HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
44
44
• IC Block Diagrams
– CD Board –
IC201 TK63115SCL-G@GT
THERMAL &
OVER CURRENT
PROTECTION
VOLTAGE
REFERENCE
ON/OFF
CONTROL
VIN 1
GND 2
VCONT 3
NC
4
VOUT
5
+
–
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
REGULA
TOR
VCC
VCC
1
EN
2
GND
3
FLG
4 IN
5 OUT
GATE
CONTROL
UVLO
THERMAL
SHUTDOWN
CURRENT
LIMIT
FLAG
DELAY
VIN 1
CE 3
VSS 2
NC
4
VOUT
5
+
–
ON/OFF
CONTROL
CURRENT
LIMIT
VOLTAGE
REFERENCE
IC401 BA5826SFP-E2
– USB Board –
IC915 R5523N001B-TR-F
– BT Board –
IC903 XC6213B332MR
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
VDD 1
GND 2
CE 3
NC
4
REGULATOR
VOUT
5
1
A1
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
2
A2
3
B1
5
C1
6
C2
4
B2
11
VOL1
12
VOL2
13
TC2
14
TC1
7
D1
8
D2
9
SEL2
10
SEL1
INPUT
SELECTOR
TREBLE/
BASS
INVERTER
VOLUME
INPUT
GAIN
SURROUND
PC BUS
LOGIC
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
VCC
VCC
2
GND
3
C
5
OUT
4
CTL
1
–
+
VREF
DRIVER
OCP
TSD
OVP
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
– DAB Board –
IC801 TK11133CSCL-G
IC802 MM3291CNRE
– MAIN Board –
IC501 BD3499FV-E2
IC503 MC14052BDTR2
IC510 MC14052BDTR2
IC506 BA00BC0WT-V5
IC507 TK11150CSCL-G
Содержание HCD-HX50BTR
Страница 81: ...MEMO HCD HX50BTR HX70BTR HX80R HX90BTR 81 ...