Sony CDP-XE270 - Page 23

23
CDP-XE270/XE370
Pin No. Pin Name I/O Description
44 ADIO O
Output terminal for the test Not used (open)
45 AVSS0 —
Ground terminal (digital system)
46 IGEN I
Stabilized current input for operational amplifiers
47 AVDD0 —
Power supply terminal (+5V) (digital system)
48 ASYO O
EFM full-swing output terminal
49 ASYI I
Asymmetry comparator voltage input terminal
50 BIAS I
Asymmetry circuit constant current input terminal
51 RFAC I
EFM signal input from the CXA2581N (IC131)
52 AVSS3 —
Ground terminal (digital system)
53 CLTV I
Internal VCO control voltage input
54 FILO O
Filter output for master PLL
55 FILI I
Filter input for master PLL
56 PCO O
Charge pump output for master PLL
57 AVDD3 —
Power supply terminal (+5V) (digital system)
58 VSS —
Ground terminal (digital system)
59 VDD —
Power supply terminal (+5V) (digital system)
60 DOUT O
Digital audio signal output to the DIGITAL OUT OPTICAL (IC651)
61 LRCK O
D/A interface L/R sampling clock signal (44.1 kHz) output terminal Not used (open)
62 PCMD O
D/A interface serial data output terminal Not used (open)
63 BCK O
D/A interface bit clock signal (2.8224 MHz) output terminal Not used (open)
64 EMPH O
“H” is output when playback disc is emphasis on
“L” is output when playback disc is emphasis off Not used (open)
65 XVDD —
Power supply terminal (+5V) (crystal oscillator system)
66 XTAI I
System clock input terminal (16.9344 MHz)
67 XTAO O
System clock output terminal (16.9344 MHz)
68 XVSS —
Ground terminal (crystal oscillator system)
69 AVDD1 —
Power supply terminal (+5V) (analog system)
70 AOUT1 O
L-ch analog audio signal output
71 AIN1 I
L-ch operational amplifiers input
72 LOUT1 O
L-ch line output
73 AVSS1 —
Ground terminal (analog system)
74 AVSS2 —
Ground terminal (analog system)
75 LOUT2 O
R-ch line output
76 AIN2 I
R-ch operational amplifiers input
77 AOUT2 O
R-ch analog audio signal output
78 AVDD2 —
Power supply terminal (+5V) (analog system)
79 RMUT O
R-ch line muting on/off control signal output “L”: line muting on
80 LMUT O
L-ch line muting on/off control signal output “L”: line muting on