Midland ALAN 8001 Circuit Diagram
S406
ALL MODES CB MOBILE TRANSCEIVER
Master Circuit Diagram
NOTE: Subject to Change for Better Preformance
without Further Notice
2
1
ECHO PCB
J5
J4
P108
J108
484645
2
1
MIKE GAIN
VR505 1KB
VR502 50KA
G
VOLUME
GRD
1
23
4
MICROPHONE
RX
TX
SQL
VR501 50KB
P103
J108
J103
67
66AF65
MIKE
TX
S408
OFF
OFF
ON
S402
NB/ANL
64
63
62
S403
MOD
MOD
M501 S/RF &
P108
J108
61
60
595857
S404
SWR
56
RF GAIN
VR504 1KB
P106
J106
55
CAL
SWR
SWR CAL
1N4148
VR506 5KB
FINE
VR507 1KB
5051525354
D83
COARSE
VR503 20KB
49
1N4148
J107
R137
1K
OFF
S407
R,B
FREQ COUNTER
ON
L501
J122
J101 P101
J2
123
J1
C502 472
123
L502
102
C503
2
1
3
4
C504
102
MIC JACK
S/RF
D39
1K8
TR4
R34 1.5M
R142 4K7
2SC945P
R5
R254 6K8
L3 2002
TR6
330
D12
D125
2SA733P
IN4148
L5 2003
1N4148
TR5
R61
C39
TR15
R58
3K9
R47
100K
R42
R41 100K
R62
10K
M104
2SC945P
3K3
VR2
VR1
C29
270P
C28
M102
6P
C25
C21
560P
C53 103
TR9
FL1
D3
IN4148
R14
10K
2SC945P
C7 102
10K
10KB
10KB
D11
R46 100K
IC2
C22
L4 2002
473
2SC1675L
CF455HT
TR3
2SC945P
TR16
2SC945P
R55
TR14
2SC945P X 2
TR13
D10
IN60P X 2
C33
R45
R44
7
6
5
4
3
2
1
7
5 6
1
UPC1028H
68P
TR11
TR10
R22
3K3
1K
TR2
C41
R60
470
47K
C32
M473
100K
680
8
9
10
11
12
IC1 TA324
13
14
C27
M0.01
3
4
2
R31
6K8
2SC1675L X 2
C17
R24 2K2
R18
C277 103
C15 330P
6K8
10K
100K
IN60P
L2
2001
2SC1675L
C4
L1
2000
M0.0056
1K
R50
47U/10V
D8
100K
TR1
R52
R51
C34
27p
3K9
TR12
IN4148
R274
1K
R16 3K3
R11
C11 330P
C10 0.47U/50V
C9 103
R10
D2
D1 IN60P
100P
2SC1675L
C40
3K3
3K3
IN4148
C31
270K
C23
C20
R30
C18
R29
R26
R25
R21
TR8
R15 330
R12
22U/25V
C38 M0.022
R59
C37 47U/10V
C36 M102
R57 10K
R56 1K
C35 47U/10V
D9
2SC945P
R48
1K5
R36
R35 6K8
R33
C26
473
10U/25V
100
M473
270
100
2K7
180
2SC1674L
47U/10V
R43
47U/10
VR3
R27
TR7
R13
270K
R103
270K
R6 47K
D13 IN4148
500KB
R49
C30
R38 39K
R37 82K
47K
2SC945P
470K
68
330
2K7
103
33K
R138
4K7
1N4148
500KB
VR4
D27
D14
IN4148
47
VR22 10K
D38
R141
1N4148
VR21
3KB
TH680R
C138
0.0047
R182
C136
0.015
R180
2K2
10K
R187
1M5
R179
R183
C137
M472
4K7
J181
220K
TR33
2SC945AQ
3K3
R259
D28 IN4148
D71
IN4148
1K0
R176
100
C122
10V 47U
TP3
2SC1675L
C92 27P
C91 150P/CH
T2.2U/16V
270P/UJ
2SC1675L
TR24
S5
D2
1N4148
D1
45
3
IC4
2
1
5.6k
R163
C125
25V 0.1A
C123
18P
1
6
IC3
4
7
560P
C93
L17
2017
TP2
C84
473
R68
39K
R69
39K
1N4148
VCC
R55
D70
IN4148
3K3
R177
NJM4558D
C124
3
AN612
5
R83
220K
C78
15P
180
6K8
10K
680
27K
R178 4K7
C135 473
R167
100K
6
7
R166
15K
8
TR27
2SC945AQ
100P
R260
270K
0.01
270K
C205
2
R159
D62
4148
C120
0.047
C77 10P
C99 103
R104 1K5
D123 IN4148
R106
