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JVC KD-ADV49J Service Manual page 17

Cd/dvd receiver

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3.2
DVD mechanism
3.2.1 Removing the Traverse mechanism assembly (See Fig.1 to 6)
(1) Solder the short land section on the flexible wire of pickup.
(See Fig.1)
Caution:
* Solder the short land section on the flexible wire of pickup
before disconnecting the flexible wire form the connector
CN101
on the Front end board.
If the flexible wire is disconnected without attaching the
solder, the pickup may be destroyed by static electricity.
* When attaching the Traverse mechanism assembly, re-
move the solder from the short land section after connection
the flexible wire to the connector
board.
(2) Voltage supply to
TP79
Clamper is shift to loading complete position. (See Fig.2)
(3) Disconnect the flexible wires from Traverse mechanism as-
sembly connected to connector
Front end board. (See Fig.2)
(4) Remove the five screws A attaching the Top cover assem-
bly. (See Fig.3)
(5) From the bottom side, disconnect the connector wire from
Top cover assembly connected to connector
Front end board. (See Fig.4)
(6) From the bottom side, remove the spring from Traverse
mechanism assembly. (See Fig.5)
(7) From the top side, pull up the traverse mechanism and disengage
three dumper positions. (See Fig.6)
CN164
CN101
on the Front end
and
TP81
approx DC 3.0V until
CN101
and
CN164
CN2
Solder short part
Fig.1
CN101
TP81
TP79 TP81
R312
TP92
R21
Voltage supply
TP79
position
Fig.2
A
of the
of the
Dumper
(same color spring)
Fig.3
CN2
Fig.4
Fig.5
Dumper
(Different color spring)
Fig.6
(No.MA401<Rev.001>)1-17

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