Brother HL-5240 Service Manual page 321

APPENDIX
Appendix 1. Main PCB Circuit Diagram, HL-5240/5250DN/5270DN/5280DW (4/7)
1
LAN I/F, CDCC I/F, USB I/F, Debug Serial I/F
A
@X1
@C27 SMD-49
C8P 25.00MHz
SGND
@C30
TP504
C10P
LAN_CS_N
1-3A
TP384
IO_RD_N
1-3A/3-2A/3-3A
IO_WR_N
1-3A/3-2A/3-3A
@R96
100
LAN_INT
1-1A
TP353
LAN_RST
1-6B
@R283
TP351 @R97
100
10k
B
SGND
+3.3V
SGND
C
ADR[1]
ADR[2]
ADR[3]
ADR[4]
ADR[5]
ADR[6]
ADR[7]
ADR[24-1]
1-3B/3-1D
D
DATA[8] 8
DATA[9]
7
DATA[10]
6
DATA[11] 5
DATA[12]
8
DATA[13]
7
DATA[14] 6
DATA[15]
5
DATA[0] 8
DATA[1] 7
DATA[2]
6
DATA[3] 5
DATA[4] 8
E
DATA[5]
7
DATA[6] 6
DATA[7]
5
DATA[15-0] SGND
1-1B/3-1D
F
1
2 3
TP505 @U1
6
XTAL1
@R95 10k
70
PME +3.3V
@R57
1M @C33
TP385
@R58 5
XTAL2
330
TP435
94
@R284 12.4k L3.3V
nCS 16VDC
@R60 10
87 10%(B)
LGND (2012) 1%(F)
EXRES1 C223
92 10
TP388
nRD RBIAS SGND @R62
@R91
93 @R307 12k 49.9
TP433
nWR 49.9
1%(F)
@C31
(2012)
(2012)
72 79 LGND
IRQ TPO+
TP354 95 78 @C43
nRESET TPO-
TP386 C10P
@C255
C682
C102 74 83
@C44
SPEED_SEL TPI+
TP357 76 82 TP391
SGND FIFO_SEL TPI-
TP390 C682
@C45
(2012) (2012)
49.9 49.9
98
Speed @R90 @R89
LAN_LEDA_N
GPIO0/nLED1
4A
99
Link&Activ
GPIO1/nLED2 LAN_LEDB_N (1005)
R601 4B
100 25VDC
Full Duplex
GPIO2/nLED3 SGND
10%(B)
TP436 10k
C103
@C257
9
ATEST
LGND
71
RESERVE71
TP387 73
RESERVE73
TP355
75
RESERVE75
84
RESERVE84
TP389
R600 10k
67
EED/GPO3/nD16BUS SGND
69 TP607
EECLK
68 TP352
EECS/GPO4
TP383
8
VDD_REF +3.3V
18
A1
@C28
17
C103
A2
16 11
A3 VSS_REF SGND
15
A4
14
A5
TP434
13 7
A6 VDD_PLL
12
@C260 @C259
A7
C106
C103
4
GND_PLL SGND
TP381
3
VDD_CORE3
65
VDD_CORE65
@C52 C612 @C53
C106 C103 C103
1
GND_CORE1 SGND
66
GND_CORE66
L3.3V @L2 (1608)
BLM18PG300SN1B
TP438
@RA10 64 81
1
D0 AVDD81 +3.3V
0
TP382 63 85
2
D1 AVDD85
62 89
3
D2 AVDD89
59 91
4
D3 AVDD91
58
@RA9
1
D4
0 57
TP378
2
D5
56 77
3
D6 AGND77
53 80
4
D7 AGND80
@RA6 52 86
1
D8 AGND86
0
TP376 51 88
2
D9 AGND88
50 90 OT1
3
D10 AGND90 SGND
TP359
49
4
D11
LGND
46
1 @RA1
D12
0 45 2
TP377
2
D13 VREG +3.3V
44 20
3
D14 VDD20
43 28
4
D15 VDD28
40 35
VDD(D16) VDD35
39 42
VDD(D17) VDD42
TP600 38 48
VDD(D18) VDD48
TP601
37 55
VDD(D19) VDD55
TP602
36 61
VDD(D20) VDD61
TP603 33 97
VDD(D21) VDD97
@C261
32
VDD(D22)
C103
31
VDD(D23) SGND
TP604 30 19
VDD(D24) GND19
TP605
29 27
VDD(D25) GND27
26 34
VDD(D26) GND34
25 41
VDD(D27) GND41
24 47
VDD(D28) GND47
23 54
VDD(D29) GND54
22 60
VDD(D30) GND60
21 96
VDD(D31) GND96 SGND
TP606
LAN9115
2 3
4 5
CDCC
CN13
16
FG2 0V
17
0V
R501 1.5k
@C59 0.5
@C32 18
+5V
C104 C104
19
0V
@C60
C104 C104 20
0V
LAN 21
0V
@CN5
SGND SGND 22
0V
12 FG
23
0V
11 FG
(1005)
