Pioneer DEH-P80MP/XN/EW Service Manual page 77

5
- DC/DC Converter 2
VOLTAGE
DIVIDER
VOLTAGE
DIVIDER
OUTPUT PULSE
of IC201 PAL008A
Difference between VCC1 and VCC2 is detected with IC241 error amplifier to adjust the pulse output so that
VCC1 and VCC2 are identical.
5
6
VCC1
IC241 UPC494GS
ERROR AMP
COMPARATOR
TRIANGULAR
WAVE OSCILLATOR
SYNCHRONIZING
CIRCUIT
DEH-P80MP/XN/EW
6
7
DC/DC
CONVERTOR 2
PULSE VOLTAGE
OUTPUT BOOSTER
BATTERY
VOLTAGE
7
8
A
VCC2
RECTIFICATION
CIRCUIT
B
C
D
E
F
77
8