Chapter 6 Circuit Diagrams And Wiring Diagrams - Brother MFC-J2320 Service Manual

CHAPTER 6 CIRCUIT DIAGRAMS AND WIRING DIAGRAMS

Modem PCB

U.S.A., Canadian models (Page1)
FCTP21
LINE FCTP1
2
Ta
3
La
4
Lb
5
Tb
FCTP2
7
FG7 NC
8
FG8 NC
D1 D2
CN1
TP1
TP2
RDPS
FG1
GND
D7
1SS120TD-E
D8
DA2S1010
SW1
12 11
2
EXT. 7
1
Ta
3
A5X-G-24E-908
Tb
4
NC
FG
7
NC
FG
8
CN2
FCTP3
R26
0
FG2 (1608) GND
L4
L5
MMZ1608S102A
MMZ1608S102A
L3
F2 L6
MMZ1608S102A
TRF600-150 MMZ1608S102A
F1
TRF600-150
2-3A
(1608)
R34 (1608) R33
0
0
GND FG2
+31V
@C7
0
@C6
153
TP7
@L1
DRL-0033P
D6 R35 (3216)
100k
DRL-0033P TP8
@L2
1/8W
473
AGND
@C5
C3
250V 10%
@C4
0
103
TP10
2012
D5
TVR05271KFARY 3216
Q1
AGND C
B
TP5
E
Q2
C
B
Q4
E C
TP6
E
Q3 TP9
C
TP4 B
E
AGND
6-1
U1
TP19
R13 6.81M 4
RAC TP27
1/8W 1%(F)
12 R7 150k
TEST
TP20
5 1/10W 5%(J)
TAC
R12 6.81M
1%(F)
TP18
11 16
C8 10%
EIC DIBN
104(1608)
TP22
10%
C9
15
104(1608)
TP14 TP21
PWR
TP23
C10
R11 237k 6
C12
RXI
10%
473 1/8W 1%(F) 2
104
AVDD 82154R-LF1
10%
FCTP4
1608
TP17
AGND
3
FCTP5
R6 100
10 14
4
EIO DIBP
1/10W 5%(J)
47P
TP26
9
EIF C13
1
10%
TP13
DVDD
104(1608)
8
TXO
B
7
TXF
TP24
C11
TP16
13 3
10%
GPIO VC
104(1608)
TP25
TP12
17
PADDLE(AGND)
CX20548-11
AGND
TP15
AGND
FCTP6
T1 L8
2-3A
P_DIBn
MMZ1608Y301B
2
FCTP7
L7 2-3A
1
P_DIBp
MMZ1608Y301B
GND
Confidential