Brother DCP-8070D Service Manual page 574

■ NCU PCB circuit diagram : South Africa/Gulf
L10
MJ-66J-RD315(LF)
@L4
NC
S
RA-242M-C6
1
Ta SBT
2
La
3 @AL3
P3100
Lb
4
Tb
@L5
5
NC
E
6
SBT
NC
FG
FG
7
NC
FG
8
J2
@PH1
A
C
E
K
TLP627(F)
GND
L1
JW
MJ-62J-RD315(LF)
L3
XX
3
XX
4
JW
+5V
NC
FG
7
NC
FG
8
@Q2
J1
C
B
@C5
E
C10
C5395-T112-E F
+
MJ-44J-RD315(LF)
@R10
@L6
XX
1 150
XX
2
@L7
GND
XX
3
GND
(H.S) XX
4 @L9
NC
FG
5 @L8
NC
FG
6
@J3
+24V
@SW1
11 12
2
7
1
D1
CML
6C
1SS120
@CR1
1 12
5
4
3
NC
8
NC 100 1/4W
9
NC
10
@R1
@D4 1SS120
@CR2
12
1
5
4
3
NC
8
NC
9
NC
10
@SW2
11 12
2
7
1
@R2
JW
@Q4
C
RDPS
B
6C
E
DTC123EK
GND
@C2
C474
250V
C26
PH2
C105
AK2 AK1
ZD1
MTZJ12
+5V
TELOFF
E C
6C
@R29 TLP320(F)
TELRL
100
6C GND
@D8 1SS120
@C6
10V @D7 1SS120
C470
@C12 C102
@R28 GND
2.7k
@C15
@R19 @R15 0
C104
10k
U1
BA10358
@C16
TP1 -
C101 6
7
+
6C
@C20 5
@R20
C104
TP2
10k @R12
@R24
680
2.7k
@R21 @C17
0 C102
GND
GND
REF
@C29
C153
@C28
C153
@L2 C3
@T1
@C7
JW BT-6 A(EX-16)
+
C2.2
C1
NC
50V
GND
A2
DB2 +5V
S1ZB60-7101
-
+
A1
D5
PH6 A
ERA15-04
C
E
K
TLP421 Q3
Q1
C
C
CHRG
B
B 6C
E
KTD1411/P
E
DTC123EK
GND
A @PH5
C
ADLC
6C
TLP421
E
K
+5V
GND
R6
@R33
A PH3
C
39k 1W 0 CI
6C
TLP421
E
K
GND
ZD2
MTZJ12
GND
AK1 @PH4
C
POL
6D
E
AK2 TLP620
GND
TELSL
Fig. 8-6
8-6
@C22 C563
C9
16V C10
+
SL
@R18 1.5k 6C
@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
C103 GND
TELRL
TELSL
REF
+24V
REF
CML
CI
GND
R27
TELOFF
1k
+5V
REF
C21
R25 C8 RL1
6.3V
C104
820
C470 PLS
RDPS
CHRG
ADLC
POL
RL1
6C
CN1
16 TELRL
2C
15 TELSL
3D
14 +24V
13 CML
2A
12 CI
4C
11 GND
10 TELOFF
3C
9 +5V
8 SL
SL
6B
7 RL1
6B
6 PLS
1B
5 POL
4 RDPS
2B
3 CHRG
4B
2 ADLC
4C
1 POL
4C
B16B-PH-K-S(LF)
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