C94 270P
D33
R114
R113
C104
D30 SVC251
D95 SVC251
C97 560
R125 100
C219
C95
220U/16V
R115
C102 0.047U/16V
R116
C103 5P/CH
C89 15P/CH
C81 68P/CH
L15
R110 1K
R122
R120 1K
C90
C88 473
C79
R54
47K X 8
U2
47K
C73
R99
TR23
68K
2SC945P
15P
TP6
R101
68K
R100
1M
C70 220P
R95 3K3
D26
C74 15P
5P
R102 3K3
R54 47K
R96 22K C72
R53 1K
10K
IN4148
R98
100K
C71
1U/50V
R97
100K
IN60P X 2
D23
D24
D61 IN4148
472
L14
2009
D25
IN4148 X 2
TR22
820K
R39 220K
R40
D7 IN4148
R32
100
2SC1906
D22
2SC1675L
TR21
TR20
2SC1675L
R88 100
L13
2001
2K2
TR19
2SC1674L
C24
1U/50V
C19
10U/25V
R25
150
R23 2K7
R20 330
C16 103
R19 68K
R17 2K2
C14 103
C12 10U/25V
C13
M222
TP1
C8 82P
R9
C6 103
R8
C5
473
R7
R4 220
C3 103
R3 680
C2
10P
C1
R2
R1 10K
R87
IN4148
D20
IN4148
R82
C63 0.01
D4
R75 68K
FL3
10.695MC
R91 1K
C61
0.047
D6
IN4148
D5
IN4148
5K6
R78
FL2
10.7MC
C59
5P/CH
C58
5P/CH
L10
2007
J310
TR18
L8
2022
C52
5P/CH
30P
C336
R917
4K7
TR017
2SC1674L
R257 2K2
C44
10U/25V
D16
MC301
C42
472
R94 68
C69
103
473
C68
150
R93
270
R92
R90
1.5K
R89
47K
C67
100P
C66
473
C65
103
C64
473
680
D21
IN4148
R86
5K6
R85
R84
1K2
R87 1K5
22K
R129
8K2
C119
0.001
D19
IN4148
1K
R80
C62
0.047
R79
10K
D17
IN4148
4K7
R77
6K8
R76
C60
0.01
L12
2008
L11
2007
R73 100
C55
102
C56
102
R100
1K5
R74
C217 102
R916
4K7
100K
R100
SVC251 X 2
R69
100
C51 0.01
R68
820.
R67 3K3
C50 102P
10P
C49
C47 102
C48
472
L6
2004
R66 1K
C45
472
R64 2K2
472
C46
MC301
R63 6K8
D15
C43 18P/CH
TR32
2SC945P
102
C130
22K
R174
C128
0.22U/16V
12K
R173
C129
1u/50V
10K
R164
220
R256
D65
KB262
R162
100
R165
270K
1
2
C126
25V 2.2U
R160
15K
R161
L18
2010
TR26
2SC1675L
56
R112
R123
6K8
IN4148 X 2
D31 D32
R117
C85
390P/UJ
TR25
VR5
10KB
C87
222
C86
100P
C98 10P
R119
220K
R118
10K
C100
M102
C101
10K
C82
C83
X1
10--60P/CH
R111 220K
10.24MHZ
C333
10U/25V
2K2
R121
VCC
J4A
FM/AM
LSB
S9
CH/FREO
J3A
S7
BANDSW
J2AJ1A
S6
CHSW
VCC
R209 1K
R171 47K
C121
C96
R109
C80 15P
22U/50V
33
473
100U/16V
RA1
VDD
100K
10K
VR7
10K8
0.01
473
10K
220U/16V
R105 56
RA2
RA3
RA4
R73
R67
470K
C6
10K
470
R210
TR42
TR34
R175
100P
47U/10V
680K
2SC945A
R188
2SA733P
470
IN4148
R158 3.3K D63
473
C112
1K
R108
R128 3K3
25
RC7
N/C
C9
C156
C154
C155
M104
C915
C914
C57
1U/50V
470
R208
C916
M222
100
R202
M473
1K8
R205
R207
4K7
6
7
4
220P
683
3
IC8
5
9
1
KIA7217A
8
2
10
C148
C146
100P
47U/10V
2K2
C133
10U/25V
IN4148
R170
C134
2U2
R168
D66 IN4148
R169
C127 473
C199 330UF/16V
R107
10K
C109
C79
C110
M103
C220
4.7U/50
R124 47
L24
C105 102
R140
1K
J40
RC0
RC1
RC2
RC3
RC4
RC5
RC6
N/C
RTCC
MCLR
12345
Q6
2SA733
8P
100
C2
JP4
TR41
