Sony VPL-PX41 Service Manual page 131

GB (3/3) BA00ASFP-E2 (IC302, IC307)
GB (3/3) BA00AST (IC301, IC305)
Reference
Vcc
2 –
Voltage
+
CTL 1 4 OUT
5 C
GND 3
GB (2/3) MAX1626ESA-TE2 (IC201)
1.5V
MINIMUM ON-TIME
ERROR ONE-SHOT
COMPARATOR
TRIG Q
R2
OUT
1
+
R3 R1
TRIG Q
MINIMUM OFF-TIME
3/5 ONE-SHOT
2
+
SHDN 3
REF
Q
R S
REF
4
CURRENT-SENSE
COMPARATOR
VPL-PX41
A B
GB (1/3) MCZ3001D (IC102)
REMOTE
OVLD
VSENSE 1 VSENSE
SS OSC
GND 5
8 GND
7 EXT
7 4 3 2
6 CS
5 V+
C D
GB GB
18 8
VREF OVP TSD REG
14 VB
LEVEL
16 VG (H)
SHIFT
15 VS
CONTROL
10 VC2
LOGIC
LATCH
12 VG (L)
11 PGND
COUNTER
F/B TIMER
OCP 9 OCP
6
6-45 6-45
E F G H