Sony Ericsson XR-C7500RX service manual Xlat

Page 35

Pin No.

Pin Name

I/O

 

Description

 

 

 

 

60

REDY

O

Transfer enable signal output to the system controller (IC600)

“L”: transfer prohibition

 

 

 

 

 

 

 

 

 

 

 

61

TRDT

O

Serial data output to the system controller (IC600) and liquid crystal display drive controller

(IC800)

 

 

 

 

 

 

 

 

 

 

 

62

XLAT

I

Serial data latch pulse input from the system controller (IC600)

 

 

 

 

63

RVDT

I

Serial data input from the system controller (IC600)

 

 

 

 

64

XS24

I

Serial data 24/32 bit slot selection signal input terminal

“L”: 24 bit slot, “H”: 32 bit slot (validity at slave mode) (fixed at “H” in this set)

 

 

 

 

 

 

 

 

65

VDD2

Power supply terminal (+3.3V) (digital system)

 

 

 

 

 

 

66

VSS3

Ground terminal (digital system)

 

 

 

 

 

 

 

67 to 69

SO1 to SO3

O

Serial data output terminal

Not used (open)

 

 

 

 

 

 

 

70

SOUT

O

Serial data output terminal

Not used (open)

 

 

 

 

 

 

71 to 73

SI1 to SI3

I

Serial data input terminal

Not used (fixed at “L”)

 

 

 

 

 

74

SIN

I

Serial data input terminal

Not used (fixed at “L”)

 

 

 

 

 

75

BCK

I

Bit clock signal (2.8224 MHz) input terminal

Not used (fixed at “H”)

 

 

 

 

76

LRCK

I

L/R sampling clock signal (44.1 kHz) input terminal Not used (fixed at “H”)

 

 

 

 

77

XMST

I

Bit clock (BCK) and L/R sampling clock (LRCK) signal master/slave mode selection signal input

terminal “L”: master mode, “H”: slave mode (fixed at “L” in this set)

 

 

 

 

 

 

 

 

78

VDD3

Power supply terminal (+3.3V) (digital system)

 

 

 

 

 

 

79

AVSP

Ground terminal (PLL system)

 

 

 

 

 

80

XPLLEN

I

PLL enable signal input terminal Normally: fixed at “L”

 

 

 

 

81

PLCLK

O

PLL clock signal output terminal (22.5792 MHz)

 

 

 

 

 

82

XECKSTP

I

PLL clock output control signal input terminal

Not used (fixed at “L”)

 

 

 

 

 

83

AVDP

Power supply terminal (+3.3V) (PLL system)

 

 

 

 

 

 

84

VSS4

Ground terminal (digital system)

 

 

 

 

 

 

85 to 94

T.P

I

Input terminal for the test

Normally: fixed at “L”

 

 

 

 

 

95

VDD4

Power supply terminal (+3.3V) (digital system)

 

 

 

 

 

 

96

AVSD

Ground terminal (for D-RAM)

 

 

 

 

 

 

97 to 99

T.P

I

Input terminal for the test

Normally: fixed at “L”

 

 

 

 

 

100

AVDD

Power supply terminal (+3.3V) (for D-RAM)

 

 

 

 

 

 

 

35

Image 35
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