Sony Ericsson XR-C7500RX service manual XR-C7500R/C7500RX, Specifications

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XR-C7500R/C7500RX

SERVICE MANUAL

AEP Model UK Model

XR-C7500R/C7500RX

E Model

XR-C7500RX

(XR-C7500R/C7500RX: AEP, UK)

For RM-X4S (Remote Commander), please refer to RM-X4S Service Manual (9-925-698-S) previously issued.

Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. “DOLBY” and the double-D symbol; are trade- marks of Dolby Laboratories Licensing Corporation.

Photo: XR-C7500R

Model Name Using Similar Mechanism

XR-C7300/C5300R

 

 

Tape Transport Mechanism Type

MG-25G-136

 

 

SPECIFICATIONS

Cassette player section

Tape track

4-track 2-channel stereo

Wow and flutter

0.08 % (WRMS)

Frequency response

30 – 18,000 Hz

Signal-to-noise ratio

 

 

 

 

Cassette type Dolby B NR

Dolby NR off

Power amplifier section

Outputs

Speaker outputs

 

(sure seal connectors)

Speaker impedance

4 – 8 ohms

Maximum power output

50 W ⋅ 4 (at 4 ohms)

TYPE II, IV

 

67 dB

 

61 dB

TYPE I

 

64 dB

 

58 dB

Tuner section

FM

Tuning range

87.5 – 108.0 MHz

Aerial terminal

External aerial connector

Intermediate frequency

10.7 MHz/450 kHz

Usable sensitivity

8 dBf

Selectivity

75 dB at 400 kHz

Signal-to-noise ratio

66 dB (stereo),

 

72 dB (mono)

Harmonic distortion at 1 kHz

 

0.6 % (stereo),

 

0.3 % (mono)

Separation

35 dB at 1 kHz

Frequency response

30 – 15,000 Hz

MW/LW

Tuning range

MW: 531 – 1,602 kHz

 

LW: 153 – 279 kHz

Aerial terminal

External aerial connector

Intermediate frequency

10.7 MHz/450 kHz

Sensitivity

MW: 30 ∝ V

 

LW: 40 ∝ V

General

Outputs

Audio output

 

 

 

Power aerial relay control

 

lead

 

 

 

Power amplifier control

 

lead

 

 

 

Telephone ATT control

 

lead

 

 

Power requirements

12 V DC car battery

 

(negative earth)

 

Dimensions

Approx. 178 ⋅

50 ⋅

183 mm

 

(w/h/d)

 

 

Mounting dimensions

Approx. 182 ⋅

53 ⋅

162 mm

 

(w/h/d)

 

 

Mass

Approx. 1.2 kg

 

Supplied accessories

Parts for installation and

 

connections (1 set)

 

Front panel case (1)

Rotary commander

RM-X4S (XR-C7500R/

XR-C7500RX: AEP, UK)

Card remote commander

RM-X91 (XR-C7500RX: E)

Design and specifications are subject to change without notice.

FM/MW/LW CASSETTE CAR STEREO

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Contents XR-C7500R/C7500RX SpecificationsDiagrams Table of ContentsSection Servicing Notes GeneralSection 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 SUB Panel ASS’Y Section DisassemblyMechanism Deck MG-25G-136 Heat Sink 2P Main BoardHousing Section Assembly of Mechanism DeckARM Suction Gear LDG-FT Lever LDG-A / LDG-BMounting Position of CAPSTAN/REEL Motor M901 Guide CSection Electrical Adjustments Section Mechanical AdjustmentsTorque Measurement Tape Tension MeasurementDolby Level Adjustment Tape Speed AdjustmentTape Deck Section Tuner SectionBlock Diagram TUNER/TAPE Section DiagramsSignal Path MW/LW Tape Play SectionSignal 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 IC50 SAA6588T/V2-118 IC Block Diagrams Main Board IC10IC100 CXD2726Q-4 IC250 CXA2510AQ-T4 IC201IC500 BA8270F-E2 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 54 3-041-003-01 Button LIST/ENTER DSPL. LIST. Enter Front Panel Section60 1-694-660-11 Conductive BOARD, Connection 159 158 155 154 157 156 153152 168 151 160 163 Mechanism Deck Section MG-25G-136161 162 164Section Electrical Parts List KEY Metal Chip ResistorRES-CHIP Rotary EncoderKEY Main SWITCH, Tactile with LEDSEEK/AMS + M Ceramic Chip 8PFDouble Layer TantalumDiode DTZ5.6B FilmDiode MA152WA-TX Diode CRZ22 TE85L.SONYLB1930M-TLM TDA7402TRBA09ST-V5 RN5VD33AA-TLR27 216-809-11 Type C Main SUB 503 504 505 501 502506 507 508 507