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1
2
5
3
4
3
2
1
5
2
6
3
6
4
4
1
350
(WHITE)
352
(BLACK)
33
(RED)
32
(WHITE)
352A
(BLACK)
H6
33A
(RED)
H1
To WATER
COOLER
RECEPTACLE
(S8)
To S4, CB2
& AUX. FAN
To AUX.ILIARY
TRANSFORMER
#2 PRIMARY
(P50)
FIGURE F.13 – AUXILIARY TRANSFORMER NO. 2 TEST
AUXILIARY TRANSFORMER NO. 2 TEST PROCEDURE (CONTINUED)
PROCEDURE
1. Remove the main input power to the POWER
WAVE 655/R machine.
2. Remove any load that may be connected to the
115 VAC receptacle.
3. Remove the case top and right side.
4. Locate plugs P52 and P50 at the Auxiliary
Transformer No. 2. Refer to Figure F.13.
5. Carefully apply the correct input power.
ELECTRIC SHOCK can kill.
High voltage is present at both
plugs.
6. Check for 115 VAC at plug P52 pins 1 and 4
(leads 350 to 33A). Check for 230 VAC at
plug P52 pins 1 and 2 (leads 350 to 352).
7. If 115 VAC and 230 VAC are present, Auxiliary
Transformer No. 2 is good.
8. If 115 is not present between pins 1 and 4, and
230 VAC is not present between pins 1 and 2,
check the associated leads and plugs for
loose or faulty connections.
9. Carefully test for the correct AC input voltage
applied to the primary windings at plug P50.
See the Wiring Diagram.
10. If the correct AC input voltage is applied to the
primary of the Auxiliary Transformer No. 2 and
the secondary voltage is not correct, the trans-
former may be faulty. Replace.
11. Replace any cables ties and insulation
removed earlier.
12. Replace the case top and side.
TROUBLESHOOTING & REPAIR
F-44 F-44
POWER WAVE 655/R
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WARNING