Kenwood DMC-G7R Service Manual page 3

Caution on Disassembly
Follow the below-mentioned notes when disassembling
the unit and reassembling it, to keep it safe and ensure
excellent performance:
1. Take the battery and minidisc out of the unit.
2. When disassembling the machine, be sure to withdraw
the power plug from the socket in advance.
3. When disassemble the parts, remove the nylon band or
wire holder as necessary.
To assemble after repair, be sure to arrange the wires as
they were.
If a screw of different length is fitted to the MD mecha-
nism (the screw of the part to be fitted to the MD
mechanism chassis), it may contact the optical pickup,
resulting in malfunction.
4. When repairing, pay due attention to electrostatic charges
of IC.
REMOVAL
STEP
1 Bottom Cover 1. Screw ..................... (A1) x5
2 Disc Cover 1. Screw ..................... (B1) x4
(Note) 2. Flexible PWB ......... (B2) x1
3 Main PWB 1. Screw ..................... (C1) x3
2. Flexible PWB ......... (C2) x4
3. Soldering ............... (C3) x2
4 Front Cabinet 1. Screw ..................... (D1) x1
2. Remove the front cabinet in
the arrow direction.
Note:
When removing the upper lid, at first turn the operation knob
side in the arrow direction to remove.
Installing the front cabinet (See Fig. 7-3.)
1. Make sure that the lid opening and closing spring has been
engaged at the upper side as shown in Figure < A > .
2. Fit the MD lid right pin into the lid opening and closing lever
to install it.
Note:
• Take care since the antivibration rubber may come off.
• If the main PWB has been installed previously, fit the knob to
the HOLD switch shown in Figure < B > .
• If the mechanism has been installed, the antivibration rubber
may come off from the center cabinet fitting part when the
front part of center cabinet is widened.
Lid opening and closing lever
<A>
Antivibration rubber
Figure 7-4
DISASSEMBLY FOR REPAIR
PROCEDURE FIGURE
7-1
7-1
7-2
7-2
Center Cabinet
MD lid right pin
MD lid
HOLD knob
<B>
SW
Front Cabinet
(A1) x2
Ø2x2mm
(B1) x2
Ø2x2mm
(B2) x1
(A1) x1
Ø2x2mm
Disc Cover
Figu re 7-1
(C2) x2
(C3) x1
(C2) x2
(C3) x1
(D1) x1
Ø2x2.5mm
Figure 7-2
Eject knob lever
<A>
Eject lever
Figure <A>
Engage the spring
at the upper side.
Lid opening and closing lever
Figure 7-3
DMC-G7R
Bottom Cover
(A1) x2
Ø2x2mm
(B1) x2
Ø2x2mm
(C1) x3
Ø2x2.5mm
Main PWB
Front Cabinet
Lid opening and closing lever
Lid opening and closing spring
Lid opening and closing spring
3