Sharp QT-V5E Service Manual page 30

QT-V5E/QT-V5H
IC205 9HX03523130047: Audio Processor (PT2313L)
Pin No. Terminal Name Input/Output
1 RFE
2 VDD
3 AGND
4 TREB_L
5 TREB_R
6 RIN
7 ROUT
8 LOUD_R
9 RIN3
10* RIN2
11 RIN1
12 LOUD_L
13 LIN3
14 LIN2*
15 LIN1
16 LIN
17 LOUT
18 BIN_L
19 BOUT_L
20 BIN_R
21 BOUT_R
22* RROUT
23* LROUT
24 RFOUT
25 LFOUT
26 DGND
27 DATA
28 CLK
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
LIN1
LIN1
LIN2
LIN2
LIN3
LIN3
RIN3
RIN3
RIN2
RIN2
RIN1
RIN1
Supply
VDD AGND REF
INPUT Analog reference voltage (1/2 VDD).
INPUT Supply input voltage.
—— Analog ground.
INPUT Left channel input for treble controller.
INPUT Right channel input for treble controller.
INPUT Audio processor right channel input.
OUTPUT Gain output and input selector for right channel.
INPUT Right channel loudness input.
INPUT Right channel input 3.
INPUT Right channel input 2
INPUT Right channel input 1
INPUT Left channel loudness input.
INPUT Left channel input 3.
INPUT Left channel input 2.
INPUT Left channel input 1.
INPUT Audio processor left channel input
OUTPUT Gain output and input selector for left channel.
INPUT Left channel input for bass controller.
OUTPUT Left channel output for bass controller.
INPUT Right channel input for bass controller.
OUTPUT Right channel output for bass controller.
OUTPUT Right rear speaker output.
OUTPUT Left rear speaker output.
OUTPUT Right front speaker output.
OUTPUT Left front speaker output.
—— Digital Ground
INPUT Control data input
INPUT Clock input for serial data transmission.
LOUT LIN LOUD_L BOUT_L BIN_L
Volume &
Loudness
Input
Selector
& Gain
Control
Volume
&
Loudness
ROUT RIN LOUD_R BOUT_R BIN_R TREB_R
Figure 6-3 BLOCK DIAGRAM OF IC
Function
TREB_L
R B
Bass Treble
Serial Bus Decoder & Latches
Bass Treble
R B
6 – 3
Speaker
ATT
LFOUT
Mute
Speaker
ATT
LROUT
Mute
CLK
DATA
DGND
Speaker
ATT
RFOUT
Mute
Speaker
ATT
RROUT
Mute