MANATEC LX WB-VL-65 DSP, Service Manual

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Ref.: WB-VL-SM Ver.1 3.doc
32
5.1.5. SMPS
1. Disconnect the AC I/P & DC O/P wires.
2. Remove the fasteners and replace the defective SMPS with New one
and restore the wiring by observing the correct I/P & O/P indications in
SMPS, except the O/P power to DSP Interface board (refer Wiring
diagram - Chapter 7.2).
Fig. 64
3. Switch ON the Balancer and check the following SMPS voltages at Gnd:
+5V (Tol.: ±0.1V).
4. Connect the DSP Interface board DC O/P (2Pin Phoenix).
5. Switch on the Balancer and run the Balancing program to ensure the
functions are working properly without any errors.
5.1.6.
5.1.6.
MCB (HCV)
HCV models (3Phase)
HCV models (1Phase)
Fig. 65
1. Switch off MCB and disconnect the main power cord (for LCV model). In
case of HCV model, switch off the Mains MCB also.
2. Remove the top cover from main cabinet and change any one of parts
(EMI module, AC socket & Monitor socket).
3. For replacement of MCB/Rocker switch, disconnect the I/P & O/P wires
(Line & Neutral).
4. Ensure the correct I/P & O/P direction in both MCB & Wires while
restoring the connections (Refer Wiring diagram - Chapter 7.2).
5. Power up the machine and ensure that the equipment functions.
5.1.7. BUZZER
1. Remove Buzzer connector from DSP board and replace with new
Buzzer and restore the connector.
2. Switch on the Balancer and run the Key test program as explained in
Chapter 4.10.