Sony XAV-A1 Service Manual page 66

XAV-A1
IC401 BD3827K
33 32
FIN2F 34
FIN1F
35
2ch
FADER
OUT2R 36
(0 to − 72, − ∞ dB)
1ch
FADER
OUT1R 37
(0 to − 72, − ∞ dB)
2ch
FADER
OUT2F 38
(0 to − 72, − ∞ dB)
1ch
FADER
OUT1F 39
(0 to − 72, − ∞ dB)
VCC 40
ADJ
41
CLK
42
DATA 43
DGND 44
1 2
IC451 LC7527E-E
RF1C3 49
R-BAND1
RF1C2 50 CONTROL
BLOCK
RF1C1 51
52
NC
RIN2 53
RIN1
54
RVREF 55
AVEE 56
DVEE 57
LVREF 58
59
LIN1
LIN2 60
NC 61
LF1C1 62
L-BAND1
LF1C2 63 CONTROL
BLOCK
LF1C3
64
66
31 30 29 28
SW ATTENUATOR
(0 to − 28, − ∞ dB)
1ch + 2ch
1ch
SCF BPF
BASS GENERAL
TREBLE PURPOSE
VOLUME
(0 to − 72, − ∞ dB)
LOUDNESS
1ch
INPUT GAIN1
(0 to +20 dB)
INPUT GAIN1
(0 to +20 dB)
DUAL MODE INPUT SELECTOR
(4 SIGNAL STEREO INPUT AND 1 GROUND ISOLATION INPUT)
3 4 5 6 7
48 47 46 45 44 43 42 41 40
R-BAND2 R-BAND3 R-BAND4
CONTROL CONTROL CONTROL
BLOCK BLOCK BLOCK
L-BAND2 L-BAND3 L-BAND4
CONTROL CONTROL CONTROL
BLOCK BLOCK BLOCK
1 2 3 4 5 6 7 8 9
27 26 25 24 23
2ch
SCF BPF
BASS GENERAL
TREBLE PURPOSE
VOLUME
(0 to − 72, − ∞ dB)
LOUDNESS
LOUDNESS 2ch LOUDNESS
ON/OFF ON/OFF
2ch
1ch
2ch
INPUT GAIN2
(0 to +20 dB)
1ch
INPUT GAIN2
(0 to +20 dB)
8 9 10 11
39 38 37 36 35 34 33
R-BAND5 R-BAND6
CONTROL CONTROL
BLOCK BLOCK
SHIFT REGISTER
& LATCH
L-BAND5 L-BAND6
CONTROL CONTROL
BLOCK BLOCK
10 11 12 13 14 15 16
22 SEL2
21 VOL2
20 LOUD2
19 LOUD1
18 VOL1
17 SEL1
16 POUT2
15 POUT1
14 E2
13 E1
12 D2
32 RF7C1
R-BAND7
CONTROL 31 RF7C2
BLOCK
30 RF7C3
29 NC
28
VSS
27 CE
DI
26
CONTROL 25 CL
24 S1
23 AVDD
22 DVDD
21 NC
20
NC
19 LF7C3
L-BAND7
CONTROL 18 LF7C2
BLOCK
LF7C1
17