Read Sony VPL-HS51A / VPL-HS60 Service Manual online
6-29
VPL-HS60/HS51A
6-29
GA
GA
5
STARTUP
1 SOURCE/OCP
8 D
7 D
3 GND
VCC
2
FB/OLP
4
+
–
–
+
–
–
INTERNAL
BIAS
S Q
R
OFF TIMER
PWM LATCH
BIAS
OLP
OCP
BURST
FB
LATCH
DISCHARGE
BLANKING
BUFFER
DRIVE
DELAY
TSD
POWER MOS FET
OVP
UVLO
+
–
+
–
–
+
–
–
+
–
+
–
–
+
–
–
GA (1/2)STR-A6169 (IC100)
GA (1/2) TK11133CSCL-G (IC102)
CONTROL
CIRCUIT
OVER HEAT &
OVER CURRENT
PROTECTION
BANDGAP
REFERENCE
500k
Z
320k
Z
C
ONT
1
GND
2
NP
3
V IN
5
V OU
T
4
+
–
GA (2/2) MZ1540 (IC300)
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
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