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BASIC CD MECHANISM : TN-CCD1001-902M • This Service Manual contains the additional information “CD ELECTRICAL SECTION” for the model XR-MS3 (U,HC). If requiring the other information, see Service Manual of XR-MS3 (U,EZ), (S/M Code No. 09-002-422-6R1), XR-MS3 (HC), (S/M Code No. 09-008-422-6R2).
PROTECTION OF EYES FROM LASER BEAM DURING SERVICING This set employs laser. Therefore, be sure to follow carefully CAUTION the instructions below when servicing. Use of controls or adjustments or performance of proce- dures other than those specified herin may result in WARNING!! hazardous radiation exposure.
SCHEMATIC DIAGRAM MAIN C.B Communication Lines SW C.B LOADING MOTOR DRIVER (DISC DET) (DISC DET) RESET LOADING MOTOR SYSTEM CONTROL MOTOR DRIVER (DISC DET) SLED MOTOR (DISC DET) SPINDLE MOTOR PICK UP DET SW ESE11HS2 LD SW DIGITAL SERVO, DAC,DSP DIGITAL FILTER LD SW Digital...
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IC DESCRIPTION IC, CXD2587Q Pin No. Pin Name Description SQSO Sub-Q 80-bit, PCM peak and level data output. CD TEXT data output. SQCK SQSO Clock input for reading. XRST System reset. Reset at "L". SYSM Muting input. Muted at "H". DATA Serial data input from CPU.
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Pin No. Pin Name Description Sled error signal input. Tracking error signal input. Center servo analog input. RFDC RF signal input. ADIO For test. (Not used) AVSS0 – Ground of analog circuits. IGEN Constant current input for OP amp. AVDD0 –...
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NOTES • PCMD is a MSB first, two's complement output. • GTOP is used to monitor the frame sync protection status. (High: sync protection window released.) • XUGF is the frame sync obtained from the EFM signal, and is negative pulse. It is the signal before sync protection.