V+ V+
R1
R720K
VDD
R3
10K
LM339
Q10
R8
10K
U10C
VR2
10K
R110
47K
R1 0105 K8
Q11
2SC1623
2SC1623
D4
IN4148
R8768
R8668
R85
68
R8468
R6100K
C7
C6
100N
100N
C5
1N
Q1
2SC1623
R125
33k
13
U10D
LM339
V+
R12120K
14
R120
4.7K
R111120K
R112330K
R1092.2K
R89
100K
Q9
C89
1u
BAT
3AX4
??
1K
N0001
+
C3
R22.2K
10UF
TP1
MIC
+
D
C1
1N
C
B
A
C4
100N
C1 N2
R4
47K
MOD
DET
TP6
Radio mute
R119560
9
R118
470K
8
C92
R117
22N
10K
R141
10K
2SA812
R88
10K
C1 0808 N
C117
1N
CHARGE+
D5
IN4148
C91
100N
CHARGE-
V+_CON
1 2 3 4 5 6 78
5
6
C8
1N
R124
33K
5
4
C93
22N
1
U10B
LM339
7
6
R96
10K
+6V
JP6
U1B
LM324
R9
100K
C10100P
C9
1u
R5
1
470
v+
R123
39K
10
11
R122
4.7K
V+
312
2
U10A
LM339
LED2
V+
LED1
R107
20K
R10610K
R104
10K
R102
10K
R99
100K
R98
R100100K
22K
C86
1uF
V+
R97
22K
C85
33N C8433N
XC6204
1
VIN5VOUT
+
C81
47u
7
C14
100N
U1A
LM324
SW1
SW2
SW3
SW4
SW5
R116
470
R114 470
R115
470
R113
470
R108
20K
R105
20K
R103
20K
R101
20K
JP2
R95
33K
U9
2
/CE3GND
V+
411
C110 10N
R160470K
R159470K
C87
10N
R94
R83
1M
R11
10K
R1010K
C109
10N
Vpp
33K
4
VDD
100N
R1482.7K
R12100k
3
2
R126
47k
C94
27P
PTT
CALL
MODE
UP
DOWN
RECHERGE/DET
BAT/DET
STB
FM_CON
red
y
CS
DATA
CLK
C11810N
R93
33K
C8333N
NC
+
C11
R92
470K
C82
1N
2SC1623
C13
0.47u
C96
10N
C80
22u
Q12
TP7
TP9
?? ???
TX-V+
C1071NV+
R143
390K
R137
180K
X1
3.58MHZ
TP8
LED
Vdd1
JP1
5
R91
2.7K
MMBT3906
V+
R51
100K
C50
15N
R4222K
R4110K
C5210N
C511N
C53
10N
2
C48
4.7N
3
U5D
LM324
MON
TP3
DWG.:
YZXin 2001.9.27
CHK.:
APP.:
7654321
Q22SC1623
Q3
MMBT3906
R54
4.7
1
8
_
6
VCC
G1
G2
BP
4
+
GND
7
R56
*
14
R31
1.2K
VR1
10K
C33
D3
C32
2N
IN4148
1N
R32
4.7K
C34
C351u
20N
AF
R33
4.7K
8
C36
COIL
47N
T1
R6022K
TP2
TEAM Electronic GmbH
R52
1K
100u
O/P
LM386
9
7
R53
10K
U3
C31
120P
PFI
C2
+
Title
Model No.:
Drawing No.:
+6V
+C54
5
C30
100N
R30
470K
10
PFO
U4
MC3361B
5
C1
6
C1 0206 NC1 0207 N
C24
C1 0205 N
4.7u
Main Board
Talk&Radio TR-446
Talk&Radio TR-446_1
D2
BAV99
+
C57
100UF
R57
47
C1 0506 N
C116
1N
11
BEEP
R17
C106
47N
COM14
17
COM1214COM1113COM10
COM3
411
R79
4.7K
C7210N
10K
MIC-CON1
R1 0106 K
U1C
LM324
10
8
9
R145
C99
100K
22N
AMP-POWER
C104
R151
R19
470P
3.9K
3.9K
R129
3.3K
VOX-CON1
VOX-CON2
COM13
COM12
COM11
COM9
COM0911COM08
SEG1SEG10
SEG00
COM00COM1
COM2
R70
100K
C6910N
3
2
R714.7K
COM10
COM8
SEG2
C68
1UF
2SC1623
R133 120K
R132 75K
R130 2.2k
R131 4.7K
SQ1
9
K1.3
12
10
SEG3
SEG4
SEG5
R69
47K
U6D
LM324
14
C67
1UF
RX-V+
R78
22K
Q5
C12
22N
R139
10K
C101
100N
DBA1V99
C100
100N
R127
32.768KHZ
22K
C9822P
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Q7
