Table Of Contents - Kenwood KDC-MP5028 Service Manual

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
34 SCL/ROMCOR_SCL
35 PON_PANEL
36 DSI
37 PM_MOT1
38 PM_MOT2
39 ELM
40 PM_OPEN
41 PM_CLOSE
42 ROMCOR_DET
43 PM_DET
44 VFD_CE
45 ROTARY_CW
46 ROTARY_CCW
47 CD_DISC12_SW
48 CD_LOS_SW
49 CD_MUTE_R
50 CD_MUTE_L
51 CD_MRST
52 CD_MSTOP
53 NC
54 CD_LOE_LIM_SW
55 CD_LOEJ
56 CD_MOTOR
57 PON_ILLUMI
58 PON_PANEL_CD
59 PON
60 VCC2
61 EXT_AMP_CON
61 NC
62 VSS
63~65 TYPE_1~TYPE_3
66 TUN_TYPE1
67 TUN_TYPE2
68 OEM_DISP_DATA
68 NC
69 OEM_DISP_CLK
69 NC
Module
I/O
(functional)
ROM correction E2PROM I2C clock
EXTRA I/O
output terminal
Power supply I/O Panel 5V control terminal
EXTRA I/O DSI control terminal
P-MECHA O Panel motor control 1
P-MECHA O Panel motor control 2
µCOM
I FLASH EPM input terminal
P-MECHA I Panel full open detection
P-MECHA I Panel mechanism close detection
EXTRA I E2PROM write request
P-MECHA I Panel mechanism detection
toPANEL O VFD_control request
toPANEL I VOL key input
toPANEL I VOL key input
CD I CD disc detection terminal (12cm)
CD I CD loading detection terminal
CD I CD MUTE(Rch) request terminal
CD I CD MUTE(Lch) request terminal
O CD mechanism µ-com RST terminal
CD
O CD mechanism µ-com stop terminal
CD
CD O Not used.
CD I CD detection terminal (Chucking SW)
CD I/O CD motor control terminal
CD O CD motor control terminal
Power supply I/O Key Illumi power supply control
Panel 5V/CD WMA Power supply
Power supply O
control terminal
Power supply O Power supply control
µCOM
-
EXTRA I/O External AMP control
Not used. (Destination with no external
O
AMP control)
µCOM
-
TYPE I Destination switching
TYPE I Destination setting 1
TYPE I Destination setting 2
EXTRA I/O External display data
O Not used. (M-destination only)
EXTRA I/O External display CLK
O Not used. (M-destination only)
Truth
Application
Value Table
w
w
e
e
q
q
y
t
t
KDC-MP5028/MP528
/W6031/W6031Y
Processing Operation Description
POWER ON : Hi-Z, POWER OFF : L,
50Ms before PON_PANEL/CD turns H : L
OFF : Hi-z No PANEL : Pulse driven
ILL_ON, OPEN (When Power_ON) : H
Refer to truth value table.
Refer to truth value table.
Refer to truth value table.
Refer to truth value table.
H : Writing
H : Function check in progress
Pulse width is detected.
Pulse width is detected.
H : Normal, L : Rch mute request
Effective only for CD
H : Normal, L : Lch mute request
Effective only for CD
H : Normal, L : Reset
H : CD mechanism µ-com in operation
L : CD mechanism µ-com stop
Output L-fixed
H : Loading complete, L : No disc
Refer to truth value table.
Refer to truth value table.
ON : H, OFF : Hi-Z
POWER ON : L POWER OFF : H, when
RESET, L before M-STOP. Refer to timing
chart
POWER ON : H, POWER OFF : L
Output L-fixed
Refer to truth value table.
Refer to truth value table.
Refer to truth value table.
External display
Output L-fixed
External display
Output L-fixed
9