Kenwood KDC-MP333V Service Manual page 7

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
83 TYPE 2
84 TYPE 1
85 LINE MUTE
86 PWIC DC DET
87 PON CD
88 N.C.
89 PON FL
90 PS1 3
91 PS1 2
92 PS1 1
93 PS2 2
94 AVSS
95 REF CON
96 VREF
97 AVCC
98 PS2 1
99,100 N.C.
Truth value table
q CD MOTOR CONTROL
CD MOTOR
Stop L
Load H
Eject H
Brake H
w TUNER TYPE
TUN TYPE1
Kenwood brand model
OEM model 1
OEM model 2
OEM model 3
I/O Application
I Destination switch
I Destination switch
I Line mute detection
I DC offset detection
O Power supply control for CD/USB
- Not used
O VFD+B control
O Power supply IC (IC1) control
O Power supply IC (IC1) control
O Power supply IC (IC1) control
O Power supply IC (IC1) control
-
O VREF control
-
-
O Power supply IC (IC1) control
O Not used
CD LOADING/EJECT
L
L
H
Hi-z
TUN TYPE2
(Pin 79) (Pin 78)
L L
L H
H L
H H
KDC-MP333V/MP333VS
Truth
Processing / Operation / Description
Value Table
e
Refer to the truth value table
e
Refer to the truth value table
TEL MUTE: Below 1V, NAVI MUTE: Over 2.5V
DC offset is detected when a DC offset
with over DC 1.0V happens 10 times in each 100ms.
POWER ON: L, POWER OFF: H
Output L fixed
H: VFD+B ON, L: VFD+B OFF
r
Refer to the truth value table
r
Refer to the truth value table
r
Refer to the truth value table
r
Refer to the truth value table
Connects to VCC
r
Refer to the truth value table
Output L fixed
e DESTINATION SW
TYPE 1 TYPE 2 TYPE 3 DESTI-
(Pin 84) (Pin 83) (Pin 82) NATION
H H H
H L H
r POWER SUPPLY IC (IC1) CONTROL
SW1 (Pin 10)
PS1-1 PS1-2 PS1-3
L L L
H L L
L H L
H H H
SW2 (Pin 11)
PS2-1 PS2-2 ILLUMI
L L OFF
H L ON
H H ON
MODEL
M KDC-MP333V/MP333VS
M KDC-MP533V/MP533VS
AUDIO P-CON P-ANT
OFF OFF OFF
ON OFF OFF
ON OFF OFF
ON ON ON
FM AM
OFF OFF
ON OFF
ON ON
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