Voltage Diagrams; Front Unit - Icom IC-M710 Service Manual

SECTION 10

VOLTAGE DIAGRAMS

10-1 FRONT UNIT

5V
R2401
J2401 J2011
TP96N937-15F-10KB-1540
5V 5V
VOLUME
5V 5V
VOL VOL
VOL VOL
VOLE VOLE
VOLE VOLE
VR1 BOARD
R2501
J2501 J2012
TP96N944-15F-10KB-1632
5V 5V
CLARITY
5V 5V
CUL CUL
CUL CUL
GND GND
GND GND DS2004 DLC-7978P
VR2 BOARD
S2601
SRB18100
GROUP J2601 J2009
DN1 DN1
UP1 UP1
NC NC
NC NC
GND GND
S2003
GND GND
1
SENSOR1 BOARD S2004
2
S2701
S2005
SRB18100
3
CHANNEL J2701 J2010
DN2 DN2
S2006
UP2 UP2
4
NC NC
NC NC
S2007
GND GND
5
GND GND
S2008
SENSOR2 BOARD 6
S2009
7
S2010
8
S2011
Explanatory notes 9
VOLTAGE LINE S2012
0
TX LINE
S2013
RX LINE
CE
S2014
RX
S2015
TX
SP2801
P2801 J2007
SP+ SP+
+ RL2001
AG201344
SP- SP-
-
J2301
7 1
6 8 2
5 3
4
J2302 J2008
AFE AFE
AF2 AF2
AF1 AF1
NC NC
MIC MIC
MICE MICE
PTTE PTTE
PTT PTT
GND GND
GND GND
MIC BOARD
DS2001
HRT-3290
DIM1
DIM2
DIM3
D2001
1SS184
5V
IC2003 S-80842CLUA-B63
5.1V R2022 100k 4.2V
2 1 5.0V
I O
P60 G
Q2005
P57 3
2SC1623
R2018 C2008
P52
1k 0.22
P51
P10
S2016
D2005
FUNC 1SS184
P11 P53
0.1µs
S2017
CH/FREQ R2012
P12 P30
1M
40mVp-p
S2018
MODE X2001
P13 P50
CR-513
S2019
ALARM
R2084 R2083
P14 P32
18k 18k
S2020
2182
R2081
P67 P33
18k
S2021
TX FREQ
R2079
P66 P34
18k
S2022
TUNE
R2077
P65 P37
18k
S2023
AGC
P64 P55
S2024
SQL
P63 P54
S2025
DIMMER
P36 P62
S2026
SPEAKER
P31 P61
S2027
NB
S2003-S2027
P35 P56
SW-158
R2054 47
D2007
IC2007
1SS184
TA7252AP
Q2007
DTC114EK
R2048
1k
SP ON : 0V
SP OFF: 13.6V
SP ON : 4.6V
SP OFF: 0V
C2022 R2057
470 1k
L2003
BL01RN1-A62-001
L2006
100µH
C2018
MEASUREMENT CONDITIONS
0.0047
OSCILLOSCOPE: 20 MHz
VOLTMETER : 50kΩ/V
LOGIC UNIT
DS2002 DS2003
HRT-3290 HRT-3290
DIMMER ON : 11V
DIMMER OFF: 0V
DIMMER ON : 10V
DIMMER OFF: 0V
Q2002
2SC1623
R2086
Q2011
22k
DTC114EK
R2087
Q2012
15k
DTC114EK
DIMMER ON : 13V
Q2013
W2014
DIMMER OFF: 13.5V
DTC114EK
5V
L2009
100µH
1
PC0/AN8 P10/TMOW
2
PC1/AN9 VCC
3
PC2/AN10 P97/SEG40/CL1
4
PC3/AN11 P96/SEG39/CL2
5
AVSS P95/SEG38/DO
6
TEST P94/SEG37/M
