JVC HR-S3902US Service Manual page 7

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NOTE)
After screwing,execute the
adjustment inspection of the
tape running.
(S2a)
NOTE)
Confirm the DOOR OPENER is down.
attach the FRONT PANEL after the
CASSETE DOOR is lifted up.
[4] MAIN BOARD
ASSEMBLY
Hang the fook of the TERMINAL BOARD
in hole of CHASSIS.
BOTTOM CHASSIS
(L2a)
(L2b)
(L2c)
[2] FRONT PANEL
ASSEMBLY
[2] KNOB
ASSEMBLY
from CAPSTAN MDA
WIRING
Ensure wire dressing along by the Left side of Tuner.
(L4c)
Hang the hook of CHASSIS on the MAIN BOARD ASSEMBLY.
(S3c)
[3] DRUM SHIELD
NOTE)
SLOT TO FIT AT THE RIB OF
THE BOTTOM CHASSIS.
[3] DRUM ASSEMBLY
(S3a)
[3] MECHANISM
ASSEMBLY
(S2a)
(S3b)
b
b
(S3z)
(S3x)
(L4a)
(S3y)
NOTE)
b
Accord the position of V gap on R.ENCORDER
and PWB silk
Accord the position of Boss on R.ENCORDER
and PWB silk .
c
BOARD ASSEMBLY
(L4b)
b
z
z
(L2b)
(L2a)
For the prevention of the DRUM FPC damage.
When you attach the MECHANISM ASSEMBLY on BOTTOM
(L2c)
CHASSIS. Attach the MECHANISM ASSEMBLY after the positioning
boss "Z" of the BOTTOM CHASSIS is matched to the positioning
hole of MECHANISM ASSEMBLY.
Ensure wire is not slunting after insert.
right side
(WR3b)
CN2001
(WR3a)
right side
Bend to REAR side.
Hang the hook of CHASSIS on the MAIN BOARD ASSEMBLY.
Fig. 1-2-2d
(S1a)
(L1a)
Push to release.
[1] TOP COVER
NOTE)
Hang the hook of the
TOP COVER in hold of
CHASSIS.
.
Must confirm soldering condition as no
soldering and dry soldering at portion of
Power cord lead on MAIN BOARD before
attach MAIN BOARD to BOTTOM CHASSIS.
FRONT PANEL back side
[2] ADV. JOG
(S2b)
(S2b)
CN7003
c
(WR2a)
back side
NOTE)
Insert FFC EIRE to the connector
before attaching to FRONT PANEL.
NOTE)
When you fix any board assembly
with the screw, put it on the jigs.
POWER CORD arrangement
should be following drawing.
WHITE LINE
POWER CORD should not be touch to
the VA5001 and C5001.
CN5001
WHITE LINE
VA5001
C5001
back side
CN7001
(WR2a)
(L4d)
from JOG
Check to see the following items, before TOP COVER
is attached.
(1) Wires should not be touched to PRIMARY PARTS
and HEAT PARTS easily.
(2) Parts for Insulation should be attached correctly.
(S1a)
(S1a)
(L1a)
Push to release.
Before attaching TOP COVER, check to
see the wiring so that the wires should not
be damaged by TOP COVER.
(EX. FLAT WIRE of FRONT BOARD on
JS3001
FRONT PANEL)
TOP SIDE
[2] FRONT PANEL
ASSEMBLY
BOTTOM SIDE
When fixing FRONT PANEL, pay attention
don't push each SWITCHS.(FRONT PANEL
should be attached withstrength of horizontal
direction)
After fixing FRONT PANEL, check each
switching operation, button operation and click.
Don't give pressure to BOTTOM CHSSIS from
side.
NOTE
Insert direction of FCC WIRE as follows.
right side
back side
supporting side
electrode side
FFC WIRE and DRUM FPC WIRE should be
insert as follows.
NG
OK
90°
CN
CN
CN
Insert direction of POWER CORD.
U/U(C)/JPN
except U/U(C)/JPN
WHITE LINE
BLUE
NEUTRAL
NEUTRAL
CN5001
CN5001
Insert the wire to even the root of connector
completely at the same time as inserting each
wire.
1-3

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