Adjustment; Adjustments To Be Done; Adjustments - Casio VM-5000 Operation, Service Manual & Parts List

2. ADJUSTMENTS

2-1. Adjustments to be done

Adjustments
1. VDD adjustment,
VGH, VSH, VGL, Vcc9 voltage check
2. Bright,Sub-bright adjustment
3. TINT color adjustment
4. VCON DC coarse adjustment
5. LCM screen positioning
2-2. Adjustments
1. VDD adjustment, VGH, VSH, VGL, Vcc9 voltage check
VCC1-1
Stabilizer
• Conditions
Apply 11.50 ± 0.05 [V] on Vcc1-1.

• Adjustment

Adjust VR161 so that VDD (CP165) voltage becomes 5.00 ± 0.02 [V].
• Checking
VGH (CP168) =
VSH (CP166) =
VGL (CP164) = –15.0 ~ 17.0 [V]
Vcc9 (CP163) =
VDD
M-PCB
VGH
VSH
VGL
VCC9
12.0 ~ 14.0 [V]
7.0 ~ 8.0 [V]
8.05 ~ 8.65 [V]
Necessary equipment
Power supply, Digital voltmeter
Power supply, Signal generator, Oscilloscope
Power supply, Signal generator, Oscilloscope
Power supply, Signal generator, Oscilloscope
Power supply, Signal generator
— 2 —
Digital
V
Voltmeter