Brother DCP-7030 Service Manual page 237

■ NCU PCB circuit diagram : Europe/Asia/Oceania/China
1
L10
A
L4
R41-4910-C
NC
S
1
Ta
2
La
3
Lb
4
Tb
L5
5
JW6
NC
E
6
NC FG
FG
7
NC
FG
8
J2
A @PH1
C
E
B
K TLP627 JW7
GND
L1
MJ-62J-RD315
L3
XX
3
XX
4
C
NC
FG
7
NC
FG
8
J1
+5V
C
@Q2
B
C5395
E
+
285D-D440J-111
@C5
@R10
@L6 C10
XX
1 150
XX
2
@L7
GND
XX
3
GND
(H.S)
XX
@L9
4
D @L8
NC
FG
5
NC
FG
6
@J3
These components are mounted for with HANDSET Models only.
1
2 3
+24V
@SW1
11 12
2
7
1
D1 CML
6C
1SS120
@CR1
1 12
5
4
3
NC
NC 8 100 1/4W
9
NC
10
@R1
1SS120 JW13
@D4
@CR2
1 12
JW2
JW5
5
JW4
4
3
NC
NC 8
9
NC
10
@SW2
11 12
2
7
1
0
@R2
@Q4
C
RDPS
B
6C
E
DTC123EK
GND
@C2
C474
250V
C26
PH2
C105
JW8
AK2 AK1
ZD1
MTZJ12
TELOFF
E C
6C
TLP320
GND
+5V
JW16
@R29
TELRL
100
6C
@D8 1SS120
@C6
@D7 1SS120
16V
C100
@C12 C102
@R28 GND
2.7k
@C15
@R19 @R15 120k
C104
12k
U1
BA10358
C16
TP1 - JW17
C101 6
7
+
5
@C20
@R20
C104
TP2 12k
@R12
@R24
680
2.7k
@R21 @C17
120k
C102
GND
GND
REF
2 3
4
@C29
C153
@C28
C153
@L2 C3
@T1
JW BT-6
JW14 JW15
C2.2
NC
50V
GND
DB2 A2 +5V
S1ZB60
-
+
A1
D5
PH6
A
ERA15-04 C
E
K Q3
TLP421
Q1
C
C
JW10
CHRG
B
B 6C
E
KTD1411 E
DTC123EK
GND
@PH5
A
C
ADLC
6C
TLP421
E
K
GND
R6
@R33
PH3
A
0 C
39k 1W CI
6C
TLP421
E
K
GND
ZD2
MTZJ12
AK1 @PH4
JW11
C
POL
6D
E
AK2 TLP620
GND
JW12
JW19
JW18
TELSL JW20
6C
JW21
JW23
+5V +5V
GND GND
JW22
REF REF
4
6-5
5
@C22 C563
C9
@C7
16V C10
+ +
SL
6C
@R18 1.5k
C1
@C19
0
C11 C561
@C14
C822
@R17
TP4 @R13 68k
3.9k
+5V
8
R14
100k
- U1
2
BA10358
C13 1
+
3 C10
C101
R11
C104
TP3
4 2k
R16 100k
@R23
0
GND
GND
TP5
C18
@R22
@R26
68k
C561
@C23
3.9k
GND
C103
REF
REF
CN1
+5V 16 TELRL
TELRL
2C
15 TELSL
TELSL
3D
R27 14 +24V
+24V
1k
13 CML
CML
2A
REF
12 CI
CI
C21 4C
11 GND
R25 C8
GND
6.3V
C104
820
10 TELOFF
C470
TELOFF
3C
9 +5V
+5V
8 SL
SL
GND
6B
7 RL1
RL1
6B
6 PLS
PLS
1B
5 POL
4 RDPS
RDPS
2B
3 CHRG
CHRG
4B
2 ADLC
ADLC
4C
1 POL
POL
4C
B16B-PH-K-S(LF)
5
6 6 6 6 6 6 6
A
RL1
6C
B
HANDSET
WITH
NONE
C
D
6 6 6 6 6 6 6
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