Disassembly; Disassembly Flow Chart; How To Read The Disassembly And Assembly; Disassembly/Assembly Method - Philips VR407/77 Service Manual

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1.1 Disassembly flow chart

This flowchart lists the disassembling steps for the cabinet
parts and P.C. boards in order to gain access to item(s) to
be serviced. When reassembling, perform the step(s) in re-
verse order. Bend, route and dress the flat cables as they
were originally laid.
[1]
[2]
[3]
[4]
[5]
[6]

1.2 How to read the disassembly and assembly

<Example>
Step/
Part Name
Loc No.
[1] Top cover,
Bracket
(1)
(1) Order of steps in Procedure
When reassembling, perform the step(s) in the reverse order.
These numbers are also used as the identification (location) No.
of parts Figures.
(2) Part name to be removed or installed.
(3) Fig. No. showing procedure or part location.
(4) Identification of part to be removed, unhooked, unlocked,
released, unplugged, unclamped or unsoldered.
P= Spring, W= Washer, S= Screw, L= Locking tab, SD= Solder,
CN**(WR**)= Remove the wire (WR**) from the connector
(CN**).
Note:
• The bracketed ( ) WR of the connector symbol are as-
signed nos. in priority order and do not correspond to
those on the spare parts list.
(5) Adjustment information for installation
Top cover, Bracket
Front panel assembly
Drum assembly
Mechanism assembly
Mini front board assembly,
Main board assembly
Bottom cover
Fig.
Point
No.
D1 4(S1a),(S1b),3(L1a),
2(SD1a),(P1a),(W1a),
CN1(WR1a),
2(S1c)
(2) (3) (4)
SECTION 1

DISASSEMBLY

1.3 Disassembly/assembly method

Step/
Part Name
Loc No.
[1] Top cover,
Bracket
[2] Front panel assembly D2 7(L2a)
[3] Drum assembly
(Cleaner assy)
[4] Mechanism assembly D4 CN2001(WR4a),
[5] Main board assembly D5a 2(S5a), (L5a)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Mini front board
assembly
Main board assembly
[6] Bottom cover
<Note 2a>
• When reattaching the Front panel assembly, make sure that
the door opener "a" of the Cassette holder assembly is low-
ered in position prior to the reinstallation.
Note
<Note 2b>
<Note 1a>
• When reattaching the Front panel assembly, pay careful at-
tention to the switch lever not to make it touch the switch
knob "b" of the Main board assembly from the side.
<Note 3a>
• Be careful not to damage the connector and wire etc. during
connection and disconnection.
(5)
When connecting the wire to the connector, be careful with
the wire direction.
<Note 4a>
• When it is required to remove the screws (S4a to S4b) re-
taining the Mechanism assembly, please refer to the "Pro-
cedures for Lowering the Cassette holder assembly"(See
on page 1-2).
• When reattaching the Mechanism assembly to the Main
board assembly, take care not to damage the sensors on
the Main board assembly.
<Note 6a>
When removing the bottom cover, push down the two tabs
(L6a) to slide the bottom cover.
Fig.
Point Note
No.
D1 2(S1a),
(S1b)
[VR620/77,VR625/77]
2(S1c)
<Note 2a>
[VR620/77,VR625/77] <Note 2b>
5(L2a)[VR407/77]
D3 CON1(WR3a), <Note 3a>
CN1(WR3b),
(S3a), (S3b), (S3c)
- - - - - - - - - - - - - - - - -
(L3a)
<Note 3a>
(S4a), (S4b), <Note 4a>
2(S4c),
(L5a),CN7001(WR5a) <Note 3a>
- - - - - - - - - - - - - - - - -
(S5a), 2(S5b), (L5b)
D6 2(L6a), 6(L6b) <Note 6a>
1-1