Kenwood DPX701 Service Manual page 8

DPX701/701U/701UY
DPX-MP7090U
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
43 SCL/INST_SCL
44 PON_PANEL
45~51 NC
52 EPM
53 NC
54 NC (CUR DET)
55 SW_FDC
56 NC (SW_USB)
57,58 NC
59 ROMCOR_DET
60 NC
61 SC_CON
62 NC
63 TUN_TYPE1
64 TUN_TYPE2
65,66 NC
67 CD_DISC12_SW CD
68 CD_LOS_SW
69 CD_MUTE_R
70 CD_MUTE_L
71 CD_MRST
72 CD_MSTOP
73 NC
74 CD_LOE_LIM_SW CD
75 CD_LOEJ
76 CD_MOTOR
77 PON_ILLUMI
78 PON_CD
79 PON
80 PON_FL+B
81 PON_FDC_USB
82 F_SEL1
83 F_SEL2
84 DIAG
8
Module I/O
EXTRA I/O E2PROM I2C clock output terminal
Power supply I/O Panel 5V control terminal
O Not used
µCOM
I FLASH EPM input terminal
O Not used
O Not used
FL tube filament power supply control
Power supply I/O
terminal
O Not used
O Not used
EXTRA I E2PROM writing-in request
O Not used
Inter-panel communication control
to PANEL O
(CE when FLASH)
O Not used
TYPE I Destination setting 1
TYPE I Destination setting 2
O Not used
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
CD mechanism µ-com RST terminal
CD O
CD mechanism µ-com stop terminal
CD O
O Not used
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
Power supply control terminal for
Power supply I/O
CD WMA
Power supply O Power supply control
Power supply control terminal for FL
Power supply O
tube bias
FL tube filament power supply
Power supply I/O USB VBUS main power supply
control terminal
EXTRA O SW-Reg frequency switching
EXTRA O SW-Reg frequency switching
Power supply I/O PCON over-current monitoring
Truth
Application
value table
t
t
q
q
u
u
Processing Operation Description
H: ON, Hi-Z: Momentary power down,
11 min. after ACC_OFF
Output L fixed
Output L fixed
Output L fixed
ON: H
OFF, Display black out: Hi-Z
Output L fixed
Output L fixed
H: Writing-in
Output L fixed
POWER OFF, ACC OFF: L
Output L fixed
Refer to the truth value table
Refer to the truth value table
Output L fixed
L: Rch mute request
L: Lch mute request
H: Normal, L: RESET
H: Mechanism µ-com in operation
L: Mechanism µ-com stop
Output L fixed
H: Loading completed, L: No disc
Refer to the truth value table
Refer to the truth value table
H: ON, Hi-Z: OFF
L: When CD source
Hi-Z: When other than CD source
POWER ON: H, POWER OFF: L
POWER ON: H
POWER OFF, Display black out: L
POWER ON: L
POWER OFF, Display black out: Hi-Z
Refer to the truth value table
Refer to the truth value table