Irradio DVD-636, Service Manual

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96 DVDRFIP Analog input AC coupled DVD RF signal input RFIP
94 CDA Analog input AC coupled CD RF signal input A
93 CDB Analog input AC coupled CD RF signal input B
92 CDC Analog input AC coupled CD RF signal input C
91 CDD Analog input AC coupled CD RF signal input D
90 OSN Analog RF Offset cancellation capacitor connection
89 OSP Analog RF Offset cancellation capacitor connection
85 CEQP Analog RF Offset cancellation capacitor connection
84 CEQN Analog RF Offset cancellation capacitor connection
88 RFGC Analog RF AGC loop capacitor connecting for DVD-ROM
87 RFGCU Analog RF AGC loop capacitor connecting for DVD-ROM
86 RFGCI Analog RF AGC loop capacitor connecting for DVD-ROM
101 MA Analog input DC coupled DVD-RAM main-beam RF signal input A
102 MB Analog input DC coupled DVD-RAM main-beam RF signal input B
103 MC Analog input DC coupled DVD-RAM main-beam RF signal input C
104 MD Analog input DC coupled DVD-RAM main-beam RF signal input D
105 SA Analog input DC coupled DVD-RAM sub-beam RF signal input A
106 SB Analog input DC coupled DVD-RAM sub-beam RF signal input B
110 SC Analog input DC coupled DVD-RAM sub-beam RF signal input C
111 SD Analog input DC coupled DVD-RAM sub-beam RF signal input D
108 IR Analog External current bias resistor (R=20K)
119 AGC1 Analog Wobble AGC loop1 capacitor
121 AGC2 Analog Wobble AGC loop2 capacitor
122 AGC3 Analog Wobble AGC loop3 capacitor
127 RFSUBO Analog output Header push-pull RF output signal
1 WOBSO Analog output Wobble signal output
6 RFOP Analog output RF positive output
7 RFON Analog output RF negative output
TRACKING ERROR
32 DPFN Analog DPD amplifier negative input
33 DPFO Analog DPD amplifier output
61 DPDMUTE Digital input DPD mute control input
116 TNI Analog input 3 beam satellite PD signal negative input
115 TPI Analog input 3 beam satellite PD signal positive input
21 TEO Analog Output Tracking error output
FOCUSING ERROR & RF LEVEL & CENTRAL SERVO SIGNAL
112 CDFOP Analog input CD focusing error positive input
113 CDFON Analog input CD focusing error negative input
18 FEO Analog output Focusing error output
19 LVL Analog output RF level output
20 CSO Analog output Central servo signal output
ALPC
124 MDI1 Analog input Laser power monitor input
125 LDO1 Analog Output Laser driver output
123 MDI2 Analog input Laser power monitor input
126 LDO2 Analog Output Laser driver output
RF RIPPLE
26 CRTP Analog RF top envelop filter capacitor connecting
27 CRTPLP Analog Defect level filter capacitor connecting
25 HRFRP Analog output High frequency RF ripple output or Blank detector’s output
24 LRFRP Analog output Low frequency RF ripple output
POWER
67,69 AVDD Power Master PLL Filter power
65,73 AGND GND GND for Master PLL Filter
64 AVDD Power DPD Power
62 AGND GND DPD GND
109 AVDD Power RF path Power
107 AGND GND RF path GND
114 SVDD Power Servo Power
117 SGND GND Servo GND
2,120 WAVDD Power Wobble Power