Disassembly; Service Cautions; Precautions; How To Read The Disassembly And Assembly - JVC GR-AX770U Service Manual

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1.1 SERVICE CAUTIONS

1.1.1 Precautions

1. Before disassembling/re-assembling the set as well as
soldering parts, make sure to disconnect the power ca-
ble.
2. When disconnecting/connecting connectors, pay enough
attention to wiring not to damage it.
3. In general, chip parts such as resistor, shorting jumpers
(0-ohm resistor), ceramic capacitors, diodes, etc. can not
be reused after they were once removed.
4. When installing parts, be careful not to do with other parts
as well as not to damage others.
5. When removing ICs, be careful not to damage circuit pat-
terns.
6. Tighten screws properly during the procedures. Un-
less specified otherwise, tighten screws at torque of
0.196 N
m (2.0 kgf
cm).

1.1.2 How to read the disassembly and assembly

(For Cabinet Parts)
Fig.
STEP
PART
No.
No.
1
CASETTE COVER
C1
ASSEMBLY
2
UPPER CASE
C2
3
LOWER CASE
C3
ASSEMBLY
(Incl. E.VF ASSEMBLY)
(1)
(2)
(3)
(1) Order of steps in Procedure
When reassembling, preform the step(s) in the reverse
order. These numbers are also used as the identifica-
tion (location) No. of parts Figures.
(2) Part to be removed or installed.
(3) Fig. No. showing Procedure or Part Location.
C = Cabinet
CA = Camera
D = Deck
(4) Identification of part to be removed, unhooked, un-
locked, released, unplugged, unclamped or unsoldered.
P = Spring
W = Washer
S = Screw
* = Unhook, unlock, release, unplug or unsolder.
2(S3) = 2 Screws (S3)
CN = Connector
SECTION 1

DISASSEMBLY

REMOVAL
*UNLOCK/RELEASE/
UNPLUG/UNCLAMP/
UNSOLDER
(S1), 3(L1a), (L1b), (L1c),
Push button, Spring
2(S2), 2(L2)
9(S3), (L3a), (L3b), CN3a,
COVER(JACK)
(4)

1.1.3 Connection of the wires

Pull both ends of the connector in the arrow direction, re-
move the lock and disconnect the flat wire.
Wire
Connector
Fig. 1-1-1
Extend the locks in the direction of the arrow for unlocking
and then pull out the wire.
Wire
Connector
NOTE: After removing the wire, return the stopper to
its original position, because it is apt to come
off if it is left open.
Fig. 1-1-2
1-1

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