Sony STR-DA3200ES Service Manual page 107

IC6902 NJM2595M-TE2
VOUT1 1
SW5 2
VIN5 3
SW3 4
VIN4 5
SW4 6
VIN3 7
V– 8
– DCDC-1 Board –
IC1403 SI-8050S-LF1101
OVER
REGULATOR CURRENT
PROTECTOR
OSC RESET
+
–
COMPARATOR
+
–
ERROR AMP
1
6dB 75Ω
AMP DRIVER
6dB 75Ω
AMP DRIVER
6dB 75Ω
AMP DRIVER
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
VREF
2 3 4 5
– DISPLAY Board –
IC703 NJM2173AV (TE2)
OUT1 1
AMP1
DC CUT1 2
IN1 3
16 V+
MIC V+1 4
REG 5
15 VOUT2
NOISE 6 REG
GND 7
14 SW1
13 VIN1
12 GND
11 VOUT3
10 SW2
9 VIN2
IC1404 SI-8120JF
REGULATOR
ON/OFF
OSC
SOFT
COMPARATOR
START
ERROR AMP
1
STR-DA3200ES/DG1000
14 OUT2
AMP2
13 DC CUT2
12 IN2
11 MIC V+2
GV 10 GV
9 STBY
8 V+
OVER
CURRENT
PROTECTOR
LATCH
RESET
&
DRIVER
+
OVER HEAT
–
PROTECTOR
+
–
VREF
2 3 4 5
107