Block Diagram - Icom IC-M710 Service Manual

SECTION 9

BLOCK DIAGRAM

Q15
DTC114EU
NB
NB SW
CTRL
SSB FI2 FL-30 [GEN]
FL-80 [EUR]
XTAL
BPF
AM FI3,FI4, FL-116×2
XTAL
BPF
CW FI5 FL-232 [GMDSS]
XTAL
IC18a
BPF
NJM4558M
9.0115 MHz
KEY
CTRL
Q34
2SC4116
FIL
SEL
MODE Q19
SIG 3SK131
CW KEY
Q43, Q44 Q31
DTC114EU (×2) 2SC4213
AGC OFF AGC
CARR
DET
CTRL
CTRL
Q41
2SC4213
AGC
AGC
AMP
IF IF
AMP AMP
Q32 Q33
3SK131 3SK131
IC19b
IC19a
NJM4558M
NJM4558M
CW
METER
FSK
AMP
SQL
BFO
IC9
NJM1496V
EXT. AF
IC39a IC38a
TC4W66F
TC4W66F
EXT
EXT
ALARM
MOD
MOD
GATE
GATE
AMS
ALMS
DSC AF BUFFER
Q119 IC38b
2SC4116
TC4W66F
MOD
GATE
NBDP AF BUFFER
MMS
Q118
[GMDSS] 2SC4116
DSC
EXT
MOD
DMS MOD
GATE
IC39b
TC4W66F
IC34
BU4069UBF
CLONE
NMEA
IC35
MC14071BFEL
EXT
SP
IC24
TA7808F
+8
8V
REG
IC23
µPC1555G2
- 5
-5V
DC-DC
Q61
2SD1619
T8
T8
REG
Q62
2SD1619
R8
R8
REG
IC131
TA78L05F
+5
5V 13.6
REG
IC8 Q9
Q13 D17
LA1150N 2SK210
2SC4116 HSM88ASR
NB NB NOISE NOISE
AMP AMP
SW DET
Q11
2SC4116
NB
AGC
GATE
AMP
CTRL
Q14
DTA114EU Q12
FI1b
D52
2SC4116
FL-120
ND433G
IF NB XTAL
BPF LPF
AMP GATE BPF
Q16 D15, D16 9.0115 MHz 10 MHz 69.0115 MHz
2LO
3SK131 MA862 (×2)
ATT ATT
Q17
2SD1619
IF IF IF
AMP AMP AMP
Q18
2SC4116
D46
HSM88ASR
LO
ALC ALC ALC
AMP AMP
AMP AMP DET
Q5
IC17a IC17b Q126
2SC4673
NJM4558M NJM4558M 2SK210
BUFFER
BFO
AGC Q30
DET
2SC4116
D31
IC10 IC20b
HSM88ASR
NJM1496V NJM4558M
AF
AMP
D39
Q45
HSM88ASR 2SC4116
AM
BUFFER
DET
IC20a
D40 IC21a IC22 NJM4558M
BU4001BF
1SS302 NJM4558M
F/V AF
VOICE
LPF
DET CONV AMP
3 MHz
IC12a
Q46
DTC114EU TC4W66F
GATE SQL
CTRL GATE
SQLS
SQLC
BACK
IC5001
UP
S-7116AF
C502
TONE
BUFFER
FYLOH473Z
GATE
CPU
Q5001
RESET
2SC4116
CTRL
X5001
CSAC3.58MGC300CD
IC133
S-80842CLUA
ALARM BOARD except [GEN-21]
IC12b
X2
TC4W66F CR-406
9.8304 MHz
ALARM
GATE
DS2004
Q2011-Q2013
DLC-7978P DTC114EK (x3)
ALMS
DIM
LCD
CTRL IC2001
HD6433834A95F
IC2002
HD66100F
DRIVER
CPU
X2001
CR-513
SIDE TONE
BEEP
IC36
RESET TENKEY SELECT
M5282FP
CTRL SW
IC2007
TA7252AP
AF
AF
BUFFER
VOL AMP
Q2007
DTC114EK
SP
CTRL
IC2008
NJM4558M
AF
AMP
AGC
DET
D2008 1SS184
D2009 1SS184
IC2006
µPC78L08T
+8
8V
REG
IC2005
µPC78L05T
+5
