PN 9001024
Rev. B Jan. 2000
Page 4-3
SATO CL608 & CL612 SERVICE MANUAL
SECTION 4 – Electrical Checks and Adjustments
4-3 Power Supply Checks
To check voltage levels, first check the fuses (Section 6-3) and replace if necessary, then
remove the LH cover, (Section 4-2) and perform the following steps.
Addtional equipment required: TP Test Module
Digital Multimeter
STEP PROCEDURE
1. Attach the connector from the TP Test Module to the test port on
the main PCB. Note correct positioning of connector. Nibs on the
connector are placed down in the receptacle on the PCB in the
forward position. Fig. 4-3 & 4-4
2. Attach the ground wire of the multimeter to the TP Test Module
Gnd pin. Fig. 4-5 & 4-6
3. Attach the positive wire of the multimeter to the +SIG pin on the
TP Test Module terminal. Fig. 4-5 & 4-6
4. Turn printer on and rotate the dial to a dial POS on the TP Test
Module. Fig. 4-5, 4-6 & 4-7. Record the values from the
Multimeter LCD.
5. Confirm voltages are correct. If not, then replace power supply.
Refer to Section 6-4.
6. After performing tests, replace and secure the LH cover to the
printer.
TEST POINT
CONNECTOR
HEAT SINK
VR1-VR7
Ref. Section 4-4
MAIN PCB