Vitek VT-1948 Circuit diagrams
4321
D
C
B
A
DC(AC)1
DC(INPUT)1
COOL
2
3
LED12
RED
SW1
POWER
+12V
2S9013
+12V
VCC
D1
6
5
4
JH3001
JK1
JK3
JH3001
Q8
LED11
3
GRE
R37
1K2
+12V
Q6
2S9013
1 2 3 4
1N4004
D2
1N4004
VCC
D5
1N4148
R16
4K7
4
D3
2W06G
2
JK2
JH3001 D4
VCC
1N4148
R9
R21
1K2
CN10
FAN1
C1
C4
470uF/25V
104
COOL
CN6
FAN
1
3K
HEAT
Q2
2S9015
Q3
2S9015
Q4
2S9015
2S9013
Q5
R6
R1
680R
C5
100uF/16V
BUZ1
+
C8
102
R32
1M
51R
5.6V0.5W
R10
R11
R12
R33
47R
XL1
4M
R13
DW1
4K7
4K7
4K7
Q1
2SS8050
LED1-P
LED2
LED2-P
LED1
LED3-P
VCC
4K7
OSC1
OSC2
+5V
LED3
+5V
+5V
BUZ
C6
104*C2104
HP
DEC
AP
FP
LED2-P
GP
HP
LED3-P
AP
FP
AP
BP
CP
DP
EP
FP
GP
HP
DATA
CLK
+5V
CLK
R39
+5V
C7
C9
100uF/16V
100uF/16V
LEDS1
1
G
2
DP
3
A
4
F
5
Led2
LEDS2
1
G
2
F
3
COM
4
E
D5CP
R22
R23
R24
R25
R26
R27
R28
R29
1
2
8
9
1.5K
R7
3K
MG245A-C
Led1
A
B
COM
C
A
B
CLK
MR
14
VCC
GND
7
B
C
E
D
220R
220R
220R
220R
220R
220R
220R
220R
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
74HC164
C10
C11
104
104
LED1-P
10
BP
9
CP
8
EP
7
DP
6
10
9
8
LED3-P
7
6
3
4
5
6
10
11
12
13
U3
DOOR
LED2
LED3
LED1
CLK
DATA
DEC
TEMP
GND
VCC
DP
EP
LED3
CP
BP
LED1
A
LED2
B
DEC
C
D
E
TEMP
F
G
H
SCL
F
SDA
A
H
G
B
E
C
D
U1 HT46R47
1
PA3/PFD
2
3
4
5
6
7
8
R2
R3
R38
1K2
R17
R18
R19
R14
C3
104
R30
R31
PA4/TMR
PA2
PA1
PA0
PB3/AN3
PB2/AN2
PB1/AN1
PB0/AN0
VSS9PD0/PWM
680R
LED1 LED5R15
680R
LED2
680R
LED3
1K2
DOOR1
1K2
1K2
4K7
R34
3.9K*
+5V
200R
8
+5V A0
7
6
200R
5
R35
10K
CN7
RTC
R36
10K
产品名称
图号
编制 审核
18
SDA
17
LED6
LED7
LED8LED4
LED10LED9
16
15
14
13
12
11
10
INC
DEC
AFF
SCL
COOL
HEAT1
OSC2
OSC1
+5V
+5V
BUZ
PA5/INT
PA6
PA7
OS2
OS1
VDD
RES
R4
680R
R5
680R
SW3
SW4
SW5
10K3990 1%
24LC01
+5V
U2
VCC
WP
SCL
SDA
VSS
1
2
A1
3
NC
4
龙年电子冰箱控制板
RD-SCH-531.1
陈家明 2003/11/15
+12V
GND
VCC CN2
VCC
GND
+12V
GND
VCC
DEC
DATA
+5V
CLK
LED1
LED2
LED1-P
GND
VCC
DEC
DATA
+5V
CLK
LED1
LED2
LED1-P
LED3-P
LED3-P
R8
DOOR
1.5K
产品编号
CN3
CN4
CN5
CN8LED2-P
CN9LED2-P
Q7
SS8050
R20
1K2
D
C
B
VCC
CN1
A
KNL#531
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