Integra DTR-8.8 Service Manual page 28

A B
Q Q
3 7 6 3 1 5 1 5 0
SCHEMATIC DIAGRAMS-21(SD-21)
NETWORK SECTION-2
NALAN-9121(2/8)
U44 LAN PC BOARD
1
PCI BUS
TO SD-20:B1
XFRAME
XIRDY
XTRDY
XDEVSEL
XSTOP
XPERR
XSERR
XINTA
XINTC
XINTD
XGNT0
XGNT1
XGNT2
XGNT3
XREQ0
2
XREQ1
XREQ2
XREQ3
T E
L 1 3 9 4 2 2 9 6 5 1 3
3
TO SD-27:E1
PCICLK2
25MHz
4
TO SD-27:B3
w w w
5
.
C
+3.3V
AD31 33
TP215
R390 8.2K AD31
AD30 34
TP217 AD30
R391 8.2K
AD29 36
TP219 AD29
R392 8.2K
AD28 37
TP221 R393 8.2K AD28
AD27 39
TP222
R394 8.2K AD27
AD26 40
TP223 AD26
R395 8.2K
AD25 42
TP224 AD25
R396 8.2K
AD24 43
AD24
AD23 47
TP225
R397 8.2K AD23
AD22 49
AD22
AD21 50
TP226 AD21
R398 8.2K
AD20 53
TP227 R399 8.2K AD20
AD19 55
TP228
R400 8.2K AD19
AD18 57
TP229 AD18
R401 8.2K
AD17 58
TP230 AD17
R402 8.2K
AD16 59
TP231 R403 8.2K AD16
AD15 79
TP232
R404 8.2K AD15
AD14 82
TP233 AD14
R405 8.2K
AD13 83
TP234 AD13
R406 8.2K
AD12 85
TP235 R407 8.2K AD12
86
AD11
AD11
AD10 87
AD10
AD9 89
AD9
AD8 90
AD8
AD7 93
AD7
AD6 95
AD6
AD5 96
AD5
AD4 97
AD4
AD3 98
AD3
AD2 102
AD2
AD1 103
AD1
AD0 104
AD0
0
R308
46
IDSEL
IDSEL=AD18
R408
XPCIRESET 27
PCIRSTB
47
XCBE3 44
C/BE3B
XCBE2 60
C/BE2B
XCBE1 77
C/BE1B
XCBE0 92
C/BE0B
XFRAME 61
FRAMEB
XIRDY 63
IRDYB
XTRDY 67
TRDYB
XDEVSEL 68
DEVSELB
XSTOP 69
STOPB
XPERR 70
PERRB
XSERR 75
SERRB
PAR 76
PAR
25
INTAB
XINTC
R357 0
29
GNTB
XGNT2 R359 0
30
REQB
XREQ2 R362 0
28
CLK
121
X1
122
X2
R354
127
RSET
5.6K
9
NC
10
NC
11
NC
13
NC
14
NC
15
NC
16
NC
18
NC
19
NC
22
NC
24
NC
45
NC
48
NC
62
NC
64
NC
72
NC
73
NC
74
NC
88
NC
110
NC
113
NC
x a o
112
NC y
116
NC
118
NC
120
i
NC
126
NC
125
NC
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D E
8
+3.3V
TP214
106 1
EECS CS
108 TP216 4
EEDO DO
109 TP218 3
AUX/EEDI DI
TP220
111 2
EESK SK
31
PMEB
105
LWAKE
R301
65
CLKRUNB
10K
5
RX+
6
RX-
1
TX+
R304
49.9_1% 49.9_1%
2
TX-
+3.3V
R306
23
ISOLATEB
10K
4
GND
Q211
117
LED0
RTL8100CL-LF 115
Q Q
LED1
3 7 6 3
114
LED2
ETHERNET CONTROLLER
8
CTRL25
+2.5V
BLM15AG102AN1
+2.5V
12
AVDD25
L208
BLM15AG102AN1
+3.3V
3
AVDD33
7
AVDD33
20
AVDD33
17
GND
21
GND
+2.5V
32
VDD25
54
VDD25
78
VDD25
99
VDD25
35
GND
52
GND
80
GND
100
GND
26
VDD33
41
VDD33 +3.3V
56
VDD33
71
VDD33
84
VDD33
94
VDD33
107
VDD33
38
GND
51
GND
66
GND
81
GND
91
GND
101
GND
119
GND
123
GND
124
GND
128
GND
u 1 6 3
.
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F G
2 4
9 9 8
Q209
M93C46-WDW6TP
E2P-ROM
6
NC
7
DC
7
R302 R303
6
49.9_1% 49.9_1%
8
1
R305
3
2
4
5
9
10
12
11
1 5 1 5 0 8 9 2 4
+3.3V
Q210
2SB1197K
+3.3V
L209
+2.5V
TP236
+3.3V
<Note>
SD-x:XY is short for Shcematic Diagram-x and
BLM15AG102AN1
each socket's location, X=A to H, Y=1 to 5.
L210
NOTE
THE COMPONENTS IDENTIFIED BY MARK
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER)
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
m
ELECTROLYTIC CAPACITORS (
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uF
c o
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX)
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
DTR-8.8
H
2
9 9
R45J
P200
9 8 2 9 9
!
ARE CRITICAL FOR SAFETY.
IS DC VOLTAGE.(NO INPUT SIGNAL).
) ARE IN uF/WV.
PRINTING SIDE