JVC RX-DV31SL Service Manual page 40

6.18M61516FP (IC301) : Sound controller
• Pin layout & Block diagram
TRE R
BASS R2
BASS R1
FRIN2
SRIN2
SBRIN2
SWIN2
CIN2
SBLIN2
SLIN2
FLIN2
VOLGND3
VOLGND4
BALANCE L/+
BALANCE L/-/LOUD L
INGND
BALANCE R/-/LOUD R
BALANCE R/+
REC R4
REC R3
REC R2
REC R1
INRJ
INRI
1-40 (No.22023)
41
OUTPUT GAIN
42
CONTROL
43
TONE OUTPUT
50K
SELECTOR
44
50K
45
FL VOL
LOUDNESS
46
TAP B
47
48
49
FRONT INPUT
50K
50 SELECTOR
SR VOL SBR VOL
51
52
53
54
BALNCE/LOUDNESS
CHANGE SW
10K
+
-
55
Lch
10K
A
LOUDNESS TAP
B BALANCE OUTPUT
56
Rch
10K
57
10K
BALNCE/LOUDNESS
CHANGE SW
58
REC SW
INPUT GAIN
CONTROL
59
REC SW
50K
60
REC SW
61
REC SW
62
63
64
OUTPUT GAIN
CONTROL
TIMER DETECTOR
50K
50K
FL VOL
LOUDNESS
TAP A
50K 50K 50K 50K 50K
SW VOL C VOL SBL VOL SL VOL
INPUT INPUT
SELECTOR SELECTOR
24 DVDD
MCU
I/F
23 TINT
ZERO CROSS
DETECTOR &
22 VOLGND2
21 FLVIN
20 TNEOUT
TONE OUTPUT
SELECTOR
19 TREL
18 BASS L2
17 BASS L1
16 FRIN1
15 SRIN1
FRONT INPUT
SELECTOR
14 SBRIN1
13 SWIN1
12 CIN1
11 SBLIN1
10 SLIN1
9 FLIN1
8 VOLGND1
REC SW
7 REC L4
INPUT GAIN
REC SW
CONTROL
6 REC L3
50K
REC SW
5 REC L2
REC SW
4 REC L1
3 INLJ
2 INLI
1 INLH