Aiwa XR-MK25, Руководство по обслуживанию

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1 FOK I Focus OK input terminal. Used for SENS output and servo auto sequencer.
2 FSW O Spindle motor output filter selection output. (Not used)
3 MON O Spindle motor ON-OFF control output.
4 MDP O Spindle motor servo control.
5 MDS O Spindle motor servo control. (Not used)
6 LOCK O
H output when GFS is sampled at 460Hz and GFS is H. L output when L
is continuously 8 times. (Not used)
7 NC – Not used.
8 VCOO O Oscillator circuit output for analog EFM PLL. (Not used)
9 VCOI I
Oscillator circuit input for analog EFM PLL. fLOCK = 8.6436MHz.
(Connected to GND)
10 TEST I TEST terminal. (Connected to GND)
11 PDO O Charge pump output for analog EFM PLL. (Not used)
12 VSS – GND.
13 ~ 15 NC – Not used.
16 VPCO O Charge pump output for vari-pitch PLL. (Not used)
17 VCKI I Clock input from external VCO for vari-pitch. fc center = 16.9344MHz.
18 FILO O Filter output for master PLL (slave = digital PLL).
19 FILI I Filter input for master PLL.
20 PCO O Charge pump output for master PLL.
21 AVSS – Analog GND.
22 CLTV I VCO control voltage input for master.
23 AVDD – Analog power supply. (+3.5 V)
24 RF I EFM signal input.
25 BIAS I Asymmetry circuit constant current input.
26 ASYI I Asymmetry comparate voltage input.
27 ASYO O EFM full swing output (L = Vss, H = VDD.)
28 ASYE I L: asymmetry circuit OFF, H: asymmetry circuit ON. (Connected to VDD)
29 NC – Not used.
30 PSSL I
Audio data output mode selection input.
Serial output at L, parallel output at H. (Connected to GND)
31 WDCK O D/A interface for 48-bit slot. Word clock f = 2 Fs (Not used).
32 LRCK O D/A interface for 48-bit slot. LR clock f = Fs.
Pin No. Pin Name I/O Description
126 FSC4 I Frequency divider input. (Connected to GND)
127 ~ 128 HSEL0, HSEL1 I Host address bus.
Pin No. Pin Name I/O Description
IC, CXD2500BQ
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