Denon DVM-1845/745, Руководство по обслуживанию

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DVM-1845/745
Reference Notes
CAUTION 1: Locking Tabs (L-1) are fragile. Be careful
not to break them.
1-1. To release eight Locking Tabs (L-1), first release
five Locking Tabs (A), and then three Locking
Tabs (B). (Fig. D2)
CAUTION 2: Electrostatic breakdown of the laser
diode in the optical system block may occur as a
potential difference caused by electrostatic charge
accumulated on cloth, human body etc., during
unpacking or repair work.
To avoid damage of pickup follow next procedures.
2-1. To remove the Chuck Arm, remove the Screw A,
two Rotary Tray Washers and Rotary Tray
Spring. (Fig. D5)
2-2. Short the three short lands of FPC cable with sol-
der before removing the FFC cable (CN5004 on
the Relay CBA). If you disconnect the FFC cable
without shorting them, the laser diode of pickup
will be destroyed. (Fig. D5)
2-3. Disconnect the Connector (CN5001). Remove
the Slide Tray Assembly carefully. (Fig. D5)
CAUTION 3: When reassembling, confirm the three
short lands of FPC cable is solderd, and connect the
FFC cable (CN5004 on the Relay CBA) completely.
Then remove the solder from the three short lands of
FPC cable. (Fig. D5)
CAUTION 4: Before reinstalling, turn the Slide Tray
Gear (B) fully clockwise. (Fig. D4)
(S-1)
(S-1)
(S-1)
[1] Top Cover
(S-1)
Fig. D1
[2] Front Assembly
(L-1)
(A)
(B)
(B)
(L-1)
(L-1)
(L-1)
(L-1)
Fig. D2
[3] Bracket (Top)
[4] Stopper Bracket R
[4] Stopper Bracket L
(S-3)
(S-2)
(S-2)
(S-3)
(S-3)
Fig. D3