Kenwood DPC-X311, Руководство по обслуживанию

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DPC-X311/X517/X612
CIRCUIT DESCRIPTION
Pin No. Pin Name I/O Description
ACTIVE
H L
31 VREF - Reference power supply for DA output port.
32 FE I Focus errorr signal input.
33 TE I Tracking errorr signal input.
34 RFENV I RF inv. signal input.
35 OFT I Off track signal input. OFF TRACK
36 RFDET I RF detecter signal input.
37 BDO I Drop out signal input. DROP OUT
38 LDON O Laser on signal output. ON
39 ARF I RF signal input.
40 IREF I Reference current input.
41 DRF I DSL bias port.
42 DSLF O DSL loop filter port.
43 DSLF2 O DSL unbalance current correction.
44 PLLF O PLL loop filter port.
45 VCOF O Jitter free VCO loop filter.
46 AVDD2 - Analog power supply.
47 AVSS2 - Analog ground.
48 OUTL O Left channel of audio output.
49 AVSS1 - Analog ground.
50 OUTR O Right channel of audio output.
51 AVDD1 - Analog power supply.
52 FSEL I Unused.
53 TMOD1 I Connected to DVSS.
54 TMOD2 I Connected to DVSS.
55 FLAG O Disconnected.
56 FCLK O Disconnected.
57-59 EXT0-EXT2 - Disconnected.
60 TX O Unused.
61 MCLK I Command clock signal input port of microprocessor.
62 MDATA I Command data signal input port of microprocessor.
63 MLD I Command load signal input port of microprocessor. LOAD
64 BLKCK O Sub code clock signal output.
65 SQCK I Sub code Q data clock input port.
66 SUBQ O Sub code Q data signal output port.
67 DMUTE I Digital ground.
68 STAT O Status signal output port.
69 RST I Reset signal input port. RESET
70 CSEL I Digital ground.
71 PMCK O Clock signal output(88.2kHz).
72 SMCK O Clock signal output(4.2336MHz).
73 SUBC O Disconnected.
74 SBCK I Digital ground.
75 CLDCK O Disconnected.
76 TEST I Digital power supply.
77 X1 I Oscillator input port(16.9344MHz).
78 X2 O Oscillator output port(16.9344MHz).
79 DVDD1 - Digital power supply.
80 DVSS1 - Digital ground.