sony_MDS-SP55_service_manual 维修电路图.pdf

1 MDS-SP55 SPECIFICATIONS SERVICE MANUAL MINIDISC DECK Model Name Using Similar MechanismMDS-JE330 MD Mechanism TypeMDM-5A Optical Pick-up TypeKMS-260B/S1NP AEP Model UK Model E Model SystemMiniDisc digital audio system LaserSemiconductor laser (=780 nm) Emission duration: continuous Laser outputMax. 44.6 W* *This output is the value measured at a distance of 200 mm from the objective lens surface on the Optical Pick-up Block with 7 mm aperture. Sampling frequency44.1 kHz Frequency response20 Hz 20 kHz Inputs DIGITAL OPTICAL CD IN:Optical DIGITAL OPTICAL AUX IN: Optical Output DIGITAL OPTICAL OUT:Optical General Dimensions (w/h/d) incl. projecting parts and controls Approx. 202 101 298 mm MassApprox. 1.7 kg Supplied accessoriesSystem cable (1) Digital cable (1) Design and specifications are subject to change without notice. MDS-SP55 is the MD section in CMT-SP55MD, and MDS-SP55 is sold in the option as a minidisk deck of CMT-SP55TC. Ver 1.1 2001. 06 9-929-537-12 2001F0200-1 2001.6 Sony Corporation Home Audio Company Shinagawa Tec Service Manual Production Group 收音机爱好者资料库 Ra d i o Fa n s .CN 2 SELF-DIAGNOSIS FUNCTION The self-diagnosis function consists of error codes for customers which are displayed automatically when errors occur, and error codes which show the error history in the test mode during servicing. For details on how to view error codes for the customer, refer to the following box in the instruction manual. For details on how to check error codes during servicing, refer to the following “Procedure for using the Self- Diagnosis Function (Error History Display Mode)”. Procedure for using the Self-Diagnosis Function (Error History Display Mode). Note: Perform the self-diagnosis function in the “error history display mode” in the test mode. The following describes the least required procedure. Be careful not to enter other modes by mistake. If you set other modes accidentally, press the MENU/NO button (MD) to exit the mode. 1. When the power OFF (STANDBY), press the ?/1 button (TA) while pressing the s button (MD) and ENTER/YES button (MD) together. 2. Press the MENU/NO button, and when “Check” is displayed. 3. Rotate the l L knob (MD) and when “Service” is displayed, press the ENTER/YES button (MD). 4. Rotate the l L knob (MD) and display “ERR DP MODE”. 5. Pressing the ENTER/YES button (MD) sets the error history mode and displays “total rec”. 6. Select the contents to be displayed or executed using the l L knob (MD). 7. Pressing the CD SYNC REC button (MD) and to execute the contents selected. 8. Pressing the CD SYNC REC button (MD) another time returns to step 5. 9. Pressing the MENU/NO button (MD) displays “ERROR DP MODE” and exits the error history mode. 10.To exit the test mode, press the ?/1 button (TA). The unit sets into the STANDBY state, the disc is ejected, and the test mode ends. Self-diagnosis Display This system has a Self-diagnosis display function to let you know if there is a system malfunction. The display shows a code made up of three letters and a message alternately to show you the problem. To solve the problem refer to the following list. If any problem persists, consult your nearest Sony dealer. C11/Protected The MD is protected against erasure. cRemove the MD and slide the tab to close the slot (See page 11). C12/Cannot Copy You tried to record a CD or MD with a format that the system does not support, such as a CD- ROM. cRemove the disc and turn off the system once, then turn it on again. C13/REC Error Recording could not be performed properly. cMove the system to a stable place, and start recording over from the beginning. The MD is dirty or scratched, or the MD does not meet the standards. cReplace the MD and start recording over from the beginning. C13/Read Error The MD deck cannot read the disc information properly. cRemove the MD once, then insert it again. C14/Toc Error The MD deck cannot read the disc information properly. cReplace the MD. cErase all the recorded contents of the MD using the All Erase function (See page 32). C41/Cannot Copy The sound source is a copy of a commercially available music software, or you tried to record a CD-R (Recordable CD). cThe Serial Copy Management System prevents making a digital copy . You cannot record a CD-R (see page 43). C71/Check