Pioneer DVD-R7783, Руководство по обслуживанию

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DVD-R7783
76
1 2 3 4
1 2 3 4
C
D
F
A
B
E
No. Pin Name I/O Pin Function
81 DGND
−
Digtal ground pin (for internal logic)
82 MCKE O SDRAM clock enable control signal
83 RAS O Buffer memory interface raw address strobe control signal
84 MA9 O Buffer memory interface address bus
85 MBA O Buffer memory interface bank address signal
86 MA8 O Buffer memory interface address bus
87 MA10 O Buffer memory interface address bus
88 MA7 O Buffer memory interface address bus
89 MA0 O Buffer memory interface address bus
90 MA6 O Buffer memory interface address bus
91 MA1 O Buffer memory interface address bus
92 DVDD3
−
Digital 3.3V positive power supply pin (for pin 55 - pin 107)
93 DGND
−
Digtal ground pin (for pin 55 - pin 107)
94 MA5 O Buffer memory interface address bus
95 MA2 O Buffer memory interface address bus
96 DVDD
−
Digital 1.5V positive power supply pin (for internal logic)
97 DGND
−
Digtal ground pin (for internal logic)
98 MA4 O Buffer memory interface address bus
99 MA3 O Buffer memory interface address bus
100 RECD I RECD signal input
101 TCK I Test pin. Always connect to DGND.
102 TMS I Test pin. Always connect to DGND.
103 TAPCLK I Test pin. Always connect to DGND.
104 TESTSE I Test pin. Always connect to DGND.
105 EQCK2 O RF equalizer auto tracking clock output
106 RCCK O Read channel clock output
107 RCDTSVMON O Read channel data output / servo block monitor output
108 AGND
−
Analog ground pin (for EFMPLL)
109 PCEFM1
−
Read channel phase comparator capacitor connection pin
110 PCEFM2
−
Read channel phase comparator capacitor connection pin
111 FCEFM1
−
Read channel frequency comparator capacitor connection pin
112 FCEFM2
−
Read channel frequency comparator capacitor connection pin
113 LLOCK
−
Capacitor connection pin
114 AVDD3
−
Analog 3.3V positive power supply pin (for EFMPLL)
115 AVDD
−
Analog 1.5V positive power supply pin (for EFMPLL)
116 IREF I Read channel analog reference current input pin
117 AVDD3
−
Analog 3.3V positive power supply pin (for EFMCOMP)
118 JFFIL1
−
Capacitor connection pin for jitter feedback
119 JFFIL2
−
Capacitor connection pin for jitter feedback
120 EFM O EFM comparator output
121 ASY I EFM comparator asymmetry adjustment voltage input
122 RFI I RF signal input to EFM comparator
123 AGND
−
Analog ground pin (for EFMCOMP)
124 DVDD
−
Digital 1.5V positive power supply pin (for internal logic)
125 DGND
−
Digital ground pin (for internal logic)
126 SWRF1 I WRF sample hold signal input (A/D converter input)
127 SWRF2 I WRF sample hold signal input (A/D converter input)
128 AVDD3
−
Analog 3.3V positive power supply pin (for ADC (SWRF1, SWRF2), DAC)
129 AGND
−
Analog ground pin (for ADC (SWRF1, SWRF2), DAC)
130 MDRV O Spindle drive output (D/A converter output)