Va/Vs Voltage Adjustment; Required Equipment; Vs Voltage Adjustment; Va Voltage Adjustment - Sony FWD-42PV1 Service Manual

2-3. Va/Vs Voltage Adjustment

2-3-1. Required Equipment

. Digital multi meter
. Signal generator
Input signal: Input1 (RGB, D-Sub) 852 x 480@60 Hz
(Recommended pattern), 100 % white
pattern

2-3-2. Vs Voltage Adjustment

1. Check the label on the right upper side of PDP panel
2. Turn the volume (1VR600) to be "Vs Voltage" on the
label.
It is normally set in the range between 180 V and 195 V.

2-3-3. Va Voltage Adjustment

1. Look at the label on the right upper side of PDP panel
2. Then turn the volume (1VR700) to be "Va Voltage"
on the label.
It is normally set in the range between 55 V and 65 V.
VR606
VR700
Measurement point
(Connector that is connected from the G board to the Z
SUS board)
2-4
2-4. Vsc/_ _ _ _ _ Vy Voltage Adjustment
After replacing the Y SUS board, perform the adjustment
in this section.
2-4-1. Required Equipment
. Digital multimeter
. Signal generator
Input signal: InputI (RGB, D-Sub) 852 x 480@60 Hz
(Recommended pattern), 100% white
pattern

2-4-2. Vsc Voltage Adjustment

1. Perform the adjustment so that the following
specification is satisfied.
Adjustment point: R53
Specification: See below
2-4-3. _ _ _ _ _ Vy Voltage Adjustment
1. Perform the adjustment so that the following
specification is satisfied.
Adjustment point: R78
Specification: See below
Vsc check
point
Vsc
adjustment
volume
_Vy specification value
n
The above is a label sample.
Check the actual model for the actual specification value.
_Vy
adjustment
volume
_Vy check
point
Vsc specification value
FWD-42PV1/42PV1P/42PV1A