Sharp MS722 Service Manual - Page 15

MD-MS722/C/W/MS721W •Whenever the DISP button is pressed in the continuous playback mode, the indication changes as follows. * Pit section Continuous playback (SUBQ address indication) [ S Q ] | Continuous playback (C1 error indication) [ C E ] | Continuous playback (SUBQ address indication) [ S Q ] * Groove section Continuous playback (ADIP address indication) [ A P ] | Continuous playback (C1 error indication) [ C E ] | Continuous playback (ADIP error indication) [ A E ] | Continuous playback (ADIP address indication) [ A P ] 8. TEST-REC Mode • When the STOP button is pressed while the TEST-REC menu appears, or in the TEST-REC mode or continuous record mode, the mode changes to the TEST mode stop state. • When the PLAY button is pressed while the TEST-REC menu appears, the continuous record is initiated from the current pickup position. • Whenever the DISP button is pressed in the TEST-REC mode, the address changes as follows. 0050 - 03C0 - 0700 - 08A0 - 0050 - • Whenever the BASS button is pressed in the TEST-REC mode, the digit which is changed by the SKIP UP/DOWN button changes as follows. 0050 - 0050 - 0050 - 0050 - 0050 - • When the SKIP UP button s pressed in the TEST-REC mode, the digit of address specified by the BASS button is set to +1h.(0 to F) • When the SKIP DOWN button is pressed in the TEST-REC mode, the digit of address specified by the BASS button is set to -1h. (0 to F) * When the SKIP UP/DOWN button is held down, the setting changes continuously, one cycle being 100 ms. • When the VOL UP/DOWN 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 address indication is restored. [ RPW ] • : Address • : Laser power cord • Operation is disabled if the premastered disc or disc is in miserase-protected state. 9. 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. is possible (without indication) • Recording is also possible. 10. Digital input display Mode (Din Mon) • When the STOP button is pressed while the digital input indication menu appears or during digital input information indication, the mode changes to the TEST mode stop state. • In case of analog input or digital input unlocking the indication data is _. 11. Error data display Mode • Reversing when SKIP DOWN 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 data 0 is the latest error. • 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. [ C L E A R _ ] • : Error Code Explanation of error history code 12h : RF side FG, TG, and TCRS adjustment termination failure 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 24h : Disc linear speed measurement failure 32h : P-TOC read failure 42h : U-TOC read failure 44h : U-TOC write data write disabled/read check error 52h : SD write data write disabled 71h : Pickup position initialization time-over 72h : EEPROM data read check sum error 73h : Record head drive disabled (by EJECT lever) 82h : Power overvoltage detection 91h : Ambient temperature is higher that the allowable tempera- ture. - 15 -