Circuit Diagrams - York YH9FXH24BAH--FX Service Manual

12. Circuit diagrams

+5V
4 +5V
JP3
3
RST
R3
2
MODE
2K 1
TJC8-04-
R11 1-6-RST
2K
C4
R10 R15
10K 10K 100nF
+5V
+5V
BUZZ1
PKM13EPY-4002
+12V
R48
220
R50
E11
+12V
2K
100uF-25V
C12 100nF
9 8
+12V
COM E
10 7
7C 7B
CN12
12V
2-POWER_ON 11 6
1 6C 6B
A 12 5
2 5C 5B
B 13 4
3 4C 4B
C 14 3
4 3C 3B
D 15 2
5 2C 2B
16 1
1C 1B
B5B-PH-K( - )
+12V
B5B-XH-A( - ) C42 100nF
CN31
12V
5 +12V
A 9 8
4 COM E
10 7
B
3 7C 7B
11 6
C
2 6C 6B
12 5
D
1 5C 5B
13 4
4C 4B
14 3
12V
3C 3B
10 +12V
15 2
D
2C 2B
9 16 1
C 1C 1B
8
B
7
A
6
5
2-DSTEP_A
4
CN9
2-DSTEP_B
3
7
2-DSTEP_C
2
6
2-DSTEP_D
1
5
4
5 3
4 2
3 1 +310V
2 B5P7-XH-A- -
1 +12V
CN11 B5B-PH-K( - )
CN52
1
14AWG; :210±5mm; : ; :AMP 170328-1
CN17
1
D250
220V_L
L
FUSE1
LB2271(32mH-0.35A)
T3.15A/250VAC
CX1
~220VAC
RV1
TVR14561*
CN21
1
100nF-275VAC
14AWG 250±5mm ; :AMP 175022-1
CN21'
1 N
D250
CN21'1
1
D250
220V_L
220V-L
+12V
K12
D21
CN1
220V_N
1
2
OJE-SS(H)-112L(D)M
3
B3P5-VH-3( - )
K11
D40
OJE-SS(H)-112L(D)M
CN23
1
D250
D3
RLS4148
CON2
K1
1
G4A-1A(-E)
18AWG; 360±10mm; ; ; 177915-2
1
CON1
K2
CON3 1
OJE-SS(H)-112L(D)M
HP2 1
K3
D10
RLS4148
HP1 1
835L-1AB-C
HEAT
220V-N
L 220V_L
L 220V-L
+5V
R30
+5V
R57 R98
C11
10K 10K
10K
IC4 100nF
R29
1 8
10K
A0 VCC
2 7
R99
A1 WP
3 6 10K
A2 SCL
4 5
GND SDA
+5V
JP4
24C04
1
EEPROM
2
C31
1-12-SCL
3
1-11-SDA
4
100nF
TJC8-04-
R33 560
R95
R97
10K 10K
+5V
C21 C34 C35
100nF
1nF R54 R94 R103
10K 10K 10K
1
P33/SSI
100uF-16V
2
P34/SDA/SCS
1-MODE 3
E2
C37 MODE
C6
R91 10K 4
P43/XCIN
R92 5
1nF 10K
100nF P44/XCOUT
1-6-RST 6
RESET
7
P47/XOUT
8
R82
XT1
VSS/AVSS
2 9
P46/XIN
10
VCC/AVCC
1M 1-11-SDA 11
P54/TCIOD
1-12-SCL 12
1K P53/TCIOC
R38
1-13-BUZZ 13
R46 1K P52/TCIOB
1-14-POW 14
1K P51/TCIOA/TCTRG
R45
1-15-RSTEP_A 15
1K 1-17-RSTEP_B P50/TCCLK
R44
1-16-VSP 16
R41 1K 1-18-RSTEP_C P27/TDIOD1
1K 1-19-RSTEP_D
R40
1K 1-20-LSTEP_A
R504
R89 1-21-LSTEP_B
1K
R87 1-22-LSTEP_C
1K
R88 1K 1-23-LSTEP_D
R86 1-24-USTEP_A
1K
R85 1-25-USTEP_B
1K
R84 1-27-USTEP_C
1K
1-28-USTEP_D
R505 1K
R23 10K
+5V
+15V R26 1K
R49
C15
2.7K
4.7uF-50V-105
1nF
+15V E14
+5V
R52
10K
R55
R51
10K
10K
C45
E15
R115
100nF
10K
5267-04A(
47uF-50V-105
L1 +310V
NTC1
SCK084R72
D6 D7
1N5399
E7
1N5399
CX2
104-630VDC
100nF-275VAC
D8 D9
1N5399 1N5399
N1
2SC2412K
R1 4.7K
