Sony CDX-C680 Service Manual page 31

Pin No. Pin Name
52 ASY.I
53 ASY.O
54 VC
55 FE
56 SE
57 TE
58 CE
59 RFDC
60 RFC
61 ADIO
62 AVSS3
63 IGEN
64 AVDD3
65, 66 TES2, 3
67 VSS2
68 TEST
69 SFDR
70 SRDR
71 TFDR
72 TRDR
73 FFDR
74 FRDR
75 VDD2
76 COUT
77 LOCK
78 MDS
79 MDP
80 SSTP
81 FSTO
82 FSTI
83 XTSL
84 C4M
85 WDCK
86 VDD3
87 LRCK
88 LRCKI
89 PCMD
90 PCMDI
91 BCK
92 BCKI
93 EMPH
94 EMPHI
95 VSS3
96 AVSS1
97 AVDD1
98 AOUT1
99 AIN1
100 LOUT1
101 AVSS1
102 XVDD
103 XTAI
104 XTAO
105 XVSS
I/O
I Asymmetry comparate voltage input
O EFM full-swing output ("L" : VSS, "H" : VDD)
I Center voltage input
I Focus error signal input
I Sled error signal input
I Tracking error signal input
I Center error signal input
I RF signal input
I Condenser connection pin for LPF time constant of RF signal.
O OP amplifier output (Not used.)
— Analog GND
I Current source reference resistor connection for OP amplifier.
— Analog power supply
I TEST pin (Fixed at "L".)
— Digital GND
I TEST pin (Fixed at "L".)
O Sled drive output
O Sled drive output
O Tracking drive output
O Tracking drive output
O Focus drive output
O Focus drive output
— Digital power supply
O Track number count signal output (Not used.)
O Not used.
O Servo control output of spindle motor. (Not used.)
O Servo control output of spindle motor.
I Disc most inner track detection signal input
O 2/3 frequency division output of pins 103 and 104.
I Reference clock input for digital servo.
I X'tal select input ("L" : 16.9344 MHz)
O 4.2336 MHz output
O D/A interface. Word clock f = 2Fs
— Digital power supply
O D/A interface. LR clock f = Fs
I LR clock input to DAC. (48 bit slot) (Not used.)
O D/A interface. Serial data (2's COMP, MSB first)
I Audio data input to DAC. (48 bit slot) (Not used.)
O D/A interface. Bit clock
I Bit clock input to DAC. (48 bit slot) (Not used.)
O Not used.
I De-emphasis ON/OFF of DAC. ("H" : ON, "L" : OFF) (Not used.)
— Digital GND
— L-ch, Analog GND.
— L-ch, Analog power supply.
O L-ch, Analog output. (Not used.)
I L-ch, OP amplifier input. (Not used.)
O L-ch, LINE output. (Not used.)
— L-ch, Analog GND.
— Analog power supply for master clock.
I X'tal oscillator input of master clock (16.9344 MHz).
O X'tal oscillator output of master clock. (Not used.)
— Analog GND for master clock. (Not used.)
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Pin Description