Casio QV-10B Service Manual & Parts List page 16

Equipment Connection / Adjustment Procedure
Regulated
power
supply
Input Input
Connection Point
Regulated
power
supply
Pattern
generator
Input
CP101
Pattern
CP101
generator
VCC2 Voltage Setting
Input
DC Jack
5.0 ± 0.05 V
Input
Adjust
Signal
VR100
VBL Voltage Setting
QV-10
Input
DC Jack
5.0 ± 0.05 V
VR101
Vcom Adjustment
QV-10
Set
Output
CP410
VR303
Color bar
VR302
45.75 MHz
QV-10
Set
Output
CP108
Output Output
Connection Point
Voltmeter CP108
Voltmeter
Set
Output
CP111
Voltmeter CP111
Oscilloscope
Oscilloscope CP410
— 14 —
Voltmeter
Result
Adjust for 4.50 ± 0.02 V
reading on voltmeter.
Adjust for 5.0 ± 0.05 V
reading on voltmeter.
0 ± 0.25 [V]
6.0 ± 0.1 [V]
Adjust VR303 so that square-
wave to read 6.0 ± 0.1 V.
Adjust VR302 so that high level
of the square-wave is at 0.0 ±
0.25 V.