Owner's Manual
Table Of Contents
- Owner's Manual
- Service Manual
- Table of Contents
- Safety Precautions
- Warning
- Specifications
- Location of Controls and Components
- Troubleshooting Guide
- Disassembly and Assembly Instructions
- Types of Screws
- Disassembly Flow Chart
- Main Components and P.C.B. Locations
- Disassembly of T/T Rubber Matand Turntable Ass’y
- Disassembly of Insulator Unit
- Disassembly of Bottom Chassis Ass’y
- Disassembly of DC Motors
- Disassembly of Phono Out P.C.B.
- Disassembly of Tone Arm All Unit Ass’y, Queuing Knob and Armrest Ass’y
- Disassembly of Main P.C.B.
- Disassembly of SMPS P.C.B.
- Disassembly of Panel P.C.B.
- Measurements and Adjustments
- Block Diagram
- Wiring Connection Diagram
- Exploded View and Replacement Parts List
16
5.5. LED No Illumination
5.5.1. LEDs for speed select buttons (both [33] and [45]) --- No Illumination
Is the clock
(X1001) for microcomputer
(IC1001) oscillated?
YES
Strobe light --- No Illumination
Replace MAIN PCB.
NO
Replace MAIN PCB.
NO
Replace PANEL PCB.
Is the correct
voltage presented
at Pin 2 (CK2120)
of connector P1001 on MAIN PCB?
Normal : +24V
YES
X1001 : 17.6904MHz
CK2120
MAIN PCB
Pin 2 of connector P1001
IC1001
microcomputer
MAIN PCB
Pin 1 (Probe)
MAIN PCB
X1001 : 17.6904MHz
Pin 2 (GND)