2SB1566
D78
7.5V
1K
R200
R199 47
C143 1U/50V
R196
680
D77
KB362
R195
22K
D76
5.1V
1.5K
R193
TR37
2SC945P
TR36
2SA1282
RX
39
L22
12258
C226
100P
473
C106
39P
C230
103
R127 1K
L50
22UH
C111
100U
C76 39P
C225 10P
103
C131
R126
560
5P
C224
987654321
10
4K7
R60
R59
10K
Q1
2SC945
P40
R62
10K
R61
10K
Q2
2SC945
1011121314151617181920212223246789
RB0
RB1
RB2
RB3
RB4
RB5
RB6
RB7
OSC1
OSC2/CLKOUT
VSS
PIC16C57
262728
R71
33K
R72
10K
R58
10K
R66 10K
Q4
2SC1674
Q5
C1
200P
JP3
ON
434241
C150
22U/10V
C147
0.47U
C145
470U
C144 102
D83 IN60P
D82
D81 IN4148
R201
D79
R198
10K
R194
R134
X2
C132
10K
R64
560
R56
D1CSCLK
2SC945
R926 10K
C151 33U/25V
47K
KB262
56
TR38
2SA1282
100K
14.300MHZ
120P
15
1
15
1
R63
7
NCNCDO
VCC
123 4
R57
C7
VCC
TR40
2SC945AQ
C331
C221
R135
U3A
D
CLK OC
RST
D
CLK OC
RST
U3B
10K
Q3
6
GND
12K
100P
D124
123456789
U1 93C46
OFF
100U
103
10K
C330
SVC251
C75
IC10 TA7310P
2SC945
5
5P
TR912
D80
R197
15K
R235
C187 M223
68P/UJ
ECHO
2SC945
IN4148
10K
4015
OA
OB
OD
OA
OB
OD
D57
L26 12016
R156 1K
R1321KR1311KR130
L19 12012
D34
C231 102
P802
13
12
11
2 14
13
12
11
2 14
S502--1
P103
J103
Q2
2SC3194Y
10K
R1
D58
L27 12016
L29 470UH
L20 12012
D35
R275 560
LSB
USB
39
D1
D59
L28 12013
L30 470UH
1K
L21 12012
D36
7
6
5
4
3
2
1
6
5
4
3
2
1
FM
AM
38
R2
10K
C1
Q1
2SC4081R
150P
39P
102
102
L25
470uH
DS1--DS5 DSP11HWA X 5
220 x 3
R55
J27
P27
7
6
5
4
3
2
1
6
5
4
3
2
1
J26
P26
P4A
1
2
373635
100UF/16V
D74
C118 39P
C117
C116
R150 1K
R157 1K
R149 4K7
C227 102
C228
C229
DS5
DS4
DS3
DS2
DS1
220 x 4
R55
abc
abc
abc
abc
abc
LSB
R237 100
USB
AM
34
IN4148 X 2
D40
efg
pt
d
efg
pt
d
efg
pt
d
efg
pt
d
efg
pt
d
FM
IN4148
D84
D94
R154 220
TR56
S502--2
P104
J104
2SC1969
X4
R153
C113
C163
R214
VR15
5KB
C212 M104
D2
2SC3356L
TR402-TR407
10.965MHZ
10K
103
L54
33P
1K
220
R65
RF PWR
VR508 20KA
3K3
R250
TR54
2SC2538
8K2
R248
TR53
2SC945P
TR51
2SB688
C191
M473
1N4148
R407
470
TR406
L43
R231
1N4148
D60
2K2
R155
10K
R152
C115
270P
TR30
2SC1675L
390P/UJ
R271
22UH
D141 MV1Y
C162
5P
10
9
8
7
6
5
4
3
2
1
J802
EXT.SP
J501
282930
C197 102
R249
10K
TR50
2SA473
5K6
R239
5K6
R238
5KB
VR13
5P
C337
R408
470
TR407
2010
2K2
R227
1K5
R228
470
TR47
2SC1675L
150P
C114
1K
R151
C209
L33
3T5 X 2
P805
J805
+8V
C802
IC801A4
IC802A4
IC802A2
IC801A2
8V
IC801A1
IC802A3
IC801A3
IC802A1
SP501
SPEAKER
POWER SW1
P109
P101
J109
J101
26
27
2524232221
C196
102
T1
D29
IN4007
1KB
D92
VR14
1N4148
R247 100K
R245 3K3
470
R246
C242 10K
M102
C192
TR49
2SC945P
R240 560
C189 473
L44
2007
TR405
TR404
1K2
R409
L42
20105
C278 103
0.5PF
C182
L40
12014
TR46
18K
