To Service Personnel - Yamaha YST-SW1500 Service Manual

YST-SW1500
I TO SERVICE PERSONNEL
1. Critical Components Information
Components having special characteristics are marked s
and must be replaced with parts having specifications equal
to those originally installed.
2. Leakage Current Measurement (For 120V Models Only)
When service has been completed, it is imperative to verify
that all exposed conductive surfaces are properly insulated
from supply circuits.
G Meter impedance should be equivalent to 1500 ohm shunted
by 0.15µF.
"CAUTION"
"F1: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 12A,
250V FUSE."
CAUTION
F1: REPLACE WITH SAME TYPE 12A, 250V FUSE.
ATTENTION
F1: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 12A, 250V.
WARNING: CHEMICAL CONTENT NOTICE!
The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (where
applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and
possibly other entities) to cause cancer and/or birth defects or other reproductive harm.
DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REA-
SON WHATSOEVER!
Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose
eyes to solder/flux vapor!
If you come in contact with solder or components located inside the enclosure of this product, wash your hands before
handling food.
I FRONT PANEL
2
WALL EQUIPMENT
OUTLET UNDER TEST
INSULATING
TABLE
G Leakage current must not exceed 0.5mA.
G Be sure to test for leakage with the AC plug in both polarities.
AC LEAKAGE
TESTER OR
EQUIVALENT