Kenwood RXD-V333, Руководство по обслуживанию

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RXD-V333/V535//V636/V737
8
CIRCUIT DESCRIPTION
Pin No. Pin Name I/O Description
ACTIVE
H L
51 JOG 2 I Multi control jog input2 .
52 JOG 1 I Multi control jog input1 .
53 VOL 2 I Volume encoder input 2 .
54 VOL 1 I Volume encoder input 1 .
55 LED STBY O Control port of standby LED. OFF ON
56 LED TIMER O Control port of timer LED. OFF ON
57 LED SVCO O Control port of SVCO LED. OFF ON
58 LED VCO O Control port of VCO LED. OFF ON
59 LED PBC O Control port of PBC LED. OFF ON
60 ECHO 3 O Selection of echo 3.
61 ECHO 2 O Selection of echo 2.
62 VCC - power 5.0V).
63 ECHO 1 O Selection of echo 1.
64 VSS - Connected to GND.
65 TD SW I Traverse down switch input port of CD mechanism.
66 TU SW I Traverse up switch input port of CD mechanism.
67 PHTR I stop switch input of CD mechanism.
68 PS SW I Tray position & disc detector switch input port of CD mechanism.
69 OPEN SW I CD open detection switch input.
70 CLOSE SW I CD close detection switch input.
71 OPEN O CD motor control output.
72 CLOSE O CD motor control output.
73 RTL O Rotary motor opposite direction(CCW) output.
74 RTR O Rotary motor positive direction(CW) output.
75 BRKM O CD motor control output(brake).
76 TU ON/OFF O Unused.
77 DC OFF O Power control of CD DSP IC. ON OFF
78 REC OUT MUTE O Control port of audio muting for video rec output. MUTE OFF MUTE ON
79 A-MUTE O Control port of audio muting.
80 ATT O -10dB attenunation output. ON OFF
81 CD PROT O Control port of CD protection.
82 POWER O Power relay control.
83 SP RELAY O Control port of speaker relay.
84 EV CLK O Clock output to E.volume.
85 EV DATA O Data output to E.volume.
86 EMPHASIS O Tuner emphasis output.
87 E2PROM DATA O Expander ROM data output.
88 E2PROM CLK O Expander ROM clock output.
89 PROTECT I Detection port of protection.
90 SPEANA I Input port of music signal.
91 TYPE I Discrimination of tuner destination.
92 BPH I B deck reel sensor input.
93 APH I A deck reel sensor input.
94,95 KEY3,KEY2 I A/D key input(key3,key2).
96 AVSS - Connected to GND.
97 KEY1 I A/D key input(key1).
98 VREF - A/D reference voltage input.
99 AVCC - u-com power 5.0V).
100 PLL DATA O PLL I data output.