Technics SL-P111 - Page 8

How to check the main P.C.B.
¢When checking the soldered surfaces of the main
P.C.B. and replacing the parts, do as shown.
1. Remove the main P.C.B.
2. Remove the FPC board (CN101).
Pull out the
FPC board.
E> Lift the
connector.
Connector (CN101)
Caution: Insert the short pin into the FPC board in
order to prevent breakdown of laser diode.
(See page 5)
3. Mount FPC junction P.C.B. (SZZP1070C)
onthe chassis. (Do the job as shown by
using the main P.C.B. set-screw.)
4. Connect FPC board from optical
pickup to FPC junction P.C.B.
5. Connect FPC extension cord
(SZZP1071C) to FPC junction P.C.B. and
CN101 of main P.C.B.
6. Place the main P.C.B. as shown in the
figure.
FPC board
Ref. No. | How to remove the disc holder
7 (disc tray)
Procedure
1920667
e Set the drive gear as shown below.
(Turn it completely to the right, then
turn it to the left by about 20° so
that drive gear teeth or projection
will not touch the rack of disc
holder.}
Drive gear
projection
Leaf switch
($101)
*To remove the drive gear
Remove the screw @ of leaf switch
($101), then remove the drive gear
setscrew ©.
Cautions:
1. Be sure to connect the P.C.B. ground
terminal (line out terminal) and chassis
with a lead wire.
2. Connect the ground wire of loading
base to the chassis.
FPC board from
optical
pickup
»
Main
P.B.C.
FPC extension
board (SZZP1071C)
FPC junction P.C.B.
(SZZP1070C)
Ground terminal
(line out terminal) 4
Lead wire
loading
base
1. Push the holder lever backward, (From
underneath the loading base.)
2. Pull the disc holder and bend the 2
claws of disc holder stopper of loading
base toward the optical pickup.
3. Further pull out the disc holder to
remove it. Stoppers
\ Loading base
Holder lever
¢ Caution for fitting
When fitting the disc holder, make the drive gear
as shown on the left, and then insert the disc
holder along the guide of loading base.
After inserting the disc holder completely, turn
the drive gear to the right completely.
Ref. No.
8
Procedure
How to remove the loading base |
1. Turn the drive gear in the direction of
Refer to optical pickup handling
precautions (See Page 5).
19298
the arrow @ so that the disc holder
comes out.
2. Remove the 4 screws.
Caution: Note the color of each spring,
they must be reinstalled to their
original positions.
3. Remove the 3 connectors (CN103,
CN351, CN402).
4. Remove the FPC board (CN101).
| LJ es
CN351
CN103
ape ee
4 vf
\
Ad |
Disc holder
How to remove the optical pickup
Procedure | . Eoliow the numerical order shown.
78089
Unsolder the 2
terminals.
®)
®
Resistance unit
(Speed sensor)
Remove the
resistance unit.
Ref. No.
10
Procedure
798010
How to remove the loading motor |
e Follow the numerical order shown.
Remove the 5 Lift up the
2 screws.
drive motor.
Drive
belt
Release
the
2
Tabs in the
direction of the arrows.
Remove the
drive belt.
Refer to the optical pickup handling
precautions (See page 5).
Remove the 5 Remove the 3 screws @).
screw.
@)
@)
©
6rul out the optical
pickup from the 2
guide shafts.
4 Remove the 2 screws @). (Underneath)
3 Remove the
screw.
Leaf switch (S101)