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