Integra DTR-8.8 Service Manual page 33

A B
Q Q
3 7 6 3 1 5 1 5 0
SCHEMATIC DIAGRAMS-26(SD-26)
NETWORK SECTION-7
NALAN-9121(7/8)
U44 LAN PC BOARD
1
VBUS1
DP1
DM1
USB1 GND
TO SD-27:F3
2
T E
L 1 3 9 4 2 2 9 6 5 1 3
3
4
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
NOTE
!
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
w w w
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
5 ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
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) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
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C D
x a o u 1 6 3
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i
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E
8
+5V
XOUT
B8
VBUS0 VDD_USB1/DV12
A5
DP1
A6
DM1
VSS_USB1/DG12
VDD_USB0/DV12
B5
VBUS1
A7
TP207 DP0
A8
TP208 DM0 VSS_USB0/DG12
VDDA_USB0/AV12
VSSA_USB0/AG12
Q200:G
R5S70900BGV
Q Q
RISC MICROPROCESSOR
3 7 6 3 1
VDDA_USB1/AV12
VSSA_USB1/AG12
VDDQ_USB0/DV33
VSSQ_USB0/DG33
VDDQ_USB1/DV33
VSSQ_USB1/DG33
VDDQA_USB0(AV33)
REFRIN0
VSSQA_USB0/AG33
VDDQA_USB1(AV33)
REFRIN1
VSSQA_USB1/AG33
.
F G
2 4
9 9 8
+3.3V
A2
A3
XIN
+1.2V
L200
D5 VUSBD1.2V
BLM15PG100SN1
C5
D8
C8
+1.2V
BLM15PG100SN1
L213
D9 VUSBA1.2V
C9
5 1 5 0 8 9 2 4
D7
C6 USBAG
TO SD-27:F3
+3.3V
BLM15PG100SN1
+3.3V L201
VUSBD3.3V
B9
A9
B6
C7 USBDG
TO SD-27:F3
+3.3V
L214
+3.3V
B7 VUSBA3.3V
BLM15PG100SN1
R202
E9
E8 5.6K
D6
R203
E7
E6
5.6K
m
c o
DTR-8.8
H
2
9 9
TO SD-27:B3
R201
48MHz
0
9 8 2 9 9