Icom IC-F410, Service Manual

Page: 36 / 41

11 - 1
SECTION 11 VOLTAGE DIAGRAM
¡ ¡ FRONT UNIT
LIGHT ON :7.5V
LIGHT OFF:5.5V
5.0V
5.0V
5.0V
7.6V
4.9V
3.9V
1.7V
5.0V
MEASUREMENT CONDITIONS
DIGITAL MULTIMETER:50k
Ω
/VDC
OSCILLOSCOPE :20MHz
3.2V
2.3V
1.4V
6.8MHz
4.2V
2.3V
0.4V
DTCS
0.7V
CTCSS
2.35V
4.0V
0mV
-70mV
70mV 27.5mV
BEEP IS SET
-27.5mV
0mV
3.3V
0.5V
1.9V
TX:5.0V
RX:0.2V
5.0V
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18
POSW CLOUT CLIN ECS
19 20 21 22 23 24 25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
69 70 71 72 73 74 75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
VCC
PDO/SEG41
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
PD1/SEG42
PD2/SEG43
PD3/SEG44
PD4/SEG45
PD5/SEG46
PD6/SEG47
PD7/SEG48
PE0/SEG49/M
PE1/SEG50/D0
PE2/SEG51/CL2
PE3/SEG52/CL1
AVCC
TONEM
TONED
VTREF
AVREF
PB7/AN7
PB6/AN6
PB5/AN5
PB4/AN4
PB3/AN3
PB2/AN2
PB1/AN1
PB0/AN0 AVSS TEST X2 X1 VSS OSC1 OSC2 RES NMI P20/IRQ4/AOTRG P21/SCK1 P22/SI1 P23/SO1 P24/SCK3 P25/RXD P26/TXD P27/IRQ0 P17/IRQ3/TMIF P16/IRQ2 P15/IRQ1 P14 P13/TMIG P12/TMOFH P11/TMOFL
P10/TMOW
VSS
V3
V2
V1
VCC
PA3/COM4
PA2/COM3
PA1/COM2
PA0/COM1
P50/WKP0/SEG1
P51/WKP1/SEG2
P52/WKP2/SEG3
P53/WKP3/SEG4
P54/WKP4/SEG5
P55/WKP5/SEG6
P56/WKP6/SEG7
P57/WKP7/SEG8
P60/SEG9
P61/SEG10
P62/SEG11
P63/SEG12
P64/SEG13
P65/SEG14
P66/SEG15
P67/SEG16 P70/SEG17 P71/SEG18 P72/SEG19 P73/SEG20 P74/SEG21 P75/SEG22 P76/SEG23 P77/SEG24 P80/SEG25 P81/SEG26 P82/SEG27 P83/SEG28 P84/SEG29 P85/SEG30 P86/SEG31 P87/SEG32 P90/SEG33 P91/SEG34 P92/SEG35 P93/SEG36 P94/SEG37 P95/SEG38 P96/SEG39 P97/SEG40
IC1
HD6433875B20H
SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13
TX RX
SEL CH1 CH2 CH3 CH4
SEG12 SEG11 SEG10
SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1
HANG
CTDA2 CTDA1 CTDA0
BM
R47
EXB-V8V
(1kX4)
R53 1k
R52 1k
R51 1k
C11 0.001
C10 0.01
C9 10
C8 0.01
C7 0.01
C6 0.01
C5 0.01
C4 0.01
C3 0.01
C2 0.01
C1 0.01
VSS VDD OUT
NC NC
3 2 1
4 5
IC2
S-80742SL-A6
R2 100k
R1 10k
C14
0.47
D1 MA111
R3 220k
R4
100k
Q1
2SC4081
C15 0.001
C16 0.001
R5 12k
R6 12k
D5 MA77
C17 0.001
C18
47p
C19 5p
X1
CR-590 L3
47
µ
C20 20p
R7
1M
R8
10
R43
12k
R44
EXB-V8V
(1kx4)
R45
EXB-V8V
(1kx4)
W1
CS
SO
WP
VSS VCC
HOLD
SCK
SI
IC3
CPU5V
ECS
25LC160T-I/SN
C21 0.01
1
2
3
4
5
6
7
8
R61 100k
SCK SI SO CLIN CLOUT POSW
R64 1k R63 1k R62 1k
R55
100k
KR0
KR1
KR2
KR3
KS0
KS1
DIM
R54 1k
R67 100k
R66 100k
R65 100k
R85 1k
LCD type
LED type
LED type (F410S/420S)
LCD type (F410/420)
NOTE;
(LCD type only)
(LED type only)
(LCD type only)
(LCD type only)
(LCD type only)
(LED type only) Connect to IC1(pin 69 pin 75)
