Kenwood CD-3260M, Руководство по обслуживанию Ma

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CD-3260M/3280M/DPF-J7020
6
CIRCUIT DESCRIPTION
Pin No. Pin Name I/O Description
56 JOG1 I Encoder signal B input.
57 DOOR-SW I Door open/close detector switch.
58 LOAD-SW2 I Load switch2 for sub pickup(CD-3280M only).
59 UNLOAD-SW2 I Unload switch2 for sub pickup(CD-3280Monly).
60 DISC-SW2 I Disc2 sensor(CD-3280M only).
61 VSS - GND.
62 LOADM-2 O Load motor(-) for sub pickup(CD-3280M only).
63 LOADM+2 O Load motor(+) for sub pickup(CD-3280M only).
64 AVREF1 - D/A reference power supply.
65 RXD2 I UART communication input(CD-3280M only).
66 TXD2 O UART communication output(CD-3280M only).
67 SQCK/SCK-SW O SQCK,SCK(DOT/DSP clock) selector. L:DSP.
68 RXD1 I UART communication input from sub u-com(CD-3280M only).
69 TXD1 O UART communication output to sub u-com(CD-3280M only).
70 LDC O Laser on/off. L: Laser diode on.
71 STB1 O Strobe signal output to dot driver.
72 S0 I Data input from dot driver.
73 SQS1 I Sub code read data input.
74 S1 O Data output to dot driver.
75 SCK/SQCK O Dot driver/sub code read clock.
76-83 A16,14,12,7-3 O Address output to SRAM.
84-91 D0-7 I/O SRAM data bus.
92-97 A8-11,13,15 O Address output to SRAM.
98,99 A0,1 O Address output to SRAM.
100 VSS - GND.
VOLTAGE A/D0(33) A/D1(32) A/D2(31)
4.1V - -
DISPLAY
*OPERATION
3.3V - - RANDOM
2.5V - - CONFIRM
1.6V - REPEAT *CONT.P
0.8V DOWN *DISP. PLAY/PAUSE
0V UP POWER STOP
* CD-3280M only
1-3 Key matrix ( ) : IC14 Pin No.
CD-3260M(K) COVER1,1( 99.10.29 9:11 AM y [ W 11
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