Led No Illumination - Technics SL-1500C Owner's Manual

5.5.

LED No Illumination

5.5.1. LEDs for speed select buttons (both [33] and [45]) --- No Illumination
Strobe light --- No Illumination
(X1001) for microcomputer
(IC1001) oscillated?
Is the correct
voltage presented
at Pin 2 (CK2120)
of connector P1001 on MAIN PCB?
Normal : +24V
Replace PANEL PCB.
Is the clock
NO
Replace MAIN PCB.
YES
YES
MAIN PCB
Pin 2 of connector P1001
NO
Replace MAIN PCB.
16
X1001 : 17.6904MHz
MAIN PCB
IC1001
microcomputer
Pin 1 (Probe)
Pin 2 (GND)
X1001 : 17.6904MHz
CK2120
MAIN PCB