Sony VPL-PX41 Service Manual page 124

GA BOARD
* : B SIDE
D401 * D-1
D402 * D-1
D403 B-1
D404 * D-2
D405 B-4
D406 C-5
D407 * C-5
D408 * C-5
D409 * C-3
D410 * D-3
D411 * C-5
IC401 * C-4
Q401 * D-1
Q402 * D-2
Q403 * D-3
Q404 * D-3
Q405 * C-4
Q406 * C-4
Q407 C-5
CN402
R425
CN404
CN403
C410
A401
D406 Q407
R422
C409
C407
C402 C403
A402
D403
RY401
R401
GA
-A SIDE-
SUFFIX: -12
6-38
GA GA
J L 4 1 2 J L 4 1 1
J L 4 1 3
J L 4 1 4
J L 4 1 5
D 4 0 8
R 4 2 4
D 4 0 7 D 4 1 1
R 4 2 8
Q 4 0 6
R 4 1 5
R 4 1 6
R 4 1 7
R 4 4 3
R 4 1 8
Q 4 0 5 R 4 1 9
I C 4 0 1
R 4 2 0
C 4 1 2 R 4 2 1
Q 4 0 3
C 4 0 8
R 4 1 0
Q 4 0 4
R 4 1 2
C 4 0 5
R 4 1 3
J L 4 0 6
J L 4 0 8
Q 4 0 2
J L 4 0 7
R 4 0 6
R 4 0 2
R 4 0 3
D 4 0 1
Q 4 0 1
R 4 0 5
J L 4 0 1
J L 4 0 4 J L 4 0 3
J L 4 0 2
6-38
J L 4 1 0 J L 4 0 9
J L 4 0 5
GA MC33262DR2 (IC401)
Zero Current Delector
GA
-B SIDE-
2.5V Undervoltage
SUFFIX: -12 Reference Lockout
Multiplier,
Latch
PWM,
Timer,
&
Logic
Multiplier Multiplier
3
6
GND Compensation
Zero Current
5
Detect input
8 V
CC
7
Drive Output
Current Sense
4
Input
Overvoltage
Comparator
1.08 Vref
Error A mp
Vref
Voltage
1
Feadback
Input
Quickstart
2
VPL-PX41