Panasonic AWSW350P - SWITCHER, Service Manual

Page: 12 / 70

ELE-1
Adjustment
Unless otherwise specified all switches, connector,
buttons are located on the rear panel or the top panel.
1. Composite Level Adjustment
BOARD MAIN
TP PGM OUT1
ADJ. VR5(
ＢＵＳ
A),VR6(
ＢＵＳ
B)
SIGNAL Color Bar Signal With Y Reference
(White 100%)
M. EQ Oscilloscope
SPEC. 100IRE
±
2IRE
1. Set the SET UP switch SW1 to the lower side (FS
OFF) and SW2 to the upper side (BB OUT).
2. Supply the BB signal from the BB output connector
of AW-SW350 to an EXT input of signal generator
so that the signal generator is synchronized with
the AW-SW350.
3. Supply a color bar signal to the VIDEO IN1
connector from signal the signal generator.
4. Press the (1) of A bus and B bus buttons, and
WIPE button as shown in the following figure.
5. Select the fader lever to A-Bus side and adjust VR5
so that the Composite Level is within the
specification.
6. Move the fader lever to the B-Bus side and adjust
VR6 so that the Composite Level is within the
specification.
7. Repeat the steps 5 and 6 so that the difference
between A-bus output and B-Bus output is
minimized.
2. Y/C OUT Level Adjustment
BOARD MAIN
TP PGM OUT1
ADJ. VR8(BUS AYC),VR9(BUS BYC)
SIGNAL Color Bar Signal With Y Reference
(White 100%)
M. EQ Oscilloscope
SPEC. 100IRE ± 2IRE
1. Set the SET UP switch SW1 to the lower side (FS
OFF) and SW2 to the upper side (BB OUT).
2. Supply the BB signal from the BB output connector
of AW-SW350 to an EXT input of signal generator
so that the signal generator is synchronized with
the AW-SW350.
3. Supply a color bar signal to the Y/C IN2 connector
from a signal generator.
4. Press the (2) of A bus and B bus buttons, and
WIPE button as shown in the following figure.
5. Move the fader lever to A-Bus side and adjust VR8
so that the Composite Level is within the
specification.
6. Select the fader lever to B-Bus side and adjust
VR9 so that the Composite Level is within the
specification.
7. Repeat the steps 5 and 6 so that the difference
between A-bus output and B-Bus output is
minimized.
V
V V
V
(1)
WIPE
(2)
WIPE
V V V V