Sharp CD-C471 W, Service Manual

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CD-C471
Caution on Disassembly
Follow the below-mentioned notes when disassembling
the unit and reassembling it, to keep it safe and ensure
excellent performance:
Take cassette tape and compact disc out of the unit.
2. Be sure to remove the power supply plug from the wall
outlet before starting to disassemble the unit.
3. Take off nylon bands or wire holders where they need to
be removed when disassembling the unit. Afterservicing
the unit, be sure to rearrange the leads where they were
before disassembling.
4. Take care on static electricity of integrated
circuits and other circuits when servicing.
1
PROCEDURE FIGURE
1. Screw ..................... (Al) x4
1. Screw ..................... x6 7-l
Turn on the power supply,
7-2
open the disc tray, take out
the CD cover, and close.
(Note 1)
2. Hook ...................... (Cl) x3
3. Hook ...................... (C2) x2
4. Screw .................... (C3) xl
5. Socket ................... (C4) x3
1. Screw .................... x13
2. Socket ................... x l
1. Screw .................... (El) xl 8-l
2. ..................... (E2) xl
1. Screw .................... xl a-2
2. Socket ................... (F2) x2
3. Flat Wire.. .............. (F3) x2
4. Tip Wire.. ............... (F4) xl
5. Socket ................... (F5) xl
1. Screw .................... x2 8-2
2. Hook.. .................... (G2) x2
Screw .................... a-3
Open the cassette holder.
2. Screw .................... x5
1. Screw .................... x4
2. Socket ................... (K2) x2
3. Push Rivet ............ (K3) x4
1. Screw .................... xl
2. Cover .................... (L2) x4
1. Screw .................... (Ml) xl
2. Cover .................... (M2) x l
1. Screw .................... x2
2. Guide .................... (N2) x2
1. Screw .................... (Pl) x4
a-3
8-4
8-5
8-6
8-7
1. Screw .................... xl 8-7
REMOVAL
Cabinet
2
3
Side Panel
(Left/right)
CD Player Unit/
CD Tray Cover
Figure
CD Tray Cover
Hook
4
5
Back Board
Tuner PWB
6 Main PWB
7 Front Panel
8
9
10
Display
Switch PWB
Tape
Power PWE
Figure 7-2
CD Servo PWB
Turntable
CD Player Base
14
CD Changer
Mechanism
15 CD Mechanism
Note
How to open the changer manually.
Insert the tip of fine screwdriver into the hole of CD player
base, and press down the worm wheel A
2. Then, turn fully the lock lever in the arrow direction through
the hole on the loading chassis bottom in this state.
After that, push forward the CD player base.
Figure 7-3