HYT TC-268, Руководство по обслуживанию

Страница: 77 / 78

1
2
3
5
4
NC
SUB
GND
VCC
OUT
PST9140NR
IC400
1 OUT
VDD
GND
NC
NC
IC402
RN5VL45C
1
2
3
4
5
VIN
RIP
NF VCC
PRE
6
7
8
PHA
POUT
PW
IC401
AT240810S12.5
R401
100k
R404
0
R
40
0
33
0k
C
40
0
0.
1u
C
40
3
47
0p
C
40
4
47
0p
R405
1k
R1
1k
CP1
1k*4
(4)
(1)
(2)
(3)
9
10
D
A
T
A
G
N
D
6 7 8
L
E
L
D
11
F
C
D
O
12 13 14 15 16
5 4 3 2 1
X
IN
N
C
X
O
U
T
V
P
V
C
C
B
IS
W
F
O
U
T
P N
C
R
17 18 19 20
N
C
F
IN
C
L
O
C
K
N
C
IC1
MB1511
C
2
10
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6.
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R
11
47
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R
12
39
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VR1
68k
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41
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47
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4.7k
120k(D)
390k(D)
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3.3k
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IC300
NJM2902
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20
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30
8
PTT
S402
MONI
S403
AUDIO VOLUM
POWER SWITCH
CHANNEL SWITCH
4
7
5
9
10
10
1
RF AMP
ANTENNA SW
R221
1k
MIXER
L201
560n
L
20
0
33
0n
1stIF38.85MHz
2nd Local
DC SW
AUDIO AMP
ACTIVE FILTER
Q300
2SC4617(S)
AUDIO MUTE SW
(2)
(1)
AUDIO AMP
AUDIO MUTE SW
Q105
Q109
L
E
D
T
X
L
E
D
B
U
SY
(TP1)
R413
1k
7.2V
7.5V
4.8V
7.3V
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T:1V
R:4.3V
T:0V
3.8V
5V
4V
5V
4.9V
T:2.4V
R:2.3V
CN500
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
M38034M4
MICRO PROCESSOR
2T
N
A
P
C
V
C
C
V
R
E
F
A
V
S
S
T
IB
I
U
L
BEEP
P
A
B
C
S
H
IF
T
TI
BUSY
BATT
V
C
2
W
N
R
C
V
C
1
W
N
T
C
TO
PTT
TXD
RXD
MONI
S
C
L
S
D
A
V
S
S
X
O
U
T
X
IN
R
S
T
IN
T
O
ENC0
ENC1
ENC2
ENC3
S
E
L
F
DT
CK
LE
5MC
AFCO
RX
GLED
RLED
SAVE
MUTE
5RC
5TC
IC403
M38034
HYT
SHENZHEN HYT SCIENCE&TECHNOLOGY
CO.,LTD
Title:
DR:
02/08/20
File:
CHKD: Date Sheet
R701
10K
00
R702
10K
APPD:
R703
1K
VER
C701
3900p
C702
0.033u
C703
0.01u
C704
6800p
18004700
4 5
8 1
TA75W01FU
IC8
1
R601
10K
R602 680K
R603
10K
R
60
4
5.
6K
R
60
5
10
K
R606
47K
R607
39K
R608
1K
R600
47K
C
60
0
0.
1u
REV
C602
1000P
POSTION
C603
0.1u
DESCRIPTION
C604
0.012u
UPDATA
C605
100P
DATE
C606
0.012u
TC368S 原理图
C601
4.7u
R:2.26V AUDIO
AMP ACTIVE
FILTER
C
59
0.
1u
R548
3.3K
Q303
C
22
7
C
25
9
*
*
C
23
6
C
25
5
*
C235
C151 C154
L114 L113
C
15
0
C
15
3
C
15
5
C
14
2
C
14
8
C138
C
14
0
R127
L120
L119
R23
400-420MHZ 450-470MHZ
5.6K 6.8K
R24 4.7K 8.2K
R25 150 100
R27 270 330
R35
330
C57
470p
C58
0.1u
R117 8.2K 6.8K
*
R
12
5
R125 47K 22K
R127 / 0
R220
220 120
R232
220 150
0
TP
R
23
3
R310
*
*
R504
R505
R506
100K /
68K
12K
C
24
1
*
D204 HVC350B
/
*
C36
C37
C38
C39
C44
C41
C42
10P 12P
30P 33P
6P 5P
*
10P 8P
5P 6P
12P 10P
6P
3P
C45 10P 4P
C136 7P 8P
C138 470P 100P
C140 8P 4P
C142
C150
5P
3P
C
14
7
C147
C148
1.5P
1P
1P /
4P 5P
C151
C222
C153
C154
C155
C227
2P 1.5P
4P 3P
2P 1P
1.5P /
6P 8P
18P 5P
C239
C241
C252
C255
C259
C260
C261
6P 3P
7P 1.5P
6P
1.5P
7P 4P
3P
4P
/
/
*
C
26
1
*
120K 150K
10K 22K
R518
L13
L14
L18
L113
L114
L119
L120
D5
27N
27N
23N
23N
/ 47N
5T 4T
4T 3T
3.3N 2.2N
2.7N /
1SV214 MA360
*
TC1 10P 6P
Q203
47
0p
R229
100k
R
23
4
68
k
1000p
C251
10
0k
56
k
56
k
10
0k
R
23
5
R236
R
23
7
R238
?
R
39
9*
C398
0.1u
1
2
3
4
5
VIN
RIP
NF VCC
PRE
6
7
8
PHA
POUT
PW
IC302
KIA6278F
15
u
C
39
9
R
33
2
15
u
C
33
1
47
0p
C
24
2
470p
C243
47
k
R
20
5
D202 D204
R
21
5
L
10
3
L
10
5
L
10
7
L501
D8
C429
R
42
3
C
31
8
R415
C
22
2
*
R
50
4
XF201
CF200
MIC1
CN1
L1
Q405
L502
C
36
R
42
1
R215
R219 3.3K 33K
R503 12K
39K
R507 6.8K 47K
R513 47K 33K
10K 6.8K
C47
C226
C238
C40
C228
0.5P 0.75P
4P 1P
C105 8P 6P
C118 22P
/
C119A / 33P
C130 27P 22P
0.5P 0.3P
20P 8P
0.5P 0.3P
1.5P 8P
L206 39N 47N
L207 39N 47N
L211 3T 4T
Q107A / 39P
*
C
11
9A
*
Q
10
7A
TC368 Schematic Diagram
PDF created with pdfFactory trial version www.pdffactory.com