Sharp RP-103H Serviceanleitung Seite 6

| = RP-103H
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[D]REMOVAL OF INDIVIDUAL PWBs
* Individual PWBs do not need to be removed completely but
to the extent that their mounted parts can be replaced.
First of all, remove the cabinet, turntable cover and opera-
tion panel, and front frame referring to the descriptions in
[AJREMOVAL OF CABINET, [B]REMOVAL OF TURN-
TABLE COVER AND OPERATION PANEL and [C] RE-
-MOVAL OF FRONT FRAME.
1. Display PWB
(1) Take off the display PWB while keeping six PWB holders
held by a needle nose Pneier: See Fig. 6—1.
Note:
The display PWB is connected with the control PWB by
means of three connectors (CNP301, 302 and 203).
2. Control PWB ?
(1) Disconnect three sockets (cns202, 203 and - 208).
Fig. 4—3.
Remove two screws ton the control PWB, and straighten
its hooking part by using a needle nose pineal: and take
the control PWB off. oee Fig. 4-3.
Note: ..).-.
The control PWB is connected with the dishiey. PWB by
means of three. connectors (CNP301, 302. and 303).
~ Remove the display PWB first and then the contro! PWB.
See
(2)
3. Junction PWB |
(1) Remove two screws from the tonearm disc holder and
take the tonearm disc holder off. See Fig. 6B—2..
Remove the socket CNS102 from the tonearm motor and
supply +10V. DC to it to move the tonearm until the
position where the tonearm quide bracket may be taken
out. See Fig. 6—2.
Remove four screws from the tonearm guide bracket (two
each at the right and left) and take the tonearm aquide
bracket off. See Fig. 6—2. |
Disconnect four sockets (CNS 101, 104, 105 and 106).
See Fig. 6—2
Remove one screw from the junction PWB, and seraiohion
its hooking part by using a needle nose pinchers and take
the junction PWB off. See Fig. 6—3.
(2)
(3)
(4)
(5)
SETTING OF
a Turn the drum to the rest position, and hook the spring
over the drum's hole. See Fig. 6—4.
shown. See Fig. 6-4. |
. After setting the wire, turn the side A/B. tonearm to its
lead-in Position. Refer to the instructions of "ADJUST-
MENT OF SIDE A/SIDE B TONEARM LEAD- IN POSI-
TION. ery |
840.5mm
Tonearm Wire(370)
Figure 6—4
. Stretch the tonearm wire following the order from n Dro®
Needle
Nose
Pinchers .
rid
PWB~-,
A, hh et ee
Figu re 6—1
Figure 2
(D)-3-(5)
PWB Retaining Hook
Figure 6~—3
TONEARM WIRE
(~_/Pulley (388) -
Motor Drum .
(387)
=