Sony STR DA2400ES - 7.1 Channel Home Theater AV Receiver Service Manual page 85

– CIS Board –
IC861 MAX3222IPWR
POWERDOWN
EN 1
C1+ 2
V+ 3
C1– 4
C2+ 5
C2– 6
V– 7
DOUT2 8
RIN2 9
ROUT2 10
IC1402 SI-8008HFE
ON/OFF
PREG
SOFT
START
OSCILLATOR
COMPARATOR
–
+
–
+
+
ERROR AMP
1
20 PWRDOWN
19 VCC
18 GND
17 DOUT1
16 RIN1
15 ROUT1
14 NC
13 DIN1
12 DIN2
11 NC
OVERCURRENT
PROTECTION
LATCH
RESET
&
DRIVER
THERMAL
PROTECTION
REFERENCE
VOLTAGE
2 3 4 5
STR-DA2400ES/DG920
– DCDC CON Board –
IC1401 SI-8050S-LF1101
OVER
REGULATOR CURRENT
PROTECTOR
OSC RESET
+
–
COMPARATOR
+
–
ERROR AMP
1
IC1403 SI8008TM-TL
OVER
REGULATOR CURRENT
PROTECTOR
RESET
OSC
COMPARATOR
+
–
ON/OFF
SOFT
START +
–
ERROR AMP
1
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
VREF
2 3 4 5
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
VREF
2 3
4 5
85