Auto Lift-Up Function Does Not Operate Correctly - Technics SL-1500C Owner's Manual

5.6.

Auto lift-up function does not operate correctly

Auto lift-up function does not operate correctly
the auto lift-up switch on the
rear side set to "ON"?
Measure distance between the
center spindle and the Stylus tip
reached detection point. (See "7.2.
Auto lift-up function Adjustment.)
the distance
between 51.5 mm to
60.5 mm?
Set auto lift-up point, position 1 or 2
according to the distance. (See "7.2.
Auto lift-up function Adjustment.)
Is the FFC between
P1002 on MAIN PCB and
P4002 on PHONO OUT PCB
inserted correctly?
What voltage between
CKB1 and CKB4 (GND)?
Turn off the unit.
Is the correct value of
resistor between CKE4 and CKE5?
Normal:18 to 22 ohm
Replace MAIN PCB.
Does
NO
YES
Is
NO
Replace
YES
Tone Arm Unit.
Still does not operate correctly
NO
Insert correctly.
YES
0V (Lift-up OFF)
Replace
＋5V
PHONO OUT PCB.
(Lif-up ON)
NO
Replace
Tone Arm Unit.
YES
Back of main unit
L
OFF ON
R
OUT
Set the auto lift-up switch to "ON".
CKE5
18
Auto lift-up
L
switch
OFF ON
AUTO LIFT UP
R
LINE OUT
P1002
P1005
CKB4
(LIFT_UP_OFF_L)
(GND)
MAIN PCB
CKE4
MAIN PCB
Connector
P1005
P4002
CKB1