Icom IC-M601, Service Manual

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12-2 MAIN UNIT
12 - 2
R8 8V
R8 8V
8V
IC-M601 [HOL], [FRG] only
IC-M601 [HOL], [FRG] only
470k R81
R8
R8
R8 MOD
0.001 C441 0.001 C440 0.001 C439 0.001 C437
470p C438
R8
MOD
RXADJ
DEC2
DEC1
0.001
C431
DET
470p C436
DEC1 5V NWC 8V RXADJ DEC2 DET
DEC1 5V NWC 8V RXADJ DEC2
0.001 C433
0.001 C432
0.001 C434 0.001 C435
R8
2.70V
3.72V
UNLOCK: 4.83V
LOCK : 0.0V
3.72V
1.2V at -8dBu
8V
5V
R8
5V
1k
R59
0.1
C89
2.2k R219
CP2
0.1 C247
2.2 C249
3.3k R218
20p
C242
0.001 C243
20p
C253
1k R182
C111 0.047
8V
5V
0.01 C386
MAIN UNIT
J1
C208 0.033
C98 10
C99 0.1
C100 0.1
CP1
5V
8V 8V
R8
R8
unit J2
to AF
LB-258
L62
0.047 C225
3.9
µ
L61
HVC358B D32
HVC358B
D33
1p C227
18p C229
18p C228
18p C231
18p C230
1.2k R186
2.2
µ
L63
PMBFJ310
Q12
2SC4215
Q13
12p
C237
100 R191
4.7k R190
3p
C235
0.01 C233
0.0022 C232
100 R185
R188 330
0.0022 C236
4.7k R189 0.1
µ
L64
C222 0.001
C223 0.1
C224 10
1 C221
10k R181
2SC4116
Q11
0.1 C190
100k
R142
100k R143
10k
R144
0.012 C191
10 C186 0.1 C187
10k
R145
0.033 C192 0.033 C193
10k
R146
470p C194
NJM2902V
IC3
14
13
12
-
+
NJM2902V
IC3
-
+ 8
9
10
10k R147
8.2k R148 1.5k R149 470k R150
0.01
C195
0.01
C196
0.01
C197
470k R151
0.047 C201
R329 1
CP20
CP21
W4
W3
W2
R325 1
R324 1
100k
R163
NJM2902V
IC3
470p C204
330
R157
470p C114
0.1 C113
330
R87
47
R86
BU4584BFV
IC5
0.01
C116
2.2k R91
15k
R90
39k R89
0.0022 C115
0.1 C117
100k
R88
0.033
C118
47k R155
47k R85
R84 470k
C112 0.22
2.2k R161 39k R159
0.01
C206
15k
R160
0.1 C207
0.0022 C205
100k
R158
470k R154 0.22 C202
R8
8V
2SC4116
Q17
1 C271
10k R226
0.001 C272
0.1 C273 10 C274
680
R232
0.0022 C294
0.1
µ
L75
2SC4215
Q19
R8
8V
DTC144EU
Q22
DTA144EU
Q21
0.001 C295
100k R239
2.2
µ
L79
1k
R238
LB-258
L73
D41 1SV308
0.1 C278
33
R220
1SV214 D39
1SV214
D40
3.3
µ
L72
C281 3.5p
C282 6p
4p C284 10p C286
10p C287 3p C285
1.2k R230
2.7
µ
L74
0.5p
C290
R233 68k
0.01 C289
0.0022 C288
PMBFJ310
Q18
1SV214 D37
33k
R228
1p C280
47k
R227
1
C277
47p C276
0.001 C275
PDATA
PCK
DASTB
HLVL
2SC4215
Q14 5p C241
680
R192
C200 0.001
68k R193 0.1
µ
L65
68
R195
56n
L66
27p C239 27p C240 100 R194 100 R196
W1
1k R293
0.001 C381
0.01 C383
R292 470
470
R291
M62363FP-650C
IC15
µ
PD3140GS
IC12
2SC4116
Q16
10p
C269
1.0
µ
L69 18p C268
3p
C267
18p C266
0.01 C265 1.0
µ
L68 470k R222
CR-664A (15.300 MHz)
X4
0.001 C258
1SV288 D35
470k
R207
47k
R208
68p
C257
C256 4p
C255 39p
2.2k R217
0.047 C248
27k R214
1k
R213
C261 0.001
C262 0.1
C263 0.01
5p
C264
1.2k
R221
100
R209
2SC4215
Q15
C251 5p
680
R201
68k R202
C252 0.001
0.1
µ
L67
27p C259
56n
L70
68
R204
27p C260 100 R203 100 R205
6.8 C391
0.001
C254
0.01 C246
1k
R299 R212 100k
C245 0.001
C244 0.22
220
µ
L91
-
+
NJM2902V
IC3
7
6
5
0.01
C107
0.01
C108
0.01
C109
470k R80 1.5k R79 8.2k R78
10k R77
-
+
NJM2902V
IC3
1
2
3
10k
R76
470p C106
0.033 C105 0.033 C104
10k
R75
0.012 C103
10k
R74
100k R73
0.1
C102 100k R72
47 R71
0.22 C93 47p C73 0.1 C74 47p C171 0.1 C172
10k
R61
10k R62 10k R63
0.22 C94
NJM2125F
IC2
CP4
0.1 C95
10k R65
1k
R64
1k
R66
NTCG16 R302
C392 0.001
M
L
K
A
B
C
D
E
F
G
H
I
J
UNLK
PDATA
PCK
PSTB
12
11
10
9
8
7
6
5
4
3
2
1
13
14
15
16
17
18
19
20
21
22
23
24
11
12
13
14
15
16
17
18
19
20
10
9
8
7
6
5
4
3
2
1
VIN5 VIN4
VOUT5 VOUT4
VOUT6
VIN6
DO
VDAREF
RESET
GND
VIN7
VOUT7
VOUT8
VIN8
VOUT3
VIN3
DI
CLK
LD
VDD
VIN2
VOUT2
VOUT1
VIN1
FO2
FI2
CP2
GND2
XO
XI
XB
VCC2
IN2
GND1
FO1
FI1
CP1
LOK
T1
DATA
CLK
ENB
IN1
VCC1
TC4W53F
IC11
4
3
2
1
5
6
7
8
7
6
5
4
3
2
1
8
9
10
11
14
13
12
FSK
NC
REF
LOOP
R
CAP
CAP
IN
NJM2211M
IC9
LOCK
GND
Q
DATA
Q
V+
3
2
1
4
5
6
7
9
10
11
12
13
14
8
FSK
NC
REF
LOOP
R
CAP
CAP
IN
NJM2211M
IC4
LOCK
GND
Q
DATA
Q
V+
3
2
1
4
5
6
7
9
10
11
12
13
14
8
4
11
GND
V+
2
3
1
5
4
J2
8V
5V
R8
PCK
PDATA
HLVL
MOD
NWC
DET
GND
GND
TXDET
SEND
GND
DASTB
GND
TMUTE
H/L
ATT2
ATT1
UNLK
PSTB
PDATA
PCK
GND
8V
5V
GND
DEC2
RXADJ
DEC1
WXDET
SQL
NWC
TEMP
CP16
CP19 CP18 CP17
CP12 CP13 CP14 CP15
R306 1
R307 1
R308 1
R309 1
R310 1
R311 1
R312 1
R313 1
R314 1
R323 1
R322 1k
R321 1k
R320 2.2k
R319 2.2k
R318 2.2k
R317 2.2k
R316 1
R315 1
board J1
to LOGIC