Kenwood KDC-8024, Руководство по обслуживанию

Страница: 7 / 40

KDC-8024
7
Pin No. Pin Name I/O Module Purpose / Description Truth table Processing Operation
57 SC_CON O To panel Panel
µ
-com control. Power OFF, ACC OFF : L
58 M_RST O CD Reset output to CD mechanism. Normally : H, Reset : L (Per mechanism control)
59 M_STOP O CD Stop request to CD mechanism. Stop : L, CD : H
60 CD_SW3 I CD DC down switch detection. Chucking : H
61 LO/EJ I/O CD CD mechanism loading/eject switch. Stop, brake : Hi-Z, Loading : L, Eject : H
62 MOSW O CD CD mechanism motor driver switch. Loading, eject, brake : H
63 FPM MOTOR B O P-mecha FPM mechanism (Slider) control.
e
64 FPM MOTOR F O P-mecha FPM mechanism (Slider) control.
e
65 FPM MOTOR O O P-mecha FPM mechanism (Angle) control.
e
66 FPM MOTOR C O P-mecha FPM mechanism (Angle) control.
e
67 O_DATA I/O Extra External display data input/output. External display
68 O_CLK I/O Extra External display clock input/output. External display
69 O_CE I/O Extra External display chip enable input/output. External display
70 M_MUTER I CD Mute request form CD mechanism. (R ch). ON : L (CD)
71 AVDD -
72 AVSS -
73 AVREF - Connect to P_ON (29 pin).
74 M_MUTEL I CD Mute request form CD mechanism. (L ch). ON : L (CD)
75 PAN_DET I To panel Panel E2PROM detection. With : L, Without : H
76 PHONE I Extra PHONE detection.
TEL mute : 1V or less, NAVI mute : 2.5V or more,
J type 1V or less, 2.5V or more : NAVI mute
77 FPM SW4 I P-mecha
FPM mechanism position detection,
e
3.75V or more : No mechanism,
mechanism detection. 1.25V or more : H, Less than 1.25V : L
78 FPM SW1 I P-mecha FPM mechanism position detection.
e
79 FPM SW2 I P-mecha FPM mechanism position detection.
e
80 FPM SW3 I P-mecha FPM mechanism position detection.
e
81 FPM PHOUT I P-mecha FPM mechanism position detection.
e
H : 2.2V or more
82 S_METER I Tuner S-meter detection. Refer to S03 F/E control.
83 NOISE I Tuner FM noise detection. Refer to S03 F/E control.
84 IFC_OUT I Tuner F/E IFC OUT input. With station : 2.5V or more, refer to S03 F/E control.
85 NC (POWER_DET) I Extra Power IC DC offset detection. 03 model not used. Connect to GND.
86 NC O NC (Except J type) Output : L
87 R_CLK I Tuner RDS decoder clock input.
88 LX_REQ_S I LX Receive request from external slave. Request : L
89 SC_REQ I To panel Communication request from panel
µ
-com
90 CD_SW1 I CD Loading switch detection. Loading start power off : L
91 CD_SW2 I CD 12cm disc detection switch. 12cm disc power off : L
92 R_QUAL I Tuner RDS decoder QUAL input.
93 R_DATA I Tuner RDS decoder data input.
94 LX_DATA_S I LX Data input from external slave.
95 LX_DATA_M O LX Data output to external slave.
96 LX_CLK I/O LX Clock input/output with external slave.
97 PAN_RX I To panel Data input from panel
µ
-com
MICROCOMPUTER’S TERMINAL DESCRIPTION