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NEO DVD-HT750 Service Manual
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Contents
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1496 DVDRFIP Analog input AC coupled DVD RF signal input RFIP94 CDA Analog input AC coupled CD RF signal input A93 CDB Analog input AC coupled CD RF signal input B92 CDC Analog input AC coupled CD RF signal input C91 CDD Analog input AC coupled CD RF signal input D90 OSN Analog RF Offset cancellation capacitor connection89 OSP Analog RF Offset cancellation capacitor connection85 CEQP Analog RF Offset cancellation capacitor connection84 CEQN Analog RF Offset cancellation capacitor connection88 RFGC Analog RF AGC loop capacitor connecting for DVD-ROM87 RFGCU Analog RF AGC loop capacitor connecting for DVD-ROM86 RFGCI Analog RF AGC loop capacitor connecting for DVD-ROM101 MA Analog input DC coupled DVD-RAM main-beam RF signal input A102 MB Analog input DC coupled DVD-RAM main-beam RF signal input B103 MC Analog input DC coupled DVD-RAM main-beam RF signal input C104 MD Analog input DC coupled DVD-RAM main-beam RF signal input D105 SA Analog input DC coupled DVD-RAM sub-beam RF signal input A106 SB Analog input DC coupled DVD-RAM sub-beam RF signal input B110 SC Analog input DC coupled DVD-RAM sub-beam RF signal input C111 SD Analog input DC coupled DVD-RAM sub-beam RF signal input D108 IR Analog External current bias resistor (R=20K)119 AGC1 Analog Wobble AGC loop1 capacitor121 AGC2 Analog Wobble AGC loop2 capacitor122 AGC3 Analog Wobble AGC loop3 capacitor127 RFSUBO Analog output Header push-pull RF output signal1 WOBSO Analog output Wobble signal output6 RFOP Analog output RF positive output7 RFON Analog output RF negative outputTRACKING ERROR32 DPFN Analog DPD amplifier negative input33 DPFO Analog DPD amplifier output61 DPDMUTE Digital input DPD mute control input116 TNI Analog input 3 beam satellite PD signal negative input115 TPI Analog input 3 beam satellite PD signal positive input21 TEO Analog Output Tracking error outputFOCUSING ERROR & RF LEVEL & CENTRAL SERVO SIGNAL112 CDFOP Analog input CD focusing error positive input113 CDFON Analog input CD focusing error negative input18 FEO Analog output Focusing error output19 LVL Analog output RF level output20 CSO Analog output Central servo signal outputALPC124 MDI1 Analog input Laser power monitor input125 LDO1 Analog Output Laser driver output123 MDI2 Analog input Laser power monitor input126 LDO2 Analog Output Laser driver outputRF RIPPLE26 CRTP Analog RF top envelop filter capacitor connecting27 CRTPLP Analog Defect level filter capacitor connecting25 HRFRP Analog output High frequency RF ripple output or Blank detector’s output24 LRFRP Analog output Low frequency RF ripple outputPOWER67,69 AVDD Power Master PLL Filter power65,73 AGND GND GND for Master PLL Filter64 AVDD Power DPD Power62 AGND GND DPD GND109 AVDD Power RF path Power107 AGND GND RF path GND114 SVDD Power Servo Power117 SGND GND Servo GND2,120 WAVDD Power Wobble Power |
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