Kenwood DDX7015 Service Manual page 18

DDX7015/7025/7035
DDX7045/7065
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
141,142 NC
143 ADCVDD
144 ADCGND
q IC2_AFS_L, IC2_AFS_M
Typ value FM input mute Qualty constant
High 2.4~5V Unmuted
Mid 1~2.4V Unmuted
Low 1V or lower
Stereo PLL when set to Mid can be set to either Not-hold/Hold by the
data.
During hold, condition of ST/MONO will be maintained to the state
when hold is started.
High Normal reception
Mid Although sound is output, Qualty (RDS-Noise) is being
checked with short time constant.
Low With mute on (no sound), the condition of RDS AF
stations are being checked.
w TUN_TYPE0, TUN_TYPE1
TYPE0
AFTER L
OEM1 L
OEM2 H
OEM3 H
e TYPE3, TYPE2, TYPE1, TYPE0
Model Destination TYPE3
KVT-715DVD K
KVT-725DVD E
KVT-735DVD M
KVT-765DVD C
KVT-745DVD X
KVT-815DVD K2
KVT-745DVD R
DDX7015 K
DDX7025 E
DDX7035 M
DDX7065 C
DDX7045 X
DDX7045 R
18
Module I/O
I
µCOM
-
µCOM
-
Stereo PLL
Long Not-hold
Short Not-hold/Hold
Muted Short Hold
TYPE1
L
H
L
H
TYPE2 TYPE1
0 0 0
0 0 1
0 0 1
0 1 0
0 1 0
0 1 1
0 1 1
1 0 0
1 0 1
1 0 1
1 1 0
1 1 0
1 1 1
Application
r Audio selector (TC4052BFT)
AUDIO_SW1_A
L
H
L
H
AUDIO_SW2_A
L
H
L
H
Note : Each output is reversed by a transistor
t Video selector
BA7652AF
VISUAL_SW1_1
L
H
L
H
* : MUTE_ON when full OSD is switched, OFF when normal visual
source is switched from OSD.
TYPE0
1
BA7612F
0
VISUAL_SW2_1
1
L
0
L
1
H
0
H
1
1
0
1
0
1
1
Processing Operation Active Truth
Description (H/L)
Pull down
AUDIO_SW1_B Output
L IN3
L IN2
H IN1
H IN0
AUDIO_SW2_B Output
L IN3
L IN2
H IN1
H IN0
VISUAL_SW1_2 Output
L IN1
L IN2
H IN3
H MUTE*
VISUAL_SW2_2 Output
L IN1
H IN2
L IN3
H MUTE
Value
Not used
AVIN
TV
LX
Not used
AVIN
TV
Not used.
TV
AVIN
NAVI
DVD
TV
AVIN