Adjustment Items - FUNAI F42PDME Service Manual

3. Adjustment items

3-1. Adjusting the Board Group
(1) Adjusting the voltage wave form of Vset-up
(2) Adjusting the voltage wave form of Vset-down
(3) Adjusting the voltage wave form of Vramp
3-2 Adjustment after assembling
(PDP Module adjustment)
(1) Setting up the initial voltage and adjusting the voltage wave form of Vsetup
(2) Measuring the voltage Margin of Vs and deciding the voltage
(3) Adjusting and checking the voltage of DC/DC pack (Vsetup, Vscw, -Vy)
(4) Adjusting the voltage wave form of Vset-down
(5) Measuring the Margin of Vset-up voltage and deciding the voltage
(6) Adjusting the wave form of final voltage
4. Adjusting the Board Group
(Applying the Jig Set)
4-1. Using Tools
(1) Digital oscilloscope: More than 200MHz
(2) DVM (Digital Multimeter): Fluke 87 or similar one
(3) Signal generator: VG-825 or similar one
(4) DC power supply
- DC power supply for Vs (1): Should be changeable more than 0-200V/ more than 10A
- DC power supply for Va (1): Should be changeable more than 0-100V/ more than 5A
- DC power supply for 5V (1):Should be changeable more than 0-10V/ more than 10A
- DC-DC Converter Jig (1): The Jig which has voltage equivalent output of PDP42V6#### Module after taking
the Vs, Va, 5V voltage
- Voltage stability of power supply: Within ±1% for Vs/Va, within ±3% for 5V
2-2-4 L0605DCP