1
2
3
4
5
6
7
8
9
10
11
12
A
B
C
D
12
11
10
9
8
7
6
5
4
3
2
1
D
C
B
A
1
TTI Tech Co., Ltd.
Rm402 EUNDO BLDG,
737-19 BANPO-1DONG, SEOCHO-KU,
SEOUL 137-041,
KOREA
1
E12-00099A
Title
Size:
Number:
Date:
File:
Revision:
Sheet
of
Time:
A2
TX-446 Schematic
Drw:
Chk:
Apr:
APR 19, 2003
K.Nakamura
R552
0
R551
10K
C546
0.1
R553
680K
C548 82p
R554
- - -
R555
820K
C549
0.1
C550
0.1
R550
10K
C547
0.0068
C532
82p
R532
100K
R534
100K
C531
0.0033
C534
0.0012
C535
680p
R535
100K
R536
100K
R537
47K
RV501
10K.B
R542
27K
Q508
KRC404
R543
4.7K
R545
6.8K
R544
180K
C543
0.068
R546
0
C539 47p
C542
100p
2
3
1
4
11
Q505A
LM324MX
6
5
7
Q505B
LM324MX
9
10
8
Q505C
LM324MX
6
5
7
Q504B
LM324MX
13
12
14
Q504D
LM324MX
C514
0.22
R512
100K
C517
0.022
R514
100K
R516
100K
C519
0.047
C521
0.0018
R520
100K
R521
100K
C524
0.068
C525
680p
R523
10K
R524
100K
C528
0.22
R511
470K
R530
100
R531
33K
R533
22K
+
C533
47u/6V(5x5)
OSC_1
1
OSC_0
2
MIX_0
3
Vcc
4
LIM_1
5
DEC1
6
DEC2
7
QU_C
8
AUO_0
9
FIL_1
10
FIL_0
11
SQ_C
12
SCN_C
13
AUO_M
14
GND
15
RF_1
16
Q503
DBL5018V
R504
820K
C509
270p
R505
- - -
C511
- - -
C510
270p
R507
3.9K
C506
0.1
C503
0.1
R503
470K
C502
0.1
R502
47K
R508
3.9K
C512
0.1
R509
10K
R510
1K
C513
0.047
C515
0.039
R513
12K
C516
0.047
2
3
1
4
11
Q504A
LM324MX
R515
100K
C520
0.01
C522
0.01
R517
15K
C518
0.0068
C523
0.01
9
10
8
Q504C
LM324MX
R519
160K
R518
7.32K
C526
0.01
C527
0.001
R526
4.7K
C529
0.022
R527
100K
1
2
3
4
F501
LTM450HTU
C507
0.1
C508
0.1
X501
JTBM450C3
R506
5.6K
C505
0.1
+
C504
47u/6V(5x5)
C541
0.022
R547
100K
R548
- - -
C545
0.022
R549
47K
13
12
14
Q505D
LM324MX
R541
330K
C538
220p
R556
4.7K
R557
1K
C540
0.0047
C551
100p
R558
2.2K
C552
0.001
R559
4.7K
R560
10K
C544
0.01
R501
22
P67
1
P66
2
P65
3
P64
4
P63
5
P62
6
P61
7
P60
8
P57
9
P56
10
P55
11
P54
12
P53
13
P52
14
P51
15
P50
16
P47
17
P46
18
P45
19
P44
20
P43
21
P42
22
P41
23
P40
24
RST
25
P71
26
P70
27
XIN
28
XOUT
29
Vss
30
P27
31
P26
32
P25
33
P24
34
P23
35
P22 FUNC
36
P21 DOWN
37
P20 UP
38
P17
39
P16
40
P15
41
P14
42
P13
43
P12
44
P11/SEG25
45
P10/SEG24
46
P07/SEG23
47
P06/SEG22
48
P05/SEG21
49
P04/SEG20
50
P03/SEG19
51
P02/SEG18
52
P01/SEG17
53
P00/SEG16
54
P37/SEG15
55
P36/SEG14
56
SEG10
60
SEG4
66
SEG3
67
SEG2
68
SEG11
59
61
62
SEG7
63
SEG6
64
SEG5
65
SEG1
69
AVss
73
COM3
74
COM2
75
COM1
76
COM0
77
VL3
78
VL2
79
VL1
80
SEG0
70
Vdd
71
Vref
72
P35/SEG13
57
P34/SEG12
58
Q106
M38223M4M-HP
C114
0.001
C103
0.001
C104
0.001
C120
0.1
R136
100K
C116
0.047
X101
4.19MHz
R135
330K
C117
39p
C118
39p
C121
0.001
S104
SQKYAB
S105 SQKYAB
S106 SQKYAB
C119
0.001
C122
0.001
C123
0.001
R120
330
R121
330
R128
7.5K
R129
15K
R130
30K
R131
62K
R132
120K
C105
0.001
C107
0.001
C109
0.001
C111
0.001
R138
- - -
R137
0
A0
1
A1
2
A2
3
VEE
4
SDA
5
SCL
6
TEST
7
Vcc
8
Q109
24WC04J
KEY A
PTT
KEY B
GND
PC-070 SW PCB
R117
10K
R116
10K
R114
