Yamaha RX-V990, Руководство по обслуживанию

Страница: 2 / 85

RX-V990
.~------------ -------
• TO SERVICE PERSONNEL
1, Critical Components Information.
Components having special characteristics are marked 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.
• Meter impedance should be equivalent to 1500 ohm shunted
byO.15µF.
• Leakage current must not exceed 0.5mA.
AC LEAKAGE
WALL EQUIPMENT TESTER OR
OUTLET UNDER TEST EQUIVALENT
@]
v---J
I~
J
I
) ) =
INSULATING
TABLE
• Be sure to test for leakage with the AC plug in both
polarities.
"CAUTION"
"F601,602 : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE T6.0A, 125V FUSE."
"Fa01 : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 10A, 250V FUSE."
CAUTION
F601,602 : REPLACE WITH SAME TYPE T6.0A, 125V FUSE.
Fa01 : REPLACE WITH SAME TYPE 10A, 250V FUSE.
ATTENTION
F601,602 : UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE T6.0A, 125V.
Fa01 : UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 10A, 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 REASON WHAT SO EVER!
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.
• INTERNAL VIEW
o
P. C. B. FUNCTION (6)
f)
POWER TRANSFORMER
• P. C. B. MAIN (2)
o
P. C. B. FUNCTION (4)
o
P. C. B. FUNCTION (1)
o
P. C. B. TUNER
o
P. C. B. DSP (3)
o
P. C. B. MAIN (4)
o
P. C. B. MAIN (1)
CD>
P. C. B. MAIN (3)
6)
P. C. B. DSP (1)
~ P. C. B. DSP (2)
1