XIN1
XOUT1
RC0
RC1
RC2
RC3
RD0
RD1
RD2
RD3
RE0
RE1
RE2
RE3
RF0
RF1
RF2
RF3
/RESET
VDD
C90
51
100N
DET
VDD
R90
JP3
1K
R152
V+
10K
1
3
SK4CS
DC
VCC
U7
93C46
7
ORG8GND
DO
DI
6
TP5
Q8
2SC1623
R80
56k
R82
1K
Q6
MMBT3906
C79
10N
+ C78
R81
1K
VSS
P0052P0153P0254P0355P1056P1157P1258P1359NC60CP
2
SF WM 6
+ C76
10u
10u
C10547N
MON
RX-V+
C11347N
C114
R144
C120
56K
47N
R155
R1464.7KR1494.7K
4.7K
Q13
2SC1623
V+
R14247K
R128
22K
X2
V+_CON
30
26
29
MFP
XIN2
27
28
DTMF
XOUT2
10N
C1647NC1547N
R14
R134.7K
10K
JP5
JK-DET
CS
22
21
RB023RB124RB225RB3
U2
W742E811
MIC-CON2
VLCD161COM0762COM0663COM0564COM0465COM0366COM0267COM0168COM0069SEG0070SEG0171SEG0272SEG0373SEG0474SEG0575SEG0676SEG0777SEG0878SEG0979SEG10
RX-SIGOUT
C71
100N
TONE-IN
R154 1K
V+
R153
10K
TX-V+
C75
10N
C77
10N
Mode
C1 0700 N
JP4
C121
R75
4.7N
R77
33K
R 1 0105 K6
33K
7
U11B
TP4
LM393
V+
84
3
2
U11A
R74
LM393
100K
+6V
U8
62FP3002
Vin Vout
GND
C74
10N
TX-V+
R138
33K
C17
47N
R1510K
Q14
2SC1623
R1474.7K
RXV+
FRS_CON
Date
COM15
RA018RA119RA220RA3
COM1315COM1416COM15
COM4
COM5
COM6
COM7
RX-V+
R76
VDD
560
V+
R1 0703K
1
5
U6ALM324
6
R72
220K
C111
1N
1
VDD
+
C73
22u
TXV+ RXV+
C1 0108 N
R18
4.7K
SEG00SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
COM15
COM14
COM13
COM12
COM11
COM10
COM9
COM8
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
COM00
COM1
COM2
COM3
COM4
COM5
COM6
COM7
FRS_CON
R6656K
C64
1.5N
12
13
Radio AF
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
J1
V+
Q15
2SC1623
LCD
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
COM15
COM14
COM13
COM12
COM11
COM10
COM09
COM08
COM07
COM06
COM05
COM04
COM03
COM02
COM01
COM00
LCD\LM1072C
R65
39K
C1 0603 N
MOD
Radio mute
123456789
U1DLM324
R157
10K
+6V
R21
R22
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG12
SEG12
SEG11
8
R2339K
39K
C21
C22470P
C20
2.2N
2.2N
100
SEG30
1
SEG29
99
SEG28
98
97
SEG27
SEG26
96
95
SEG25
SEG24
94
SEG23
93
92
SEG22
SEG21
91
90
SEG20
SEG19
89
SEG18
88
87
SEG17
SEG16
86
85
SEG15
SEG14
84
SEG13
83
82
SEG12
SEG11
81
U6C
LM324
10
9
TX-V+
STBDATACLK
V+
IF
R20
39K
10K
C19
10N
R134
R1351K R1364.7K
220
SQ2
SEG6
SEG31
2
K0.03K0.14K0.25K0.36K1.07K1.18K1.2
SEG31
80
SEG7
SEG8
SEG9
R67
R6868K
75K
12
13
C66
C6568N
1.5N
MOD
FM_CON
RX-V+
1011121314
MOD
R25
180K
14
R24
47K
R50
10K
C49
10N
C103
C47
10N
100N
R46
R444.7k
6.8K
Q4
2SC1623
C11510N
R36
9
2.7K
10
C43
C4247N
47N
R37
33K
R38
22K
5
7
6
C40
47N
U5B
R352.7K
LM324
R6468K
5
7
6
U6B
LM324
C112
100N
C621NC1 0601 N
TP10
Vpp
Date
