HCD-GPZ6/GPZ7
44
44
HCD-GPZ6/GPZ7
IC402
BA5947FM-E2
•
IC Block Diagrams
– BD Board –
1
LEVEL SHIFT
MUTING
D
15
16
+
–
+
–
D
D
17
18
D
19
20
VREF
21
22
23
24
25
26
27
28
PREVCC
OPOUT
OUTVREF
CH4CAPA
CH4IN
CH3FIN
CH3RIN
GND
MUTE
POWVCC
CH3OUTF
CH3OUTR
CH4OUTF
CH4OUTR
OPIN
–
2
OPIN+
INTERFACE
14
13
D
12
11
D
10
9
8
7
6
CH2FIN
CH2RIN
GND
5
4
CH1FIN
CH1RIN
VREFIN
POWVCC
CH2OUTR
CH2OUTF
CH1OUTR
CH1OUTF
INTERFACE
D
D
3
SW
INTERFACE
IC701
BA6956AN
– DRIVER Board –
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
IC309
PST3629NR
– MAIN Board –
VDD 2
OUT 1
GND 3
+
–
VREF
CD
5
NC
4
IC302
BD3402AKS2
– AU-TC Board –
1
D1
2
D2
3
E1
9
NC
10
NC
11
TAPE 1
12
TAPE 2
13
RECNF2
14
RECOUT2
5
PBNF2
6
PBOUT2
7
PBOUT1
4
E2
8
PBNF1
15
RECOUT1
16
RECNF1
33 VOLOUT1
34 NC
35 NC
36 VIN1
DIGITAL
CONTROL
64
C2
+
−
+
−
+
−
ALC
ATT
ALC
17
ALC
18
SC
19
SI
27
NC
28
NC
29
NC
30
NC
20
VDD
21
GND
22
VCC
23
NC
24
FILTER
32
VOLOUT2
25
NC
26
NC
+
−
BUFFER
MIX
31
NC
38 VIN2
37 TONE OUT1
48 NC
+
−
+
−
+
−
+
−
+
−
+
−
+
−
+
−
63
C1
62
B2
61
B1
60
A2
59
A1
45 NC
44 BNF1
42 BOUT2
41 BNF2
39 TONE OUT2
40 NC
47 NC
46 NC
43 BOUT1
58
NC
56
NC
55
NC
57
NC
+
−
INPUT
SELECT
+
−
+
−
54
LINEOUT1
53
LINEOUT2
52
NC
51
NC
49
TNF2
50
TNF1
TONE
CONTROL
TONE
CONTROL
ATT
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
