Sony HCD-BX77DBi - IC BLOCK DIAGRAMS; Integrated Circuit Block Diagrams

HCD-BX77DBi
HCD-BX77DBi
3636
• IC Block Diagrams
– CD Board –
IC201 TK63115SCL-G@GT
THERMAL &
OVER CURRENT
PROTECTION
VOLTAGE
REFERENCE
ON/OFF
CONTROL
VIN
1
GND
2
VCONT
3 NC4
VOUT5
+
–
IC401 BA5826HFP-E2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
THERMAL
SHUT-DOWN
REGULATOR
BIAS TRAP
LEVEL
SHIFT
MUTE
LEVEL
SHIFT
D.BUFF
D.BUFF
D.BUFF
GND
IN4
IN4'
BIAS
VCC
VCC
IN3'
IN3
VO3(+)
VO3(–)
VO4(–)
VO4(+)
RESETt
OPIN
VO1(–)
REGB
VO1(+)
IN1
RESET
REGOUT
MUTE
GND
IN2'
IN2
VO2(+)
VO2(–)
GND
OPOUT
D.BUFF
D.BUFF
D.BUFF
D.BUFF
D.BUFF
REGULATOR
VCC
VCC
– DAB Board –
IC801 TK11133CSCL-G
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
IC802 TK68112AS2G0L-C
1VIN
2GND
3VCONT
REFERENCE
VOLTAGE
ON/OFF
CONTROL
THERMAL & OVER
CURRENT PROTECTION
VOUT
5
NC
4
+
–
– IP Board –
IC102 TK11133CSCL-G
– MAIN Board –
IC201 R5523N001B-TR-F
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
1EN
2GND
3FLG
4IN
5OUT
GATE
CONTROL
UVLO
THERMAL
SHUTDOWN
CURRENT
LIMIT
FLAG
DELAY
IC304 BD3499FV-E2
1A1
18 BCB1
17 BCA1
16 BCA2
20 SB2
19 OUT2
22 SB1
21 SR
24 VCC
23 OUT1
26
SDA
25
SCL
28 FIL
27 GND
15 BCB2
2A2
3B1
5C1
6C2
4
B2
11
VOL1
12
VOL2
13TC2
14TC1
7D1
8D2
9SEL2
10SEL1
INPUT
SELECTOR
TREBLE/
BASS
INVERTER
VOLUME
INPUT
GAIN
SURROUND
PC BUS
LOGIC
IC311 BA6956AN
1 2 3 4 5 6 7 8 9
CONTROL LOGIC
TSD
VREF
OUT2 OUT1
RNF
VM
VCC
FIN
GND
RIN
IC312 MC14052BDTR2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2Y0
1Y2
VCC
1Y1
1-COM
1Y0
1Y3
A
B
GND
GND
INH
2Y1
2Y3
2-COM
2Y2