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• Main section
IC304 BA6780
1
INIT
2
3
4
5
6
7
8
9
10
11
12
13
14
D Vdd 2
SYSM
L1 (+)
ATT
A Vdd L
SHIFT
L2 (+)
LATCH
A Vss L
256FSO
X Vss
TEST1
512IN
D Vss
X OUT
MCKSEL
X Vdd
XBCK
A Vss R
DATA
R2 (+)
LRCK
A Vdd R
MUTE L
R1 (+)
MUTE R
D Vdd 1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
MODE
S/P
ATT
IIR
FIR3
FIR2
FIR1
PLM
PLM
MUTE
CIRCUIT
CLOCK
GENERATOR
AC
DITHER
DC
DITHER
3RD ORDER
NOISE SHAPER
SAMPLE
HOLD (X1)
TIMING CIRCUIT
IC301 CXD8567AM
VIN2
FIN2
RIN2
CT2
VEE
FBIN-
FBIN+
OUT2+
OUT2-
VIN1
FIN1
REVERSIBLE DRIVER
FWD/REV CONTROLLER
COVERNER DRIVER
FWD/REV CONTROLLER
COVERNER
LOAD CURRENT
DETECTION
AMPLIFIER
COVERNER
OUTPUT
REFERENCE
VOLTAGE OUTPUT
LOW VOLTAGE
OUTPUT
RIN1
IOUT
VEE
VEE
VCC
VREF
VREG
VCC
OUT1+
+-
OUT1-
18
17
16
15
1
2
3
4
5
6
7
8
9
14
13
12
11
10
IC601 LA5602
1
2
3
4
5
7
6
V IN
EN
GND
CDEL
CN
RES
V OUT
REFERENCE
VOLTAGE
OVER HEAT
PROTECTION
OVER CURRENT
LIMITTER
ON/OFF
RESET
GEN
ERROR
AMP
2
5
5k
+
–
27k
OVERCURRENT
LIMITTER
OVERHEAT
PROTECTION
REFERENCE
VOLTAGE
GND
ON/OFF
IN
REFERENCE
VOLTAGE
OUT
3
4
1
IC603 M5293L
