Disassembly; Disassembly Flow Chart; How To Read The Disassembly And Assembly; Disassembly/Assembly Method - JVC HM-DH30000U 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]
[7]
[8]
[9]
[10]

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
SW.REG board assembly
Digital board assembly
D-PRE/REC board assembly
Drum assembly
Mechanism assembly
REC safety board assembly,
Display board assembly,
Jack 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)
Published in Heiloo Holland
SECTION 1

DISASSEMBLY

1.3 Disassembly/assembly method

Step/
Part Name
Loc No.
[1] Top cover,
Bracket
[2] Front panel assembly D2 CN8201(WR2a),
[3] SW.REG board
assembly
[4] Digital board assembly D4 CN601(WR4a),
[5] D-PRE/REC board
assembly
[6] Drum assembly,
(Inertia plate),
(Roller arm assembly),
(Cleaner assembly)
[7] Mechanism assembly D7 CN1(WR7a), (S7a), <Note 2a>
[8] REC safety board
assembly,
Display board assembly,
Note
Jack board assembly
<Note 1a>
[9] Main board assembly D9 2(S9a)
[10] Bottom cover,
(Foot(2)),
(Foot assembly)
(5)
29/11/2016
Fig.
Point
Note
No.
D1 2(S1a), 2(S1b), (S1c)
- - - - - - - - - - - - - - - - -
2(S1d)
<Note 2a>
2(S2a), 4(L2a), 2(L2b), <Note 2b>
3(L2c)
D3 CN5302(WR3a),
<Note 2a>
CN5502(WR3b),
CN5504(WR3c),
CN5303(WR3d),
CN5503(WR3e),
2(S3a)
<Note 2a>
CN603(WR4b),
<Note 4a>
CN8803(WR4c),
CN9801(WR4d),
CN8002(WR4e),
2(S4a), (S4b),
Earth plate
D5 (S5a), L5a(WR5a), <Note 2a>
Shield case(PRE), <Note 5a>
CN606(WR5b),
CN3011
D6 CON1(WR6a),
<Note 2a>
CN1(WR6b),
<Note 6a>
(S6a), (S6b), (S6c)
- - - - - - - - - - - - - - - - -
4(L6a)
- - - - - - - - - - - - - - - - -
(P6a), (L6b)
- - - - - - - - - - - - - - - - -
(L6c)
(S7b), (S7c), (S7d), <Note 7a>
S7e(WR7b), 2(L7a)
D8 (S8a)
<Note 2a>
- - - - - - - - - - - - - - - - -
CN7002(WR8a),
<Note 8a>
4(L8a)
- - - - - - - - - - - - - - - - -
CN7191(WR8b)
D10
- - - - - - - - - - - - - - - - -
4(L10a)
- - - - - - - - - - - - - - - - -
4(L10b)
- - - - - - - - - - - - - - - - -
(S10a), 2(S10b),
4(L10c), 3(L10d)
1-1

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