Tc94A46Fg (Ic109) Audio P.w.b.; Tc94A32F (Ic301,303,305,307) Audio P.w.b. - Denon AVC-A11XV Service Manual

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TC94A46FG (IC109) AUDIO P.W.B.

NC 1
S05
2
NC 3
S06 4
NC
5
S07 6
NC 7
S08 8
NC 9
S09 10
NC 11
12
S10
NC 13
14
S11
15
NC
S12 16
17
NC
18
S13
19
NC
20
S14
21
NC
22
COM1
23
NC
24
COM2
TE
L 13942296513

TC94A32F (IC301,303,305,307) AUDIO P.W.B.

NC
1
VSS 2
Tr im VR
0~+24dB/
1dB step
TVR-REF 3
TVR-IN 4
TVR-OUT 5
MVR-OUT 6
Main VR
0~-95dB/
0.5dB step
MVR-A-GND 7
NC 8
MVR-IN 9
NC 10
CS1 11
GND 12
CK 13
14
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NC
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80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
L A T C H L A T C H L A T C H L A T C H L A T C H
Timing
generating
circuit
Level shift circuit
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
NC
28
27 VDD
Tr im VR
0~+24dB/
1dB step
26 TVR-REF
25 TVR-IN
24 TVR-OUT
23 MVR-OUT
Main VR
0~-95dB/
0.5dB step
22 MVR-A-GND
21 NC
20 MVR-IN
19 NC
18 CS2
17 STB
16 DATA
15
NC
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2 9
8
L A T C H L A T C H L A T C H
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
Q Q
3 6 7 1 3 1 5
Pin
Pin Name
No.
2 VSS
27 VDD
12 GND
3 L-TVR-REF Trim volume circuit
26 R-TVR-REF
L/R-TVR-REF
4 L-TVR-IN
25 R-TVR-IN
5 L-TVR-OUT
L/R-TVR-OUT
24 R-TVR-OUT
6 L-MVR-OUT Main volume circuit
23 R-MVR-OUT
7 L-MVR-AGND
22 R-MVR-AGND
9 L-MVR-IN
20 R-MVR-IN
Chip select code switching input
11 CS1
CS1 CS2
18 CS2
13 CK Clock input pin for data transfer
co
16 DATA A-SW control data input pin
17 STB Strobe input pin for data writing
.
1, 28,
8, 21, NC
10,19,
14,15
47
AVR-4806 / AVC-A11XV
9 4 2 8
NC
S05
NC
S06
NC
S07
NC
S08
NC
S09
NC
S10
NC
S11
NC
S12
NC
S13
NC
S14
NC
COM 1
NC
COM 2
0 5 8 2 9 9 4
Function
20kohm
L/R-TVR-IN
L/R-MVR-OUT
50kohm
L/R-MVR-AGND
20kohm
L/R-MVR-IN
Chip select code
L L 0 0 0 1
H L 1 0 0 1
L H 0 m 1 0 1
H H 1 1 0 1
9 9
2 8 9 9