Section 2 Mechanical Adjustments; Before Adjustments; Precautions; Measuring Instruments Required For Adjustments - JVC GY-HD100E Service Manual

2.1

BEFORE ADJUSTMENTS

2.1.1 Precautions

1) Be sure to apply a screw securing torque when attaching a
part.
The securing torque should be 0.04 N-m (0.4 kgf-cm) unless
otherwise specified.
2) Always unplug the power cord of the set before attaching,
removing or soldering a part.
3) When unplugging a connector, do not pull the wire but grasp
the connector body.
4) Do not make an adjustment or rotate a potentiometer blindly
while the source of trouble is not identified.
5) Before adjusting electrical circuitry, be sure to wait for more
than 10 minutes after turning the power on.

2.1.3 Equipment required for adjustments

1 Alignment tape
MC-1 (NTSC)
MC-2 (PAL)
2 DV tape
For use
in self-recording/playback.
(M-DV 63PRO BU)
3 Cassette torque meter
YTU94150A (or YTU94151A)
4 Guide screwdriver
YTU94085
SECTION 2
MECHANICAL ADJUSTMENTS

2.1.2 Measuring instruments required for adjustments

YTU94088
YTU94121A
CK453800C
PTS40844-2
Table 2-1-2
Instrument
Oscilloscope Calibrated instrument with measuring
bandwidth of 100 MHz or more.
Table 2-1-1
5 Torque screwdriver
6 Slit washer attaching tool
7 Connector board (REWRITE PWB)
8 Chip IC replacement tool
Condition
YTU94088-003
Replaceable bit
(long type)
2-1