24
0V
25
0V
2B
7 LED1_C
LAN_LEDA_N
26
@R308 yellow
100 0V
8 LED1_A
+3.3V
27
0V
(1608)
1 TCT
28
1:TX+ 0V
2 TD+
29
0V
3 TD-
2:TX-
30
0V SGND
4 RD+ 3:RX+
10
4:not use ACKn
5:not use
5 RD-
6:RX-
11
BUSY
6 RCT 7:not use
8:not use
12
@R98 100 PE
10 LED2 orange
+3.3V 13
green SELECT
(1608)
9 LED2
LAN_LEDB_N
2B 32
FLTn
08B0-1X1T-03-F
@DA3
DF5A6.8FU(F)
SGND
14
ATFEEDn
36
SELINn
31
INPRIMn
1
STBn
@ZD3
DF5A6.8FU(F)
UDZS6.8B
SGND
2
DI1
3
DI2
4
DI3
5
DI4
6
DI5
7
DI6
8
DI7
9
DI8
15
NC NC
@DA1 DF5A6.8FU(F)
33
NC NC
34
NC NC
35
NC NC
R136
0
37
FG SGND
38
FG
SGND
R186
0
R188
0
FG1
+3.3V
CN6
1
S0V R132
SGND
10k
2
VDD3
+3.3V
3
JTAG_CK
4
JTAG_MS
JTAG_CK
1-4F
5 TP608
JTAG_RST JTAG_MS
1-4F
6 TP609
JTAG_DI JTAG_RST
1-4F
7 TP610
JTAG_DO
JTAG_DI
1-4F
TP611
JTAG_DO
1-5F
TP269
R270
4.7k
+3.3V
SGND
R119
10k
JTAG_RMODE/BKTGIO
1-4F
8 TP311
JTAG_RMODE
NTRC_CLK
1-5F
9 TP282
NTRC_CLK NTRC_END
1-5F
10 TP270
NTRC_END
11
NTRC_DATA0
NTRC_DATA0
1-5F
12 TP313
NTRC_DATA1 NTRC_DATA1
1-5F
13 TP612
NTRC_DATA2 NTRC_DATA2
1-5F
TP613
14
NTRC_DATA3 NTRC_DATA3
1-5F
TP614
BM14B-SRSS-TB
(SMD 16x3.6)
4 5
A-4
6 7
CDCC_GA
+5.0V
C196
C192 U12
C103
C103 1
+5.0V VDD51
7
C202
VDD57
C103
16
VDD516
30
+3.3V VDD3
C200
15
C103
GND15
26
+5.0V
SGND GND26
RA20
R212
1.5k
1.5k
RA27
33
8 1
7 2 TP72
6 3
5 4
6
R213 TP68
ACKN
33
5
+5.0V
BUSY
4
TP67
PE
3
TP96
SELECT
RA21 28
TP98
1.5k FLTN
RA24
SGND
100
2
8 1
AFN
29
7 2 TP53
SELINN
27
6 3 TP52
INITN
17
5 4 TP70
STBN
+5.0V
TP66
@DA4
RA18 RA19
2.2k
2.2k
RA31
100
SGND 18
8 1
D0
19
7 2 TP150
D1
14
6 3 TP97
D2
12
TP151
5 4
D3
11
8 1 TP101
D4
10
7 2 TP73
D5
9
6 3 TP100
D6
8
5 4 TP71
D7
RA28 TP99
100
@DA2
DF5A6.8FU(F)
SGND
SGND
USB
CN7
2
DM
3
DP
1
PC_+5V
4
GND SGND
R109
0
6
FG SGND
5
FG SGND
R126
0
LG5459001
CONNECTOR:UBR24-4K2300
+3.3V @U9
5
VCC +3.3V
DEBUG
@R184
@CN20 10k 1 3
B GND SGND
1 2 4
DBRXD A Y
DEBUG_RXD
1-4C
TP33
TC7SH08FU(F)
2 (SSOP5)
DBTXD DEBUG_TXD
1-6C 5V->3.3V Level
TP8
B2B-PH-K-Y(LF)
PHOTO-DEBUG
U8
CN19 5
VCC +3.3V
1
PHTXD
PHOTO_TXD
1-6C
1 3
B GND SGND
2 4
2
PHRXD A Y PHOTO_RXD
1-4C
TP7 TP32
R183
B2B-PH-K-M(LF)
10k
SGND
@CN15
1
+5.0V 5V
2
SGND GND
B2B-PH-K-PK(LF)(SN)
6 7
8
A
R208
1k
21
RSTN/SIN CDCC_RST_N
1-6D
TP64 TP60
C191
C101
B
SGND
R211
24
22.5MHz
CDCC_INT_N
INTN
1-4D
33
TP63 TP95
22 R209
22.5MHz
REQN/SOUT CDCC_REQ_N
33 1-4D
TP62 TP225
25
45MHz
CLK/SCK CDCC_CLK
1-6C
TP149
23 R210
22.5MHz
DATA CDCC_DATA
33 1-4C
TP65 TP148
13
AMC
TP69
20 C
SMC
TP61
CDCC-GA
D
USB_DATA_M
1-4D
USB_DATA_P
1-4D
R108
10k
USB_VCC
1-4D
TP334
R107
15k
SGND
E
F
CODE
NAME B512210CIR (4/7)
8
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