Integra DTR-8.8 Service Manual page 34

A B
Q Q
3 7 6 3 1 5 1 5 0
SCHEMATIC DIAGRAMS-27(SD-27)
NETWORK SECTION-8
NALAN-9121(8/8)
U44 LAN PC BOARD
1
PCICLK
TO SD-24:B1
2
TO SD-21:B4
TO SD-26:H1
T E
L 1 3 9 4 2 2 9 6 5 1 3
3
AUDATA0
AUDATA1
AUDATA2
AUDATA3
TO SD-25:G3
4
HUDI_MPMD
XRESET
AUDCK
w w w
5
.
C
+3.3V TP203
BLM15AG102AN1
8
CLKOUT
L211 +3.3V
6
Q215
VDD
CDCVF250PWR
CLOCK DRIVER
4 7
GND 1Y3
5
1Y2
2
1Y1
33MHz 1 3
CLKIN 1Y0
27MHz
X203
R345
1M
TP204 TP205 TP206
6
XBUF
12
S0
13 CY22392ZXC-386T
S1
CLOCK GENERATOR
10
CLKA
R349
25MHz 9
CLKB
47 1
CLKC
R352
33MHz 7
CLKD
R353
48MHz 47 8
CLKE
33
+3.3V
Debugger Terminal
P206
1 AUDATA0 TRST 2
3 AUDATA1 TDI 4
5 AUDATA2 TMS 6
7 AUDATA3 GND 8
9 GND GND 10
11 GND GND 12
13 HUDI-MPMD TCK 14
15 XRESET TDO 16
17 AUDCK ASEBRKAK 18
19 +3.3V AUDSYNC 20
x a o
y
i
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D E
PCICLK2
R341 47 TO SD-21:A4
PCICLK3
R340 47
TO SD-20:B1
+3.3V +7V
BLM15AG102AN1
+3.3V L212
14
AVDD
+3.3V
2
Q216
VDD
11
GND
+3.3V
-7V
R351
16
SHUTDOWN/OE
10K
15
S2/SUSPEND
Q Q
3 7 6
TO SD-26:A2
TRST
TO SD-20:G2
TDI
TO SD-24:B2
TMS
TO SD-20:G2
TO SD-25:G3
TCK
TDO
TO SD-25:G4
ASEBRKAK
AUDSYNC
u 1 6 3
.
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2 4
8 9 9
<Note> NOTE
SD-x:XY is short for Shcematic Diagram-x and
THE COMPONENTS IDENTIFIED BY MARK
each socket's location, X=A to H, Y=1 to 5.
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.
ELECTROLYTIC CAPACITORS (
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uF
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.
TP242
Z2ROUT 1
TO SD-20:G2
TP243
AG 2
TP244
Z2LOUT 3
TO SD-20:G3
AG 4
TP245
+7V 5
TP246
-7V 6
+5V +3.3V
TP247
4
TP248
3
TP249
2
1
USBAG
TO SD-26:G3
USBDG
3 TO SD-26:G4 1 5 1 5 0 8 9 2
+5V
TP252
VBUS1 1
TP253
DM1 2
TP254
DP1 3
TP255
USB1 GND 4
0
5
R414
TP256
TXD2 9
TP257
RXD2 8
TP258
XBOOTMODE0 7
SUTATUS0 TP259 6
5
FL_WP TP260 4
XRESET TP261 3
SPDIFRX TP262 2
SPDIFTX TP263 1
+3.3V
TP264
R415
0 TP265
TXD1
TP266
RXD1
TP267
1
GNDD
2
TP268
TXD1 3
4
TP269
5
6
TP270
RXD1 7
8
R416 RESET TP271
9
0
m
c o
DTR-8.8
H
2
8 9 9
! ARE CRITICAL FOR SAFETY.
IS DC VOLTAGE.(NO INPUT SIGNAL).
) ARE IN uF/WV.
PRINTING SIDE
4 9 8 2 9 9