Icom BC-119N Service Manual page 17

9-2 BC-121N
F1
J1
FGB 2A
2 3 3
F2
1 2 2
S-N5051 S-N5051
1 1
C32 C33
C10
0.01 0.001
470
46.4 µs
C43
C44 C45
0.01
0.01 0.01
Q8
R35
4.7k
2SC4081
R32
R34
22k
22k
C35 R33
22 1k
Q9
2SC4081
Q1
R28
33k
2SB1132
6 5 4
C34 R29
0.01 8.2k
Q12
1
2 3
XP6501
R3 R53
4.7k 470k
R1 R2
1k 1k
Q7
GND
2SA1576
RXD
C30
TXD 0.01
RESET
VDD
VPP
DS1
VRPG3349S-734
J1
3 3
2 2
1 1
J1
3 3
2 2
1 1
J1
3 3
2 2
1 1
J1
3 3
2 2
1 1
J1
3 3
2 2
1
1
Q3 2SC4081
F3
R7
560
D5
1SS355
46.4 µs
15.6V
C11
0.01 8.6V
D4
R10
1SS355
560
7.9V
Q4
R8
2SA1576
560
0.4V
R38 C38
22k 0.1
R43
120k
R39 560k
1
2
3
4
5
6
7
8
R36 C36 C37 R37
22k 22 0.001 56k
IC1
R48
NJM2870
220
1 5
CTRL VIN
2
R52
GND
15k
3 4
NB VOUT
R26
C5
0.01 1.5k
C7
0.01
R51 C4 C31 R25
12k 10 0.1 100
Q6
D2
D3
2SA1576
R50
DAN202K
DAN202K
47k
R30
1M
R31
1M
R4 100
R5 100
C1 C3
0.01 0.01
Q11
DTC144EU
D7
SB20-03P
L2
HK-08S050-2010
R9
10
Q5
UPA1890
1 8
D1 D2
R49
2 7
1k
S1 S2
Q10
3 6
S1 S2
DTC144EU
4 5
G1 G2
C25
0.01
D6
SB20-03P
C39 R40
0.01 56k
R42
10k
R41 560k
16
NO-INVIN NO-INVIN
15
INVIN INVIN
14
FB REFOUT
13
IC5
DTC OC
µPC494GS
12
CT VCC
11
RT C2
10
GND E2
9
C1 E1
11.8V
5.15V
CP4
R12
3.8V
10k
C9
C8
0.01 22
C21 C22 R27
0.01 0.01 39k
IC2
µPD789112AMC
30
1
P23 RXD
2 29
P24 TXD
28
3
P25 P20
27
4
AVDD P11
5 26
ANI0 P10
25
6
ANI1 VDD
24
7
ANI2 VSS
23
8
ANI3 X1
22
9
AVSS X2
10 21
IC0 IC0
20
11
P50 IC0
19
12
P51 RESET
18
13
P52 P03
17
14
P53 P02
15 16
P00 P01
C6
3.3V
0.1
4.915 MHz
RESET
VPP
MAIN-B UNIT
MAIN-C UNIT
MAIN-D UNIT
MAIN-E UNIT
MAIN-F UNIT
9 - 2
ADAPTOR
C26
470
R46
1k
AD-101
R21
R44 1k
120k
BC-119
SW
BIT1
R22
BIT2
1k
BIT3
BIT4
BC-79
C40 C41 R45
0.01 0.1 33k
12V
R16 10k
D8
1SS355
8 7 6 5
IC4
NJM12904V
R11
120k
1 2 3 4
R14 R15
C23
C27 C28
33k 1k
0.1
0.01 0.01
MAIN-A UNIT
L1
Measurement condition
0.1µH
• Input voltage: DC16 V
• While rapid charging BP-120 with AD-94 adapter.
SW
BC-119
BC-79
BIT4
CP2
R6
4.7k
CP3
BIT3
BIT2
BIT1
AD-101
1 4
OUT VSS
2 3
VDD NC
IC3
S-80847ALNP-EEB
X1
CSTCR4M91G CP1 C12 C13
0.01 0.1
AD-101
1 1
M1VO
2 2
BC-119
3 3
CHARGE
1 1
TEMP
TEMP.
2 2
DET.
CURR
3 3
SW
4 4
BIT1
5 5
BIT2
6 6
BIT3
7 7
BIT4
8 8
BC-79
9 9
GND
10 10
W1
OPC-1103
1
M1VO 2
3
CHARGE 4
TEMP 5
CURR 6
7
8
9
10
11
12
13
R24
0.12
R20 R23
R17
1M 120k 10k
R18
1k
C29
R19 R47
0.01
39k 4.7k
C42 C14 C15 C16 C17 C18 C19 C20
0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01
W1
1
13
W1
1
13
W1
1
13
W1
1
13
W1
1
13