R229
C178
470P
VR12
10KB
2SC2314
473
C181
TR45
C175
470P/UJ
L47
TR44
2SC2166C
150
104
C210
R270 47
VR20 100
L34
8765432
8765432
104
9
16
14
15
13
S110S211S312S4
B4
Cin
Cout
VDD
A41B32A33B24A25B16A17VSS
IC802
8
IC802B3
IC802B2
IC802B1
IC802A3
IC802A2
IC802A1
IC802A4
C801
104
IC801B4
16
9
14
15
13
S110S211S312S4
B4
Cin
Cout
VDD
A41B32A33B24A25B16A17VSS
8
IC801 MC14008
IC801B3
IC801B2
IC801B1
IC801A3
IC801A2
IC801A1
IC801A4
IC801B3
IC801A3
IC801A4
IC801B4
R804
47K
R803
47K
R802
47K
R801
47K
TF083
R241
D91
L60
R218
D88 MV1Y
TR43
IC801B2
R805
TR52
10
IN4148
TR402
TR403
1906
5T5
22
2SC1969
IC802B4
MC14008
R806
47K
C171 470 UJ
R272
IC801A2
R252 47
2SC945
L39 6T5
VR11
L37 4T
DC13.8V
C507
C195
D93
IN4003
R251 2K2
C190
100U/16V
C185
0.01U
R405
1KB
L35
0.01U/50V YF
IC801B1
R807
47K
47K
20
103
C506
4700U/25V
R928 1K
2K2
R230A 47
C183 103
4.7
L38
D90
R216
1
P101
J101
1
IC801A1
R808
47K
PL501
METER
103
C194 1000U/25V
R255 470
R406 2K2
R410 8K2
22UH
C404
C166 560
VR8 100K
100P/CH
C402
IC802B4
47K
R809
R243
D510
D509
1N4148
D88 MV1Y
ANT
11
12
13
14
15
16
17
18
19
20
R810
680
IN4148
IN4148
L31 8T5 L51 L52
IC802A4
JP2
PCBX-9821R18MAIN BOARD
C193 2U2
C188 473
D501D502
D503
R230 47
330UF/16V
L41
C180 180P
R226 1K2
R225 330
R224 47
C179 330P
R223 150
C400 220P
R221 5K6
R222 330
C177 103
R220
C176 103
150
R219
L36
C174
C172 104
R215 47
VR10 100B
D86
3T5 X 2
C161
0.5P
100
R401
R402
150
47P
L601 L602
P5
NC
P4
P3
P2
P1
NC
P0
VSS
C803
104
IC802B3
IC802A3
R812
47K
R811
47K
47K
VR311
2.2U/50V
R217 150
103(M)
220P
220P
100P
C401
C402
C5 100P
C1 33P
C3
C2 33P
C6 100P
503
IC803 MC145106
P710P6
P8
LD
DETout
FS
/2out
OSCout
OSCin
Fin
VDD
IC802B2
R813
R70
47
D323
10KB
IN4148 x 4
D501-D504
D504
C173
1U/50V
C158A 47PF
C158 100P/CH
D401 IN60
0.01U
0.01U
D402 IN60
9
8
7
6
5
4
3
2
1
IC802A2
R814
47K
ALAN8001I PLUS
TRANSCEIVER SCHEMTIC
10 METER HF AMATEUR MOBILE
without further notice
All changes are subject for better performance
NOTE:
C3
47UF
3
Vout
GND
2
78L05
Vin
1
C4
100UF
1N4148
R326
1K
M473
6K8
M473
POWER SOURCE GND
CHASSIS GND
TP9
TP8
TP7
C336
M0.068U
R283
820
820
R140
R139
R212
1K
TX
RX
J102
P102
16
17
J804
+10K
330R
J803
5.12MHZ
47K
P16P15
18 19
D309
S401
ON
0FF
P804
P803
473
2K2
IC802B1
R815
47K
C313
R325
C312
C311
M473
C335 472
C332 472
C216 473
C218 473
C204 473
C203 473
C202 473
C201 103
C200 103
C169 104
C168
C211
C165
C165A
C164
IN4148 X 2
D87
C403 100P/CH
C160 220P CH
103
C159
R213 10K 1/2W
1K
R211
LOW pass filter
R818
IC802A1
R816
47K
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