Rowe BC-3500 - Page 142

Section 4: Troubleshooting
25238801 4-75
RIGHTTESTSWITCH
CENTERTESTSWITCH
LEFTTESTSWITCH
OUTOFSERVICELAMP
12VDC
8VDC
SWITCHED30VDC
5VDC
30VDC
120VACHOT
EARTHGROUND
120VACNEUTRAL
POWERCONTROLRELAY
120VACSWITCHED
40VDCSWITCHED
BUCKETCURRENTSENSE-
BUCKETCURRENTSENSE+
TRANSPORTGROUND
POWERGROUND
COMMON
+
+
+
+
+
D812
ToR813
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
10
11
12
13
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
R802
470Ω
R801
1.2KΩ
R803
5.6KΩ
1/2W
R810
1KΩ
R812
12KΩ
D801
D802
D803
40VDC
VR802
REG.FIXED+5V
K801
S801
RIGHTTEST
S802
CENTERTEST
C802
4.7µF
C807
1000µF
@10V
C808
22µF
@10V
C809
2200uF
@16V
C810
2200µF
@16V
C814
.33µF
@50V
P801
D809
D808
P803
P805
P804
P807
R834
82Ohm
1W
S803
LEFTTEST
P807
12VDC
5VDC
Figure 4-2. Schematic Diagram - Power Supply