Sync; Connection; 4Fsc Vco Adjustment; Sch Phase Adjustment - Panasonic AJ-D400P Service Manual

4. Sync

4-1. Connection

4-2. 4fsc VCO Adjustment

BOARD Sync
SPEC. 14.31818MHz ± 10Hz (NTSC)
17.734475MHz ± 10Hz (PAL)
TEST TP11, TP17
ADJUST VR12
MODE Camera Bar
M.EQ Oscilloscope, Frequency Counter
1. Disconnect GEN LOCK IN and adjust the VR12 so
that the frequency at TP17 is within specification.
2. Input the composite signal to GEN LOCK IN and
confirm that the DC voltage at TP11 is 2.5 ± 0.5V
and stable.

4-3. SCH Phase Adjustment

BOARD Sync
SPEC. 0 ± 2°
TEST CAM OUT
ADJUST VR5
MODE Camera Bar
M.EQ SCH Meter
1. Disconnect GEN LOCK IN and set the SCH Meter
to INT mode.
2. Adjust the VR5 so that the SCH is within
specification.
(PAL)
H
l
BURST
(NTSC)
H
l
BURST
l
l
l