Sony ZS-RS70BT Service Manual page 52

ZS-RS70BT/RS70BTB
IC905 S-T111B33MC-OGSTFG
ON/OFF 1
ON/OFF
CIRCUIT
VSS
2
NC
3
– DAB Board –
IC905 BD33HA3WEFJ-E2
8 7 6
OVER CURRENT
PROTECT
SOFT
START
+
+
THERMAL
SHUTDOWN
2
1
– MAIN Board –
IC302 BD3491FS-SE2
B1 1
B2 2
C1 3
C2 4
D1 5
INPUT
INPUT
SELECTOR
D2 6
GAIN
E1 7
E2 8
F1 9
F2 10
SEL2 11
BUFFER
SEL1 12
VOL1 13
VOLUME
VOL2 14
TC2 15
TC1 16
TREBLE/
BASS
52
OVER CURRENT
PROTECTOR
REFERENCE
VOLTAGE CIRCUIT
5
3 4
32 SDA
31 SCL
30 FIL
29 GND
28 SDA
I2C BUS
LOGIC
27 SCL
26 VCC
25 OUT1
SURROUND
24 SB1
23 SR
22 SB2
21 OUT2
20 BCB1
19 BCA1
18 BCA2
17 BCB2
5 VIN
4 VOUT
IC906 BU12TD3WG-TR
VIN 1
GND 2
VREF
OCP
TSD
STBY
STBY 3
IC304 BA5417
BS
1 2 3 4 5
+
5 VOUT
4 N.C.
DISCHARGE
T.S.D.
+
–
STANDBY
BS FILTER
6 7 8 9 10 11 12
+
–
13 14 15