JVC JX-S555 Service Manual page 42

POWER BLOCK
AC IN
120V/60Hz
AC120V
Notes on this schematic diagram
1. Values are voltages measured with a circuit tester (internal resistance: 20 k /V)
2. The circuit diagram printed in this service manual is just a standard. The circuitry
163V
8.7V
161V
4.8V
0V
0V
0V
4.8V -0.5V
0V
6.3V
-0.5V
at respective points of the circuits with the power switch turned on.
and circuit constants are subject to change for improvement without notice.
9.5V 9.1V
0V 3.0V
5.9V
9.5V
6.6V
6.8V
9.5V 6.6V
1.8V
0V
-0.2V
-9.8V -6.6V
-6.6V
-9.8V
-6.0V
9.0V
9.5V
5.8V
8.0V
2.5V
5.8V
0V
0V
3. Parts marked with A (in the shaded
area) are important as safety parts.
When replacing them, make sure to use the specified parts to ensure safety.
0V
0V
6.8V
0V
0V
5.3V
2.5V
JX-S555(J)
(No. 70251SCH) 7