86
TK-7180H/7182H
SCHEMATIC DIAGRAM
7
6
5
4
3
2
1
A
B
C
D
E
X57-698 1/10
D
D
D
D
5E
R483
OPT3
2
OPT1
1
TXD1
4
RXD1
3
OPT4
6
CLK
5
OPT5
8
USEL
7
A
GND
10
DGND
9
AO
12
AI
11
5E
14
A
GND
13
DTI
16
ST
ON
15
NC
18
TCTL
17
OPT2
20
A
UDIH
19
RXEO
22
TXO
21
TXI
24
RXEI
23
8C
26
OPT6
25
C819
0.1u
RXD1INT
TCTL
R802
330k
PSW
Q807
DTC114EE
C481
1000p
R484
C832
4.7u16
TXAI
C498
100p
R803
10k
C801
1000u25
Q802
DTC114EE
C487
1000p
HOR
5E
R812
10k
C829
1000p
SIDET
ONE
+B
R807
10k
C595
C435
C430
100p
Q808
DTC114EE
5M
C422
R825
1k
C824
0.01u
OPT1
C588
RXEMA
O
TXAI
R823
47k
OPT3
C426
TCTL
2
COM
3
IN
1
OUT
CFSW
TXA
O
8R
R814
47k
C821
4.7u16
OPT3
C406
0.3p
C478
100p
R572
0
R806
10k
R821
1M
1
VSS
2
VDD
4
3
LCDDI
5M
C425
L410
AO2
RXEMA
O
8T
8C
C814
470p
R664
LCDDO
C818
4700p
OPT2
C585
OPT5
Q809
DTC114EE
R820
47k
D422
1SS388
C515
1000p
C587
C586
R801
220k
RXAI
OPT1
C427
R489
0
C424
C809
470p
L411
R809
47k
C490
1000p
RXEMAI
SB
C407
0.01u
CN802
OPT5
PA
GSW
C421
A
UDIH
Q806
DTC114EE
C409
15p(G)
D
ATA
O
U
T
12A02CH
Q804
IC802
XC61CN5002NR
1
2
4
VSS
3
NC
R822
100k
OPT2
R811
10k
5R
RXD1INT
C820
0.1u
AO1
12A02CH
Q803
TXD1
A
UDIH
RXD2
R815
68k
8C
C436
C810
0.047u
C411
0.1u
5M
RXEMAI
RXA
O
OPT4
TXD
R808
47k
SPO
2SJ645
Q810
C439
R478
2
VSS
3
VIN
1
VOUT
R575
0
R813
4.7k
SB
R485
C432
1000p
3
GND
1
IN
2
OUT
SIDET
ONE
C808
0.1u
C410
0.1u
C831
4.7u16
1
A0
2
A1
3
NC
4
GND
5
6
7
8
5E
C504
1000p
TXA
O
CN803
C431
100p
R491
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
C805
1000p
2
1
TXD2
C813
470p
TXD1
AI
R486
5C
DM
C822
470p
D421
1SS388
Q811
DTC114EE
C823
1000p
C428
C408
15p(G)
5C
C437
D
ATA
O
U
T
R445
10k
AO
C502
1000p
R591
0
R487
1.8M
C812
0.1u
5M
R574
0
8C
C420
R409
470
R477
R446
10k
RXD
8C
C816
10u10
C817
470p
OPT4
R408
470
C516
1000p
LCDCLK
C500
100p
1
STRB
2
DATA
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
VSS
9
10
11
12
13
14
15
16
Q812
DTC114TE
R488
D402
*
*
C403
*
R402
*
(D)
CN401
*
D404
*
D403
*
5M
IC402
1
2
3
4
5
6
7
8
9
10
C404
*
*
CP401
R401
*
(D)
3
GND
1
IN
2
OUT
L415
R577
*
R659
*
R661
*
R660
*
R662
*
PSENS
RST2
SHIFT
REGISTER
SB CONTROL SW
8T SW
VOLTAGE
REGULATOR/8V
IGN
8R CONTROL SW
TX-RX UNIT (X57-6980-XX)(B/3)
CPU RESET SW
+B
GND
VOLTAGE
REGULATOR/5V
VOLTAGE
PROTECTION
VOLTAGE
PROTECTION
IGNITION SENS
CONTROL SW
RST
VOLTAGE
REGULATOR
/8.5V
SB CONTROL SW
IC803
5R CONTROL SW
8T CONTROL SW
INT
SB SW
VOLTAGE
REGULATOR/5V
8R SW
SBC
VOLTAGE
PROTECTION
VOLTAGE
DETECTOR(INT)
D421,422
RTC PROCESSOR
RTC BATTERY
CONTROL
INTRA
D402-404
RXEI
OPT2
8C
GND
TXD2
RXO
OPT3
DTI
ST
ON
OPT6
OPT1
RXD1
5E
RXD2
TXD1
OPT5
RXI
A
UDIH
TCTL
TXI
RXEO
OPT4
TXO
PSW
LCDDO
SPO
SB
SPO
GND
PSENS/PTT
GND
GND
MIC
SHIFT/MODEL
GND
DM
RXD
TXD
LCDCLK
NC
8C
5C
GND
SB
SPO
LCDDI
NC
SPO
RST2/LCDCS
SPO
SPO
ME
GND
IC801
S-80942CNNBG9C
VOLTAGE
DETECTOR
(CPU RESET)
oUT
CD
V
OUT
VIN
CN804
E40-3246-05
GND
IGN
D801
VOLTAGE
PROTECTION
C804
470p
C806
100p
C802
1000p
D801
22ZR-10D
C803
0.047u
R805
470
D802
DSA3A1
DC REVERSE
CONNECTION
PROTECT
D802
D804
02DZ18(X,Y)
F801
F53-0278-05
5A
IC805
NJM78L05UA
X401
32.768kHz
32KOUT
SCL
SDA
INTRB
VSS
*
INTRA
CLKC
OSCOUT
OSCIN
VDD
CK
TXC
INT
DT
SOE
SBC
5M
ME
IGN
SPSTB
RTCL/EEPCL
RXC
XIN
XOUT
RTDT/EEPDAT
SHIFT/MODEL
MIC
OPT6
SCSW
RST
INTRA
QS
Q’S
Q8
Q7
Q6
Q5
OE
VDD
IC403
BU4094BCFV
X404
L77-1950-05
Q402
DTC114YE
BEAT SHIFT SW
SDA
SCL
WP
VCC
IC401
AT24256N10SU27
EEPROM
VOLTAGE
REGULATOR/5V
CN429
E40-6412-05
D805
02CZ9.1(X,Y)
2SC2873(Y)
Q801
IC807
XC6201P502PR
IC804
TA7805F
12A02CH
Q805
5R SW
DISPLA
Y UNIT(X54-3480-10)-CN902:TK-7180H
DISPLA
Y UNIT(X54-3540-10)-CN902:TK-7182H
C815
4.7u16
C807
0.047u
C811
0.1u
IC803
TA7808F
CN403
E40-6361-05
1000p
100p
100p
1M
100p
1000p
100p
100p
100p
0
0
0
0
0
0
0
100p
1000p
1000p
100p
100p
100p
100p
1000p
100p
4.99V
T:7.83V
8.83V
T:12.7V
R:13.5V
4.28V
T:7.60V
R:8.09V
T:4.95V
R:0V
5.00V
4.99V
T:7.96V
R:7.97V
T:7.46V
R:7.91V
8.21V
T:7.94V
R:7.25V
R:7.95V
4.99V
T:0V
R:4.98V
T:7.2V
R:7.95V
T:7.96V
R:7.97V
4.99V
4.99V