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HCD-RG100
• IC Block Diagrams
IC201 BA3126N (MAIN BOARD)
1
2
3
IC251 BA5947FM (BD80A BOARD)
19
CH4OUTR
D
CH4OUTF
20
D
CH3OUTF
21
D
CH3OUTR
22
D
POW
VCC
23
POWVCC
(ch3, 4)
50k 50k
24
MUTE
25
GND
GND
26
PREGND
27
28
CT
CH3RIN
29
CH3FIN
30
100k
31
CH4IN
PIN3
CH4CAPA
32
10k
50k
OUTVREF
33
DPOUT
34
Pre
35
TREVCC
Vcc
36
NC
HCD-RG100
4
5
6
7
8
9
CH1PUTF
D
18
D
CH1OUTR
17
D
16
CH2OUTF
19k
PIN26
6.5k
D
15
CH2OUTR
10k
Vref
POW
VCC
14
POWVCC
(ch1, 2)
50k 50k
POW
13
CNF4
VCC
50k 50k
12
GND
Vref
11
C-M
10
C-P
9
VG
8
CH2RIN
7
CH2FIN
6
CH1RIN
5
CH1FIN
SW
4
SW
3
OPIN+
2
OPIN-
1
NC
IC701, 712 BA6956AN (DRIVER BOARD)
IC101 BD3401KS2 (MAIN BOARD)
48
47
46
45
TNF2
49
BASS
MIDDLE
TNF1
50
SUR1
51
SURROUND
SUR2
52
ATT
ATT
+
LINEOUT2
53
-
+
+
LINEOUT1
54
-
SAOUT2
55
56
SAOUT1
CAP
57
MIC
58
GAME L
59
GAME R
60
TUNER L
61
INPUT
TUNER R
62
SELECTOR
MD L
63
MD R
64
1
2
3
4
44
44
TSD
CONTROL LOGIC
1
2
3
4
5
6
7
8
9
44
43
42
41
40
39
38
37
36
TREBLE
+
BASS
MIDDLE
TREBLE
+
-
BUFFER
MIX
MIC MIX
VOCAL FADER
+
+
-
5
6
7
8
9
10
11
12
13
35
34
33
+
32
VOLOUT2
-
+
31
BBNF2
-
+
BBIN2
30
29
LF1
G
fc=100HZ
28
LF2
f
LF3
27
LF4
26
+
25
SWOUT
-
24
FILTER
23
1/2 Vcc
Vcc
22
21
GND
20
VDD
SI
19
18
SC
ALC
ALC
ALC
17
14
15
16
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