Kenwood KVT-627DVDY Service Manual page 21

QQ
MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
Pin No. Pin Name
95 LX_DATA_M
96 FLASH_CLK
96 LX_CLK
97 NC
98 TV_JUDGE
99 TV_CLK
100 TUN_SDA
q Audio Selector 1 (TC4052BFT)
AUDIO_SW1_A AUDIO_SW1_B
L
H
L
H
∗ Input is reversed by transistor before entering selector.
TE
L 13942296513
y Destination setting for OEM
Destination TYPE0
Marketing
OEM1
OEM2
EU Installation
u TYPE4, TYPE3, TYPE2, TYPE1, TYPE0
Category
1DIN
2DIN
www
.
∗ Reserve terminal is pulled down.
Module
I/O
(physical)
LX_M O Data to slave unit
FLASH I CLK input at flash writing
LX_M I/O LX BUS clock
O
TV I TV tuner old/new identification
TV O Clock to TV unit
FST I/O F/E I2C data input/output terminal
Output
L IN3 AVIN1
L IN2
H IN1 AVIN2
H IN0
TYPE1
0 0
0 1
1 0
1 1
Model Destination
KVT-717DVD K
KVT-627DVD E
KVT-737DVD M
KVT-767DVD V
KVT-747DVD X
KVT-747DVD R
DDX7017 K
DDX7027 E
DDX7037 M
x ao
DDX7067 V
y
DDX7047 X
i
DDX7047 R
8
Application
w Audio Selector 2 (TC4052BFT)
AUDIO_SW2_A
L
TV H
L
LX H
∗ Input is reversed by transistor before entering selector.
Q Q
3 6 7 1 3
TYPE4 TYPE3
0 0
0 0
0 0
0 0
0 0
0 0
Reserve 1
Reserve 1
Reserve 1
u163
Reserve 1
Reserve 1
.
Reserve 1
KVT-627DVD/627DVDY/717DVD
KVT-737DVD/747DVD/767DVD
2 9 9 4 2 8
Truth Value
Processing Operation Description
Table
H: Old, L: New
AUDIO_SW2_B
L IN3
L IN2
H IN1
H IN0
1 5 0 5 8 2 9 9 4
TYPE2 TYPE1
0 0
0 1
0 1
1 0
1 0
1 1
0 0
0 1
m
0 1
co
1 0
1 0
1 1
9 9
Output
AVIN2
AVIN1
TV
Not used
2 8 9 9
TYPE0
1
0
1
0
1
1
1
0
1
0
1
1
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