Marantz SA12 - Block Diagram DAC PCB

MONO BOARD
IIC BUS
SWITCHING
POWER SUPPLY
LFE
SEL_PCM/DSDLFE
SDT_CL/DSDC
QD21
PCF8574T
MUTING
CKT
FILTER
FILTER
FILTER
FILTER
QD02
384Fs
256Fs
1/2
192Fs
384Fs
1
2
3
4
5
SD71
(SPSU)
GAIN
CONTROL
28 VREF
VY01
ZY01
KEYS
uCOM
PLAY, STOP, etc
DISPLAY DRIVER, KEY SENS, IR SENS
XY01
8MHz
KEY SENS BUS
DISPLAY
CONTROL BUS
CONTROL BUS STBY SCL, SDA
P1-P16 G1-G15 AIN12-13 AIN1-6
IR
AV BOARD
SY40
RC-BUS
INPUT
RC-BUS
OUTPUT
VIDEO OFF, DISPLAY OFF,
INDICATOR
P04-7
CONTROLL BUS
INDICATORES
Dolby, etc
INT
ENT
SF51
L001
SEL_PCM/DSDLFE
SDT_CL/DSDC
SEL_PCM/DSDRs
SDT_LsRs/DSDLs
LRCK/SEL_DSD
BCK/BCK
SEL_PCM/DSDR
SDT_LR/DSDL
SDL
SDA
256Fs
384Fs
STANDBYN
D/A Converter
QD41 CS4397
11
12
13
19
18
24
23
10 MCLK
14
LRCK/SEL_DSD
BCK/BCK
SEL_PCM/DSDR
SDT_LR/DSDL
4
5
1 RST
17 MUTE
IIC BUS
28 VREF
D/A Converter
QD51 CS4397
11
12
13
19
18
24
23
10 MCLK
14
LRCK/SEL_DSD
BCK/BCK
SEL_PCM/DSDRs
SDT_LsRs/DSDLs
4
5
1 RST
17 MUTE
IIC BUS
28 VREF
D/A Converter
QD61 CS4397
11
12
13
19
18
24
23
10 MCLK
14
LRCK/SEL_DSD
BCK/BCK
4
5
1 RST
17 MUTE
Ls
Rs
CENTER
AUDIO BLOCK
AUDIO BLOCK
L
R
AUDIO BLOCK
RELAYFILT2
RELAYFILT2
SACDACT FILT1 FILT2
RELAYFILT1
FILTER
CONTROL1
Pos.1(normal)
Pos.2(L,R wide)
Pos.3(All wide)
FILTER
CONTROL2
GND
SEC. PRI.
VOLTAGE FAILLING
DETECT
MUTING
CONTROL
POWER SUPPLY
VOLTAGE REGULATOR
+12VA, -12VA +5VA,+3.3VD +12VR
+12VA
-12VA
+5VA
+3.3VD
+12VR
POWER INPUT
STDBYN
LH02
RELAYAMUTE
STDBYN
CLKSEL
AMUTE
SACDACT
CLKFREQSEL
CLKSEL
CLKFRQSEL
STDBYN
Block diagram DAC PCB
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