JVC TK-C675BE, Service Manual

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1-6
1.6 CONSUMABLE PARTS
The pan/tilt assembly and the lens assembly of the TK-C675B
are consumable parts. Therefore, their servicing is charged to
the user even when it occurs within the warranty period.
See Table 1-2 for the reference periods for the replacement of
the consumable parts.
Table 1-2
For the method of checking the operation count, refer
to the instruction manual of the remote control software.
Part Name Replacement Period
Pan/tilt assembly 1,000,000 times of operation
Lens assembly 400,000 times of operation
1.7 REFFERENCE REPLACEMENT PERIODS OF PARTS
WHITCH REQUIRE MAINTENANCE AND INSPECTION
Periodical maintenance and inspection are required to maintain
the initial performance and reliability of the unit. Table 1-3 has
been complied assuming the use of the unit under room tem-
perature, and the periods indicated in the table are greatly vari-
able depending on the operating environment and conditions.
Lack of proper maintenance, inspection and servicing will result
in great reductions of the times indicated in the table and will
cause other effects as well.
1.8 Replacement of IC ROM (IF board IC27, IC29)
(1) For removing the IC ROM, it is recommended to use a spe-
cial tool, however, two small screwdrivers are substitutable
for it.
Fig. 1-19 Example of special tool
(2) Insert the portions N of the special tool into the notches P of
the IC socket to pick up the IC. When using small screwdriv-
ers, insert their tips into the notches P respectively and pick
up the IC with the two screwdrivers.
Fig. 1-20
(3) When in a new IC for replacement, make sure of its orienta-
tion and insert it gently into the IC socket with fingers keep-
ing the IC level with the board surface.
Fig. 1-21
The figures shown in Table 1-3 are accumulated operating hours
assuming that the unit is operated for 24 hours a day under
room temperature (approx. 25
°
C). The figures will be reduced
to 15,000 hours or 1.5 years if the unit is accommodated in a
camera housing or used outdoors.
Part Name Part No. Reference Period
POWER SUPPLY UNIT Refer to Sec. 4.1 30,000 hours or 3 years
Table 1-3