Technics SL-P200

mI TROUBLESHOOTING GUIDE ;
PLAYBACK
FLOW
CHART
SRC
IE Wa
PS
exe
on
[aa
a
a
oT
|
—
|
COMPULSORY
TRAVEVERSE
RETURN
OPERATION
ACCESS
CONTROL
|
®
|
CIRCUIT
OPERATION
POWER
SWITCH
|
|
be
+
Foor
Ctteait)
ON
—|—J]DISC
DETECTION
OPERATION
(YES/NO)
eh
a
os
oes
SE
Ba
+
ie
ON
Q201
(2SD1862)
@). Microprocessor Circuit
IC-601 4N152611)
= STOP OPERATION
IC-401 OAN1SS4PEP)
[S DISC TRAY IN CLOSED ——> | ©. Microprocessor C
ITION? IC-601 O4N152611
IC-401 OMN15S4PEP)
. Loading Motor Drive
—-6FBRC8S)
ircuit
)
MODE
aa| 18
eVEBlclele
i HIE
e
DISC TRAY OPEN/CLOSE OPERATION 0402 (2881240)
@).Close Switch (SSPDI7)
: :
:
:
=
TION
=
LASER DIODE
(LD
ON)
TURNED
ON
DOES OPTICAL PICK-UP MOVE
PLAY
TORED
THE
INR:
CIRCE
MODE
Q181 (2SD166
Q182 (2881240)
Traverse Coil (SORD38-)
Speed Position Sensor
(:WS7L0A00053)
Yes
o
FO
(FOCUS)
LEAD-IN
OPERATION
|).
DSL DATA SLICD
—[
SPINDLE
MOTOR
ROTATION
MODE
OPERATION
»
MODE
+
FOCUS
LEAD-IN
OPERATION
—[~
FO
OCUS)
LOOP
SERVO
OPERATION
PLL.
(PHASE
LOOP)
@
OPERATION
MODE
anes
CTRACKING)
SERVO
OPERATION
.
era
a
a
Gee
=
GLY
CIT
MOD
@]
Toc
READ
OPERATION
~
PLAY
OPERATION
OPERATION MODE
—[-
TRV
CIRAVERSED
SERVO
OPERATION
OBSERVATION
POINTS
CLV (FINE SERVO)
OPERATION - MODE
=
DSL
(ATA
SLICE)
OPERATION
;
— | DATA DEMODULATION
STOP KEY OPERATION
oe PLL (PHASE LOOP LOCK) OPERATION
STOP
MODE
.
Operation
Key
Matrix
. Tray Open Switch
|
CLY (ilT MODE) = OPERATION
i
=
CLV
(FINE
SERVO
MODE)
OPERATION
ie
TOC
DATA
READ
AND
DISPLAIED
——>
STOP
OPERATION
=HOW TO CHECK LASER DIODE=
Close the disc tray without
disc, Then laser diode will
illuminate for 5 sec.