Sony HCD-PZ1D - Page 71

HCD-PZ1D
71
IC181 TK11150CSCL-G IC182 TC74LVX4053FT (EL)
IC901 SI-3010KM-TLS IC921, 931 SI-8008TFEK
IC951, 972 SI-8001FFEK
IC973 NJM2505AF (TE2)
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
C
B
A
OX
IX
X-COM
Y-COM
VCC
GND
VEE
INH
OZ
Z-COM
IZ
OY
IY
C
OUT
IN
C
OUT
IN
C
OUT
IN
C
OUT
IN
C
OUT
IN
C
OUT
IN
LOGIC LEVEL CONVERTOR
1VC
TSD
2VIN
3GND
4VOUT
5ADJ
+
–
REF
IN
1
SW
2
SS
5
ADJ
4
LATCH
&
DRIVER
ERROR AMP
COMPARATOR
OSCILLATOR RESET
OVERCURRENT
PROTECTION
THERMAL
PROTECTION
REFERENCE
VOLTAGE
GND
3
ON/OFF
SOFT
START
PREG
+
+
+
–
–
IN
1
SW
2
SS
5
ADJ
4
LATCH
&
DRIVER
ERROR AMP
COMPARATOR
OSCILLATOR RESET
OVERCURRENT
PROTECTION
THERMAL
PROTECTION
REFERENCE
VOLTAGE
GND
3
ON/OFF
SOFT
START
PREG
+
+
+
–
–
4
Vin
VGND
V+
GND
Vout
–
+
1
2
3
5