Kenwood MDX-G3, Руководство по обслуживанию

Страница: 7 / 33

MDX-G3
7
CIRCUIT DESCRIPTION
Port No. Port Name I/O Description
Active
H L
41 VPP - Microcomputer power supply (+5v).
42 MDATA O CD DSP command data output.
43 STAT I CD DSP status signal input.
44 MCLK O CD DSP command clock signal output.
45 MLD O CD DSP command load signal output.
46 SUBQ I CD sub code input.
47 SQCK O Clock output for CD sub code.
48 EEP SDA - Unused.
49 EEP SCL - Unused.
50 HI SPEED - Unused.
51 OPEN - Unused.
52 CLOSE - Unused.
53 MD CE I Detection port for MD back up.
54 MD RST I Reset output from MD mechanism.
55 INI MD SW I Unused.
56 BACK CHK - Unused.
57 BACK ON - Unused.
58 MD IN SW I Load switch input for MD disc.
59 NC - Unused.
60 PLAY SW I Detection switch input of head position for deck.
61 CrO2 SW - Unused.
62 HALF SW I Cassette half switch input.
63 REC F SW I Deck forward recording switch input. OFF ON
64 CPM O Control port of capstan motor for deck.
65 REC R SW I Deck reverse recording switch input. OFF ON
66 SOL O Control port of solenoid for deck.
67 LMUTE O Deck line mute control. ON
68 A/B-1 O Deck recording mute & head select control 1.
69 A/B-2 O Deck recording mute & head select control 2.
70 B
ø
/
¿
- Unused.
71 NOR - Unused.
72 BIAS O Control port of bias on/off for deck. ON OFF
73 R/P O Deck recording & playback changeover. Recording Playback
74 BEAT_C O On/off control port of beat cancel for deck. ON OFF
75 NC O Unused.
76 EVCLK O Sound controller clock output.
77 EVDATA O Sound controller data output.
78 ST - Unused.
79,80 NC - Unused.
81 LED STBY GRN O Standby led(green) control port. OFF ON
82 LED STBY RED O Standby led(red) control port. OFF ON
83,84 NC - Unused.
85 CD POWER O CD DSP power on/off changeover control. ON OFF
86 AMP ON/OFF O On/off control port for amplifier circuit.
87 AMUTE O Audio mute output.
88 POWER O Power relay control.
89~92 NC - Unused.
93 ST I Stereo detector input.
94 SD I SD detector input.
95 GND - Connected to ground.
96 PLL DATA O PLL IC data output.
97 PLL CLK O PLL IC clock output.
98 PLL DO I PLL IC data input.
99 PLL CE O PLL IC chip enable output.
100 DAVDD I D/A converter positive voltage.
www. xiaoyu163. com
QQ 376315150
9 9
2
8 9
4 2
9 8
TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299