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1 2 3 4




D D


+5 C1 104
1 2


1 2
C2




14
10U

471*6
R7 3 1




VCC
Q0 A
R8 4 2
Q1 B
R9 5
Q2
R10 6
Q3
R12 10
Q4
11 8
Q5 CLK
R11 12




GND
Q6
13 9
Q7 MR
C L1 L2 L3 L4 L5 L6 L7 L8 L9 L10 C
+5
R1 R2 R3 R4 R5 R6 74HC164




7
IC1
102 102 102 102 102 102


SW1 SW2 SW3 SW4 SW5 SW6

R17
+5V
103
R15 201 R13
Q1 Q2 201
9012 9012
R16 R14
221 221
B B

+5
+5V


CN?
CN7




Title
A A

Midea显示板 Size Number Revision
A4
Date: 4-Dec-2003 Sheet of
File: C:\WINDOWS\Desktop\YK-MC-~2.DDB Drawn By:
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1 2 3 4 5 6




R11 2.2R
OUT
D i1 i2 Z2 D
(线圈盘) R58
OUT1 OUT2 18V
16K
CT BI D25XB60 +18V
1 3 100U/25V
1:/850 AC +
C2 IGBT C21 EC12
5u/400VAC C5 0.27uF/1200VDC R3 R1 18N120B R30
2 4 470K*/2W470K*/2W 104
AC -
R5
HV1
R15 4K7* 10K R65
IN-L IN-R 150K




E
ZE_IN 820K*/2W C18 U1B
R8 470K*/2W C3 R4 R2 6 Q8




E
102/400V R6 222J/50V R16 470K*/2W 1 R37 B 8550
FUSE V 820K*/2W 470K*/2W B
D1 D2 7
R9 820K*/2W LY D5 5K1* 3K3




C
10A/250V/UL IN4007IN4007 1N4148
D24 R7 330K*/2W LM339 D22 1N4148
C1 C19 VOL R29




C
1 CT2 2 PULS_EN
12 221/50V 主回路驱动部分 100 +18V
2uF/270VAC




3
VAR ER08 R36
R10 U U1A
U3 +5V R19 R20 3K3Q7
3 4 1 3
HV2
1N4148 1N4148 3K3
5 R23 R22
222/100V 4K7*




GND
62R/2W 34 100U/25V Vin Vout R18 2 3.9 1/2W 47 1/2W




9

8
VZ10D470KBS TRANS1 EC5 C8 EC3 C7 D6 C24 6K2* D10 D11 4
D3 D4 +18V
INT1
C 4007 ER08 104 470U/16v 104 LM339 8050 C
L2 220U/25V R17 1N4148 C22 1N4148




2
U5 2.2uF/50V LM339 U1C R21 OUT




12
330* D9 681/50V
2




8 1 500uH/500mR
EC2 U1D 16K Z4
S BP C27 +5V
7 2 2V
S S EC13 10
NC
6 3
S C6 104 13




14
D
5 4
EN 104/50V D23 R31 11 1K* PWM
ER08 U2D
1




EC1 4K7
VIP12A Z1 11 Q3 R25 R24
LM339
22U/450V 13 8050 +5V
10 C25 D7 D8 3K3* EC11
18V PULS_EN CN4
i1 C9 i2 R32 22uF/50V R33 EH2.54-2
103 LM339 1K 101/50V IK D13
1N4148 1N4148
+18V
VR RST
U2C LM339 EC10 1N4148
500R/0.25W R66 8 R26 47uF/16V
FAN R27
ZE_IN Q3
14
R59 330 3K3 9 3K3* 104/50V
102/50V 47K 8050
C26 4K7
C10 R54 R28
PULS_EN R34
12




PULS_EN 10K
2K Q2
+5V 8050
B 4 U2A B
1047V PROT 2
D14 R52 VOL 5
4148 330
+5V LM339 XH2.54-2 IGBT
R47 TEMP1
D15 +18V
CUR C12 3K3* +5V CN2
3




4148
681/50V U4 BUZ R55
EC6 R62
R51 R44 3K3* R45 R46 10K* V CN3 10K* EC9
GND 1 20 +5V 330
D16 51K 2.2U/50V 20K* XH2.54-3 2.2uF/50V VSS VDD BUZ
R38 XIN 2 INTO
19(INT0)
4148 C16 Xin P0.0/ADC0
104/50V XOUT 3 ZERO
18(INT1)
D17 D20 R40 1M RST 4
Xout P0.1/ADC1
17 CUR ATI-4M
4148 1N4148 R48 U2B 10K* Z3 TEMP0 RST P0.2/ADC2
7 FAN 5 16 V
5V1 EC8 P2.0 P0.3/ADC3
1 XIN L2 6 15 TEMP1
D21 300K 6 R41 AB 7
P2.1 P0.4/ADC4
14 TEMP0 CN1


2.2uF/50V
1N4148 R39 XL CLK 8
P2.2 P0.5/ADC5
PWM
13(PWM) KEY
C15 5K1* P2.3 P0.6/ADC6 1
R53 D18 D19 LY LM339 1M L1 9 12 PULS-EN L1
7.5K* 4148 4148 222/50V 8M KEY 10
P2.4 P0.7/ADC7
11 BUZ CLK
2
R49 EC7 P2.5 P2.6/ADC8 3
R50 C14 R43 2.2uF/50V
XOUT AB
4
200K V S3C9454 L2
10K* C13 5
102/50V 102/50V 30K* ZERO GND
6
+5V INTO +5V
7
INT1 R42 330 HEADER 7
A A

Title
YK-MC-PF08-M
Size Number Revision
B
Date: 4-Dec-2003 Sheet of
File: C:\WINDOWS\Desktop\YK-MC-~1.DDB Drawn By:
1 2 3 4 5 6