Read Panasonic NN-ST254MZPE Service Manual online
8-1
SCHEMATIC DIAGRAM OF P.C.B
'
5
.
5
.
C13
15P
15P
C12
15P
5
.
&
X)
VCC
R14
220
220
R15
220
220
R16
220
220
R17
220
220
R18
220
220
R19
220
220
R20
220
220
R21
220
220
R13
2K
R12
2K
R11
2K
R10
2K
R9
2K
'
'
N
MOTOR
'
+12
R24
3K3
R25
3K3
VCC
DOOR
BUZZER
MICRO
GRILL
LED share kathode
LED: 4X8
LED: 4X8
key in 0
key in 2
key in 1
key in 1
key in 3
key in 4
key in 5
KSCAN3
KSCAN1
KSCAN2
DOOR
LAMP/FAN
MICRO
PE1/CMPN
3
PE0/CMPO
4
PC2/T0
5
PC3/RESER
6
GND
7
PA0/LED-C
8
PA1/LED-C
9
PA2/LED-C
10
PA3/LED-C
11
PD0/LED-C
12
PD1/LED-C
13
PH0/LED-D
14
PE3/CMP2
1
PE2/CMP1
2
LED-D/PH1
15
LED-D/PD2
16
LED-D/PD3
17
LED-D/PB0
18
LED-D/PB1
19
LED-D/PB2
20
LED-D/PB3
21
VDD
22
OSCI/PC0
23
OSCO/PC1
24
TONE/PF0
25
T2/PF1
26
PF2
27
PF3
28
SI
NO SH6
9
P2
6
IC1
SH69P26-28PIN
RESET
ZERO
C6
471
C7
471
C8
471
C9
471
C10
471
%8=
5
.
+12
5
N
BUZZER
5
.
R27
4K7
R28
4K7
R29
4K7
R30
4K7
R31
4K7
B
C
E
Q1
S8050
S8050
1
2
GND
DOOR
CN2
B
C
E
Q2
S8050
S8050
B
C
E
Q3
S8050
S8050
1
2
3
4
RLY1
GRIIL
GRIIL
1
2
3
4
RLY2
MICRO
MICRO
1
2
3
4
RLY3
LAMP
LAMP
SWA
SWB
SWC
SWD
SWE
ke
y
i
n
5
i
n
5
ke
y
i
n
4
i
n
4
ke
y
i
n
3
i
n
3
ke
y
i
n
1
i
n
1
ke
y
i
n
0
i
n
0
ke
y
i
n
2
i
n
2
R7
100K
100K
R36
47k
47k
R37
2K
2K
VCC
VCC
D1
4148
4148
D2
4148
4148
D3
1448
1448
D4
4148
4148
OSC
4MHz
4MHz
L
N
1
3
5
CN100
VH5-3
C2
4
C3
3
C1
2
A
5
B
6
C
7
G
12
H
8
D
9
E
10
F
11
C4
1
LED1
3492AG
3492AG
&
5
.
MOTOR
85-265VAC
RX
22R,2W
D100
1N4007
1N4007
D101
1N4007
1N4007
D103
1N4007
1N4007
D104
1N4007
1N4007
E100
4.7uF,450V
E101
4.7uF,450V
L101
2.2mH,0.1A
R107
3K9
C100
102,1KV
R102
100K
100K
R101
100R
100R
D102
1N4007
1N4007
S
1
BP
3
FB
4
D
5
S
7
S
8
S
2
IC100
LNK364
LNK364
C102
104
104
1
2
3
4
IC101
PC817C
D106
UF4002
R103
20R
C101
102,1KV
D107
UF4002
E103
470uF,25V
E102
470uF,25V
L100
4.7uH,0.3A
R104
1K
1K
R105
330R
330R
Z100
1N5229B,4.3V
1N5229B,4.3V
E104
220uF,16V
R106
4K7
4K7
RY
220K,1W
D105
1N4007
1N4007
ZERO
1
2
3
4
IC102
PC817C
R109
20K
R110
1K
C103
102
102
+12
VCC
2
67
9
4
10
5V
12V
IN
1
8
T100
BCK16-D2128
R111
100K
B
C
E
Q4
S8050
S8050
R22
100K
100K
VCC
StartKey
+12
5
.
R43
4.7K
R42
4.7K
C14
104
104
R45
100K
100K
R46
10K
C18
105
C16
105
R47
2K
2K
VCC
R44
10K
10K
C21
104
StartKey
Pause
Pause
B
C
E
Q7
S8050
E
C
B
Q6
S8550
S8550
E
C
B
Q5
S8550
S8550
D15
4148
D16
4148
D17
4148
4148
1
2
3
4
5
6
7
8
9
10
CN2
CON10
StartKey
R8
100
R4
100
R5
100
R6
100
5
5