Circuit Diagram (Main Pcb 8/15) [Pf Motor Control] - Tally Dascom 7010 Series Maintenance Manual

1 2
V3R3
D
R103
200k
U16A
1
2,6 PFCLK Q
A
2
6 PFON B Q
T240
15
RX/CX
C67
14
1u/B16 CX
3
2,6,13 -GRESET
CLR
74VHC123
C
R106 20k/1% T251
3 PFMOTCU
R107
20k/1%
B
U16B
V3R3
U16C
5
9
A Q
12 16
10
B Q V
C79
7
RX/CX 0.1u/16
8
6
CX G
11
74VHC123
CLR
74VHC123
V3R3
U19C
8
V+
C80
0.1u/16
4
V-
uPC393GR-9LG
A
1 2

Circuit Diagram (Main PCB 8/15) [PF Motor Control]

3 4
R104
13
10k
4
T241
R105
V3R3
C68 10k
0.1u/16
T242
U17
Q5
T244
V5 10k
T243 DTC114EM
1
4
T245
2
10k
G3
74AHC1G08
6 PFMA
6 -PFMA
6 PFMB
6 -PFMB
C71
T252
0.1u/16
C76
100p/50
TMPOFF
3 4
5 6
V24R0
+
C66
100u/50
Q4
4
XP132A11A1
T246
U18
7 OUTA 8 T247 OUTA
VSA
12 T248 -OUTA
OUTA 1
VSB
OUTB 18 T249 OUTB
6 OUTB 11 T250 -OUTB
INA
5
INA
17
INB
16
INB
3 2
TDA
REFA
13
TDB
9
RSA
14
REFB
4
GA
T253
10 15
RSB GB
U_MTR_SLA7033MPR
C77
100p/50
2 MOTTMP
VREF
R111
3.3k/1%
R113 100k
U19A
1 3 T254
+
2 T255
-
uPC393GR-9LG
R116 *3.3k
5
6
6-11
7 8
J4
PFMTCOM
1 -A
2 BCOM
C69
3 -B
4 A
5 ACOM
100p/100
6
B
B6B-EH-*
PF MOTOR
C70
100p/100
VREF
J5
1
2
B2B-PH-K-S
PF MOTOR THRM
C78 R110
VREF 3.3k/1%
1000p/50
R112
1k/1%
R114
3.3k/1%
R115 1k
Title
MAIN PCB - PF MOTOR CONTROL
Size Number Revision
JN66701-0
A4
Date: Sheet of
File: Drawn By:
7 8
D
C
B
A
(8/15)
A