HYT TC-618, Service Manual

Page: 106 / 110

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
VCC_5V
VCC_5V
V_BAT
VCC_5V
VCC_5V
V_SAVE
V_SAVE
IF_IN
AFMOD
VOXDET
QT_IN
BEEP
DATA
CLK
EN
QT_OUT
W/N
CP
PLL_IN
LD
BUSY
SAVE
VBAT
EXPTT
MIC_EN
TXD
RXD
SPV_C
PLLEN
PLLDATA
PLLCLK
TC-618/626 UHF Schematic Diagram (AF&IF&PLL)
6P
C515
0.1U
4P
NC
0.33U NC
C121 C528
0.33U
C534
15P
470P
7P
C205
4P 47P
C503
0.022U
NC 15P
15P
0.068U
NC
C233
1500P
6P
7P
0.1U
C519
NC
6800P
6P 2200P
C502
NC
12P 5P
7P
C400
0.5P
7P
C407
6P
0.1U 0.5P 0.1U 15P
C111
47P 12P
C110
6P 9P
C526
4P 10P
12P
6P
11P
NC
C402 C510
7P
47P
C516
470P
7P
C102
NC
7P
7P
TC-618/626 U(1)(400-420MHz)
TC-618 U(9)(450-480MHz)
TC-626 U(8)(420-470MHz)
C692
1U
C692
1U
R248*
0
R248*
0
J3
PHONEJACK
J3
PHONEJACK
2
4
3
1
R225
150K
R225
150K
R224
18K
R224
18K
D230
NC D230
NC
Q202
2SA1832 Q202
2SA1832
1
2 3
C322
10P
C322
10P
R223
390K
R223
390K
R307
47K
R307
47K
R230*
3.3K
R230*
3.3K
CD300
JTBM450C24
CD300
JTBM450C24
1
2
R316
180K
R316
180K
C235
1800P
C235
1800P
Q201
2SK1824 Q201
2SK1824
2
3
1
C340
68P
C340
68P
R216
27K
R216
27K
C327
NC
C327
NC
C250
1000P
C250
1000P
R710
0
R710
0
R13*
0
R13*
0
C309
1U
C309
1U
C215*
0.022u
C215*
0.022u
VR200
68K
VR200
68K
1
3
2
C234
390P C234
390P
C330
0.1U C330
0.1U
D250
EDZ6.8B
D250
EDZ6.8B
TP200 TP200
C204
1000P
C204
1000P
L304
560NH
L304
560NH
R231*
4.7K
R231*
4.7K
Q204
DTC114EE
Q204
DTC114EE
3
1
2
C220
68P
C220
68P
C225
0.047u
C225
0.047u
Q656
2SC4738F
Q656
2SC4738F
R249
4.7 R249
4.7
R314 12K R314 12K
Speaker Speaker
+
1
-
2
L306
330NH
L306
330NH
C319
NC
C319
NC
D200
EDZ6.8B
D200
EDZ6.8B
R208
100K R208
100K
R215
NC
R215
NC
R705
820K R705
820K
Q655
2SA1832 Q655
2SA1832
C303 100P C303 100P
C304 100P C304 100P
Q105
2SC5108
Q105
2SC5108
C302
2.2U/10V
C302
2.2U/10V
C251
22U
C251
22U
U200 AN29160AA U200 AN29160AA
VMC
U
6
VR
X
7
VTX
8
V
CC1
9
VVC
O
10
VIC
11
XI
12
XO
13
1/
4X
O
14
CP
16
GND
15
VSS
17
P
LLI
N
18
LD
19
ND
20
IFIN
21
SAVE
22
MIXO
23
IFR
E
F
24
IF2
IN
25
RE
F
26
RS
S
I
27
TAN
K
28
EN
5
DA
T
A
4
CLK
3
VR
EF
2
VC
C
1
FMO
29
NF
IN
30
ZAP
31
NF
O
32
LP
F
33
LP
O
34
LP
I
35
LP
O2
36
BR
EF
37
VO
X
38
BG
R
39
MIC
I
40
MIC
O
41
GND1
42
MIC
M
43
HF
I
44
HF
O
45
HF
2I
46
HF
2O
47
AFM
48
TON
E
49
MOD
I
50
MOD
O
51
VO
L
52
SPI
53
SP+
54
GND2
55
SP-
56
C214*
NC
C214*
NC
R204 470 R204 470
R205
47K
R205
47K
R217
390K
R217
390K
C257
0.1U
C257
0.1U
C219
68P
C219
68P
mic
X1
mic
X1
-
2
+
1
C308
1U
C308
1U
R202 100 R202 100
C231
0.1U C231
0.1U
C240
0.1U
C240
0.1U
R206 1K R206 1K
R218
30K
R218
30K
R301
10K
R301
10K
C315
0.1U
C315
0.1U
R251
1M R251
1M
R244
0
R244
0
C256
0.1U C256
0.1U
R250
1K
R250
1K
C202
0.47U
C202
0.47U
C305 100P C305 100P
C249
0.1U C249
0.1U
C223
0.047U
C223
0.047U
C342
470P
C342
470P
RN1 1K*4 RN1 1K*4
1
2
3
4
5
6
7
8
L200 1UH L200 1UH
C325
0.1U C325
0.1U
C254
1000P
C254
1000P
C307
1U
C307
1U
R239*
18K
R239*
18K
C274
0.01U
C274
0.01U
R207
56K
R207
56K
R706
820K R706
820K
C324
0.1U
C324
0.1U
R302
10K
R302
10K
C316
470p C316
470p
R236*
3.3K
R236*
3.3K
R210*
15K R210*
15K
R219*
56K R219*
56K
C226
1U C226
1U
C337 470P C337 470P
