Kenwood LS-N302, Руководство по обслуживанию

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RXD-302/302E/352/352E/372S
6
CIRCUIT DESCRIPTION
Pin No. Name I/O Description Active
1 PLL-CE O CE OUTPUT (LC72131) H: DATA L: ADDRESS
2 XRST I RESET (CXD2589Q) L: ON
3 PLL-DO O DATA OUTPUT (LC72131)
4 PLL-DI I PLL DATA INPUT (LC72131)
5 PLL-CLK O CLK OUTPUT (LC72131)
6 SO O DATA OUTPUT (CXD2589Q)
7 SQSO I SUB CODE INPUT(CXD2589Q)
8 SQCK O SUB CODE CLOCK OUTPUT (CXD2589Q)
9 XLAT O LATCH OUTPUT (CXD2589Q)
10 – –
–
–
–
–
NOT USED
11 SENS1 I SENS1(CXD2589Q)
12 RESET I uCOM RESET H: NORMAL L: RESET
13 POWER DOWN I POWER DOWN INPUT L: POWER DOWN
14 SENS2 I SENS2(CXD2589Q)
15 VSS GND
16,17 X1,2 Xtal 6.0MHz
18 VDD1 +5V
19-21 KEY1-3 I KEY 1-3 INPUT
22 VSS GND
23 L-METER L I LEVEL METER L,R
24 – I NOT USED
25 MODE-SW I DECK MODE SWITCH
26 BAND I BAND SWITCH
27 SCOR I SUB-CODE SYNCH DETECT (CXD2589Q)
28 PROTEC I PROTECTION IN H: PROTECT
29 REMOTE I REMOTE SIGNAL INPUT L: ON
30,31 ENC A,B I VOLUME ENCODER INPUT A,B
32 PIC-UP I PICK UP UP SWITCH
33 PIC-DOWN I PICK UP DOWN SWITCH
34 DISC-COUNT I DISC COUNTER SWITCH
35 T.T-SW I TURNTABLE SWITCH
36 TRAY-OPEN I TRAY OPEN SWITCH
37 TRAY-CLOSE I TRAY CLOSE SWITCH
38 MOTOR+ O T.T./U.D MOTOR +
39 MOTOR- O T.T./U.D MOTOR -
40 TRAY-M + O TRAY MOTOR +
41 TRAY-M - O TRAY MOTOR -
42 T,T-MSP O TURNTABLE MOTOR SPEED
43 CD-VDD O CD VDD CONTOROL(BA5936S MUTE) H: CD
44-51 –
–
–
O NOT USED
52 LED-STBY O LED STANDBY ON/OFF L: ON
53 LED-TIMER O LED TIMER ON/OFF L: ON
54,55 DECK A,B I DECK MECHA MODE SWITCH A,B H: STOP L: PLAY
56 VDD +5V
57 VSS GND
58,59 HALF A,B I DECK MECHA HALF SWITCH A,B L: EXSIT
60 REC-FEW-SW I REC FEW SWITCH L: HOOK EXSIT
1-3 Pin description
Pin No. Name I/O Description Active
61 REC-REV-SW I REC REV SWITCH L: HOOK EXSIT
62 A-PH I A DECK REEL SENSOR
63 B-PH I B DECK REEL SENSOR
64 DECK VCC O DECK MECHA VCC H: PLAY L: STOP
65 A SOL O A DECK SOLENOID CONTROL H: ON L: OFF
66 B SOL. O B DECK SOLENOID CONTROL H: ON L: OFF
67 DUBBING O DUBBING CONTROL H: DUBBING L: NORMAL
68 REC O REC CONTROL H: REC L: OTHER
69 REC-MUTE O REC MUTE H: OTHER L: REC
70 BIAS O BIAS ON/OFF CHANGEOVER CONTROL H: REC L: OTHER
71 A/B O A/B DECK MECHA CHANGEOVER H: A DECK L: B DECK
72 BEET CANCEL O REC BEET CANCEL H: ON L: OFF
73 TAPE-MUTE O DECK PLAY OUTPUT MUTE H: ON L: OFF
74-78 – –
– –
–
–
–
–
–
NOT USED
79 SP-RLY O SPEAKER RELAY ON/OFF H: ON L: OFF
80 NOT USED
81 MODE-SW4 I MODE SWITCH 4 SHORT WAVE H: EXSIT L: NONE
82 VSS GND
83,84 ENC A,B I JOG ENCODER(MULTI CONTROL) A,B L: ON
85 FOK I FOCUS OK OUTPUT (CXD2589Q) H: ON
86 STEREO I FM STEREO IN H: MONO L: STEREO
87 SDA I/O AUDIO CONTROL IC (TDA7439) DATA
88 SCL O AUDIO CONTROL IC (TDA7439)CLOCK
89 VSS2 GND
90 VDD2 +5V
91 – NOT USED
92 MUTE O SYSTEM MUTE H: OFF L: ON
93 TUNER-MUTE O TUNER MUTE H: ON L: OFF
94 AUDIO-MUTE O LINE (AUDIO) MUTE H: ON L: OFF
95 EX. BASS O EX BASS CONTROL H: ON L: OFF
96 – NOT USED
97 FL-CS O FL CONTROLLER (M66004DP) CS L: ON
98 FL-RESET I FL CONTROLLER (M66004DP) RESET L: ON
99 CLOCK O CLOCK OUTPUT (CXD2589Q)
100 2589Q MUT I MUTING SIGNAL INPUT (CXD2589Q) H: ON
RXD-302(K)
COVER1,1(
99.6.18
0:31
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