Kenwood KDC-MP332 Service Manual page 6

KDC-MP332/MP5033
KDC-W534/W534Y
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
38 PS2-2
39 PS2-1
40 PS1-1
41 PS1-2
42 PS1-3
43 KEY CDEJ
44 PON CD
45 CD MUTE
46 CD MSTOP
47 CD LOE LIM SW
48 CD LOEJ
49 CD MOTOR
50 CD DISC8 SW
51 CD MRST
52 CD SCL
53 CD DISC12 SW
54 CD LOS SW
55 CD SDA
56 OEM DISP CE I/O
57 OEM DISP CLK I/O
58 OEM DISP DATA I/O
59 EJECT ILLUMI
60 RESET
61 PANEL DET
62 PON FL
63 KEY REQ
64 RDS CLK
65 REMO
66 LX REQ S
67 VSS0
68 VDD1
69 X2
70 X1
71 TEST
72 XT2
73 XT1
6
I/O Application
O Power supply control output 2-2
O Power supply control output 2-1
O Power supply control output 1-1
O Power supply control output 1-2
O Power supply control output 1-3
I Flip-down panel eject key
I/O Power supply control for MP3
I CD mute request
CD mechanism µ-com stop
O
I CD detection (chucking SW)
I/O CD motor control
O CD motor control
I 8cm disc detection (not used)
O CD mechanism É -com reset
I/O CD mechanism I2C clock output
I 12cm disc detection
I CD loading detection
I/O CD mechanism I2C clock input/output
External display chip enable
External display clock
External display data
Eject illumi control and DSI
O
for flip-down panel
-
I Flip-down panel detection
O Power supply for display
I Communication request from VFD
I RDS decoder clock input
I Remote control input
I Communication request from slave unit
-
-
-
-
-
-
-
Truth Value
Processing / Operation / Description
Table
e
Refer to the truth value table
e
Refer to the truth value table
e
Refer to the truth value table
e
Refer to the truth value table
e
Refer to the truth value table
L: EJECT
ON: L, OFF: Hi-z
L: MUTE request
H: Mechanism µ-com in operation, L: Mechanism µ-com stopped
H: Loading completed, L: Disc not found
r
Refer to the truth value table
r
Refer to the truth value table
H: Normal, L: Reset
External display
External display
External display
H: LED ON, L: LED OFF
On when FLIP DET=H and PANEL DET=L
Blink when FLIP DET=H and PANEL DET=H
H: Flip-down panel detached, L: Flip-down panel attached
H: ON, H: OFF, L: When FLIP-DOWN DET H,
H: When FLIP-DOWN DET L
L: KEY input