![HYT TC-508 Service Manual Download Page 95](http://html.mh-extra.com/html/hyt/tc-508/tc-508_service-manual_2194419095.webp)
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
TC-508 U(2) (450MHZ-470MHZ)
原理图
(MCU&POWER)
VCC
V_BAT
VCC
VDD
V_SAVE
VR
VT
V_BAT
VCC
VCC
V_BAT
VCC
V_BAT
VCC
VCC
5V
5V
BUSY
R/T
CK
QT_OUT
LE
DATA
VOX
MOD
QT_MOD
QT_MOD
APC
LD
VOX
VSAVE
AF
QT_AF
W/N
RX_MT
RX_MT
C630
1u
C630
1u
C619
10U/10V
C619
10U/10V
C331
1000P
C331
1000P
Q202
2SK1824
Q202
2SK1824
2
3
1
C612
0.01u
C612
0.01u
C638
15p
C638
15p
R602
220k
R602
220k
TP106
TXD
TP106
TXD
1
U302
TDA2822D
U302
TDA2822D
O1
1
VCC
2
O2
3
GND
4
2IN-
5
2IN+
6
IN+
7
IN-
8
C623
470p
C623
470p
C675
4700P
C675
4700P
R691
1k
R691
1k
R324
NC
R324
NC
R203
3.3k
R203
3.3k
D302
NC
D302
NC
1
2
D609
EDZTE616.8B
D609
EDZTE616.8B
1
2
C622
470p
C622
470p
R632
120K
R632
120K
C639
15p
C639
15p
C218
1u
C218
1u
D303
NC
D303
NC
1
2
S201
SW-VOLUME
S201
SW-VOLUME
1
2
3
4
5
C616
1000p
C616
1000p
Q201
2SA1832
Q201
2SA1832
1
2
3
C636
470p
C636
470p
R625
470
R625
470
C322
0.01U
C322
0.01U
R202
2.2K
R202
2.2K
R215
22k
R215
22k
C670
0.1u
C670
0.1u
R615
56K
R615
56K
1
C
C
4
2
8
SW606
SW_channel
1
C
C
4
2
8
SW606
SW_channel
1
2
3
4
5
6
R630
NC
R630
NC
TP108
SPK+
TP108
SPK+
1
R695
nc
R695
nc
C668
0.1u
C668
0.1u
R624
47k
R624
47k
C216
1000p
C216
1000p
U603
AT24C16
U603
AT24C16
1 2 3 4
DAT
CLK
7
8
R607
8.2K
R607
8.2K
C637
0.01u
C637
0.01u
L607
601s
L607
601s
C632
470p
C632
470p
D601
GREEN
D601
GREEN
1
2
D301
NC
D301
NC
1
2
C203
100P
C203
100P
C617
0.01u
C617
0.01u
R622
NC
R622
NC
R316
NC
R316
NC
C201
4.7u/10V
C201
4.7u/10V
TP107
RXD
TP107
RXD
1
D613
NC
D613
NC
1
2
C673
470p
C673
470p
C208
0.22u
C208
0.22u
C626
470p
C626
470p
R310
2.2K
R310
2.2K
R643
4.3K
R643
4.3K
C659
0.1u
C659
0.1u
R222
0
R222
0
C640
1000P
C640
1000P
R313
1K
R313
1K
D602
RED
D602
RED
1
2
R320
47k
R320
47k
C618
1u
C618
1u
C204
4700P
C204
4700P
C671
0.22u
C671
0.22u
C209
470p
C209
470p
R690
1k
R690
1k
R610
47k
R610
47k
R318
4.7
R318
4.7
R608
4.7k
R608
4.7k
C325
NC
C325
NC
R621
1k
R621
1k
R614
100
R614
100
U605
R3112Q271A
U605
R3112Q271A
VDD
1
GND
2
CD
3
OUT
4
C648
0.01u
C648
0.01u
C656
470p
C656
470p
U602
RT9011J6
U602
RT9011J6
VOUT2
1
GND
2
EN2
3
EN1
4
VIN
5
VOUT1
6
C205
4700P
C205
4700P
U604
XC6201P502PR
U604
XC6201P502PR
Vout
VSS
Vin
C655
470p
C655
470p
R647
91k
R647
91k
L608
601s
L608
601s
C614
2.2uF
C614
2.2uF
C647
4700p
C647
4700p
C634
1u
C634
1u
C613
1000p
C613
1000p
C321
1u
C321
1u
C326
0.1U
C326
0.1U
C330
470P
C330
470P
C332
470p
C332
470p
C605
1000P
C605
1000P
C663
0.01u
C663
0.01u
R311
4.7K
R311
4.7K
C207
0.047u
C207
0.047u
X601
SSP-T7-F
X601
SSP-T7-F
1
2
3
4
D201
NC
D201
NC
1
2
J3
PJ-D3027D
J3
PJ-D3027D
1
5
2
4
3
TP104
PTT
TP104
PTT
1
R684
1K
R684
1K
R649
220k
R649
220k
R312
47K
R312
47K
C615
2.2uF
C615
2.2uF
C628
1u
C628
1u
R214
1k
R214
1k
C220
0.1u
C220
0.1u
C674
470p
C674
470p
TP101
SK2
TP101
SK2
1
R648
510R
R648
510R
R696
1k
R696
1k
R611
47k
R611
47k
R204
3.3k
R204
3.3k
C333
0.22U
C333
0.22U
R603
100k
R603
100k
C643
0.1u
C643
0.1u
L606
