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2.1 BEFORE ASSEMBLY AND DISASSEMBLY
2.1.1 Precautions
1. Be sure to disconnect the power supply unit prior to mount-
ing and soldering of parts.
2. Prior to removing a component part that needs to disconnect
its connector(s) and its screw(s), first disconnect the wire(s)
from the connector(s), and then remove the screw(s).
3. When connecting/disconnecting wires, pay enough atten-
tion not to damage the connectors.
4. Be careful in removing or handling the part to which some
spacer or shield is attached for reinforcement or insulation.
5. When replacing chip parts (especially IC parts), first remove
the solder completely to prevent peeling of the pattern.
6. Tighten screws properly during the procedures. Unless
specified otherwise, tighten screws at a torque of
0.196N•m (2.0kgf•cm).
2.1.2 Assembly and disassembly
[Example]
STEP
PART
No.
[1]
LOWER CASE ASSEMBLY
[2]
B/W VF ASSEMBLY
[3]
TOP OPE UNIT
[4]
CASE COVER(S) ASSEMBLY
CASE COVER(M) ASSEMBLY
(1)
(2)
(1) Order of steps in Procedure
When reassembling, preform the step(s) in the reverse
order. These numbers are also used as the identification
(location) No. of parts Figures.
(2) Part to be removed or installed.
(3) Fig. No. showing Procedure or Part Location.
C
= CABINET
D
= CAMERA AND BOARD ASSEMBLY
(4) Identification of part to be removed, unhooked, unlocked,
released, unplugged, unclamped or unsoldered.
P
= Spring
W
= Washer
S
= Screw
*
= Unhook, unlock, release, unplug or unsolder.
2(S3) = 2 Screws (S3)
CN
= Connector
(5) Adjustment information for installation.
2.1.3 Destination of connectors
Two kinds of double-arrows in connection tables respectively
show kinds of connector/wires.
: Flat wire
: Wire
[Example]
CONN.
CONNECTOR
No.
CN1a
MAIN
CN27
Remove the parts marked in
SPECIFIC SERVICE INSTRUCTIONS
Fig.
POINT
No.
8(S1),CN1a,b,c
Fig.C1
3(S2)
CN3,L3a,2(L3b)
Fig.C2
(S4),2(L4)
(3)
(4)
Pin No.
-
SPEAKER
.
SECTION 2
2.1.4 Disconnection of connectors (Wires)
Pull both ends of the connector in the arrow direction, remove the
lock and disconnect the flat wire.
Extend the locks in the direction of the arrow for unlocking and
then pull out the wire. After removing the wire, immediately re-
store the locks to their original positions because the locks are
apt to come off the connector.
NOTE
-
-
-
-
(5)
2.1.5 Tools required for disassembly and assembly
Torque driver
1
YTU94088
Cleaning cloth
3
KSMM-01
1.Torque driver
Be sure to use to fastening the mechanism and exterior parts
because those parts must strictly be controlled for tightening
torque.
2.Bit
This bit is slightly longer than those set in conventional torque
drivers.
3.Cleaning cloth
2
Recommended cleaning cloth to wipe down the video heads,
mechanism (tape transport system), optical lens surface.
Flat wire
Connector
Fig.2-1-1
Flat wire
Connector
Fig.2-1-2
Bit
2
YTU94088-003
Fig.2-1-3
(No.86721)1-5
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