Sony CDP-XA30ES, Руководство по обслуживанию

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SECTION 6
DIAGRAMS
6-1. IC PIN FUNCTION DISCRIPTION
Pin No. Pin Name I / O Function
1 SRON O Sled servo drive PWM signal output terminal Not used (open)
2 SRDR O Sled servo drive PWM signal (–) output to the BA6297AFP (IC102)
3 SFON O Sled servo drive PWM signal output terminal Not used (open)
4 TFDR O Tracking servo drive PWM signal (–) output to the BA6297AFP (IC102)
5 TRON O Tracking servo drive PWM signal output terminal Not used (open)
6 TRDR O Tracking servo drive PWM signal (+) output to the BA6297AFP (IC102)
7 TFON O Tracking servo drive PWM signal output terminal Not used (open)
8 FFDR O Focus servo drive PWM signal (+) output to the BA6297AFP (IC102)
9 FRON O Focus servo drive PWM signal output terminal Not used (open)
10 FRDR O Focus servo drive PWM signal (–) output to the BA6297AFP (IC102)
11 FFON O Focus servo drive PWM signal output terminal Not used (open)
12 VCOO O Oscillator circuit output terminal for analog PLL of the playback EFM Not used (open)
13 VCOI I Oscillator circuit input terminal for analog PLL of the playback EFM Not used (fixed at “L”)
14 TEST I Input terminal for the test (fixed at “L”)
15 DVSS — Ground terminal (digital system)
16 TES2 I Input terminal for the test (fixed at “L”)
17 TES3 I Input terminal for the test (fixed at “L”)
18 PDO O Charge-pump output terminal for analog PLL of the playback EFM Not used (open)
19 VPCO O PLL charge-pump output terminal for the variable pitch Not used (open)
20 VCKI I Clock signal input from external VCO for the variable pitch Not used (fixed at “L”)
21 AVD2 — Power supply terminal (+5V) (analog system)
22 IGEN I Power supply terminal (+5V) (for operational amplifier)
23 AVS2 — Ground terminal (analog system)
24 ADII I Input terminal for the A/D converter Not used (open)
25 ADIO O Output terminal of the operational amplifier Not used (open)
26 RFDC I RF signal (DC level) input terminal for the digital servo process
27 TE I Tracking error signal input from the RF amplifier in optical pick-up
28 SE I Sled error signal input from the RF amplifier in optical pick-up
29 FE I Focus error signal input from the RF amplifier in optical pick-up
30 VC I Middle point voltage (+2.5V) input from the RF amplifier in optical pick-up
31 FILO O Filter output terminal for master clock of the playback master PLL
32 FILI I Filter input terminal for master clock of the playback master PLL
33 PCO O Phase comparison output terminal for master clock of the playback EFM master PLL
34 CLTV I Internal VCO control voltage input of the playback master PLL
35 AVS1 — Ground terminal (analog system)
36 RFAC I RF signal (AC level) input terminal for the EFM demodulator
37 BIAS I Constant current input terminal of the playback EFM asymmetry circuit
38 ASYI I Playback EFM asymmetry comparator voltage input terminal
39 ASYO O
Playback EFM full-swing output terminal
40 AVD1 — Power supply terminal (+5V) (analog system)
41 DVDD — Power supply terminal (+5V) (digital system)
42 ASYE I Playback EFM asymmetry circuit on/off selection input terminal (fixed at “H”)
43 PSSL I Audio data output mode selection input terminal (fixed at “L”)
BD BOARD IC101 CXD2545Q