2-35-ST
R4 10K
N17
2SC2412K
R6 4.7K
2-36-WF
R9
10K
2-POWER_ON
+12V
N9
2SC2412K
R502 4.7K
2-34-FLZ
R503
10K
N8
2SC2412K
R500 4.7K
2-33-HEAT
R501
10K
+5V
R100
10K
R34
C32 100nF
1K
R35
C33 100nF
1K
R101
J8 J4
10K
48
R114
KI1/AN9/P11
47 1-47-ROOM
KI2/AN10/P12
46 1-46-PIPE
KI3/AN11/P13
45 1-45-IR
(INT2)/P32
44
R113
(INT1)/P36
43
TAO/P30
42
IC3 TBO/P31
41
TXD2/P63
40
R5F212A7SNFA - RXD2/P64
39 1-39-SWITCH
(CLK1)/CLK2/P65
38
R110
RXD1/INT3/P67
37 1-37-DISPSEL1
TXD1/INT2/P66
36 2-36-WF
INT0/P45
35 2-35-ST
TEO/P60
34 2-34-FLZ
TFO00/P80
33 2-33-HEAT
TFO01/P81
1-37-DISPSEL1
1-53-DISPSEL2
C16
100nF
1-26-PG-BACK
+5V
R116
1-16-VSP
390 R73
C28
1-39-SWITCH
10K
10nF R74
R72
CN35
1K
R71
+5V
100
1
GND
100
2
TX
3
RX
- )
4
CY5
2.2nF-250VAC
T1
4
5
6
C23 R78
C2
R77
47K-2W
7
103-630VDC
BCK-6-FE1901H/ 19ES-X58
D20
D19
US1M( 1A-1000V-75ns
2.2nF-250VAC
IC9
A6059H
C004
E8
C010
R61
1nF
1.5 -1/2W
R120 1K
2-29-DA
2-30-DB
2-31-DC
2-32-DD
38
R24 1K
R25 1K
C10 C9 R27 R28
10nF
10nF
10K
1-42 1K
R13
1-43 1K
10K R16
1-43
1-42
1-41-TXD 1-49-SER 1K
R18
1-40-RXD 1-50-RCK R20 1K
1-51-SRCK 330
R21
IR
10K R22 1K
C50 C49
C19
1nF
1nF 1nF
10K
R2
+5V
JP1
R5 1K 1-52-CHK/S_T
2
C1
1
TJC8-02- 100nF
/
1-58
R69 1K
+5V
C26
10nF
R507
R506
N6
10K
10K
R509 SS8050LT1
1K
R508
1K
C17 J33 J11
4.7K
1-57 R68
100nF
+5V
2 CN48
R14 10K
1
B2B-XH-A-R( - )
R19
C5 1K
SW1
100nF
TSVC-1
D206
100 -1206
ZD003
FR106(1A-800V-500ns)
1N4742A(12V-1W)
E9
R004
2.2K
3
102-1000V R205
C009
R019
1
560
47 -1/2W
12V-900mA
+12V
D008
R209
ER302(3A-200V-35ns)
C8
CY2 CY1
E204
100 -1206 100nF
2.2nF-250VAC
ZD202
1N4742A(12V-1W)
IC10
R80
1.5K
TLP421
CY6
+15V
4.7nF-250V
+12V
N5
N4
SS8050LT1
N3
SS8050LT1
R121 10K
R122 1K R123 10K
R124 1K R125 10K
R126 1K
Circuit diagrams
CN6
+5V 4
3
2
4.7uF-50V
1
E3
B4B-XH-A( - )
E4
+5V
1nF
C36
4.7uF-50V
C30
CN7
100nF
COM3
1
COM2
2
E1
3 +5V
GND
4
100uF-16V
5 SER
6 RCK
SRCK
7
8 IR
R56
C48 C47 C46 +5V
10K
B8B-PH-K-S( - )
1nF 1nF 1nF
R66
+5V
10K
+12V
R62 10K
10K
R63
D11
R65
CN36
R64
10K
3
RLS4148
27
2
N7
1
SS8050LT1
B3B-XH-A( - )
D12
RLS4148
R67 10K
+15V
100 -1206
15V-100mA
R202 R203
ZD001
R206
270 -2W
C7
N001
100nF
KTC8050
HS1 H-25*15
IC6 L7805CV 1.5A-5V +5V
1 3
INPUT OUTPUT
E207
C13 C18
100nF 100nF
2-DSTEP_A
2-DSTEP_B
2-DSTEP_C
2-DSTEP_D
N2
SS8050LT1
SS8050LT1
R127 10K