User manual SHARP MD-MT877

[. . . ] S3118MDMT877/ PORTABLE MINIDISC RECORDER MD-MT877(S) MODEL MD-MT877C(S) · In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified be used. CONTENTS Page SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 NAMES OF PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 OPERATION MANUAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] · Whenever the DISP button is pressed in the TEST-REC menu, the target address changes as follows. 7. NORMAL Mode · When the STOP button is pressed while the NORMAL menu appears, the mode changes to the TEST mode stop state. · Indication during operation Indication of memory capacity on main unit LCD [ ] + Level meter : Internal mode : Address (Cluster section) : Address (Sector section) · Selection of sound volume, BASS, etc. · If the STOP button is pressed during operation in the NORMAL mode, the NORMAL mode is cancelled, and the power is turned off. 0032 -- 03C0 -- 0700 -- 08A0 --0950 -- 0032 -- When the PLAY button is pressed while a target address is displayed, continuous playback is performed after searching that address. · Whenever the MODE button is pressed in the TEST-REC mode target address is displayed, the digit which is changed by the FAST FORWARD/REVERSE button changes as follows. 0032 -- 0032 -- 0032 -- 0032 -- · When the FAST FORWARD button is pressed in the TEST-REC mode target address is displayed, the digit of address specified by the MODE button is set to +1h. (0 to F) · When the FAST REVERSE button is pressed in the TEST-REC mode target address is displayed, the digit of address specified by the MODE button is set to -1h. (0 to F) * When the FAST FORWARD/REVERSE button is held down, the setting changes continuously, one cycle being 100 ms. · When the VOLUME+/­ button is pressed in the TEST-REC mode or continuous record mode, the laser record power changes. (Servo gain changes also according to record power. ) * After the laser record power is indicated for one second, the ad] dress indication is restored. [ R P W _ · : Address · : Laser power cord · Operation is disabled if the premastered disc or disc is in miseraseprotected state. 8. Error data display Mode · Reversing when FAST REVERSE button is pressed · When the STOP button is pressed while the error data indication menu appears or during error data indication, the mode changes to the TEST mode stop state. · Error which occurred in the TEST mode is also stored in the memory. · When the DISP button is pressed while the error data indication menu appears, the error data is initialized. [CLEAR_] · : Error Code Explanation of error history code 13h : Adjustment servo retraction excessive retrial 16h : C. IN detection time-over 17h : A, B, E, F, and TCRSO offset measurement value out of tolerable range 21h : Focus retraction completion allowable time-over 23h : Track search completion allowable time-over 32h : P-TOC read failure 42h : U-TOC read failure 44h : U-TOC write data write disabled/read check error 45h : U-TOC write test failure 52h : SD write data write disabled 72h : EEPROM data read check sum error 73h : Record head drive disabled (by EJECT lever) 91h : Ambient temperature is higher that the allowable temperature Error messages Can't READ The details ' ' 'f': Focus 'a': Servo adjustment 's': Track such 'r': TOC information reading 'u': UTOC information reading 'w': At the time of data writing 'p': Spindle start Er-MD The details ' ' '41': UTOC light test error '80': EEPROM information reading error ­ 14 ­ MD-MT877/MD-MT877C EEPROM (IC402) writing procedure 1. Procedure to replace EEPROM and write initial value of microcomputer in EEPROM (1) Replace EEPROM. (Refer to page 12 "Entering the TEST mode". ) (4) Version display (At the time of settlement of the test mode by the button operation. ) [Ver. ] EEPROM version (c ~ z) Microcomputer ROM version (5) The whole LCD lights. [ TEST ] (7) Press the "BASS" button, and press 1 time the "FAST REVERSE" button. [ EEPROM ] (8) Perform the operation to display "EEPROM SETTING MODE CHART", compare the EEPROM DATA LIST with the display, and set according to the EEPROM DATA LIST with the VOLUME+ or VOLUME­ button. (Refer to the Temperature reference setting method. ) (10) Set according to the EEPROM DATA LIST. Temperature reference setting method [1] Measurement, calculation and setting procedure (1) Set the TEST mode. · Button operation in order of BASS, FAST REVERSE x 1 time, PLAY, PLAY in the test mode STOP state. [. . . ] 56* 57 58 59 78 79 80 81 Port Name EXPORT4 EXPORT5 EXPORT6 EXPORT7 EXPORT3 EXPORT2 EXPORT0 EXPORT1 Terminal Name Input/Output Undecided justice LDCNT1 LDCNT2 EMPH1 HDON OPTCNT DAPON ADPON Output Output Output Output Output Output Output Output Not used Recording head raising-lowering control output 0. 'H': Record electric current 'H': Circuit operation ON 'H': Operation ON 'H': Operation ON Remarks In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside. *1: List of TEST port settings TEST1 H H L L TEST0 H L H L Details Normal mode No adjustment mode Test mode (Settings prohibited) *2: List of EMPH port settings EMPH1 H H L L EMPH0 H L H L Details fs=32K: 'ON' fs=48K: 'ON' OFF fs=44. 1K: 'ON' *3: List of LDCNT port settings LDCNT2 H H L L LDCNT1 H L H L Brake Drive UP Drive DOWN Output OFF Details ­ 43 ­ MD-MT877/MD-MT877C --MEMO-- ­ 44 ­ MD-MT877/MD-MT877C PARTS GUIDE PORTABLE MINIDISC RECORDER MD-MT877(S) MODEL MD-MT877C(S) "HOW TO ORDER REPLACEMENT PARTS" To have your order filled promptly and correctly, please furnish the following information. For location of SHARP Parts Distributor, Please call Toll-Free; 1-800-BE-SHARP MARK: SPARE PARTS-DELIVERY SECTION Explanation of capacitors/resistors parts codes Capacitors VCC . . . . . . . . . . . . . . . . . . . . . . . Cylindrical type (without lead wire) VC · · MN . . . . . . . . . . . . . . . [. . . ]