Sony STR-DH720 Service Manual page 46

STR-DH720/DH720HP
• IC Block Diagrams
IC2006 PCM9211PTR (DIGITAL BOARD (3/4))
32 31 30 29 28 27 26 25 24 23
AUXIN0
RXIN0
RXIN1
RXIN2
RXIN2 33
RXIN3
RST
34
RXIN4
RXIN5
RXIN1 35
RXIN6
RXIN7
VDDRX
36
37
RXIN0 RXIN8
RXIN9
MPIO_A
38
GNDRX RXIN10
SELECTOR
RXIN11
DITOUT
ADC
Com Supply
ADC Stand alone
MPIO_C
SELECTOR
AUXIN1
XTI 39
OSC
40
XTO
2
SPI/I C
INTERFACE
Reset
and Mode
Set
AGND
41
VCC
42
43 44 45
STR-DH720/DH720HP
AUTO
RXIN7
DIR
DIR
DOUT
ADC
MAIN
PLL
OUTPUT
AUXIN0
SCKO/BCK/LRCK
PORT
AUXIN1
Lock:DIR AUXIN2
Unlock:ADC
Clock/Data
Recovery
AUTO
DIR
ADC
Lock Detection
DIT
AUXIN0
AUXIN1
RECOUT0 AUXIN2
RECOUT1
RECOUT0
RECOUT1
MPO0/1
SELECTOR
ADC DITOUT
ADC Mode
Control
AUTO
DIR
ADC
AUXOUT
MPIO_B
AUXIN0
SELECTOR
AUXIN 2
AUXIN1
ADC Clock
(SCK/BCK/LRCK)
Divider
XMCKO SBCK/SLRCK
Secondary BCK/LRCK
(To MPIO_A & MPO0/1)
XMCKO (to MPIO_A)
Divider
Divider
Selector
REGISTER EXTRA DIR FUNCTIONS
Function DIR DIR
DIR CS
ERROR DETECTION
Control f s Calculator
(48-bit) P c and P o
Non-PCM DETECTION
f s Calculator
MPIO_A
All Port
GPIO/GPO DIT CS Flags
DIR Interrupt
f s Calculator MPIO_B
Data (48-bit)
DTS-CD/LD Detection
Validity Flag MPIO_C
User Data
MPO0
POWER SUPPLY Channel Status Data
MPO1
BFRAME Detection
ADC DIR
DIR
ALL
Interrupt System
ANALOG ANALOG
ANALOG
46 47 48
IC2032 TC74VHC157FT (EKJ) (DIGITAL BOARD (1/4))
IC2804 TC74VHC157FT (EKJ) (DIGITAL BOARD (3/4))
IC3001 TC74VHC157FT (EKJ) (D-VIDEO BOARD (1/4))
SELECT 11 1 16 V
CC
S
1A 2 1A G 15 STROBE
INPUT
1B 3 1B 4A 14 4A
22 21
1Y 4 1Y 4B 13 4B
OUTPUT
2A 5 2A 4Y 11 12 4Y
INPUT
2B 6 2B 3A 11 3A
20 SCKO
OUTPUT 2Y 7 2Y 3B 10 3B
19 BCK
3Y
18 LRCK GND 8 9 3Y
17 DOUT
IC2303 TC7WHU04FU (TE12R) (DIGITAL BOARD (3/4))
IC4160 TC7WHU04FU (TE12R) (USB BOARD)
OUT2 5 4 GND
IN3 6 3 IN2
OUT1 OUT3
7 2
16 MPO1
VCC 8 1 IN1
15 MPO0
IC2501 WM8768GEDS/R (DIGITAL BOARD (4/4))
14 MPIO_B3
13 MPIO_B2
MODE
1
12
MPIO_B1
11 MPIO_B0
MCK 2
BCK 3
MPIO_C3
10
LRCK 4
9
MPIO_C2
8
MPIO_C1
DVDD 5
7
MPIO_C0 AUDIO
INTERFACE
6 MPIO_A3
DGND 6
&
5
MPIO_A2
DIGITAL
DIN1 7
4
MPIO_A1
FILTERS
3
MPIO_A0
DIN2 8
DIN3 9
10
DIN4
VREF_N
M/I2S 11
CONTROL
MC/IWL 12
2
NPCM/INT1
INTERFACE
1 MD/DM 13
ERROR/INT0
MUTE 14
IC2805 TC74VHC08FT (EL) (DIGITAL BOARD (3/4))
A0 VCC
1 14
B0 A3
2 13
Y0 3 12 B3
A1 4 11 Y3
B1 5 10 A2
Y1 6 9 B2
GND 7 8 Y2
46 46
INPUT
OUTPUT
INPUT
OUTPUT
28 AVDD
27 AGND
LOW 26 VO3R
STEREO
PASS
DAC
FILTER 25 VO3L
LOW 24 VO2R
STEREO
PASS
DAC
FILTER 23 VO2L
LOW
22 VO1R
STEREO
PASS
DAC
FILTER 21 VO1L
LOW 20 VO4R_NC
STEREO
PASS
DAC
FILTER
19 VO4L_NC
VREF_P
18 VMID
17 VREF_P
16 VREF_N
15 TEST_REF