L,Bl Pcbs Assy; Vcc18, Vcc15, Vee7 Adjustments - Casio QV-5500SX Service Manual & Parts List

4. PW PCB Assy

4-1. VCC18, VCC15, VEE7 adjustments

Adjustment
Apply 5.0 ± 0.05V on VCC1-1 and adjust VR120 so that VCC18 (CP121) is 22.0 ± 0.5V.
Adjust VR125 so that VCC15 (CP125) is 15.5 ± 0.2V.
Adjust VR130 so that VEE7 (CP133) is –8.0 ± 0.2V.
Note
Perform VCC15 adjustment after VCC18 adjustment is done.
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