L303
330NH
L303
330NH
C341
1000 P C341
1000 P
C217
0.1U C217
0.1U
R247
10
R247
10
U201
TDA2822D
U201
TDA2822D
O1
1
VCC
2
O2
3
GND
4
2IN-
5
2IN+
6
IN+
7
IN-
8
D210
EDZ6.8B
D210
EDZ6.8B
R229*
120K R229*
120K
C255
0.1U C255
0.1U
R237
47K R237
47K
C343
56P
C343
56P
C259
0.01U
C259
0.01U
C238
0.012U
C238
0.012U
C252
10U/16V
C252
10U/16V
Q300
DTA114EE
Q300
DTA114EE
3 1
2
C323 1000P C323 1000P
C601
470p C601
470p
R246 1K R246 1K
R304
47K
R304
47K
C320 1000P C320 1000P
C224
1500P
C224
1500P
VCONT
GND
OUT VCC
X300
12.8MHz
VCONT
GND
OUT VCC
X300
12.8MHz
1 2
3 4
5
6
7
8
R200
470 R200
470
C260
220P
C260
220P
R315 12K R315 12K
C326
0.1U
C326
0.1U
C695
4.7U/16V C695
4.7U/16V
C248
1000p
C248
1000p
C344
NC
C344
NC
C253
0.1U
C253
0.1U
L300
1UH L300
1UH
D231
NC
D231
NC
R309
1K R309
1K
D220
EDZ6.8B
D220
EDZ6.8B
C321
10P
C321
10P
C221
68P
C221
68P
C247
1K C247
1K
R227
390K R227
390K
C329
0.1U
C329
0.1U
C339
56P
C339
56P
R240*
820K R240*
820K
R233
18K R233
18K
C335
470P
C335
470P
C205*
0.1U
C205*
0.1U
C272
0.1U
C272
0.1U
C227
0.068u
C227
0.068u
L202
0
L202
0
R308
0
R308
0
C244*
5600P
C244*
5600P
G1
7.5V
G1
7.5V
1
2
C207*
0.018U
C207*
0.018U
R228
1.8M
R228
1.8M
L301
1UH
L301
1UH
L308
1UH
L308
1UH
R212
10K
R212
10K
R311
100k
R311
100k
R300
10K
R300
10K
C334
100P
C334
100P
R234*
8.2K R234*
8.2K
L307
1UH
L307
1UH
C201
470P C201
470P
C230
1u C230
1u
C275
220P
C275
220P
C696
4.7U/16V C696
4.7U/16V
R245
47K
R245
47K
C206*
820P
C206*
820P
J4
MICJACK
J4
MICJACK
2
4
3
1
R317
0
R317
0
Q203
2SK1824 Q203
2SK1824
G
2
D
3
S
1
R306
150K
R306
150K
C243
2200P
C243
2200P
C328
NC
C328
NC
R312
3.3k
R312
3.3k
R214
22k R214
22k
R220
0.047u
R220
0.047u
D300
NC
D300
NC
R256* 10K R256* 10K
R14*
NC R14*
NC
C233*
1500P C233*
1500P
L305
3.3UH
L305
3.3UH
C232
0.047U
C232
0.047U
C203* 0.22u C203* 0.22u
C306
1U
C306
1U
C245*
22P
C245*
22P
C229
10u/10V
C229
10u/10V
C241
1U
C241
1U
VR300
68K
VR300
68K
1
3
2
R704
0
R704
0
C311
0.01U
C311
0.01U
R241
10
R241
10
R203
4.7K
R203
4.7K
R201
2.2K R201
2.2K
R303
1.8K
R303
1.8K
Q205
FMMT717 Q205
FMMT717
C280
47P
C280
47P
R213
10k
R213
10k
C317
47K
C317
47K
R305
47K R305
47K
C218
1U C218
1U
C332
0.1U
C332
0.1U
C222
0
C222
0
R313 12K R313 12K
U202
TB31202FNG U202
TB31202FNG
FIN
1
1
VC
C
2
CP
1
3
GND
4
LD
5
CK
6
DA
T
A
7
STB
8
BO
9
XO
U
T
10
XIN
11
SW
12
GND
13
CP
2
14
VC
C
15
FIN
2
16
R232
820K
R232
820K
R242*
4.7K
R242*
4.7K
C338
NC C338
NC
R708
100K
R708
100K
C312
15U/6.3V
C312
15U/6.3V
C246
1U
C246
1U
C200
4.7u/10V
C200
4.7u/10V
R707
100K
R707
100K
SW3
VOL
SW3
VOL
1 2
3
4 5
R221
22K
R221
22K
C301
1U
C301
1U
R226
36K
R226
36K
D651
RB706F-40
D651
RB706F-40
1
2
3
C216 1U C216 1U
R255
4.7
R255
4.7
R243
10
R243
10
R310 1k R310 1k
R222
12K
R222
12K
C242
1U C242
1U
C212
0.1U
C212
0.1U
C258
2200P C258
2200P
C300
0.01U
C300
0.01U
C333
0.1U
C333
0.1U
C237
0.01U C237
0.01U
C331
0.1U
C331
0.1U
R235* 2.2K R235* 2.2K
R709
220
R709
220
R211
560K
R211
560K
C228
390P
C228
390P
CF300
LTM450GW
CF300
LTM450GW
C239
6800p
C239
6800p
C236*
0.056U
C236*
0.056U R238*
180K R238*
180K
C318
1U C318
1U
C213
1U C213
1U
C310
1U C310
1U