Disassembly - JVC HR-XVC22UC Service Manual

3.1 Removing the major parts
3.1.1 Destination of connectors
Two kinds of double-arrows in connection tables respectively
show kinds of connector/wires.
: Flat wire : Wire
: The connector of the side to remove
CONN. No.
WR2a Main CN101
WR2b Main CN103
Destination of connectors
CONN. No. CONNECTOR
WR2a Main CN7103
WR2b Main CN3102
WR3a Main CN2001
Drum
WR3b
assembly
WR4a Main CN7302
WR4b Main CN7301
WR4c Main CN8301
3.1.2 How to read the procedure table
This table shows the steps for disassembly of the externally fur-
nished parts and board assemblies. Reverse these steps when
re-assembling them.
Step/
Fig.
Part Name
Loc No.
[1] Top cover 3-1a 4(S1a),(S1b),3(L1a),
Bracket
(1) (2) (3)
(1) Order of steps in Procedure
When reassembling, perform the step(s) in the reverse or-
der.
These numbers are also used as the identification (loca-
tion) 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
assigned nos. in priority order and do not corre-
spond to those on the spare parts list.
(5) Adjustment information for installation

DISASSEMBLY

: Board to board (B-B)
CONNECTOR PIN No.
Digital CN761
Digital CN762
PIN No.
Jack CN7191
Display CN7003
A/C head
Main CN1
DVD
CN503
servo control
DVD
CN501
servo control
DVD
CN1
servo control
Point
No.
<Note 1a>
2(SD1a),(P1a),(W1a),
CN1(WR1a),
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2(S1c)
(4)
SECTION 3
3.1.3 Disassembly procedure
Step/
Part Name
Loc No.
[1]
Top cover
[2]
Front panel assembly
(Display board assembly)
(Jack board assembly)
[3]
Mechanism assembly
40
10
(Drum assembly)
[4]
DVD unit
(Bracket)
10
[5]
Rear cover
22
[6]
Main board assembly
6
<Note 2a>
• Be careful not to damage the connector and wire etc. during
9
connection and disconnection.
17
• When connecting the flat wire to the connector, be careful with
the flat wire direction.
19
<Note 2b>
5 • When reattaching the Front panel assembly, make sure that
the door opener of the Side frame (R) is lowered in position pri-
or to the reinstallation.
• When reattaching the Front panel assembly, pay careful attention
to the switch lever of the Front panel assembly not to make it
touch the switch knob of the Main board assembly from the side.
• When reattaching the Front panel assembly, lift the Cassette
door slightly.
Note
Door
opener
(5)
Side
frame(R)
<Note 3a>
• When reattaching the Mechanism assembly, secure the
screws (S3a to S3b) in the order of 1,2,3.
<Note 3b>
• When reattaching the Mechanism assembly, be sure to align
the phase of the Rotary encoder on the Main board assembly.
• When reattaching the Mechanism assembly, set the "Mecha-
nism assembling mode". [See "MECHANISM ASSEMBLY
SERVICE MANUAL (No. 86700)".]
• When reattaching the Mechanism assembly to the Main board
assembly, take care not to damage the sensors and switch on
the Main board assembly.
Fig.
Point
No.
3-1d 8(S1a)
3-1a 4(L2a),5(L2b),2(S2a) <Note 2a>
3-1d CN7103(WR2a), <Note 2b>
CN3102(WR2b)
3-1b CN2001(WR3a) <Note 2a>
3-1c 3(S3a),(S3b) <Note 3a>
- - - - - - - - - - - - - - - - - - - - - - - - - -
3-1d CN(WR3b) <Note 3b>
(S3c),(S3d),(S3e) <Note 3c>
3-1d 3(S4a),3(S4b),
CN7302(WR4a),
CN7301(WR46),
CN8301(WR4c)
3-1d 5(S5a),5(L5a)
3-1d 3(S6a)
Switch
lever
Switch
knob
Fig.3-1a
(No.YD008)1-9
Note