Cambridge Audio DVD53, Руководство по обслуживанию

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MT1336
PRELIMINARY, SUBJ ECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE
124 MDI1
Analog Input
Laser power monitor input
125 LDO1 Analog Ou tput 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
128,118 WAGND GND Wobble GND
5 AVDDO Power Power for RF output
8 AGNDO GND GND for RF output
14 AVDDT Power Power for Trimming PAD
12 AGNDT GND GND for Trimming PAD
22 VDDP Power Peak Detection Power
31 GNDP GND Peak Detection GND
37,54 VDD Power Serial I/O Power
39,57 GND GND Serial I/O GND
REFERENCE VOLTAGE
16 VREFO Analog output Reference voltage 1.4V
15 V2REFO Analog output Reference voltage 2.8V
17 V20 Analog Output Reference voltage 2.0V
16