OPT-IN This appears momentarily because of the signal of the digital broadcast during recording. cThere is no affect on the recorded contents. No component is connected to the DIGITAL OPTICAL IN jack, or a digital component is not connected properly. cConnect a digital component to the DIGITAL OPTICAL IN jack properly using a digital connecting cable (an optical cable) (not supplied (See page 39). The connected digital component is not turned on. cSee the operating instructions supplied with the connected component and confirm whether the component is turned on. The digital connecting cable (an optical cable) connected to the DIGITAL OPTICAL IN jack is pulled out, or the connected digital component is turned off during digital recording. cConnect the cable, or turn on the digital component. 收音机爱好者资料库 Ra d i o Fa n s .CN 3 Displays the recording time. Displayed as “rssssssh”. The displayed time is the total time the laser is set to the high power state. This is about 1/4 of the actual recording time. The time is displayed in decimal digits from 0h to 65535h. Displays the play time. Displayed as “pssssssh”. The time displayed is the total actual play time. Pauses are not counted. The time is displayed in decimal digits from 0h to 65535h. Displays the total number of retries during recording and number of retry errors during play. Displayed as “rss pss”. “r” indicates the retries during recording while “p” indicates the retry errors during play. The number of retries and retry errors are displayed in hexadecimal digits from 00 to FF. Displays the total number of errors. Displayed as “total ss”. The number of errors is displayed in hexadecimal digits from 00 to FF. Displays the 10 latest errors. Displayed as “0s E”. s indicates the history number. The smaller the number, the more recent is the error. (00 is the latest). indicates the error code. Refer to the following table for the details. The error history can be switched by rotating the l L knob (MD). Mode which erases the “retry err”, “total err”, and “err history” histories. When returning the unit to the customer after completing repairs, perform this to erase the past error history, After pressing the CD SYNC REC button (MD) when “er refresh” appears, press ENTER/YES button (MD) to erase the history. “Complete!” will be displayed momentarily. Be sure to check the following when this mode has been executed. The data has been erased. The mechanism operates normally when recording and play are performed. Mode which erases the “total rec” and “total play” histories. These histories serve as approximate indications of when to replace the optical pick-up. If the optical pick-up has been replaced, perform this operation and erase the history. After pressing the CD SYNC REC button (MD) when “tm refresh?” is displayed, press the ENTER/YES button (MD) to erase the history. “Complete!” will be displayed momentarily. Be sure to check the following when this mode has been executed. The data has been erased. The mechanism operates normally when recording and play are performed. ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS Selecting the Test Mode Display total rec total play retry err total err err history er refresh tm refresh? Details of History No error Read error. PTOC cannot be read (DISC ejected) TOC error. UTOC error (DISC not ejected) Loading error Address cannot be read (Servo has deviated) Table of Error Codes Error Code E00 E01 E02 E03 E04 E05 E06 E07 E08 E09 E0A FOK has deviated Cannot focus (Servo has deviated) Recording retry Recording retry error Playback retry error (Access error) Play retry error (C2 error) Details of ErrorError CodeDetails of Error 收音机爱好者资料库 Ra d i o Fa n s .CN 4 CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous ra- diation exposure. Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may be damaged by heat. Flexible Circuit Board Repairing Keep the temperature of soldering iron around 270C during repairing. Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). Be careful not to apply force on the conductor when soldering or unsoldering. Laser component in this product is capable of emitting radiation exceeding the limit for Class 1. This appliance is classified as a CLASS 1 LASER product. The CLASS 1 LASER PROD- UCT MARKING is located on the rear exterior. This caution label is located inside the unit. CAUTION Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the equipment manufacturer. Discard used batteries according to manufactures instructions. ADVARSEL! Lithiumbatteri - Eksplosionsfare ved fejlagtig hndtering. Udskiftning m kun ske med batteri af samme fabrikat og type. Levr det brugte batteri tilbage til leverandren. ADVARSEL Eksplosjonsfare ved feilakting skifte av batteri. Benytt samme batteritype eller en tilsvarende type anbefalt av apparatfabrikanten. Brukte batterier katterier kasseres i henhold til fabrikantens VARNIG Explosionsfara vid felaktigt batteribyte. Anvnd samma batterityp eller en likvrdig typ som rekommenderas av apparattillverkaren. Kassera anvnt batteri enligt gllande freakrifter. VAROITUS Parist voi rjht, jos se on virheellisesti asennettu. Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin. Hvit kytetty paristo valmistajan ohjeiden mukaisesti. SAFETY-RELATED COMPONENT WARNING ! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. 5 TABLE OF CONTENTS 1. SERVICING NOTE. 6 2. GENERAL. 13 3. DISASSEMBLY 3-1. Case. 14 3-2. Front Panel Assy . 14 3-3. MD Mechanism Deck (MDM-5A) . 15 3-4. Main Board . 15 3-5. Slider (Cam). 16 3-6. BD Board . 16 3-7. Over Write Head . 17 3-8. Optical Pick-up (KMS-260A/J1N) . 17 3-9. Spindle Motor, Sled Motor . 17 4. TEST MODE. 18 5. ELECTRICAL ADJUSTMENTS. 22 6. DIAGRAMS 6-1. Block Diagrams BD Section. 32 Main Section. 33 6-2. Printed Wiring Board BD Section . 34 6-3. Schematic Diagram BD (1/2) Section . 35 6-4. Schematic Diagram BD (2/2) Section . 36 6-5. Schematic Diagram Main (1/2) Section . 37 6-6. Schematic Diagram Main (2/2) Section . 38 6-7. Printed Wiring Board Main Section . 39 6-8. Printed Wiring Board Panel Section . 40 6-9. Schematic Diagram Panel Section . 41 6-10. Schematic Diagram BD Switch Section . 42 6-11. Printed Wiring Board BD Switch Section . 42 6-12. IC Block Diagrams. 42 6-13. IC Pin Functions. 45 7. EXPLODED VIEWS 7-1. Case and Front Panel Section . 50 7-2. Mechanism Deck Section (MDM-5A). 51 7-3. Base Unit Section (MBU-5A). 52 8. ELECTRICAL PARTS LIST. 53 MODEL IDENTIFICATION BACK PANEL Abbreviation AED: North European model MY: Malaysia model SP: Singapore model HK: Hong kong model KR: Korea model MODEL AEP, UK, AED models HK, MY, SP models KR model PARTS No. 4-229-665-0s 4-229-665-2s 4-229-665-3s Parts No. 6 SECTION 1 SERVICING NOTE This unit cannot be repaired by itself. When repairing, connect the whole system except for the speaker. CD Text Display This unit displays CD text. Text is displayed for the first 50 track only and will not be displayed from the 51st track onwards. Do not suspect a fault in this case. In some cases, some special characters will not be displayed and may be replaced by other characters. Do not suspect a fault in this case. Cold Reset The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to the customer. Procedure : 1.When the power ON, press the ?/1 button (TA) while pressing the TUNING MODE button (ST) and ML buttons (CD) together. 2.“COLD RESET” is displayed on the fluorescent indicator tube and reset is executed. Hot Reset This mode reset the preset data kept in the memory. The hot reset mode functions same as if the power cord is plugged in and out. Procedure : 1.When the power ON, press the ?/1 button (TA) while pressing the TUNING MODE button (ST) and lm buttons (CD) together. 2.Turn off the unit and reset is executed. GC Test Mode Procedure : 1.When the power ON, press the ?/1 button (TA) while pressing the TUNING MODE button (ST) and PLAY MODE buttons (CD) together. 2.LCD are all turned on. 3.Press TUNING MODE button (ST) to enter the model destination indecation mode. “SP55 CE2” or “SP55 ASIA2” appears. 4.Every pressing of TUNING MODE button (ST) changes the display in the following order. MC Version t CD Version t ST Version t TC Version t TA Version t TM Version t model destination display. 5.Press DISPLAY button (ST) and the date appears as “ 00615a ” Every pressing of DISPLAY button (ST) changes the display in the Version display and model destination display. 6.Press TUNER/BAND button (ST) to enter the key check mode. 7.In the key check mode, the fluorescent indicator tube displays “Key 0 Vol 0”. Each time a button is pressed, “Key” value increases. However, once a button is pressed, i