Kenwood KDC-MP5036U Service Manual page 6

KDC- MP5036U/MP535U/W6537U/
W6537UY/X591
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
35 S SOC SCL
36 PANEL SW DET
37 EJECT
38 NC
39 ROMCOR DET
39 EPM
40 DSI
41 CD DISC12 SW
42 CD LOS SW
43 CD MUTE
44 VFD CS
45 SOC S RST
46 SOC S STOP
47 NC
48 CD LOE LIM SW
49 CD LOEJ
50 CD MOTOR
51 ROTARY CW
52 ROTARY CCW
53 PON PANEL
54 PON FL+B
55 SW USB
56 NC
57 PON ILL
58,59 NC
60 VCC2
61 PON
62 VSS
63,64 TYPE 1,2
65 NC
66 PCON
67~69 NC
70 ANT CON
71 NC
6
I/O Application
SOC → System µ-com clock
I
I Detection of panel attached/detached
I Eject key detection
O Not used
I E2PROM writing request
I EPM input when writing
I/O DSI control
I 12cm CD detection
I CD loading detection
I CD mute request
O VFD control request
O SOC reset
O SOC stop
- Not used
I CD detection (Chucking SW)
I/O CD motor control
O CD motor control
I VOL key detection
I VOL key detection
I/O Panel 5V power supply
I/O FL fi lament power supply
I/O VBUS5V control
- Not used
O Key illumination power supply
- Not used
-
O Power supply control
-
I Destination setting
- Not used
O External amplifi er control
- Not used
O Power antenna control
- Not used
Truth
Processing / Operation / Description
Value Table
H: Panel attached, L: Panel detached
L: Eject key ON
Output L fi xed
H: Writing
L: Mute request, H: Normal condition
H: VFD data transfer ready
H: Normal condition, L: Reset
H: Normal condition, L: SOC stopped
Output L fi xed
H: Loading completed, L: No disc
q
Refer to the truth value table
q
Refer to the truth value table
Detects pulse
24-pulse/360°, 1-pulse/1-click
Detects pulse
24-pulse/360°, 1-pulse/1-click
ON (For 11 minutes after ACC OFF): L
Momentary power down or Panel detached or 11 minutes
after ACC OFF: Hi-Z
H: ON, Hi-z: OFF
H: ON, Hi-z: OFF (Depends on command order from SOC)
Output L fi xed
H: Power ON, L: Power OFF
Output L fi xed
H: Power ON, L: Power OFF
w
Refer to the truth value table
Output L fi xed
Output L fi xed
Tuner ON: H
Output L fi xed