601s
L606
601s
R326
0R
R326
0R
C649
0.01u
C649
0.01u
C329
22U
C329
22U
C662
470p
C662
470p
TP110
SK1
TP110
SK1
1
C625
470p
C625
470p
R619
47
R619
47
R613
47K
R613
47K
R219
10k
R219
10k
C642
0.022u
C642
0.022u
R317
NC
R317
NC
Q604
2SJ243
Q604
2SJ243
2
3
1
R646
680
R646
680
R633
4.7k
R633
4.7k
R650
1k
R650
1k
R612
47k
R612
47k
R617
10k
R617
10k
R217
47k
R217
47k
D616
RB706F-40
D616
RB706F-40
1
2
3
R327
1K
R327
1K
B201
MIC
B201
MIC
+
1
-
2
R629
NC
R629
NC
C660
1u
C660
1u
TP113
LD
TP113
LD
1
Q303
FMMT717
Q303
FMMT717
1
2
3
D615
NC
D615
NC
1
2
R319
1K
R319
1K
TP103
PTT
TP103
PTT
1
C621
1u
C621
1u
TP112
GND
TP112
GND
1
R206
12k
R206
12k
R325
390K
R325
390K
Q305
DTC114EE
Q305
DTC114EE
3
1
2
C606
0.1U
C606
0.1U
R693
1k
R693
1k
R315
10
R315
10
C323
10U/16V
C323
10U/16V
TP102
SK1
TP102
SK1
1
C688
68p
C688
68p
C665
470p
C665
470p
C314
100p
C314
100p
R208
10k
R208
10k
C206
4.7u/10V
C206
4.7u/10V
C202
100P
C202
100P
C661
470p
C661
470p
Q611
2SC5343E
Q611
2SC5343E
1
3
2
U606
XC6401FF55MRN
U606
XC6401FF55MRN
Vin
2
EN1
1
EN2
3
Vout1
6
Vout2
4
VSS
5
C664
470p
C664
470p
R626
1K
R626
1K
C217
0.1u
C217
0.1u
R218
1M
R218
1M
L602
601s
L602
601s
R652
510R
R652
510R
R618
47
R618
47
R616
10k
R616
10k
R620
47k
R620
47k
R314
10k
R314
10k
C624
470p
C624
470p
C611
22U/10V
C611
22U/10V
R321
NC
R321
NC
D614
NC
D614
NC
1
2
C324
NC
C324
NC
R651
22
R651
22
R213
100k
R213
100k
C609
1u
C609
1u
D605
NC
D605
NC
1
2
C644
470p
C644
470p
Q304
2SK1824
Q304
2SK1824
2
3
1
U601
SRT3210
U601
SRT3210
1
2
3
4
5
TXD
RXD
APA_EN
SAVE
EXT MIC
EXT PTT
RLED
GL
ED
14
15
VSSD
VDDD
18
19
20
SK2
VDD_CLD
AF_OUT
VSS_CLD
AF_OUTM
VDD_CLD1
31
APC
VREF
QT_OUT
VOX
VSSA
VDDA
38
SQL
BAT
XTAL0
XTAL1
PLL_CAP
44
45
46
47
48
TG11
TG1
TG2 52 53 54 55 56 57 58 59 60 EN0 EN1 EN2 EN3 65 66 67 68 69 70 71 72 73 74 75
76
77
78
79
80
81
82
SCL
SDA
W/N
LE
DATA
CK
VSSD1
VDDD1
R/T
TX_CTL
RESET
VSSA1
VDDA1
BG_REF
MICIN
DEMOD
MOD_OUT
100
SK1
PTT
24
25
R205
47k
R205
47k
C651
4.7u/16V
C651
4.7u/16V
C334
0.1u
C334
0.1u
TP109
SPK-
TP109
SPK-
1
C635
0.01u
C635
0.01u
C335
NC
C335
NC
R604
100
R604
100
R697
1k
R697
1k
R332
NC
R332
NC
R644
1K
R644
1K
R323
10
R323
10
R692
1k
R692
1k
C669
470p
C669
470p
TP111
SK2
TP111
SK2
1
C672
0.47u
C672
0.47u
D606
NC
D606
NC
1
2
D655
UDZS10B
D655
UDZS10B
1
2
R683
1K
R683
1K
C629
100p
C629
100p
MICJACK
MICJACK
2
4
3
1
R609
1K
R609
1K
Q302
DTC114EE
Q302
DTC114EE
3
1
2
L201
1uH
L201
1uH
C328
1000P
C328
1000P
C627
1u
C627
1u
R216
2.2k
R216
2.2k
C219
1000P
C219
1000P
R698
1k
R698
1k
G1
7.5V
G1
7.5V
1
2
U609
NC
U609
NC
OSC1
1
DATE
2
CLK
3
VDD
4
DAC
12
VDD
13
OSC2
5
BUSY
6
RST
7
VDD
14
GND
9
VDD
8
GND
11
D608
NC
D608
NC
1
2
R224
12k
R224
12k
C607
470p
C607
470p
C327
0.1U
C327
0.1U
C633
470p
C633
470p
R211
1K
R211
1K
R322
1K
R322
1K
R201
220
R201
220
C604
2.2uF
C604
2.2uF
R605
100
R605
100
C650
NC
C650
NC
R623
100
R623
100
Summary of Contents for TC-508
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Page 88: ...TC 508 Service Manual 86 Packing Guide ...
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