Sony HCD-FX205 - IC301 Block Diagram (Panel Board); IC970, 980 Block Diagrams; IC981 Block Diagram

HCD-FX200/FX205
28
– PANEL Board –
IC301 BD3491FS-SE2
1B1
20 BCB1
19 BCA1
18 BCA2
22 SB2
21 OUT2
24 SB1
23 SR
26 VCC
25 OUT1
28
SDA
27
SCL
30 FIL
29 GND
17 BCB2
2B2
3C1
5D1
6D2
4
C2
13
VOL1
14
VOL2
15TC2
16TC1
7E1
8E2
11SEL2
12SEL1
INPUT
SELECTOR
TREBLE/
BASS
BUFFER
VOLUME
INPUT
GAIN
SURROUND
I2C BUS
LOGIC
9F1
10F2
32
SDA
31
SCL
IC802 S-80928CNNB-G8YT2G
1VSS
2VDD
3CD
4OUT
+
–
DELAY
CIRCUIT
VREF
IC970, 980 TK11140CSCL-G
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
IC981 BD8410FPS-E2
VIN 2
VOUT
4
OCOUT
5
STBY
3
GND
FIN
OCP
1
VOLTAGE
REFERENCE
STANDBY
OVER CURRENT
PROTECTION
THERMAL
SHUTDOWN
+
–
DISCHARGE