5V
REG
LOGIC UNIT
9 - 1
MAIN UNIT
Q6
2SK2171
FI1a
FL-120
LPF
IF XTAL
LPF 0.5 - 2 MHz
AMP BPF
Q8
30 MHz
89.0115 MHz BPF
3SK131
Q7
2 3 MHz
-
2SK2171
BPF
Q3
3SK131
3 5 MHz
-
Q2
3SK131 BPF
AMP 5 7 MHz
ATT LPF -
39 MHz
BPF
7 - 10 MHz
Q4
3SK131
BPF
LPF
1LO
10 - 14 MHz
100 MHz
IC16b
NJM4558M
BPF
TX-G
14 18 MHz
-
CTRL
BPF
18 24 MHz
-
IC4002
NJM4558M
Q111
BPF
2SA1586
24 30 MHz
APC -
REF CTRL
ALC
MFOR AMP
FOR
AMP
Q23
BUFFER
IC16a 2SC4116
IC4
NJM4558M
TD62783AF
POC1
FILTER IC31
POC2
MC14028BF
SEL
MODE IC6
SEL TD62783AF
IC132 HD6433378B26F
EEPROM EEPROM
IC134 IC135
24LC16BT-I/SN 24LC16BT-I/SN
Q3024
[VOLUME]
2SC4215
1LO
BPF
VR1 BOARD
69.5115-99.0114 MHz
DIAL1 2LO
BPF
[GROUP]
60 MHz
SENSOR1 BOARD
30 MHz
DIAL2
BUFFER
[CHANNEL]
Q3001 2SC4215
SENSOR2 BOARD X3002
[Others]
SW CR-282
[GMDSS] X3001
CR-282
[CLARITY] [Others]
IC3002 IC3008
VR2 BOARD
SC-1287 TC7SU04F
LPF D/A DDS
[SPEAKER]
SP OFF
BFO
ATT
MIC
MIC BOARD
POWER
SW
IC3003
TA7805F
+5V
5V
REG
FRONT
13.6
RL2
30 MHz
FBR22D12P
LPF
HPF
1.6 MHz
Q79
DTC114EU
DET
Q1
MUTE
2SC4673 LPF L0
AMP ATT 0.5 2 MHz
-
LPF L1
2 - 3 MHz
Q4008 Q4001 Q4003 LPF L2
2SC1971 2SC3133 2SC2904
3 - 5 MHz
AMP AMP AMP
L3
LPF
5 7 MHz
-
LPF L4
AMP AMP
7 10 MHz
-
Q4002 Q4004
2SC3133 2SC2904
LPF L5
10 14 MHz
BIAS -
Q4006
2SD1585K LPF L6
IC
T8
APC
BIAS 14 - 20 MHz
IC4001
LPF L7
TA7808S
S4001 S4002
OHD-3 OHD-3 20 - 30 MHz
HEAT FAN
PA150W
CTRL SW
BOARD
FILTER BOARD
BUFFER
IC5
TD62783AF
[GEN-21],
[GEN-22]
13.6
GND
[GEN-23]
[EUR-22]
[EUR-23]
FAN
SB0812H [Others]
VFA-8018-BH10-1000 [GMDSS]
KEY
START
13.6
ANTC [EUR]
GND [GEN]
TO TUNER
Q3021
2SC4215
LO
IC3005
BUFFER
Q3004
AMP LC7153M
Q3003
2SC4215
2SK2171
LOOP
1/M
BUFFER PD
FIL
×2
Q3002
LO
2SC4215
1/N
AMP
Q3007
Q3008
2SC4215
2SC4215
Q3006
10.65 10.75 MHz 2SC4116
-
LOOP
BUFFER
FIL
IC3006
Q3005
TC7SU04F IC3001 SC-1246A
2SK210
AMP DDS PO LPF AMP
Q3011
2SC4215
AMP
D/A BPF AMP
IC3004
FI3001
TC7SU04F
SFECA10.7MA5-A
13.6
PLL UNIT [Others]
PLL-A UNIT [GMDSS]
RL4317
AGP2013
RX
TX
PWR D4309 MBD701
DET D4310 MBD701
TERMINAL BOARD
+
DC
DC/DC
REG BOARD
[EUR]
CHASSIS
RX LINE
TX LINE
COMMON LINE
VOLTAGE LINE
DATA BUS