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47
IC400 MAX1626ESA-TE2 (MAIN BOARD)
VCOM
AINR
AINL
2
1
3
VREF
4
TEST
7
XTAI
9
XTALE
10
XTAO
8
SDTI
14
LRCK
11
BICK
12
SDTO
13
AGND
5
VA
6
A/D
CONVERTER
BLOCK
D/A
CONVERTER
BLOCK
CLOCK
GENERATOR
& DIVIDER
AUDIO
INTERFACE
CONTROLLER
CDTI
15
CIF
18
CLKO
21
AOUTL+
26
AOUTL–
25
DGND
24
VD
23
VT
22
AOUTR+
28
AOUTR–
27
PD
19
M/S
20
CS
17
CCLK
16
CONTROL
REGISTER
INTERFACE
H.P.F.
D-ATT
D-ATT,
S-MUTE
IC440 LB1830M-S-TE-L (MAIN BOARD)
IC451 XC6351A120MR (MAIN BOARD)
IC500 AK4524 (MAIN BOARD)
3
GND
2
4
CCE/
VOUT
5
VIN
6
C1-
C1+
1
CHIP
ENABLE
OSCILLATOR
P1
BUFFER
N2
N3 N4
Q
Q
Q
RS
TRIG
TRIG
MINIMUM ON-TIME
ONE-SHOT
MINIMUM OFF-TIME
ONE-SHOT
REF
ERROR
COMPARATOR
1.5V
CURRENT-SENSE
COMPARATOR
+
+
+
+
OUT
3/5
SHDN
REF
V+
CS
EXT
GND
1
2
3
4
7
8
5
6
R2
R3 R1
1
LOGIC
PREDRIVER
VREF
2 3
4
5
10 9 8 7
6
IN2 IN1 VM VREF VCONT
VCC OUT2 GND OUT1 VS