(LCD type only)
DTC144EU
Q19
R48
EXB-V8V
(1kx4)
R46
EXB-V8V
(1kx4)
MTONE
DTMF
OPV3
OPV2
OPV1
CTCIN
SD
LVIN
TEMP
VIN
8V
KR0
KR1
KR2
KR3
R17
EXB-V8V
(1kx4)
KS0
KS1
R19
470
R18
470
R59 1k
C28 0.001
S6
C22 47p C23 47p C24 47p C25 47p C26 47p C27 47p
DIM
D6
MA8051
LED type only
LCD type only
Q3
DTA143ZU
R11 820
1 1
R16 2.2k R15 2.2k
R14 390 R12 390
DS10
DS11
DS2
DS3
DS4
DS6
DS7
DS5
DS8
DS9
8V
CLONE
AFO
PTT
MICE
MIC
GND
HANGER
R57 15k
CLOUT
CLIN
R69 100k
Q4
DTC144TU
D2
DA204U
D3
DA204U
D4
DA204U
R58
47k
2
CLON
AFO
PTTIN
MIC
HANG
R20 1k
L1 1
µ
R21
1k
R22
10
C35 0.001
C34 47p
C32 0.001 C33 0.001 C29 0.001
C30 470p
CTCIN
to
MIC
C36 0.01
R25 56k R28 1k
1
2
3 4
Q5
XP4601
5
6
R27
39k
C37
10
R24 180k R26 3.9k
R29 1k
C38 0.022
R30
10k
C39 0.1
R31
10k
DET
CTDA0
CTDA1
CTDA2
R35
10k
R34
27k
R33
68k
R32 22k
R36
12k
C42 0.1
R37
12k
C40 0.047 C41 0.033
C43 0.01
R38 47k
Q6
2SC4081
C44 0.01
R56
5.6k
R39
100k
R71
1k
R40
100k
R42 330k
R41 270k
DTCSIN
C45 0.01
TONE
Q7
2SC4081
C82
0.1 R50
100k
R68 47k
R60
RV-150
(10KB)
Q10
DTC144TU
J2
C62 47p C61 47p C60 47p C59 47p C58 47p C57 47p C56 47p C52 47p
R70 47k
C50 47p C49 47p C48 47p C47 47p C46 47p
C69 0.001 C67 0.001
W2
C13 0.001
C12 0.01 C63 47p C64 47p C65 47p C66 47p C70 47p C71 47p C73 47p C74 47p C77 47p C78 47p C79 47p C80 47p
OPINT
OPCS
BUSY
BEEPOUT
TONE
BEEP
DICSIN
RFATT
NOIS
UNLK
EXEN
EXST
DAST
PLST
VIN
TEMP
MIC
CPU5V
8V
AFO
SI
OPT3
OPT2
OPT1
OPV3
OPV2
OPV1
PTT
PTTIN
DET
PWON
EXPTT
DIMIN
SO
SCK
SD
LVIN
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
31
32
33
34
35
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
DS1
LD-HU10140J
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
COM0
COM1
COM2
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
COM1
COM2
COM3
FRONT UNIT
J1
POSW
VOLUME
CHANNEL
DIM
8V
DS2 - DS11 SML-311YTx10
DS8- DS11
SML-311YTx4
DS12- DS17
2EC2422Cx6 Q11- Q17
2SC4081x6
BM
5V
to
MAIN UNIT
J1
connect
with W3
EXEN
EXST
DAST
PLST
DIMIN
EXPTT
PWON
UNLK
COM1
COM2
COM3
RFATT
PTT
OPT1
OPT2
OPT3
OPCS
BUSY
OPINT
NOIS
R49 100
CSHIFT
5V
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
BEEPOUT
BEEP
5V
DTMF
MTONE
AFO MIC
HANG
PTTIN
HANG
PWR
S1
P0
S2 S3 S4 S5
S9
P3
S8
P2
S7
P1
R78
56k
R79
39k
R80
100k
100k
100k
100k
100k
TX
RX
SEL
DS12
DS13
C84 0.001
0.001
0.001
0.001
0.001
0.001
C85
R71
1k
R72
470
R73
1.8k
1.8k
1.8k
1.8k
1.8k
Q11
Q12
Q13
DS14
DS15
DS16
DS17
C86
C87
C88
C89
C90 0.001
R74
R75
R76
R77
Q14
Q15
Q16
Q17
R81
R82
R83
R84
CH1
CH2
CH3
CH4
R16
DS8
DS9
DS10
DS11
C92
47p
R15 2.2k 2.2k
C83 0.001
Q18
DTC144EU
Q3
2SC4081
R86 1k
820
R87
DIM