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Disassembly; Disassembly Flow Chart; How To Read The Disassembly And Assembly; Disassembly/assembly Method - JVC HR-J271MS 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

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
Main board assembly
Mini ope (Mini front) board assembly
Fig.
Point
No.
D1 4(S1a),(S1b),3(L1a),
2(SD1a),(P1a),
CN1(WR1a),
2(S1c)
(2)
(3)
(4)
Digitized in Heiloo Netherlands
SECTION 1

DISASSEMBLY

1.3 DISASSEMBLY/ASSEMBLY METHOD

Step/
Part Name
Loc No.
1
Top cover
Bracket
2
Front panel assembly D2 7(L2)
3
Drum assembly
(Cleaner assy)
4
Mechanism assembly D4 2(S4a), (S4b),
5
Main board assembly D5 (S5), 6(L5a)
- - - - - - - - - - - - - - - - - - -
Mini ope board
assembly
[HR-J677MS/J777MS]
- - - - - - - - - - - - - - - - - - -
Mini front board
assembly
[HR-J271MS/J471MS]
<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 2b>
• When reattaching the Front panel assembly, pay careful at-
Note
tention to the switch lever not to make it touch the switch
<Note 1>
knob b of the Main board assembly from the side.
(If the switch knob of the Main board assembly is damaged,
cassette loading is impossible.)
<Note 3>
• 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 4>
• When it is required to remove the screws (S4a) retaining
the Mechanism assembly, please refer to the "Procedures
for Lowering the Cassette holder assembly"(See on page
1-2).
• When removing the Mechanism assembly only, unhook the
two spacers connecting it with the Main board assembly
with pliers from the back side of the Main board assembly
first, and then remove the Mechanism assembly.
• When reattaching the Mechanism assembly to the Main
board assembly, take care not to damage the sensors on
the Main board assembly (D3001: LED, Q3001/Q3002: Start
sensor, Q3002/Q3003: End sensor).
<Note 5>
• When removing the PC Support from the bottom chassis,
take care not to damage the locking portion of the PC Sup-
port.
1/21/2018
Fig.
Point
Note
No.
D1 2(S1a), (S1b)
- - - - - - - - - - - - - - - - -
2(S1c)
<Note 2a>
<Note 2b>
D3 3(S3),
<Note 3>
CON1(WR3a),
CN1(WR3b)
- - - - - - - - - - - - - - - - -
(L3c)
<Note 3>
(S4c), 2(L4),
<Note 4>
CN1(WR4)
- - - - - - - - - - - - - - - - - - - - - - - - - -
(L5b),
<Note 3>
CN7003(WR5)
<Note 5>
- - - - - - - - - - - - - - - - -
(L5b)
CN7001(WR5)
1-1

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This manual is also suitable for:

Hr-j471msHr-j777msHr-j677ms

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