75
SCHEMATIC DIAGRAM
TH-D72A/D72E
X57-784 (C/3) 2/8
J
I
H
G
F
13.7V
13.3V
10.6V
10.8V
10.5V
3.3V
3.3V
4.5V
45C
33CS
B_S
A_S
BTV_ON
SAVE1
BT_V
SAVE1
C_S
CHG
PRE_CHG
CHGEND
B
33CB
B
45C
33CA
33CA
C_S
DC_S
J641
C641
1000p
IC641
LM3420-8.4N
1 +IN
2 GND
3 NC
4
CoMP
5
oUT
C654
1u
D648
DA221
D646
RB051L-40
C678
1000p
D644
RB051L-40
D649
CMS05-Q
C661
150p
CPH6122
Q655
C655
470p
C645
1000p
C648
1000p
IC642
NJM2904RB1-ZB
1
AoUT
2
A-IN
3
A+IN
4
GND
5 B+IN
6 B-IN
7 BoUT
8 V+
C650
0.1u
C657
0.1u
C652
1u
R656
68k
2SK3019
Q642
R643
22k
R645
4.7k
C649
0.01u
Q658
UMX2N
Q659
UMX2N
C656
10u
C658
10u
C662
10u
C667
10u
C665
10u
C670
10u
C651
22u
C653
10u
R665
0.1
R666
0.1
R660
10
R661
10
C659
1u
R64
9
1k
R663
470k
SSM6J08FU(F)
Q654
SSM6J08FU(F)
Q657
R667
470k
R677
470k
IC644
XC9221C09AMR
1
CE/CSS
2
VSS
3
FB
4
EXT/
5
VIN
R676
1k
R673
1k
R679
1k
R680
1.5k
R674
1k
C681
1000p
C671
1000p
C693
1000p
C679
1000p
C672
1000p
C675
1000p
C668
1000p
R672
390
R675
220
R681
1k
C664
0.1u
C674
1u
C660
0.1u
C663
0.1u
C669
0.1u
C682
4.7u
6.3
C676
4.7u
6.3
C642
100p
C643 1000p
C644
1000p
C646
1000p
R678
820
R664
100k
R668
220k
R669
39k
R647
270k
R648
82k
R646
82k
R644
270k
IC645
XC6202P452DR
1
VIN
2
NC1
3
VoUT
4N
C
2
5V
S
S
6N
C
3
F641
CN641
CN642
L641
4.7u
L642
4.7u
L643
4.7u
IC643
XC6201P152DR
1
VIN
2
NC1
3
VoUT
4
NC2
5V
S
S
6
NC3
2SC5706
Q643
R662
0
R670
100k
C683
0.1u
Q652
SSM6L05FU-F
C686
1000p
C687
1000p
C689
1000p
C666
1000p
Q651
SSM6L05FU-F
R686
470k
C694
1000p
Q646
RT1P436U-T111
CPH6122
Q656
CPH3417
Q653
R636
18
R637
18
C647
1000p
C677
1000p
C691
1000p
C627
1000p
C628
1000p
C629
1000p
IC646
NJM2872F33
1 VIN
2 GND
3 CoNTRoL
4
NoISEBYPASS
5
VoUT
2SK1830F
Q648
Q662
SSM6L05FU-F
R683
470k
R687
100k
R688
100k
R689
68k
2SK1830F
Q663
CN643
R580
0
F643
R642
100k
R659
0
R652
0
2SA1832(GR)F
Q645
C630
1000p
C631
1000p
R685
330k
2SJ506-E(S)
Q650
C685
1000p
D643
015AZ5.1(Y)F
R684
1M
R640
390k
R641
56k
CN208
CN209
C673
0.1u
R639
0
L644
C633
1000p
IC639
XC6118C10AMR
1
VoUT
2
VSS
3
VIN
4
VSEN
5C
D
C635
470p
C636
470p
F642
D645
HZU3BLL
TPC6110-F
Q649
D647
HZU16-E(B2)
C632
R611
10k
R612
10k
C638
22p
CN636
R638
100k
R651
3.3
C637
22u
C634
10u
R653
1k
D650
CMS05-Q
C698
100p
-
DC-IN
BATT
+
4.0A
GND
4.0A
DC/DC Reset
CHG
K
E
X57-784X-XX (C/3)
2-71
C632
1000P
DC SUPPLY
0-11
Q656
AVR
4.5V AVR
DC CWITCH
SWITCH
Q645
VOLTAGE
SWITCH
DC/DC
CONVERTER
IC644
CURRENT STEERING
D649
CURRENT
REVERSE
PROTECTOR
VOLTAGE
CONSTANT
D647
AVR
Q658
IC641
CHARGE
VOLTAGE SHIFT
AMP
Q646
Q648
1.5V AVR
Q654
OP AMP
VOLTAGE
CONSTANT
D645
AVR
AVR
DC SWITCH
3.3V AVR
D644
REVERSE
CURRENT
PROTECTOR
D643
CONSTANT
VOLTAGE
LDB
DC_DET
LDA
REF_A
REF_A
DET A
DET B
LDB
LDA
+B
∗
D646
REVERSE
CURRENT
NO
TH-D72A
TH-D72E
SWITCH
SWITCH
SWITCH
DETECTOR
SWITCH
SWITCH
SWITCH
SWITCH
DC SWITCH
DC SWITCH
PROTECTOR
0.25A
45C
33CRF
TX-RX UNIT (X57-784X-XX) (C/3) : TX-RX SECTION