Technics SL-1500C User Manual

9
5 Troubleshooting Guide
5.1. No Power
Is
AC power supply cord
damaged?
Is
AC power supply cord
plugged in?
Is the AC power
presented at
AC INLET?
Is the
correct voltage presented
at Pin 5 (+24V) and 3 (GND) of
connector P1730 on SMPS PCB?
Normal : +22.8 to +25.2 V
Is AC INLET
part damaged?
Is Power
Botton operating
normally?
Is fuse F1700
on SMPS PCB
blown?
Pin 5
(+24V)
Pin 3
(GND)
P1730
SMPS PCB
NO
NO
NO
NONO
NO
NO
(No clicking,
Not return back, etc.)
YES
YES
YES
YES
YESYES
YES
No power
Replace SMPS PCB.
Plug the cord in firmly.
Replace OPERATION UNIT
or PANEL PCB.
Replace AC CORD.
Replace AC CORD.
Replace SMPS PCB.
Replace SMPS PCB.Go to next page.
SMPS PCB
AC INLET
F1700

Technics SL-1500C Specifications

General

Drive Method	Direct Drive
Wow and Flutter	0.025% WRMS
Platter	Aluminum Die-cast
Phono EQ	Built-in
Weight	9.9 kg
Motor	Brushless DC Motor
Effective Tonearm Length	230 mm
Overhang	15 mm
Phono Output	Yes
Line Output	Yes
Auto Lift	Yes
USB Output	No
Bluetooth	No
Power Supply	AC 110 - 240 V, 50/60 Hz
Turntable Speeds	33 1/3, 45, 78 rpm
Tonearm Type	Static Balance
Cartridge	Ortofon 2M Red
Dimensions	453 x 169 x 372 mm
Signal-to-Noise Ratio	78 dB