Tm-610 Uhf/Vhf Schematic Diagram (Display Unit) - HYT TM-610 Service Manual

TM-610 UHF/VHF Schematic Diagram (Display Unit)

R341
100
1.2K
k301
VI
2
VO
15K
J301
R301
330
FP101
Q305
0.5A
3
2
1
HSB321
Q306
3
NC
2
1
HSB321
L301 0.22u
L302 0.22u
5c
0
J302
32PIN
TM-610 UHF/VHF 原理图 (显示单元)
TM-610 UHF/VHF 原理图 ( 显示单元 )
LED306 LED307 LED308
LED309 LED310 LED311
Q301
DTC114EE
R304
10K
S301 P1
S302
1 P2 2
1 2
S303
P3
S304 P4
S305 UP
DOWN
S306
ON/OFF
S307
GND
5c
5C
D303
C302
R306
27
470P
HSB123
C301
LED301
470P
LED
Q302
2SB1132 R310 R311
120 120
LED302
Q304
Q303
DTC114EE DTC114EE
LED303
R307 R308
LED304 18K
3.9K
C304
470P
R342
10K
0
GND
101
LCD301
V
37 C2 A
LO
C2
38 C1
C1
L303
S601
1
n.c.
2
S34
3
S35
4
S36
5
S37
6
S38
R313 7
S39
18K
8
n.c.
9
n.c.
10
SDA
R315 R316 11
SCL
1.5K 1.5K
12
SYNC
13
CLK
14
VDD
15
OSC
16
A0
SCN C3 36
C3
C4 35
C4
48
n.c.
47 S18
S17
46 S17
S16
45 S16
S15
44 S15
S14
IC301 43 S14
S13
42 S13
S12
41 S12
S11
PCF8576DH 40 S11
S10
39 S10
S9
38 S09
S8
37 S08
S7
36 S07
S6
35 S06
S5
34 S05
S4
33
n.c.