Aiwa XP-R231, Руководство по обслуживанию

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Pin No. Pin Name I/O Description
42 DSLF O DSL loop filter terminal.
43 DRF O Bias terminal for DSL.
44 PLLF O PLL loop filter terminal.
45 VCOF O Jitter free VCO loop filter terminal.
46 AVDD2 I Analogue circuit power (for DSL, PLL, VCOF, AD, DA).
47 AVSS2 I Analogue circuit GND (for DSL, PLL, VCOF, AD, DA).
48 OUTL O Lch audio output.
49 AVSS1 I Analogue circuit GND.
50 OUTR O Rch audio output.
51 AVDD1 I Analogue circuit power.
52 FSEL I Noise filter on/off switch input. "L": On, "H": Off. (Connected to VDD)
53 TMOD1 I Terminal mode switch input terminal 1. Normally set to "L". (Connected to GND)
54 TMOD2 I Terminal mode switch input terminal 2. Normally set to "L". (Connected to GND)
55 FLAG O Flag signal output. (Not used)
56 IPFLAG O Interpolation flag signal output. "H": Interpolation. (Not used)
57 EXT0 I/O Extension input/output port 0. (Not used)
58 EXT1 I/O Extension input/output port 1. (Not used)
59 IOVDD2 I I/O power supply.
60 TX O Digital audio interface output signal. (Not used)
61 MCLK I Microcomputer command clock signal input. (Data is latched at loading edge)
62 MDATA I Microcomputer command data signal input.
63 MLD I Microcomputer command load signal input. "L": Load.
64 BLKCK O Sub-code block clock signal fBLKCK = 75Hz. (In normal PLAY mode)
65 PWMSEL I/O PWM output mode select input. (Connected to GND)
66 SMCK O 4.236MHz/8.4672MHz clock signal output. (Not used)
67 DMUTE I Muting input. "H": Mute. (Connected to GND)
68 STAT O Status signal output.
69 NRST I Reset input. "L": Reset.
70 SPPOL O Spindle motor drive signal output. (Polar output)
71 PMCK O 88.2kHz clock signal output. (Not used)
72 NCLDCK O Sub-code frame clock signal output = 7.35kHz ( In normal PLAY mode ) (Not used)
73 SUBC O Sub-code serial output. (Not used)
74 SBCK O Clock input for sub-code serial output. (Connected to GND)
75 NTEST I Test terminal, normally set to “H”. (Connected to VDD)
76 X2 O Quartz oscillator circuit output terminal f = 16.93MHz.
77 X1 I Quartz oscillator circuit input terminal f = 16.93MHz.
78 VDSS1 I Digital circuit GND.
79 DVDD1 I Digital circuit power.
80 EXT2 I/O Extension input/output port 2. (Not Used)
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