7-2
Samsung Electronics
Schematic Diagram
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7-2 KEY
CHANGE CODE NO
CLOSE TO IC
CLOSE TO IC
ST_BY LED
F GRADE
CLOSE TO IC
D5
C12
C11
C7
C9
C6
C10
C8
C5
K.T
K.R
K.D
K.C
DGND
ST5V
R3
R2
R1
D4
D3
D2
D1
R13
R20
R19
R17
R15
R11
OP7
OP1
R9
MGND1
9
8
7
6
5
40
4
39 38 37 36 35 34 33 32 31
30
3
29
28
27
26
25
24
23
22
21
20
2
19
18
17
16
15
14
13
12
11
10
1
IC1
R8
OP6
OP5
OP4
OP3
OP2
MGND2
MGND1
7
6
5
4
3
2
1
CN1
R7
R6
R5
S-MODE
IN-MODE
VOL-
VOL+
POWER
FSP1
PLY1
STP1
RSK1
FUN1
R18
R16
R14
R12
R10
C4
C2
C3
R4
C1
100NF
DGND
KEY_TEST
ST5V
1/16W
KEY_SCL
KEY_SDA
ST5V
100OHM
100OHM
1/16W
KEY_TEST
ST5V
160KOHM
100NF
100OHM
MLVS-0603-E08
100OHM
100OHM
MLVS-0603-E08
50V
MLVS-0603-E08
50V
560OHM
DGND
ST5V
ST5V
10KOHM
1/16W
100OHM
10KOHM
16V
DGND
100NF
50V
MLVS-0603-E08
50V
160KOHM
DGND
KEY_RST
KEY_RST
560OHM
100OHM
100NF
DGND
560OHM
DGND
560OHM
1/16W
10KOHM
249KOHM
100OHM
KEY_SCL
16V
10KOHM
MLVS-0603-E08
50V
560OHM
KEY_SDA
100NF
DGND
16V
100NF
100NF 16V
100NF 16V
16V10NF
16V10NF
16V10NF
16V10NF
I2C_SDA
TS14
TS11
TS12
INTRP
TS13
TS10
TS09
TS08
RESETN
TS00
TS07
TS06
RXD
TS05
R_ST1
TS04
VDD
AVDD18
R_OSC
TS03
TS02
TS01
TS19
TS18
TS16
TS15
TXD
TS17
TS20
TS21
TS22
TS23
R_ST2
TEST
INTR
VSS
I2C_SCK
DVDD18
NC
POWER
Содержание HW-C450
Страница 15: ...Samsung Electronics 3 3 Disassembly Reassembly No Description Description Photo 4 1 Separate Speaker L R ...
Страница 16: ...3 4 Samsung Electronics MEMO ...
Страница 35: ...Samsung Electronics 4 19 MEMO ...
Страница 50: ...6 2 Samsung Electronics PCB Diagram 6 2 VFD PCB Top CN1 ...
Страница 51: ...Samsung Electronics 6 3 PCB Diagram 6 3 VFD PCB Bottom ...
Страница 52: ...6 4 Samsung Electronics PCB Diagram 6 4 KEY PCB Top ...
Страница 53: ...Samsung Electronics 6 5 PCB Diagram 6 5 KEY PCB Bottom IC1 ...
Страница 56: ...6 8 Samsung Electronics PCB Diagram TP1 TP2 6 6 2 Test Point Wave Form TP4 TP6 TP7 TP8 TP9 TP10 ...
Страница 57: ...Samsung Electronics 6 9 PCB Diagram 6 7 MAIN PCB Bottom TP3 TP5 DIIC1 DSIC3 PWIC1 IC1 ...
Страница 58: ...6 10 Samsung Electronics PCB Diagram 6 7 1 Test Point Wave Form TP3 TP5 ...
Страница 59: ...Samsung Electronics 6 11 PCB Diagram 6 8 SMPS PCB Top 1 CN2 CN1 ...
Страница 61: ...Samsung Electronics 6 13 PCB Diagram 6 9 SMPS PCB Bottom ...
Страница 62: ...6 14 Samsung Electronics MEMO ...
Страница 72: ...7 10 Samsung Electronics MEMO ...