Technics SL-PD349 Service Manual

D687
Installation of the traverse deck ass'y
Traverse deck ass'y
1. Push the claw in the direction of arrow®, and then move
the slide plate(t) in the direction of arrow
2. Move the slide plate(2) in the direction of arrow @.
3. Align the 3 bosses of traverse deck ass'y with the slots
‘of mechanism base ass'y.
Ml
Installation
of
the
drive
lever
Positioning
of
the
drive
cam
Boss(B).
Pulley'geer Slots
1, Rotate the pulley gear to full position in the direction of
arrow®.
2. Then, rotate the pulley gear in the direction of arrow@.
3. When the drive gear(1) stops rotating, turn off that pulley
gear is rotating.
1. Rotate the pulley gear to full position in the direction of
arrow.
2. Align the boss(A) with the hole of slide plate(2).
ign the boss(B) with the hole of slide plate(1).
ign the claws of drive lever with the slots of loading
‘mechanism assy.
4
@ Installation of the tray ass'y
cr
Tray base guide(R)
1. Attach the FFC to the connector(CN403).
2. Fit the claws on the right side of the tray ass'y
underneath the claws on the tray base guide(A),
3,Fit the claws on the right side of the tray assy
underneath the ciaws on the tray base guide(L).
4. Fit the limiter claw on the tray ass'y between the teeth of
the drive gear(1).
5, Catch the 2 claws(A) with the mechanism base ass'y.
6. After installing the tray ass'y, check that it moves smoothly.
Sig
‘SL-PD687
MHOW TO CHECK THE MAIN AND SERVO P.C.B.
1, Remove the cabinet. (See Ref.No.1 of the disassembly instructions.)
2. Remove the front panel ass'y. (See Ret.No.2 of the disassembly instructions.)
3. Remove the tray ass'. (See Ref.No.5 of the disassembly instructions.)
4, Remove the cable holder. (See Ref.No.8 of the disassembly instructions.)
5. Remove the clamp plate assy. (See Ret.No.10 of the disassembly instructions.)
6. Remove the fixed plate, magnet and clamper. (See Ret.No.11 of the disassembly instructions.)
© Check the main P.C.B.
DIA CONV. P,
Fig. 1
7. Remove the 7 screws(@-@). 9. Rotate the pulley gear in the direction of arrow until traverse
8. Lift up the main P.C.B. to release the 2 ibs of chassis ass'y, deck ass'y comes up.
and then remove the main P.C.B. in the direction of arrow. 10. Place the test disc and secure it by using the clamper ass'y.
11. Connect the 2 FFC (CN601, CN6O2) as shown in Fig. 2
12. Set up the main P.C.B.
dwire
13,
Connect
the
main
P.C.B.
ground
terminal
(line
out
termina!)
to the chassis ass'y with a lead wire,
14, When checking the soldered surface of the main P.
do as shown in Fig. 3.
Ground terminal
Play
Fig.3 How to play the disc
Unplug the set previously.
= NOTE:
While
pressing
3
keys
of
STOP(
I),
PLAY(p>),
|
8
sure
to
begin
pressing
the
3
and
DISC
1
simultaneously,
inset
the
power
|
Keys
before
plugging
the
set.
plug
of
the
set
into
the
plug
socket.
fecekey
the
‘Service
Mode
as
5 Press the POWER key
Flights up? »
No? | (POWER ON).
as
FL lights uy
Withdraw hand tom the 8 keys. —_ll
s
NOTE:
Mount the disc on the tumtable Make sure that the traverse mechanism
[and press the PLAY key. is then in UP(PLAY)position.
Service Mode setting
‘When checking the main/servo P.C.B. of this set, remove the rotary tay previously.
After the rotary tray is removed, the microcomputer is kept from issuing PLAY command even when the PLAY key is pressed.
‘Stated above is the procedure of setting the Service Mode for keeping the microcomputer in the PLAY mode even after
removal of the rotary tray.
=E=

Technics SL-PD349 Specifications

General

Brand	Technics
Model	SL-PD349
Category	CD Player
Language	English