Read Sony VPL-HS20 Service Manual online
6-36
VPL-HS20
6-36
G
G
G (1/2) MZ1540 (IC600)
10
9
8
7
6
5
4
3
2
1
11
10
9
8
7
6
5
4
3
2
1
Cathode
Comparator
Output
Output
Vcc
GND
Drain
Drain
Gate
Input
Voltage
Sensing
Voltage
Sensing
Source
Zero
Current
Sensing
Current
Sensing
G (2/2) TL431BCDR2 (IC701)
3
6
2
5
8
1
4
7
K
A
A
NC
REF
A
A
NC
G (2/2) MCZ3001DB (IC731)
V
SENSE
REMOTE
OSC
SS
LATCH
CONTROL
LOGIC
TIMER
F/B
TSD
DRIVER
REG. 10 V
LEVEL
SHIFT
OCP
OVLO
15V/8V
INTERNAL
REF 5V
OVP
COUNTER
V
SENSE
SS
CT
RT
F/B
TIMER
OCP
P.GND
VGL
C2
VS
VGH
VB
VC1
VD
1
8
18
14
16
15
12
10
11
9
6
2
4
7
3
G (2/2) TA75W393FU-TE12R (IC725)
8
7
6
5
1
2
3
4
OUT
IN(-)
IN(+)
VEE
V
CC
OUT
IN(-)
IN(+)
A
-
+
B
+
-
7
EXT
4
REF
8
(FB)
2
3/5
3
SHDN
5
V+
6
CS
1
OUT
CURRENT-SENSE
COMPARA TOR
COMPARA TOR
1.5V
TRIG
R1
R3
R2
Q
Q
R
S
MINIMUM OFF-TIME
ONE-SHOT
+
–
+
+
–
REF
MINIMUM ON-TIME
ONE-SHOT
TRIG
Q
–
+
G (2/2) MAX1626ESA-TE2 (IC730)
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