MTI100
9 10
(CONTROL, SENSOR/HP, TERMINAL, USB) 752183 SCH 1 of 3
2a 2b 2c 2d
1M
R13
22 pF
C15
22 pF
C14
.1µF
C12
RX D M
T X D M
FR- I R
V OL SCL
V OL SD A
SE L A
SE L B
SE L C
A U D IO D ET
PS O N
MIN /STD BY
AMP CT RL
.1µF
C13
A C D E T
IN PU T
V O L U ME
PHO N O
A U X
COAX
O PT
BLU ET OO T H
10 0k
R10
10 0k
R11
10 0k
R12
.1µF
C10
.1µF
C9
V O L A
V O L B
ST D BY
10k
R14
10k
R15
V OL A
V OL B
10k
R19
10k
R22
10k
R16
10k
R17
I N A
I N B
I N A
I N B
STD BY
10k
R20
RE SE T
L3
.1µF
C20
4.7µF
C21
+3 ,3 V BU M
M T R O N/O FF PR B T
SE L A
SE L B
SE L C
FR-IR
PS ON
AU DIO D E T
AMP CT RL
VO L SCL
VO L SD A
PS ON
PAIRIN G
CONTROL
2
.1µF
C23
150
R30
10 µF
C22
D GN D
22.1
R29
SCK
MO SI
MISO
J6:1
J6:2
J6:3
J6:4
J6:5
J6:6
MISO
SCK
MOSI
A t m el - I C E D e bu g g er
T O M A I N
10k
R35
Y7
7
GN D
8
OE 2B
5
B
2
C
3
Y6
9
Y5
10
Y3
12
Y0
15
Y1
14
OE
6
A
1
OE 2A
4
Y4
11
VC C
16
Y2
13
U4
3
1
2
Q6
3
1
2
Q4
3
1
2
Q5
3
1
2
Q7
J10:3
J10:1
J11:2J10:2
J11:3
J11:1
33.2k
R37
33.2k
R39
4
2c
2.61 k
R38
2.61 k
R40
100µF
C31
100µF
C32
D GN D
10k
R36
D C D E T
1
0 D C D ET ECTED
NORMAL
TERM I NAL
2c
R
L
A M P L I M O D U L E
A M P L I M O D U L E
FR-IR
2
3
1
4
5
7
8
9
6
J15
H GN D
1000pF
C36
1000pF
C37
HEADPHONE
2b
3
1
2
Q9
2.21k
R44
MT R O N /O FF
MT R O N /O FF PR BT
3
1
2
Q10
2.21k
R45
MTR O N / O FF PR BT
PA IRIN G
CR L
D11
PW R RLY
V s
2
O UT
1
G ND
3
IR1
DS1
DS2
DS3
DS4
DS5
DS6
A
B
C
S S
GND GND
1
2
3
6
7
4
5
S1
A
B
C
S S
GND GND
1
2
3
6
7
4
5
S2
100k
R47
100k
R48
100k
R49
100k
R50
100k
R51
100k
R46
DS9 DS8
DS12
DS18
DS13
DS14
DS1 5
DS16
DS17
IN PU T V O L U ME MIN MA X PH ON O A U X CO A X O PT
BL U ET O O T H +BL IN K
+5 V CC
+5 V CC
21
16MHz
Y1
J16:1
J16:2
J16:3
J16:4
J16:5
USB Se r i a l
RX DM
T X DM
6-3 2
GP6
6-3 2
GP5
H GN D
DS10
100k
R63
MAX
OPEN
R69
OPEN
R65
OPEN
R66
OPEN
R67
OPEN
R68
4.75k
R64
+3 ,3V BU
FR-IN
D GN D
+5 V CC
H EA D CT R
L H EA D
R H E A D
G N D H
2a
2a
2a2c
2c
4
4
4
2d
2d
2d
2d
2d
3
8
8
8
8
3
3
3
.0 1µF
C19
.0 1µF
C18
PD 3 (IN T 1)
1
PD 4 (X CK / T 0)
2
PE 0(SD A 1 )
3
VCC
4
G N D
5
PE 1(SCL 1)
6
PB6 (PCIN T 6/ X T A L1)
7
PB7 (PCIN T 7/ X T A L2)
8
PD 5 (PCI N T21T 1)
9
PD 6 (PCI N T22/A IN 0)
10
PD 7 (PCI N T23/A IN 1)
11
PB 0 (PC IN T0/C L K O )
12
PB 1 (PC IN T1/0C 1 A )
13
PB 2 (PC IN T2/O C1B )
14
PB 3 (PC IN T3/M O SI )
15
PB 4 (PC IN T4/M I SO)
16
PB5 (PCIN T 5/ SCK )
17
A V CC
18
A D C6
19
A RE F
20
G N D
21
A D C7
22
PC0 (PCIN T 8/A D C0 )
23
PC1 (PCIN T 0/A D C1 )
24
P C2 (PC I N T 10 /A D C2 )
25
P C3 (PC I N T 11 /A D C3 )
26
PC 4 ( A D C 5/ SD A )
27
PC 5 (A D C5 /SCL )
28
PC 6 ( PC I N T 14/R E SET )
29
PD 0 (PCI N T16/RX D )
30
PD 1(PC IN T17/T X D )
31
PD 2 (PC I N T 18/I N T0 )
32
U3
J5:1
J5:2
J5:3
J5:4
J5:5
J5:6
J5:7
J5:8
J5:9
J5:10
J5:11
J5:12
J5:13
J5:14
J5:15
J5:16
J5:17
J5:18
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
+5 V CC
J9:1
J9:2
J18:1
J18:2
3
1
2
Q12
BL IN K
BL IN K
+3 ,3 V BU
+3 ,3 V BU M
+3 ,3 V BU M
+3 ,3 V BU M
+3 ,3 V BU M
+3 ,3 V BU M
+3 ,3 V BU M
+3 ,3 V BU M
+3 ,3 V BU M
+3 ,3 V BU M
+3 ,3 V BU M
+5 V CC
J14:1
J14:2
J14:3
J14:4
J14:5
J14:6
J14:7
.0 1µF
C16
.0 1µF
C17
+5 V CC
2.21 k
R55
2.21 k
R57
2.21 k
R53
2.21 k
R54
2.21 k
R59
2.21 k
R60
2.21 k
R61
2.21 k
R62
2.21 k
R58
V O L U ME
2.21 k
R71
DS11
1k
R23
1k
R24
1k
R25
1k
R26
1k
R27
D C D E T
1k
R28
1k
R56
D C D E T
3
1
2
Q14
2.21k
R34
Ri ng-R
T i p-L
3
1
2
Q11
10k
R18
10k
R21
OPEN
OPEN
NOTE: FOR S/N PREFIX AGX AND AHE
THE RIGHT CHANNEL SIGNAL
WILL BE ON THE MINUS OUTPUT
AND WILL BE INVERTED TO PROVIDE
PROPER PHASE OUTPUT.
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