SAMSUNG MM19
Manual de Servicio

Block Diagrams

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Port SSTOP SL+ SLO SLSPDLSPDLO FEFEO TETEO ATSC TZC TE2 TE1 LPFT DVDD TDFCT FE2 FE1 FDFCT TGU TG2 FEBIAS DVEE PD1 PD2 F E PD LD VR VCC RFRFO IRF ARF RFI CAGC EI GND

Description The pin for detection whether pick_up position is innermost or not The noninverting input pin of sled servo amplifier The output pin of sled servo amplifier The inverting input pin of sled servo amplifier The noninverting input pin of spindle servo amplifier The output pin of spindle servo amplifier The inverting input pin of focus servo amplifier The output pin of focus servo amplifier The inverting input pin of tracking servo amplifier The output pin of tracking servo amplifier The input pin for Anti-shock detection The comaparator input pin for tracking zero crossing detection Tracking servo input pin Tracking error amplifier output pin The input pin of tracking error low pass filtering signal The power supply pin for logic circuit The capacitor connectiong pin for tracking defect compensation Focus servo input pin Focus error amplifier output pin The capacitor connection pin for focus defect compensation The capacitor connection pin for high frequency tracking gain switch The pin for high frequency gain change of tracking servo loop with internal TG2 switch Focus error bias voltage control pin The DVEE pin for logic circuit The negative input pin of RF I/V amplifier1(A+C signal) The negative input pin of RF I/V amplifier2(B+D signal) The negative input pin of F I/V amplifier(F signal) The negative input pin of E I/V amplifier(E signal) The input pin for APC The output pin for APC The output pin of (AVEE+AVCC)/2 voltage VCC for RF part RF summing amplifier inverting input pin RF summing amplifier output pin The input pin for AGC The output pin for AGC The input pin for EFM comparating The capacitor connection pin for AGC Feedback input pin of E I/V amplifier for EF Balance control GND for RF part

Samsung Electronics

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