Sony HCD-CX4iP - Page 30

HCD-CX4iP/CX5iP
30
• IC Block Diagrams
– BD94D-V Board –
IC201 MM3404A15URE
VOUT
3
CE 1
GND
2
VDD
4
+
–
VOLTAGE
REFERENCE
CURRENT
LIMIT
BIAS
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
– MAIN Board –
IC301, 304, 306 TPS54331DR
GND
2
EN
3
IN
1
4 FAULT
5 ILLM
6 OUT
CHARGE
PUMP
UNDERVOLTAGE
LOCKOUT
THERMAL
SENSE
CURRENT
LIMIT
4-ms
DEGLITCH
8-ms
DEGLITCH
CURRENT
SENSE
DRIVER
+
–
RREVERSE VOLTAGE
COMPARATOR
IC470 TS3USB221RSER
1D+
D+
1
8
S
VCC
9
D–
7
1D– 2
OE
6
5
10
CONTROL
SWITCH
2D+ 3
2D–
GND
4