Icom IC-M412 Service Manual page 32

HV
Q57
T5V
KTA2015
T5V
R382
10K
C82
0.001
LO
D7
MA2S077G0
Q58
KRC404
R388
470
SEND
Q59
KRC404
VCC
R224 R223
10K 15K
5
1
4
IC11 3
NJM2125F
CP5 2
R205
1.5K
X2
JTB450C24
IC2
TA31136FNG
1 16
OSCIN MIXIN
2 15
OSCOUT GND
3 14
MIXOUT N-REC
4 13
VCC N-DET
5 12
IFIN RSSI
6 11
DEC IFOUT
7 10
FILOUT QUAD
8
9
FILIN AFOUT
R211
470K
FI3
R219
LTM450EW
470
I O
RX:1.3V
at -10dBu
R5V
R8V
DETM
R262 C262
18K 0.1
RX:3.60V
R265
Q26 R266 R264
KTC4075 10K 10K 10K
R268
10K
WXDEC
C264
0.022
FI6
LTM450EW
I O
TP96N97
R1 J1
5V
1
[SQUELCH] SQLV
2
GND
3
SQL-A UNIT
J1
VCC
1
VOL1
R1 2
VOL2
3
GND
[VOLUME]
4
HV
5
VR-A UNIT
TP96N97N
10 - 3
T5V
TX:4.95V
TX:4.95V
C91 R92
10P ERJ3GE-JPW
C83
10P
Q10
2SC4226
R5V
Q55
KTA1664
RX:3.7V
R206
390
Q56
KTC4075
RX:8.1V
C205
100P
R8V
C204
0.01
CP3
R186
C195
0.001 1.2K
Q23
KTC3880S
R8V
R541
390
RX:2.05V
R542
X5
1.5K
CR-845
X4
C541
JTB450C24
100P
IC14
C566
C533
TA31136FNG
22P
0.01
1
16
OSCIN MIXIN
2 15
OSCOUT GND
3 14
MIXOUT N-REC
4 13
VCC N-DET
5 12
IFIN RSSI
6 11
DEC IFOUT C529 R524
7 10
FILOUT QUAD 680
0.001
8 9
FILIN AFOUT
R544
R557 R555
470
CP6 0 0
DETDSC
R558 R556
0 0
W2
OPC-1264A
To MAIN-A UNIT (W2)
IC3
RA33H1516M1-225
R102
Q14
KTA2015 270
HV
R100
100K
T5V
RX:5.0V
Q18
Q53
KRC404
KTA2015
R109
R107 10K
22
Q17
KRC404
Q54
KRC404
RX:1.95V
Q22
3SK293
FI2 FI1
R185
C189
FL-399A FL-368
1.2K 0.001
RX:1.9V
R195 R191 L13 L12
0 0 MLG1608S MLG1608B
R196 R192
RX: CH16:4.00V
0 0
CH28:6.94V
R197 R193
0 0
R198 R194
0 0
C534 C535 L65 L66
RX:1.65V
MLG1608B MLG1608B
0.001 0.001
FI5 FI4
R523 C525
FL-413 FL-413
680
0.001
Q62
3SK293
R553 R551
0 0
R554 R552
0 0
HV
R125
L20 D14 C126
68 LW-25A L308CCB 0.001
L19
LA-253
L31
LA-243
R127
100K
R111
10K
Q16
R114
KRC402
100
C162
9P
L39
L38
C183 C176 C175 C164
LS-440-LF
LS-440-LF
5P 0.75P 0.5P 2.5P
R173
10K
R8V
C513 C496 C495
5P 0.75P 0.75P
RX:1.4V
MAIN-A UNIT (Right side)
L21 L22
LA-243 LA-243 CP15
C128
to ANT
4P
CP20
R8V
RX:7.0V
L36
LS-440-LF
RX:3.8V
C153
220P
Q21
C151
3SK131
R149
22P
100K
RX:0.37V
RX:7.0V
RX:3.8V
C503
220P
C499 C511
1.5P 1.5P
Q61
3SK131
R503
100K
RX:0.52V
*; Refer to "PARTS LIST."