Sharp XL-UH4H Service Manual page 50

IC501 92L31000731400 : VOLUME CONTROLLER ( SC7314 )
16
15
14
13
10
11
C
REF 28
OUT IN LOUDNESS
(L) (L) (L)
18 17 12
Input selector
Gain control
Vol Control
2
I C BUS Decode + Data Storage Lock
8
9
Vol Control
Input selector
Gain control
Vcc
5
1 2 6 7
V GND OUT IN LOUDNESS
DD
(R) (R) (R)
Figure 7-8 BLOCK DIAGRAM OF IC
SC7314
B-OUT B-IN TREBLE
(L) (L) (L)
20 19 3
Bass Treble
Control Control
Bass Treble
Control Control
4
22 21
B-OUT B-IN TREBLE
(R) (R) (R)
7 – 10
Audio
OUTPUT
24 Lout
Mute
27 SCL
26 SDA
25 GND
Audio
OUTPUT
23 Rout
Mute
XL-UH4H