Casio QV-10A Service Manual & Parts List page 18

EQUIPMENT CONNECTION / ADJUSTMENT PROCEDURE
Regulated
power
supply
Input Input
Connection Point
Regulated
power
supply
Pattern
generator
Input
TP101
Pattern
TP101
generator
VCC2 Voltage Setting
QV-10A
Input
DC Jack
5.0 ± 0.05 V
Input
Adjust
Signal
VR100
VBL Voltage Setting
QV-10A
Input
DC Jack
5.0 ± 0.05 V
VR101
Vcom Adjustment
QV-10A
Oscilloscope
Set
Output
TP410
VR303
Color bar
38.9 MHz
VR302
Set
Output
TP107
Output Output
Connection Point
Adjust for 4.50 ± 0.02 V
Voltmeter TP107
reading on voltmeter.
Voltmeter
Set
Output
TP110
Adjust for 5.0 ± 0.05 V
Voltmeter TP110
reading on voltmeter.
Adjust VR303 so that square-
wave to read 6.0 ± 0.1 V.
Adjust VR302 so that high level
Oscilloscope TP410
of the square-wave is at 0.0 ±
0.25 V.
— 16 —
Voltmeter
Result
0 ± 0.25 [V]
6.0 ± 0.1 [V]