset button Connections Conexiones Anslutning Ligações XR-C7500R/XR-C7500RX AEP, UK Connection example Ejemplo de conexionesXR-C7500RX E Power connection diagram Section Disassembly SUB Panel ASS’YMechanism Deck MG-25G-136 Main Board Heat Sink 2PSection Assembly of Mechanism Deck HousingARM Suction Lever LDG-A / LDG-B Gear LDG-FTGuide C Mounting Position of CAPSTAN/REEL Motor M901Torque Measurement Section Mechanical AdjustmentsSection Electrical Adjustments Tape Tension MeasurementTape Deck Section Tape Speed AdjustmentDolby Level Adjustment Tuner SectionSignal Path MW/LW Tape Play DiagramsBlock Diagram TUNER/TAPE Section SectionBlock Diagram Main Section Signal PathBlock Diagram DISPLAY/KEY Control Section RemoteBlock Diagram BUS CONTROL/POWER Supply Section BUS-ONBUS Audio Tape Play Printed Wiring Board Main Board Component Side Semiconductor Location Component SidePrinted Wiring Board Main Board Conductor Side Semiconductor Location Conductor SideXR-C7500R/C7500RX XR-C7500R/C7500RX XR-C7500R/C7500RX XR-C7500R/C7500RX Printed Wiring Board SUB Board Schematic Diagram SUB Board Waveforms Main Board KEY BoardPrinted Wiring Board KEY Board Schematic Diagram KEY Board See page 29 for Waveforms IC Block Diagrams Main Board IC10 IC50 SAA6588T/V2-118IC100 CXD2726Q-4 IC201 IC250 CXA2510AQ-T4IC500 BA8270F-E2 IC PIN Function Description Pin No Pin Name DescriptionXlat Main Board IC600 MB90574BPMT-G-265-BND System Controller Dsplat Accin Stop Loading Eject Brake TUX1 Except E Front Panel Section 54 3-041-003-01 Button LIST/ENTER DSPL. LIST. Enter60 1-694-660-11 Conductive BOARD, Connection 161 162 Mechanism Deck Section MG-25G-136159 158 155 154 157 156 153152 168 151 160 163 164Section Electrical Parts List KEY RES-CHIP ResistorMetal Chip Rotary EncoderSEEK/AMS + M SWITCH, Tactile with LEDKEY Main Ceramic Chip 8PFTantalum Double LayerDiode MA152WA-TX FilmDiode DTZ5.6B Diode CRZ22 TE85L.SONYBA09ST-V5 TDA7402TRLB1930M-TLM RN5VD33AA-TLR27 216-809-11 Type C Main SUB 506 507 501 502503 504 505 508 507