Kenwood CKDC-395, Руководство по обслуживанию

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8
CKDC-395/395A/495
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No.
Active
Pin Name I/O Application Processing Operation
(H/L)
42 8EJE SW -
43 12EJE/SDET SW -
44 LOE/LIM SW I
Loading-end detection / H : Loading-end detection
Pick-up inner circumference detection. L : Pick-up inner circumference detection
45~49 NC - No connection.
50 DVDD2 - Power supply for digital circuit.
51 X1 I Main clock input.
52 X2 O Main clock output.
53 DVSS2 - GND for digital circuit.
54 XSUB1 -
55 NC - No connection.
56 TEST1 - Test terminal. Normal condition : “H” fixed
57 TEST2 - Test terminal. Normal condition : “H” fixed
58,59 NC - No connection.
60 DRV MUTE O Driver mute control. L : Mute ON, H : Mute OFF
61 L MUTE L O Audio Lch mute output.
62 L MUTE R O Audio Rch mute output.
63 L RST I LSI reset input.
64 OCD CLK -
65 L MSTOP I Standby detection.
66 DATA I/O I2C bus data line (Communication line to system
µ
-com). During serial writer is connected.
67 SBIO I Data input. During serial writer is connected.
68 L CLK I/O I2C bus clock line (Communication line to system
µ
-com). During serial writer is connected.
69 TX O Digital audio interface signal output.
70 NC - No connection.
71 XSEL -
72 MCNT I Loading control / Eject control. L : OFF (Host control), H : Mecha
µ
-com control
73 P. ON O Audio & Servo power supply control. L : Power supply ON. H : Power supply OFF
74,75 NC - No connection.
76 CD-RW O CD-RW control. H : CD-RW, L : Normal disc
77 NC - No connection.
78 DVDD3 - Power supply for digital circuit.
79 FOD O Focusing drive output (PWM output).
80 TRD O Tracking drive output (PWM output).
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