Sanyo VHR-550 Service Manual page 5

Video cassette recorder
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15502(1) Ml
1.
DISASSEMBLY
L
1-1.
REMOVAL OF CABINET, MECHANISM
UNIT, AND MAIN BOARD
REMOVINGTHECABINETPARTS(Fig.l-l-l)
2.
Remove the screw@
at the back of the chassis.
1.
Remove the cabinet and bottom cover by removing the
3.
Remove the red screw@
in the chassis, remove the red
four screws @ and four screws@.
screw @, and remove the holder in this order.
2.
Remove the front panel by removing the locks of the
4.
Remove the two screws@
and two screws@
of the
clamps (A) using a screwdriver, etc. and slightly rotating
mechanism
unit. The two screws @) of the cassette tray
the bottom part in the direction of the arrow.
can be removed easily by pushing the tray lock lever in
Notes:
Electrical adjustments
for the this model can be
the arrow direction to remove the lock as shown in the
performed with only the cabinet removed.
enlarge view A and by pushing the lid opener lever in
When replacing the bottom cover, do not tighten
the arrow direction to remove the lock as shown in the
the screws @ too much. Excess tightness
may
enlarge view B.
damage the screw taps on the chassis.
5.
Lift up the whole mechanism unit and main board (CP-I
PWB assembly), and as shown in Fig. 1-1-3, push the two
REMOVINGTHE MECHANISMMAIN UNIT AND THE
lock claws (D) of the chassis in the arrow direction so that
CP-1PWBASSEMBLY(Fig.1-l-2
and l-l-3)
they can be removed from the chassis.
After removing the cabinet parts, remove the mechanism
unit and the CP-I PWB assembly connected as follows.
\
1.
Spread out the lock clamps (C) in the arrow direction
slightly and remove the TM-1 PWB as shown in
Fig. 1-1-2.
M- PP4H/G-l
Front Panel
Unit
ver
Fig.
1-1-1
–5–

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