Pioneer GEX-FM903XM/UC Service Manual page 68

GEX-FM903XM
BP5250
CONTROL CIRCUIT
TRIANGLE OSCILATOR
Fosc = 190kHz
DRIVE
CIRCUIT
7 6 5 4
ADJ
IS GND
VOUT
HA178L06UA
REGULATOR
1 2 3
OUT GND VCC
BU2611AFS
VSS PD2
16 15
P4
XIN
XOUT
FMIN
AMIN
1 2
IN OUT
66
OVER CURRENT
DETECTION
CIRCUIT
3 2 1
VIN CTL
SW
PD1 VDD2
14 13
REFERENCE DIVIDER
PRESCALER
3 4 5
CE CK
3 4
CE CK
*S-80827ANUP-EDQ
1
GND
VDD1 FMIN
12 11
PHASE
DET
MAIN COUNT
SHIFT REGISTER LATCH
7 8 9
DA P1 P2 P3
5 6
DA P4
VREF
2
VDD VSS
AMIN P3
10 9
PD1
CHARGE
PUMP
PD2
VDD
VSS
7 8
P1 P2
3