Circuit Diagram (Main Pcb 15/15) [Usb I/F] - Tally Dascom 7010 Series Maintenance Manual

1 2
D
V3R3
R182
1k
2 USBON
U25C
9
2 UBINTP 8
10
74VHC132
C
B
A
1 2

Circuit Diagram (Main PCB 15/15) [USB I/F]

3 4
V3R3
10k
Q17
DTA114EM
T353
U25B
4
6
5
R183
1.5k
74VHC132
U25A
T354
1
T356
3
T357
2
74VHC132
2 UDM
2 UDP
U25D
12
T363
11
13
74VHC132
3 4
6-18
5
6
T358
R184 20k/1%
R185
R186
R187
R188
C111 R189
33p/50 30k/1%
U25E
V3R3
14
V
C112
0.1u/16
7
G
74VHC132
Title
Size
A4
Date:
File:
5 6
7 8
D
USBVCC
0/2012 T359
J19
C
VCC
1
24/2012 T360 DM
DM
2
24/2012 T361 DP
DP
3
0/2012 T362 USBLGND
GND
4
SG
5
DUSB-BRA42
USB I/F
B
A
MAIN PCB - USB I/F (15/15)
Number Revision
JN66701-0
A
Sheet of
Drawn By:
7 8