A
B
C
D
E
DEL R10, R11, D1 AND D2 IF USE U2
LCD1
+3V
+3V
4 4
COM120COM2
19
SEG1818SEG1717SEG1616SEG1515SEG1414SEG1313SEG1212SEG1111SEG10
10
SEG99SEG88SEG77SEG66SEG5
5
SEG44SEG33SEG2
2
SEG1
1
R14
300
LED
LED1
R10
100
D2
4148
D1
4148
SHORT JP6 IF NO EXTERNAL SENSOR
OPTION
U2
2
VDD
1
RST
3
GND
BATLO OPT.2
R11
1K
3 3
R16/JP3
FOR LCD
CONTRAST
CONTROL
ONLY
51504948474645444342414039383736353433
52
53
54
55
56
57
58
59
60
61
62
63
64
U1
32
31
30
29
28
27
26
25
24
23
22
21
20
DISCH
RT2
DO NOT INSTALL HS1/R6 IF NO HUMIDITY OPTION
NOT EXT SENSOR
JP6
PH1
PH2
PH4
R20
1M
C4
10%
X7R
OPTIONAL
R6
750K
R3
50K
1%
1%
R4
10K
0.22u
RH
RS
S1
SET
S2
C/F
HS2
RT1
PH1
PH2
PH4
PH1
PH3
HS1
HS2
R12
1M 1%
TH1
t
HS1
OPTION
HS1
PH3
2 2
R16
JP3
Short SDAT & S CLK after programmed
47
R9
C6
0.1U
+3V
FB1
FB
1 1
BT1
BATTERY
123456789
SDAT
SCLK
VDD
VPP
10K
RF3V
R1
101112131415161718
R2
47K
Y1
32KHz
C2
22P
NPO
22P
NPO
C3
19
JP4
3/4CHN
C5
0.1u
RESET
DATA
JP10
-50C
L1
PCB
JP9
0.5%
JP9 ~ JP1 0 can be bonding option
Xin YeYang Plastic products Co., LTD
EXTERNAL PROBE
TH2
t
5MM PHONE PLUG
OPTION
J1
5MM PHONEJACK
P1
GND
Title
THERMO XMIT USING CPU350
RT301A4C-1.SCH
Size Document Number Rev
Custom
A
B
C
Date: Sheet of
Saturday, July 09, 2005
D
RT301A4C-1.SCH
1 1
E
A
ABBCCDD
RF3V
A
4 4
C16
0.01U
C18
20P
NPO
KST10
3 3
433.92MHz
Y2
R16
4.7K
C19
100P
R15
8.2K
Q2
R21
10
L2
2.5T
R17
68
C14
8.2P
NPO
C15
2.7P
NPO
C9
2.2P
NPO
Magnetic bead coil
C7
R19
8.2K
R18
15K
100P
L4
4.5T
L3 5.5T
Q3
KST10
R20
24
C10
0.5P
NPO
C13
20P
NPO
C17
0.01U
C11
20P
NPO
C12
2.7P
NPO
C8
0.5P
NPO
C20
2~5P
NPO
ANT
PRINTED
ON P.C.B
2 2
DATA
GND
1 1
XinYeYang Plastic products Co., LTD
THERMO TRANSMITTER RT301
RT301B3 PCB A
A4
Friday, May 31, 2002
1 1
RM1XA4B.SCH
Title
Size Document Number Rev
Date: Sheet of
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