(DIGITAL SIGNAL PROCESSOR, FOCUS/TRACKING/SLED SERVO, EFM COMPARATOR)
Pin No. Pin Name I / O Function
44 WDCK O Word clock signal (88.2 kHz) output terminal Not used (open)
45 LRCK O L/R sampling clock signal (44.1 kHz) output to the CXD8595Q (IC301)
46 DATA O
DA16 output when PSSL=“H”, 48-bit slot serial data output when PSSL=“L”
(PSSL (pin
$£
)=fixed at “L”) Serial data output to the CXD8595Q (IC301)
47 BCLK O
DA15 output when PSSL=“H”, 48-bit slot bit clock signal output when PSSL=“L”
(PSSL (pin
$£
)=fixed at “L”) Bit clock signal (2.8224 MHz) output to the CXD8595Q (IC301)
48 64 DATA O
DA14 output when PSSL=“H”, 64-bit slot serial data output when PSSL=“L”
(PSSL (pin
$£
)=fixed at “L”) Not used (open)
49 64 BCLK O
DA13 output when PSSL=“H”, 64-bit slot bit clock signal output when PSSL=“L”
(PSSL (pin
$£
)=fixed at “L”) Not used (open)
50 64 LRCK O
DA12 output when PSSL=“H”, 64-bit slot L/R sampling clock signal output when PSSL=“L”
(PSSL (pin
$£
)=fixed at “L”) Not used (open)
51 GTOP O
DA11 output when PSSL=“H”, GTOP signal output when PSSL=“L”
(PSSL (pin
$£
)=fixed at “L”) Not used (open)
52 XUGF O
DA10 output when PSSL=“H”, XUGF signal output when PSSL=“L”
(PSSL (pin
$£
)=fixed at “L”) Not used (open)
53 XPLCK O
DA09 output when PSSL=“H”, XPLCK signal output when PSSL=“L”
(PSSL (pin
$£
)=fixed at “L”) Not used (open)
54 GFS O
DA08 output when PSSL=“H”, GFS (guard frame sync) signal output when PSSL=“L”
(PSSL (pin
$£
)=fixed at “L”) Not used (open)
55 RFCK O
DA07 output when PSSL=“H”, RFCK (read frame clock) signal output when PSSL=“L”
(PSSL (pin
$£
)=fixed at “L”) Not used (open)
56 C2PO O
DA06 output when PSSL=“H”, C2PO signal output when PSSL=“L”
(PSSL (pin
$£
)=fixed at “L”) Not used (open)
57 XRAOF O
DA05 output when PSSL=“H”, XRAOF (RAM over flow) signal output when PSSL=“L”
(PSSL (pin
$£
)=fixed at “L”) Not used (open)
58 MNT3 O
DA04 output when PSSL=“H”, MNT3 (monitor 3) signal output when PSSL=“L”
(PSSL (pin
$£
)=fixed at “L”) Not used (open)
59 MNT2 O
DA03 output when PSSL=“H”, MNT2 (monitor 2) signal output when PSSL=“L”
(PSSL (pin
$£
)=fixed at “L”) Not used (open)
60 MNT1 O
DA02 output when PSSL=“H”, MNT1 (monitor 1) signal output when PSSL=“L”
(PSSL (pin
$£
)=fixed at “L”) Not used (open)
61 MNT0 O
DA01 output when PSSL=“H”, MNT0 (monitor 0) signal output when PSSL=“L”
(PSSL (pin
$£
)=fixed at “L”) Not used (open)
62 XTAI I System clock input terminal (16 MHz)
63 XTAO O System clock output terminal (16 MHz) Not used (open)
64 XTSL I System clock selection input terminal (fixed at “L”)
65 DVSS — Ground terminal (digital system)
66 FSTI I 2/3 divider input terminal of pins
^™
(XATI) and
^£
(XTAO)
67 FSTO O 2/3 divider output terminal of pins
^™
(XATI) and
^£
(XTAO)
68 C4M O 4.2336 MHz clock signal output terminal Not used (open)
69 C16M O 16.9344 MHz clock signal output terminal Not used (open)
70 MD2 I Digital out on/off control signal input from the system controller (IC351)
71 DOUT O Digital signal (for coaxial out and optical out) output terminal
72 EMPH O Emphasis control signal output terminal Not used (open)
73 WFCK O Write frame clock signal output terminal Not used (open)
74 SCOR O Sub-code sync (S0+S1) detection signal output to the system controller (IC351)