Adcom GTP-740 - Page 23

23
IC BLOCK DIAGRAM GTP-740
AC3 ASSEMBLY
U013, U107: 74HC04
11A 14 Vcc
21Y 13 6A
32A 12 6Y
42Y 11 5A
53A 10 5Y
63Y 94A
7GND 84Y
AC3 ASSEMBLY
U019: 74HC393
11CK 14 Vcc
(2)
(3)
(4)
(5)
(6)
(11)
(10)
(9)
(8)
(1)
(12)
(13)
21CLR
1CLR CT=0
CT
CTRDIV16
+
13 2CK
31QA
1QA
12 2CLR
2CLR
41QB
1QB
11 2QA
2QA
51QC
1QC
10 2QB
2QB
61QD
1QD
0
3
9 2QC 2QC
7GND 8 2QD
2QD
1CK
2CK
PDN
PDN
SDA/CDOUT
Analog Low pass and
Output Stage
Serial Audio Data Interface
Digital Filters Digital Filters
Input
Gain
Input MUX
S/PDIF RX/Auxiliary Input
PLL
MUX
DEM
Clock Osc/
Divider
Volume
Control
Volume
Control
Volume
Control
Volume
Control
Volume
Control
Volume
Control
DAC#1
DAC#2
DAC#3
DAC#4
DAC#5
DAC#6
Mono
ADC
Left
ADC
Right
ADC
Voltage
Reference
Control Port
AD1/CDIN AD0/CS SPI/I
2
C VD+
VA+
SDIN1
SDIN2
SDIN3
CLKOUT XTI XTO FILT HOLD/RUBIT
DATAUX/RX4
DEM
SDOUT1
SDOUT2
OVL/ERR
LRCK
LRCKAUX/RX3 RX1 DGND1 DGND2
AGND2
AGND1
AIN3R/AUDIO
AIN3L/AUTODATA
AIN2R/FREQ1
AIN2L/FREQ0
AIN1R
AIN1L
AINAUX
AOUT6
AOUT5
AOUT4
AOUT3
AOUT2
AOUT1
CMOUT
SCLKAUX/RX2
SCLK
AC3 ASSEMBLY
U010: 74HC393
1A
1
1
1Y
2
2A
3
2Y
4
3A
5
3Y
6
4A
9
4Y
8
5A
11
5Y
10
6A
13
6Y
12
11A
21Y
32A
42Y
53A
63Y
7GND
14 V
CC
13 6A
12 6Y
11 5A
10 5Y
94A
84Y
AC3 ASSEMBLY
U012: SN74HC04