GXW-5.1
1G
2G
3G
4G
5G
6G
7G
8G
9G
10G
11G
13G
14G
15G
P1
P2
P3
P4
P5
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
Vdd
18
0
P6
STBY/RECV
27
9
VFL
Not used
37
8
P7
Not used
47
7
P8
Not used
57
6
P9
Not used
67
5
P10
SDO
77
4
P11
SCK
87
3
P12
Not used
97
2
P13
RESET
10
71
P14
X2
11
70
P15
X1
12
69
P16
GND
13
68
P17
XT2
14
67
Not used
GND
15
66
+5V
16
65
GAINCTL
VOLSLT
17
64
Not used
18
63
POWER
~DSPRST
19
62
Not used
~DSPCS
20
61
ENC2
Not used
21
60
ENC1
DSPSCK
22
59
Not used
DSPSDO
23
58
FS96
DSPSDI
24
57
ERF
GND
25
56
Not used
26
55
Not used
Not used
27
54
Not used
MODE
28
53
BTA15
Not used
29
52
BTA16
Not used
30
51
BTA17
32
33
34
35
36
37
38
39
40
41
42
43
44
46
47
48
49
50
THERM_IN
Not used
K0
+ 5
V
+ 5
V
SYSIN
~POFF
Not used
~REMIN
GND
Not used
AMUT
~ABOOT/~INT
Not used
Not used
+5V
Not used
~CODECPD
~DIRPD
31
45
DIRCS
FAN HL
FAN CTL
12G
LEVEL IN
uPD780204GF-091-3BA
Q7001
V load
Power switch
Volume
U7001
GP1U281X
Q707
MX27C2000
EPROM
BTA17
BTA16
BTA15
Q801
AK4527
96kHz CODEC
Q704
CS492604
DSP
AB/INT
96FS
DSPRST
Q701
AK4112A
96kHz 24bit
DIR
DIRPD
CODECPD
DSPCS
DIRCS
DSPSCK
DSPSOO
SDPSOI
ERF1
Q301
TC9482N
Electro volume
DATA
CK
Q503
TDA85630
Power IC
Power
Audio mute
From power muting circuit
STB
Q305
Q326
Gain control
Q510
Fan control
MICROPROCESSOR CONNECTION DIAGRAM
FL tube
X7001
5MHz