SAMSUNG M197DFR Schematic PCB Diagram
AUTO
INRUSH
3 4
POWER
PCLK
AUTO
AM/FM
(OPTION)
VCLK
(RAD_MWO)
RADIO
ON/OFF
LEVEL
250V1.6A(Q)
VOICE
volume
chip led
1 2
VOICE
PLAYREC
MAIN
RADIO
RADIOPDI
encoder s/w2
DEFROST
POWER
OPTIONOPTION
REC
COOK
TUN-ON
PAUSE
CANCEL
START
30SEC+
OPTION OPTION
VDT
INSTANT
TUNERTUNER
UPDOWN
CLOCK
PCE
VOICE-ON
A-MUTE
encoder s/w 1
REHEAT
M197DF
PDO
R27
2K
R22 2
K
2
3
DGND
+5V
D01
GF1G
DGND
DGND
CN02
SMW250-03V(WHT)
1
OJ03
DGND
TR03
KRC246
2K
R23 R24
2K
TR17
R04
10K
KRC246
OJ02
R25
2K
C1
2
1nF
+5
V
+5V
1KR11
MM414
8
D06
D1
5
MM4148
R0
3
2K
+5V
+15V
KRC246
TR01
GF1G
D16
DGND
OR02
4.7K
PTC2
R19
47K
1KR3
8
DGND
+5V
270M
1KR3
7
R36 1K
220
R20
D1
1
MM4148 MM4148
D14D13
MM4148
R0
9
2K
FUSE1 FH-51
H
R06 1K
D0
9
MM4148
BZ0
1
CBE2220B
A
+5V
+5V
C0
9
1nF
+24V
1nF
C1
0
100nF
C06
+15V
C11
1nF
DGND
+5V
ZMM55CV1
ZD0
1
4.7K
OR0
3
DGND
100K
R3
2
+5V
1nF
C1
4
2K
R2
6
R3
1
100K
TR14 KRA226
TR06
KRA226
TR18
KRC246
KRA226TR1
3
DGND
R10 1K
R0
5
C19
0.02nF
4.7
K
R12
10K
R34 1
K
100nF
C07
TR08 KRA226
5
7
47K
R0
7
+5V
CN01
SMW250-07AV(RED)
1
3
VDD
1
VSS
3 X
IN
2 XOUT
MM414
8
D0
4
43
42
41
40
46
56
55
232425
18
4 RESET
7
TEST
31
VAREF
30
VASS
32
37
36
21
9
17
20
12
1014161327
222645
44
333435
8
6
5
6463626160
595857
38
39
47484950515253
54
191511
28
29
GND
IN OUT
IC01
TMP87PH48DF
2K
R2
8
IC02
78L0
5
+5V
1KR35
R1
5
47K
789
D0
5
MM414
8
1011121314
23456
1 DOV
2 DOV_R
E15
F16
G17
H18
12516HS-14
CN06
1
DSP1
CSQ4254_2COLOR
A11
B12
C13
D14
3 D
1
4 D1_R
5 D26 D2_R
7 D38 D3_R
9 D
4
10 D4_R
GF1G
D0
3
R0
2
4.7K
DF06
S
BD0
1
100nF
C2
0
470u
F
C05
DGND
C08
100nF
DGND
DGND
C01
3300uF
R1
3
4.7
K
+5V
FTR-F3AA024E
RY0
2
100uF
C0
3
DGND
+24V
MM4148
D1
2
R0
1
1K
DGND
DGND
+24V
1KR3
9
DGND
KRC246
TR0
5
TR10 KRA226
+5V
DGND
KRA226TR11
PTC1
390M
47K
R1
6
4.7nF
C2
1
KRA22
6
TR19
C1
7
4.7u
F
FTR-F3AA024E
RY0
1
ZNR1
10D47
1
DGND
R29
2K
DGND
R08
47K
0.02nF
C18
D0
2
GF1G
KRA226TR15
CN0
4
YW396-03AV(WHT)
3
1
47u
F
C04
C1
5
100nF
+5V
R1
7
47K
R1
8
100K
R3
0
+5
V
DGND
47K
OR04
4.7K4.7K
OR0
1
+24V
R33
100K
XTL1
8MHz
MM4148
D10
CN0
5
SMW250-05V_WHT
12345
R42 1K
1KR4
3
1K
1KR41
ELM7533CBA-
S
IC03
GND
IN OUT
R40
TR16 KRA226
OJ01
R21
10
K
DGND
R44
2K
DGND
7
8
KRA226TR09
IC05
24LC04B
123
45
6
TR12 KRA226
RY0
3
FTR-JRJB024W
KRA226TR0
7
C1
3
1nF
15
9
R1
4
47K
11
12
13
14
16
8
6 5 4 3 2
1
CN0
3
12516HS-16
7
10
DGND
C02
1000uF
TR02
KRC246
8. P.C.B Diagrams
8-1 P.C.B Diagrams ( This Document can not be used without Samsung’s authorization )
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