Mode
Vdd1
R1 0409 K
R4847K
V+
R55
10K
C55
100P
C102
R47
390K
C46
100N
C3947N
1
2
3
4
5
U5CLM324
1
LM324
R140
4.7K
100N
R4510K
R150
4.7K
R43
2.7K
13
12
8
C44
C45
47N
47N
RX-V+
R39
20K
C411u
R405.6K
411
C3847N
3
2
U5A
R34
2.7K
C37
47N
RX-V+
R 12602 K
R63
C60
390K
1u
R6147K
8
N0001
R59
3.9K
C1N59
JK1
DRVR
R58
220
C58470P
SP
RX-V+
/0.25W
8
R2647
R29
22K
C1 0209 N
MUTEI
R27
47K
R28
C28
100K
2.2u
16
IFI
15
GND
13
12
SCAN
14
MUTEO
XIN1XOUT2MIXO3VCC4LIMO
CF1
455KHZ
C23
1N
Sheet of
1
Size:
A2
ENG-015-A
D
C
B
A
2
RX-V+
7654321
8
ANT
1N
D
C48
8P
C
B
A
R5 6 1 K
+6V
TX-V+
L15
5T
C47
10P
R46
33K
TP4
R43
56
RADIO-V+
1 2 3 4 5 6 78
R1K33
C1 0 4 N6
L13
5T
5T
C72
100N
C45
12P
C73
4.7N
14
15
16
L14
C71
100N
1234567
C67
100N
C68
10N
+
C69
47uF
Q13
MMBT3906
C74
10N
L17
8T
R3
Q1
BFR93A
C2 7 5 P 5
120P
15
GND
100
R4
4.7k
C1 0 3 N5
R1.257K
R1K26
C54
14
SW
13
XIN
C1 N7
R39
10K
C63
470P
L11
8.2N
C58
10N
+6V
L3
22N *
C5
12p *
C6
47p
R1047
R38
15K
Q10
2SC4226
C37
5P
L4
220N
R2
47k
TX-V+
C1 0 3 N8
L181 n0
R3.390K
C36
12P
R1.259K
Q9
BFR93A
C56
47P
VC1
20P
FIN
VCC
FIN11VCC2CP13GND4LD5CK6DATA7STB
C1 0507 N
V+
R28
100
16
CP2
U1 TB31202NF
L5 T1C1
D3
ISS356
C2
5P
C1 0 4 N4
Q11
DFG135
C75
220P
12
13
C2 2601 P
C1 0 7 N0
D4
BB133
R42
1K
C4.776N
11
C1 0606 N
L2
5T
C3
7P
+
C43
22u
L20
220N
C42
10P
C79
33P
L16
68N
C78
100P
C1 0707 N
R49
10
D1
ISS356
R31
1K
C1n41
D5
IN4148
C40
10P
L18
39N
10
PFT PFT
PFT PFT
U2
KA22429
MIX
PFT OSC
MIX
8 9
GNDRUN AFC
C65
2N
C62
2P
R41
33K
L19
OSC
220N
C64
R44
820P
I F
100K
LFT AFO HUT
Q12
2SC4226
TP3
R40
22K
C1 0509 N
C60
1uF
C1N34
X211.15M
12
XOUT
8
C8
10N
C14
CF1
446MHZ
C9
3P
C31
5p
C33
5P
C32
1P
C4 7 5 P 3
9
11
B0
10
C52
33P
C30
1N
L8.92n
Q8
BFR93A
C10
2P
C11
18P
L5
4T
R25
100
C1N29
R2.224K
Q7
BFR93A
C28
1p
R23
1K
R37
270
R36
15K
C3 3 5 N1
10N
C13
47P
C12
12P
R5621
L8
0.1uH
C27
7P
R22
150
C50
47N
C1 0 2 N4
R20
15K
C25
3P
C1 0 2 P 6
R35
3.3K
R15
220
TP2
R1 5 3 K4
C1u49
R2250K
L7
5T
0.82u
R1 5 6 0
L6
C20
7P
D2
BB721
C19
1N
C5 6 1 P 5
CF2
21.6MHz
R5 6 8 0
Q2
BFR93A
R7
10
R17
RX-V+
10K
C2P21
R14
6.8K
Q5
BFR93A
R1K16
C1 0 2 N2
R9
220
+
R4.173K R5.162K
C1 0 1 N6
0.47u
C23
10u
C18
2SA812
MOD
R1 2100 K
Q4
TEAM Electronic GmbH
DWG.:
YZXin 2001.8.9
CHK.:
APP.:
R1 5 1 0 1
Q90318G
R3348
R19
5.6K
R18
1K
TX-V+
RX-V+
Title
PMR(RF UNIT)
Talk&Radio TR-446
Model No.:
Drawing No.:
C17
10N
V+
+6V
Talk&Radio TR-446_2
Radio AF
IF
Radio mute
STB
DADT
CLK
V+
?????
Radio CON
D
C
B
J1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Size:
ENG-015-A
A
2
A3