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3. CIRCUIT DIAGRAM -
SF3000 LIU PBA
(*)
ZD7
1N4730A
(*)
JMP5
(Only U.K)
2
MJ1-2
4
MJ1-4
1
MJ1-1
RECALL
(*)
FET1
VN2410L
DGND
JMP6
(OTHERS)
3
MJ1-3
(*)
JMP8
(Only U.K)
5
MJ1-5
(GERMANY)
(*)
(*)
(*)
4
FLT5
60uH
JMP12
MJ2-3
(OTHERS)
2
MJ2-1
5
MJ2-4
(OTHERS)
3
FLT3
60uH
JMP11
MJ2-2
P4-3
P4-5
P4-4
P4-7
ON-HOOK
P4-6
STATES
P4-1
P4-2
2
BUZZER2
P2-2
1
BUZZER1
P2-1
_RING_DET
6
P5-6
J2
8
P5-8
C55
10UF
50V
10
P5-10
4
P5-4
Samsung Electronics
(*)
(*)
JMP13
R35
ZD8
(*)
220
1N4730A
1/4W
C33
(*)
3.3UF
50V
JMP1
FLT1
FUS1
60uH
(*)
JMP2
(Only U.K)
(*)
JMP3
(OTHERS)
ARR6
J27
0
*
ARR5
ARR4
(*)
8
4
CML1-2
FGND
6
ARR7
FGND
FLT4
*
60uH
U5
PC814
5
1
P5-5
4
*
3
2
R61
10
1/4W
GND5
D8
(*)
MMSD914T1
(*)
R60
100
5V
HFS113F017A1
(*)
R56
100
HIB1
D7
(*)
(*)
MMSD914T1
REMOTE
C50
(*)
1NF
GND5
11
13
CML2-3
(*)
(*)
R53
0
9
EXT
J25
3
LINE_IN
5
LINE_OUT
J11
4
7
MHS_IN
MHS_OUT
6
RING_IN
1
RING_OUT
J26
2
VCC
D1
FET3
R19
BS170
1N4148
330K
C21
10UF
C18
50V
1UF
50V
ZD5
1N4749A
47NF
DGND
C25
R13
R29
(*)
(*)
300
C49
0.01uF
50V
GND5
C53
GND5
100NF
GND5
GND12
ZD3
(*)
1N4746A
(*)
C4
22NF
R1
330K
ZD2
1/4W
1N4746A
(*)
C3
470NF
R4
C2
1UF
C14
200K
10NF
R2
R6
10M
1.2K
1/4W
1/4W
DGND
Q2
ZD4
(*)
L1
4.2mH
2SA1156-M
1N4740A
(*)
(*)
R34
C17
(*)
C34
22NF
56K
10NF
1/2W
JMP7
R39
DGND
270
1/4W
DGND
BD1
W06F
R20
Q3
(*)
2SA1156-M
0
C36
1UF
R44
50V
R16 100K
3.6K
C37
R48
C38
VAR1
6.8K
15NF
2.2NF
V82ZA2
(*)
C16
*
2.2NF
R24
3K
DGND
DGND
Q5
DGND
MPSA45
R3
DGND
J8
1M
R42
DGND
R40
9
RECALL
VCC
13
CML1-3
11
(*)
(*)
(*)
(*)
J9
(*)
R12
DGND
DGND
100K
FET2
BS170
R9
470K
0
R18
24V
J23
11
0
P5-11
C56
C51
10UF
100NF
50V
GND5
24V
24V
(*)
R8
0
J24
1
1
(*)
CML2-1
CML1-1
13
_CML2
16
16
P5-13
DGND
12
_CML1
P5-12
4.7NF
(*)
C57
T1
400V
C52
100-2019
ZD10
1NF
Z02W4.7
C42
15NF
R62
630V
15K
ZD9
Z02W4.7
J19
J20
J1
R37
3.3K
R51
ZD6
1K
1N4736A
(*)
C20
(*)
R25
C27
10NF
3.9K
1NF
R45
27
C22
10NF
1/4W
DGND
C30
25 RFO
32
1NF
M1
C24
1NF
39
M2 33
LS
C40
37 LI
DGND
22UF
R49
50V
220
(*)
L2
ROH 1
4.2mH
C45
38
RI
1NF
(*)
C39
C35
10UF
DGND
33NF
50V
7
3
STB
TIT
C47
C46
68NF
1NF
C26
1NF
35
CS
DGND
C48
10 TEST
ROT 40
DGND
1UF
10V
(*)
C32
U1
15NF
Q4
STI9510
BC327-16
8
CI
R33
C12
(*)
100PF
12K
C1 24
C10
DGND
27
23
100PF
DGND
DPN
C2
C8
J4
100PF
2.2M
12
22
EHS
C3
C6
100PF
2.2M
13 MHS
21
C4
(*)
J6
26
GL
DGND
C7
20
100PF
R1
C9
100PF
2 DMS
R2 19
C11
18
100PF
R3
C13
100PF
15
R4 17
DRS
Q1
VCC
BC327-16
14 DTS
29
TXD
R22
100K
R15
6.8K
J14
RXD 11
30
DFS
31 LLC
MFO 4
R32
C29
34
27K
ACI
5.6NF
DGND
9
MO
MFI
28
R28
18K
(*)
AGND
AGND
5
36
16
6
VCC
C59
10PF
AGND
D3
R31
1N4148
(*)
C5
0
30PF
C1
470UF
C15
R23
16V
100UF
180
16V
ZD1
1N4734A
X1
KBR-3.58MS
DGND
AGND
DGND
DGND
2
REMOTE
P5-2
R57
30K
GND12
C41
100UF
16V
R26
DGND
1K
FLT6
C28
TX1
J5
60uH
100NF
P3-1
R5
5.1K
TX2
P3-4
FLT2
60uH
DGND
C19
100NF
DGND
FLT7
60uH
RX1
P3-3
C44
C23
0.47uF
100NF
50V
RX2
P3-2
100-1016
T2
DGND
100-1016
DGND
T3
MODEM_TX
3
P5-3
MODEM_RX
1
P5-1
GND12
C1
P1-7
C2
P1-6
C3
P1-5
R1
P1-1
R2
P1-2
R3
P1-3
R4
P1-4
R50
300
U3
4
9
1
P5-9
PC817C
I_RXD
R59
5V
3
470
2
VCC
DGND
GND5
5V
R54
R17
C54
470
100NF
1K
U2
4
PC817C
1
GND5
R55
330K
3
2
7
Q6
P5-7
KSA1182-Y
0
R58
J18
I_TXD
GND5
DGND
NOTE: (*) is unused.
3-1
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