Sony HCD-FX300i US Service Manual page 32

HCD-FX300i
– PANEL Board –
IC301 BD3491FS-SE2
B1 1
B2 2
C1 3
C2 4
D1 5
INPUT
SELECTOR INPUT
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
IC970, 980 TK11140CSCL-G
5
OVER HEAT &
OVER CURRENT
PROTECTION
CONTROL
–
CIRCUIT
+
BANDGAP
REFERENCE
1 2
32
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
4
3
IC802 S-80928CNNB-G8YT2G
VSS 1
VREF
+
DELAY
CIRCUIT
–
VDD 2
IC981 BD8410FPS-E2
OVER CURRENT
OCP 1
PROTECTION
VIN 2
VOLTAGE
–
REFERENCE
+
STBY 3 STANDBY
THERMAL
SHUTDOWN
VOUT 4
OCOUT 5
4 OUT
3 CD
FIN GND
DISCHARGE