Marantz PS5400, Service Manual

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48
IC16 : CS5361
Voltage Reference
Serial Output Interface
Digital
Filter
High
Pass
Filter
High
Pass
Filter
Decimation
Digital
Filter
Decimation
DAC
-
+
S/H
DAC
-
+
S/H
AINR+
SCLK
SDOUT MCLK
RST
VQ LRCK
AINR-
AINL+
AINL-
FILT+
I
2
S/LJ
M/S
HPF
MODE0
MODE1
REFGND
V
L
MDIV
LP Filter
LP Filter
OVFL
RST 1 24 FILT+
M/S 2 23 REFGND
LRCK 3 22 VQ
SCLK 4 21 AINR+
MCLK 5 20 AINR-
VD 6 19 VA
GND 7 18 GND
VL 8 17 AINL-
SDOUT 9 16 AINL+
MDIV 10 15 OVFL
HPF 11 14 M1
I
2
S/LJ 12 13 M0
Pin Name # Pin Description
RST 1 Reset (
Input) - The device enters a low power mode when low.
M/S
2
Master/Slave Mode
(Input) - Selects operation as either clock master or slave.
LRCK
3
Left Right Clock ( Input/Output) - Determines which channel, Left or Right, is currently active on the
serial audio data line.
SCLK 4 Serial Clock (
Input/Output) - Serial clock for the serial audio interface.
MCLK 5 Master Clock (
Input) - Clock source for the delta-sigma modulator and digital filters.
VD 6
Digital Power (
Input) - Positive power supply for the digital section.
GND 7,18 Ground (
Input) - Ground reference. Must be connected to analog ground.
VL 8 Logic Power (
Input) - Positive power for the digital input/output.
SDOUT
9
Serial Audio Data Output (
Output) - Output for two’s complement serial audio data.
MDIV
10
MCLK Divider (Input) - Enables a master clock divide by two function.
HPF 11 High Pass Filter Enable
(Input) - