Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung Microwave SMH1816S_XAA Service Manual 6. PCB Diagrams
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6. PCB Diagrams
6-1. PCB Diagrams
32
POWER SUPPLY F2 F1 +5V
TR101
D106 KRA225M
SB160
F2 F1
C112
ST101 100uF
PTC101 L101 R107
270M 80/100MHZ
ST-MHC3
PC102 470 +5V -24V
L1 BD101
DF06S 1 5 4
PC817
1
C103 ZD102 1 2 32 33
1nF UZ5.1BSB F11 F12 F21 F22
ZNR101 C101 C102 R101
TVR14561 56uF 56uF 100K 8 -24V +12V 5 VDD VKK 31
SS-22uF SS-22uF 3 2
7 D105 +5V 30 VAREF VFD-S1 4 P6 NP-4 23
UF4007
N 2 6 64 VDD-1 40 VFD-S1 VFD-S2 5 P7 NP-3 22
R102 L102
100 D103 80/100MHZ
41 VFD-S2 VFD-S3 6 P8 NP-2 21
UF4007 C113
3 11
VFD-ON-OFF
100nF
42 VFD-S3 VFD-S4 7 P2 NP-1 20
D102 TR102
UF4007 D104
KRC246
43 VFD-S4 VFD-S5 8 P9
D101 SB160 C109 C110
1N4007 4 9 470uF 220uF 1 VSS 44 VFD-S5 VFD-S6 9 P11
R801 C104
33K 1uF 4 TEST 45 VFD-S6 VFD-S7 10 P12
C108 C107 VFD-S8
10 100uF 470uF
23 AVSS 46 VFD-S7 11 P1
47 VFD-S8 VFD-S9 12 P16
R802 R103
33K +5V 12K VH-ON-OFF 12 INT0 48 VFD-S9 VFD-S10 13 P13
TMP86CM72FG-CHUN,MH3
RESET RESET 8 RESET 49 VFD-S10 VFD-S11 14 P4
IC103
TNY276P +5V +5V 50 VFD-S11 VFD-S12 15 P15
R803 R804 4 2 OSCILLATOR C114 12pF
33K 20K D B 2 XIN 51 VFD-S12 VFD-S13 16 P3
PC801 1 R105 XTL101 VFD-S14
PC817
R805 INT E
PC101 330 8.000MHz 52 VFD-S13 17 P5
1 4 5 8 R104 R901 R902 C115 12pF
S5 S8
1K
PC817
2K
IC901
2K
3 XOUT 53 VFD-S14 VFD-S15 18 P10
2K 6 7 C105 4 1 7033P R903
D801 S6 S7
100nF 2K RESET 54 VFD-S15 VFD-S16 19 P14
1N4007 2 3 C801 R106
1nF 1K
IN OUT BZ 11 PDO4 55 VFD-S16 VFD-G1 24 1G
3 2 GND
BZ-L 32 VFD-G2 25 2G
C901 C902 BZ-N VFD-G3
28 7 LV-IN1 26 3G
VFD25-0717
10uF 100nF
C106 ZD101
INTERRUPT 2.2nF MTZJ4.3B BZ-S 29 56 VFD-G1 VFD-G4 27 4G
DSP101
IC101
57 VFD-G2 VFD-G5 28 5G
TCO SENSE DOOR SENSE TCO 15 58 VFD-G3 VFD-G6 29 6G
DGND DGND
DOOR 14 59 VFD-G4 VFD-G7 30 7G
TCO
60 VFD-G5
+12V +5V +5V +12V +12V SOUND CONTROL RELAY CONTROL P-R-H 25 61 VFD-G6
+5V +5V P-R-L 22 62 VFD-G7
R402
2K BZ-C I-R 21
R202 R203
BZ 10K 10K M-R 26 24 Vs
R403 OJ501 IC201
2K
TR501 TR502 TR503 +5V TT-R 20
DOOR KRA226 KRC246 KRC246 PCA9538PW
C 18 6 LV-IN2
TR401 1 CC 16 D 19
R401 C401 KRC246 R501 R503 R504
10K 100nF 2K 2K 470 2 1 -1 17
R404 R405 C402 R502 C201 -1 16
470 2K 100nF 220 BZ501 TR504 TR505 TR506 100nF
1 CBE2220BA KRC246 KRC246 KRC246 D 39 KEY-7
C501 BZ-L VB-R
5 47uF 38 KEY-6
OJ502
3 VL-R 1 C 1 C VFD-ON-OFF 13 37 KEY-5
4 RY203 POWER VM-R 11 D 1 D CLK 63 36 KEY-4
F5H-DC12V-P1
2 -LOW VH-R 12 DATA 9 35 KEY-3
CN401 D203 BZ-N LV-R -1
SMW250-05V_WHT MM4148 13 INT 10 34 KEY-2
BEEP SOFT CHIME BELL SINGLE BZ-S CB-R 6 BZ-C 27 33 KEY-1
33
RY202 POWER-L SOUND SOUND SOUND SOUND LEVEL CN-R 3 -1
L1
F5H-DC12V-P1
N
D701 D702 D703 D704 D705 D706 D707 D708 D709
1N4148M 1N4148M 1N4148M 1N4148M 1N4148M 1N4148M 1N4148M 1N4148M 1N4148M
D202
MM4148
POWER-L
RY201 POWER-H POWER-H CN701
AC5-S-DC12V
INRUSH POWER LOUVER +5V +5V EEP ROM +5V
12516HS-16
PTC201 D201 TR201 TR202 TR203 D215 -LOW 9 8 7 6 5 4 3 2 1
270M MM4148 KRC246 KRC246 KRC246 MM4148
R406 R407
INRUSH P-R-L 470 470 C601 100nF
D216 CN402 OPTION OPTION
RY205 +12V SMW250-03V_WHT
AC5-S-DC12V MM4148
P-R-H 2
R408
R409
2K
2K
LV-IN1 1 A0 Vcc
8 R601
2K R701
0 1 2 3 4 5 6 #7
MODEL
#14
MODEL
D213 D205 3 LV-IN2 2 7 KEY-1 16
1N4007 MM4148 I-R A1 WP
CLK
NIGHT D214 D217 1 3 6 2K OPTION OPTION
7 8 9
A2 SCL
1N4007 MM4148 POWER #6 #13
+5V 4 5
RY206 MAIN
Vss SDA
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