Yamaha pw 5000 Service Manual page 19

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3 7 63 1515 0
INSPECTIONS
1. Setup
To make the PW5000 operation checks, setup the connector (shorting pins) shown in FIG. 1,
and the voltage check connector as shown in FIG. 2.
Short pin----- Connect to the DC OUTPUT
(Solder terminal side)
TE
L 13942296513
Voltage measurement connector (measurement points) --- connect to DC PARALLEL INPUT
(Solder terminal side)
+48V
+48VGND
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If using a variable voltage transformer in the AC power supply, check for distortion on the AC waveform.
.
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2 1
3
5 4
6
7
9
10
11
12
15
14
16
18 17
20
21
23 22
24
27
26
25
Fig. 1
–16VGND
-16V
+16V
2
1
6
4 5
11
10
9
8
16
15
13 14
22
21
19 20
24
25
26
Fig. 2
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2 9
8
Connector (female) : VP012200
REMOTE
8
13
19
+48VGND
Q Q
3 6 7 1 3
Connector (male) : VP012100
3
7
12
18
17
23
27
.
9 4 2 8
3 : FG
6,11,16,21: –16VGND
7,12,17,18: +12VGND
8,13: REMOTE
1 5 0 5 8 2 9 9 4
1: -16V
6: –16VGND
9: +16V
18: -12VGND
19: +48V
24: +48VGND
25: +12V
+12VGND
+12V
m
co
PW5000
9 9
2 8 9 9
19