
HBD-TZ215/TZ715
HBD-TZ215/TZ715
44
44
• IC Block Diagrams
– MAIN Board –
IC307 TC7WH157FK
IC400 MM1508XNRE
SELECT
11
6
ST
11
7
A 1
2
3
A
B
Y
5
Y
B
GND 4
VCC
8
Y
EN G
Y
IC1501 BD8203EFV-E2
IC509 SI-3010KM-TLS
IC507 MM1665AHBE
IC510 MM1663DHBE
IC401 MC14052BDTR2
IC504 BD00GA3WEFJ-E2
IC404 PCM1808PWR
IC403 TK11190CSCL-G
1
SW
2
OUT
3
VCC
6dB
DRIVER
BIAS
CLAMP
CLAMP
4 IN2
6 IN1
GND
5
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
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
DELTA-SIGMA
MODULATOR
DELTA-SIGMA
MODULATOR
ANTIALIAS
LOW-PASS FILTER
ANTIALIAS
LOW-PASS FILTER
AGND
VCC
2
3
VDD
DGND
4
5
LRCK 7
REFERENCE
u
1/64
DECIMATION
FILTER
WITH
HIGH-PASS
FILTER
SERIAL
INTERFACE
&
MODE/FORMAT
CONTROL
FMT
12
VINR
14
VINL
13
MD1
11
MD0
10
DOUT
9
BCK
8
CLOCK & TIMING CONTROL
POWER
SUPPLY
SCKI 6
VREF 1
5
7
8
2
1
3
VOUT
FB
GND
4
N.C.
VCC
N.C.
6
N.C.
EN
+
SOFT
TSD
OCP
4
1 2
3
CN
VOUT
NC
GND
REFERENCE
BIAS
CURRENT
LIMITTER
DRIVER
THERMAL
SHUTDOWN
8
VIN
7
NC
6
NC
5
CONT
1
VC
TSD
2
VIN
3
GND
4
VOUT
5
ADJ
+
–
REF
REGVAR
39
REGVARVCC
38
REGCTL
37
IN4
21
IN3
22
IN2
23
IN1
24
VCO
25
VCI
26
VSPDL
27
OPIN+
28
OPIN–
29
OPOUT
30
SGND
40
SGND 1
REG5 2
PREVCC
PREVCC
OPVCC
SGND
SGND
SGND
SGND
3
PVCC1 4
PGND
PGND
5
VO1+ 6
VO1– 7
VO2+ 8
VO2– 9
VO3+ 10
VO3– 11
VO4+ 12
VO4– 13
LEVEL
SHIFT
MUTE123
PGND
PGND
16
OPVCC
PREVCC
(VC)
SGND
31
SGND
SGND
SGND
32
MUTE123
33
VO5+ 14
VO5– 15
PVCC2 17
VCTL 18
FWD 19
RVS 20
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LOADING
CONTROL
MUTE4
MUTE4
34
TSD
STBY
TSDM
35
REGRST
36
VDD 2
OUT 1
VSS 3
+
–
VREF
CD
5
NC
4
DELAY
CIRCUIT
IC506 S-80935CNMC-G85T2G