Panasonic AJ-VF15BE, Service Manual

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3-6
(16:9 Mode)
BOARD SUB2 BOARD
SPEC Pedestal Portion is Just Dark
TEST EVF Screen
ADJUST RV6 [SUB BRIGHT (WIDE)]
SIGNAL Color Bar Signal from Camera
Recorder
1. Open the on-screen menu on the camera recorder in the
16: 9 mode so that the EVF screen is 16: 9 too.
2. Turn “On” the color bare mode in the camera recorder.
3. Set the
BRIGHT VR
and
CONTRAST VR
at the center
and
PEAKING VR
at the minimum position.
4. Adjust
RV4
at the position just the illumination of the
pedestal changes from just slightly light to dark.
3-7. High Voltage Regulator Adjustment
BOARD MAIN BOARD
SPEC 6.0v+/-0.1v
TEST TP11 (Pin 7 of IC9)
ADJUST RV6 [OPAMP-ADJ]
M.EQ Digital Voltmeter
1. Set the
BRIGHT VR
,
CONTRAST VR
and
PEAK-
ING VR
at the minimum position.
2. Open the on-screen menu on the camera recorder
in the 16:9 mode so that the EVF screen is 16:9
too.
3. Connect the digital voltmeter to
TP11
.
4. Adjust
RV6
so that the voltage is 6.0V +/- 0.1V.
3-8. Heater Voltage Adjustment
BOARD MAIN BOARD
SPEC 635mV+/-15mV (DC)
TEST TP5 (Hot) & TP6 GND
(Pins 3 & 4 CN5)
ADJUST RV7 [VH-ADJ]
M.EQ Digital Voltmeter
1. Connect the voltmeter to
TP5
(Hot) and
TP6
(GND).
2. Adjust
RV7
so that the voltage is 635mV+/-15mV.
3-9. Peaking Balance Adjustment
BOARD MAIN BOARD / SUB2 BOARD
SPEC 3.9V+/-0.1V
Peaking A = Peaking B
TEST Pin 16 of CN1 / EVF Screen
ADJUST RV2 [PEAK-OFFSET]
M.EQ Digital Voltmeter
1. Set the
BRIGHT VR
and
CONTRAST VR
at the center,
PEAKING VR
at maximum position.
2.
Aim the camera recorder to the registration chart and
adjust the zoom and focus so that the full size of the
chart is displayed on the EVF screen.
3. Open the on-screen menu on the camera recorder in the
16:9 mode so that the EVF screen is 16: 9.
4. Adjust
RV2
so that the both peaking width “A” and “B”
are equal. (Figure.8)
Fig.7 Brightness Adjustment
Should be Dark
Peaking A
Peaking B
Fig.8 Peaking Balance adjustment