Technics SL-PJ28 - Page 8

(3) CHECK OF PLAY OPERATION AFTER
ADJUSTMENT
Checking Skip Search Checking Playability :
. Play an ordinary musical program disc. 1. Play the 0.7mm black dot and the 0.7mm wedge on
2. Press the skip button to check for normal skip the test disc (SZZP1054C) and verify that no sound
search operation (in both the forward and reverse skip or noise occurs.
directions), 9 ..--:. 2. Play the middle tracks of the uneven test disc
‘ (SZZP1056C) and verify that no sound skip or noise
%* Checking Manual Search occurs.
1. Play an ordinary musical program disc.
“2. Press the manual Search button to check for smooth
manual search operations at either low or high
speed (in both the forward and reverse directions).
=
¢ Adjustment points
= ah, Helen ela HEX.screws -. — ..
Best eye
{PD balance)
adj.
Hole for
mechanical
adjustment 10702
CP701
mas
Extension cable kit
(RFKZ0009)
a —_
Allen wrench
(SZZP1101C)
Fidel Fig. 2
Extension cable
© How to install the extension cable (RFKZ0009)
(RFKZ0009 }
lt may be difficult to insert the extension
cable in the close condition of tray, therefore
open the disc tray slightly and insert the
extension cabie.
| ; Loading unit
P| nese [eon
MI TERMINAL FUNCTION OF IC’S
¢ 1C401 (MN1554PKL1): System control
sme Optica! servo condition
5 ~ TLOCK a (tracking) input ;
—<s Optical servo condition
| - pees | (focus) input
36
|
sense
|-.1
.
[sensesion
=
signal
*
:
far
|
Rev
|
ot
|
Data
receipt
command
signal
Data transmission command
signal
fsa | ack | ot | Data discrimination signal
Oe cooo
41
: Muting output
| (Not used, open)
Bic
pa | amie [= |ncreetcoey |
Poe [ae
supply.) BY ca
[=| atk [ 1 [Sesion oa
pe | feck [0 [asso onc |
ee
Pe [ame | faecwone |
CLOSE ae
sw .. Disc holder “close” det.
Fa [ore [1 [ie oper a
12 | REST SW Ze Rest det. terminal
fa [ne [= [nets
sd Loading motor “close”
5 CLOSE Fo | command signal _
Loading motor “open”
command signal
Clock input terminal
(4.2336 MHz)
(Not used, connected to GND)
xo
57 | Vss (GND)
(Not used, Open). je.
GND terminal
OMUTE 1°) Muting output (H: mute)
MDATA fe) Command data signa!
MCLK ie) Command clock signal
— Command toad signal
MLD 2 (L: toad)
T™ _
(Not used, open)
{D. OUT)
fe De-emphasis signal
(Not used, open)
SERVO
.
;
eee
|e
or
are
ie
ia
ia
{Not used, connected to power
supply)
Status signal (CRC, CUE,
CLVS, TTSTOP, FCLV, SQOK)