7
X2 P93/SEG36
8
X1 P92/SEG35
9
VSS P91/SEG34
10
OSC1 P90/SEG33
11
OSC2 P87/SEG32
12
P86/SEG31
RES
13
MDO P85/SEG30
14
P20/IRQ4/ADTRG P84/SEG29
15
P21/UD IC2001 P83/SEG28
16
HD6433834A95F
P22 P82/SEG27
17
P23 P81/SEG26
18
P24 P80/SEG25
19
P25 P77/SEG24
20
P26 P76/SEG23
21
P27 P75/SEG22
22
P30/SCK1 P74/SEG21
23
P31/SI1 P73/SEG20
24
P32/SO1 P72/SEG19
25
P33/SCK2 P71/SEG18
26
P34/SI2 P70/SEG17
27
P35/SO2 P67/SEG16
28
P36/STRB P66/SEG15
29
P37/CS P65/SEG14
30
VSS P64/SEG13
R2047
5.6k
L2010
LW-15
R2068
82k
4V
R2024
0
3.8V
8V
C2031
2.2
R2067
22k
Q2009
2SC1623
5V
1
Y30
2
Y29
3
Y28
4
Y27
5
Y26
6
Y25
7
Q2003
Y24
2SB1015 8
Y23
9
Y22
10
Y21
11
Y20
12
Y19
13
Y18
14
Y17
15
Y16
IC2002
16
HD66100F
Y15
17
Y14
5V 18
Y13
19
Y12
20
Y11
21
Y10
22
Y9
23
Y8
24
Y7
25
Y6
26
Y5
80 27
Y4
79 28
Y3
78 29
Y2
77 30
Y1
76
75
74
73
72
71
70
69 5V
68 DIM3 IC2005
µPC78L05T
67 DIM2
5V 13V
66 DIM1 2 1
5V
O I
65 G
64 3
63
62
61
IC2009
DS2005
60 TA78L05F
HRS-7219A
59 2 1
O I
G
58
57 3
56
[GDMSS]]
55
54
53
52
51
4.7V
5V
IC2006
µPC78L08T
8V 13.6V
2 1
O I
G
3
5V
R2071
7.6V
1.5k
IC2008a
R2073 C2036
IC2008
2 4 470 47
NJM4558M
- 1
3
+
8
R2063
220
C2034
4.7
Q2008
DTC114EK
PTT ON : 0V
PTT OFF: 7V
D2006
W2012
1SS184
5
+ 7
6
-
IC2008b
PTT ON : 0.6V
PTT OFF: 0V
10 - 1
80
Y51
79
Y52
78
Y53
77
Y54
76
Y55
75
Y56
74
Y57
73
Y58
72
Y59
71
Y60
70
Y61
69
Y62
68
Y63
67
Y64
66
Y65
65
Y66
64
Y67
63
Y68
62
Y69
61
Y70
60
Y71
59
Y72
58
Y73
57
Y74
56
Y75
55
Y76
54
Y77
53
Y78
52
[GDMSS]]
Y79
51 P2004
Y80
GND W2021
GND to MAIN
13.6 W2020
unit J32
13.6
C2007
J2014 P2802
0.01
HV/13S
HVO/13.6
S2801
POWER
L2008
100µH
from TERMINAL
board P7001
J2013
[Others]
HVO/GND
/from TERMINAL
HV/13S board J7001
[GEN-23]
/from REG
[GDMSS]]
board P8002
J2016
[EUR-22]
13S
from PLL-A
W2018
GND
unit J3008
J2002 P2002
R2016 1k LTXD
LTXD
R2015 1k LRXD
LRXD
SPE
SPE
to MAIN
SP
unit J16
SP
GND
GND
13.6
13.6
13.6
13.6
J2003 P2003
AFG2
AFG2
AFGE
AFGE to MAIN
MODE
MODE unit J23
MOD
MOD
PTT ON : 4.6V
PTT OFF: 0V
Q2006
2SC1623