Sony NAS-E35HD - Page 62

NAS-E35HD/SS-CE35HD
62
IC404 TK11133CSCL-G
IC904, 906 SI-8050S-LF1101
IC907 SI-8120S
IC905 TK11100CSCB-G
– DISPLAY Board –
IC401 SN74LV123ANSR
– D/D CON Board –
IC902 PQ1CG2032FZ
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
CLR
Q
Q
CLR
Q
Q
1A
1B
1 CLR
CEXT 2
2 REXT/CEXT
1Q 2Q
GND
VCC 1 REXT/CEXT CEXT 1 1Q 2Q 2 CLR 2B 2A
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
1
VIN
2
VOUT
3
COM
4
OADJ
5
ON/OFF
ON/OFF
CIRCUIT
VOLTAGE
REGULATOR
SOFT START
R
Q
S
OVERCURRENT
DETECTION
CIRCUIT
OCSILLATION
OVERHEAT
DETECTION
CIRCUIT
+
–
–
+
PWM COMPARATOR
ERROR
AMP
OVER
CURRENT
PROTECTOR
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
REGULATOR
+
–
+
–
RESET
VREF
COMPARATOR
ERROR AMP
OSC
1
VIN
2
SW OUT
3
GND
4
VOS
5
S.S
VOUT
1
FB
2
VIN
3
NOISE PASS
6
GND
5
VCONT
4
CONTROL
CIRCUIT
OVER HEAT
PROTECTION
&
OVER CURRENT
PROTECTION
+
–
BANDGAP
REFERENCE