10K
R113
10K
R112
10K
R110
10K
R109
10K
R115
5.1K
R111
5.1K
R108
5.1K
R107
5.1K
R106
5.1K
R105
10K
Q107
- - -
C115
- - -
R134
- - -
R119
10K
R103
5.1K
R104
5.1K
R133
220
4
3
2
1
Q101
SLM-020MLT
GND
GND
A4
A3
A2
A1
C1
C2
C3
C4
B1
B2
B3
B4
S108
TP70QF4161
R126
22K
L101
10uH(FSLM)
R101
100K
R102
33K
C101
CAP
C401
220p
2
1
3
Q401
KDS226
C402
47p
L401
- - -
C403
47p
Q402
BFQ67W
R402
3.9K
R401
1.5K
L402
22nH(1608)
R404
1K
C405
0.001
R405
330
L404
22nH(1608)
L403
18nH(1608)
L405
33nH(1608)
C407
2p
R407
220
C408
0.001
L406
2.2uH(1608)
C410
15p
C409
0.001
R408
1.5K
R409
100
G1
G2
R406
1K
R403
10K
C404
100p
XF402
XF401
21.7MHz(4pole)
C412
16p
R410
220
R411
470
R412
470K
Q405
KTC4080Y
C414
0.001
R413
2.2K
C413
0.01
C437
10p
L416
27nH(1608)
R423
10
C439
0.001
Q410
2SC3356(R24)
C441
10p
R424
10K
R425
4.7K
C440
1u
C438
0.01
C411
0.1
Q201
KRA226S
Q202
KRA226S
C201
0.001
C202
0.001
+
C203
47u/6V(5x5)
R201
4.7K
R202
0
C204
100p
Q205
KRA404
Vin
5
GND
2
Vout
1
NC
3
ON/OFF
4
Q208
S-814A50AUC-BD0
+
C212
47u/6V(5x5)
+
C213
22u/16V(5x5)
C211
0.1
1
7
SW201A
TP76N17N 10K-A
CN203
CONTACTER
CN204
CONTACTER
C215
0.001
Q210
1SR154-400
Q209
1SR154-400
R209
0.27 1/8W
C214
0.01
15
13
12
14
2
1
10
J201
HSJ1468-01-030
1
2
CN202
WC-013
1
2
CN201
53047-0210
C206
0.001
C205
0.001
C207
0.1
E201
CMP-4542
C208
0.001
R205
4.7K
Q207
KRA305
R206
4.7K
R207
10K
C209
1u
+
E202
NR04503N-01
R208
100K
C210
0.01
R204
680K
R203
470
Q206
UDZS5.1B
R707
10
C704
0.22
R703
1K
C701
0.01
R701
4.7K
R710
1K
R709
10K
R708
22K
+
C705
22u/16V(5x5)
C708
0.001
+
C706
220u/10V(8x5)
C707
0.001
C301
5p
Q301
BFQ67W
L301
18nH(1608)
R304
18K
R305
4.7K
C306
1p
C302
470p
R302
270
L302
220nH(LLQ1608)
R306
220
C308
5p
C311
6p
L304
18nH(LQN21A)
C310 5p
C313
1p
L303
270nH(LLQ1608)
C312
5p
C315
10p
Q308
1SV270
L305
270nH(LLQ1608)
Q307
KDS114
R308
10K
R307
10K
C316
220p
R311
47K
Q304
KTC4075Y
C309
0.01
+
C307
4.7u6V(T)
R303
4.7K
Q302
LL4148
Q309
KRC404
R301
100
C303
22p
SQ_MUTE
DEC
AUDIO_B
BEEP
TDC
SQL
TX MUTE
VOX
TX MUTE
TDC
PLL_DATA
EXT_PTT
S5C
PLL_CK
PLL_STB
R5C
AUDIO_B
SQ_MUTE
BEEP
DEC
T5C
PLL_LD
SQL
VOX
PLL_PS
PLL_CK
PLL_DATA
PLL_STB
S5C
T5C
R5C
EXT_PTT
6
2
4
SW201B
TP76N17N 10K-A
PC-4083
C442
0.1
R426
- - -
1
2
3
Q305
2SK508(K52)
Q203
KRA225S
1
2
3
4
5
Q204
KTC601E
1
2
3
4
5
Q703
KTC601E
R522
4.7K
NC
1
Vcc
2
NC
3
Vin
4
Ripple
5
NF
6
Phase
7
GND
8
GND
9
OUT
10
Q702
TA7368F
C703
100p
R706
150
+
C702
10u/16V(3x5)
C709
1u
Q110
KRC404
Q111
KRC404
3
1
2
Q506
SSM3K03FE
3
1
2
Q510
SSM3K03FE
2SK508
G
S
D
SSM3K03FE
G
S
D
R331
10
C113
0.01
R427
- - -
R139
22K
CTCSS
Q108
KRC404
13
12
14
Q507D
LM324MX
9
10
8
Q507C
LM324MX
C336
0.047
C337
390p
R336
100K
R337
100K
C338
0.01
R338
100K
CTCSS
6
5
7
Q507B
LM324MX
2
3
1
4
11
Q507A
LM324MX
C554
0.1
C553
0.01
R561
5.36K
R562
430K
J401
L413
0.3-1.2-5T(E2)
C428
7p
C430
5p
L414
0.3-1.2-5T(E2)
