Kenwood DDX8017 Service Manual page 26

DDX8017/8027/8027Y
DDX8037/8047/8067
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
126 VISUAL_SW1_1
127 VISUAL_SW5_2
128 VDD1
129 RDS_DATA
130 RDS_QUAL
131 GND1
132 P_ON_AM
133 RDS_AFS
134 TYPE3
135 RDS_NOISE
136 TUN_SMETER
137 TUN_IFC_OUT
138 TYPE0
139 TYPE1
140 TYPE2
141 OEM_TYPE0
142 OEM_TYPE1
143 ADCVDD
144 ADCGND
q Audio Selector 1 (TC4052BFT)
AUDIO_SW1_A AUDIO_SW1_B
L
H
L
H
∗ Input is reversed by transistor before entering selector.
y Destination setting for OEM
Destination TYPE0
Marketing
OEM1
OEM2
EU Installation
26
Module
I/O
(physical)
AVIN2/SW5 (or TV)/
Visual O
SW3 (or NAVI1) video switching
Visual O TV/AVIN1 video switching
µCOM
RDS I RDS decoder DATA input
RDS I RDS decoder QUAL input
µCOM
FST O AM power supply ON/OFF control
FST I/O Constant switching at noise detection
TYPE I Destination setting
FST I FM noise detection
FST I S-meter input
FST I F/E IFC OUT input terminal
OEM I Destination setting
OEM I Destination setting
Type I Destination setting
Type I OEM destination setting
Type I OEM destination setting
µCOM
µCOM
Output
L IN3 AVIN1
L IN2 TV
H IN1 AVIN2
H IN0 LX
TYPE1
0 0
0 1
1 0
1 1
Truth Value
Application
Table
i
!3
u
u
u
u
y
y
w Audio Selector 2 (TC4052BFT)
AUDIO_SW2_A
L
H
L
H
∗ Input is reversed by transistor before entering selector.
Processing Operation Description
Refer to truth value table
Refer to truth value table
SW5 (or TV)/AVIN1/DVD video switching
H: ON (AM selected), L: Normal
Refer to truth value table
H: With station, L: Without station
Refer to truth value table
Refer to truth value table
Refer to truth value table
Refer to truth value table
Refer to truth value table
AUDIO_SW2_B Output
L IN3
L IN2
H IN1
H IN0
AVIN2
AVIN1
TV
Not used