Sony VPL-FX51 Service Manual page 119

GA (3/3) BA00ASFP-E2 (IC305)
Vcc
CTL
GND
GA (1/3) MC33262DR2 (IC101)
Multiplier
VPL-FX51
A B
Reference
2
–
Voltage
+
1 4 OUT
5 C
3
Zero Current Delector
2.5V Undervoltage
Reference Lockout
Multiplier,
Latch
PWM,
Timer,
& Overvoltage
Comparator
Logic
1.08 Vref
Error A mp
Multiplier Vref
3
Quickstart
6 2
GND Compensation
C
GA GA
GA (2/3) MCZ3001D (IC202)
REMOTE
VSENSE 1 VSENSE
Zero Current
5
Detect input
GND 5
8
V CC
7
Drive Output
GA (3/3) TL1451ACNSR (IC301, IC303)
Current Sense
4
Input
16
V REF
Voltage
1 Feadback
Input
OSCILLATOR
1
6-39 6-39
D E
18 8
OVLD VREF OVP TSD REG
CONTROL
LOGIC
LATCH
COUNTER
SS OSC
F/B TIMER
OCP
7 4 3 2 6
15 14 13 12 11 10 9
ERROR
AMP 2
ERROR
AMP 1
2 3 4 5 6 7 8
F G
14 VB
LEVEL
16 VG (H)
SHIFT
15 VS
10 VC2
12 VG (L)
11 PGND
9 OCP
H