C429
- - -
C431
- - -
C427
100p
C432
6p
L407
0.3-1.2-5T(E2)
Q404
HVU131
C416
4p
C415
47p
R414
220
C417
2p
Q406
HVU131
L415
390nH(LLQ2012)
C433
100p
C418
100p
C419
4p
L408
0.3-1.0-3T(E2)
C420
4p
C421
27p
L409
0.3-1.3-7T(E2)
R415
470
C422
100p
C450
27p
R429
56
R430
33K
C446
100p
R431
10K
C453
- - -
C423
12p
C436
220p
C435
0.0033
+
C434
1u16V(T)
L417
0.3-1.3-7T(E2)
C454
330p
C451
0.022
R416
470
C424
100p
R441
100
R440
100K
R439
1K
C457
0.022
C458
- - -
L411
0.4-0.9-3T(E2)
C448
- - -
R417
0.1 (1/2W)
R418
220K1%
R419
220K1%
C443
0.001
R420
220K1%
C445
0.001
R422 220K1%
1
4
5
8
Q409
NJM2904V
R421
220K1%
R428
220K1%
R432
10K
R436
1M
C449
0.001
R434
100K
R433
27K
Q411
DTA144EE
R437
100K
R435
0
C447
0.001
Q408
DTC114EE
C444
0.001
R438
2.2K
Q414
DTC144EE
+
C456
6.8u6V(T)
C452
0.01
C455
0.01
PCB_L1
PCB_L2
PCB_L3
1
3
2
Q407
2SK3476
3
2
1
Q413
2SK3475
L412
0.3-1.0-5T(E2)
C426
- - -
C425
- - -
Q412
1SS356
C459
5p
R442
- - -
Q415
BFQ67W
L418
18nH(1608)
R444
15K
R445
4.7K
C460
5p
R443
47
C461
0.001
3
2
1
4
6
5
CN101
2
5
SAW401
KF448AV
2
5
SAW402
KF448AV
Q701
2SA1362GR
R702
47K
2
1
3
4
Q403
3SK240
C406
6p
PLL_PS
R539
820K
R540
100K
TP2
RV503
10K.B
C331
1u
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
Q303
MB15E03SL
R322 22K
R323 22K
R324 22K
R325 22K
C321
100p
C322
100p
C323
100p
C325
100p
R326
56K
R327
56K
R328
56K
R339
56K
R315
10K
Q314
KRA305
Q313
KRC404
R320
100K
PLL_LD
C335
470p
C304
470p
C305
1u
C324
22pUJ
CV301
20p.T
X301
21.25MHz
C326
0.01
Q310
1SV217
R333
100K
R329
22K
C327
15p
R332
10K
C328
220p
Q311
KTC4075Y
R314
220K
R316
150K
R319
39K
R318
10K.TH
C329
33pUJ
R330
10K
C334
470p
C339
2.2u
C332
0.1
Q312
HZK2ALL
R321
0
C333
- - -
R313
4.7K
+
C320 1u16V(T)
R317
1K
C319
0.1
C340
5p
RV101
47K.B
R335
22K
R334
100K
C330
4.7u(2125)
C344
470p
R312
1K
C318
0.1
R310
100K
TP1
R529
- - -
R528
- - -
C341
0.5p
C342
1p
Q315
1SV270
R309
10K
C343
470p
C314
7p
R340
470K
R341
47K
C537
1u
C536
1u
2
1
3
Q501
DA204U
2
1
3
Q502
DA204U
CV302
10p.T
1
2
3
4
5
Q316
BU4S66
2
1
CN102
L410
0
+
C112
22u6V(T)
1
2
3
Q509
1SS372
SECTION 9 CIRCUIT DIAGRAM
9-1 MAIN PCB
32
Содержание PMR-446
Страница 1: ...service manual PMR 446 Radio TX 446 TTI Tech...
Страница 26: ...Parts Placement TX 446 SW PCB Top side Date MAR 26 2002 7 2 SWITCH PCB 25 Top side...
Страница 27: ...Date MAR 26 2003 Parts Placement TX 446 SW PCB Bottom side 26 Bottom side...
Страница 28: ...Parts Placement TX 446 BATT PCB A Top side Date MAR 26 2003 7 3 BATTERY PCB 27 A Top side...
Страница 29: ...CB101 WB104 WB103 Parts Placement TX 446 BATT PCB A Bottom side Date MAR 26 2003 28 A Bottom side...
Страница 30: ...Parts Placement TX 446 BATT PCB B Top side Date MAR 26 2003 29 B Top side...
Страница 31: ...WB105 WB102 RB101 Parts Placement TX 446 BATT PCB B Bottom side Date MAR 26 2003 30 B Bottom side...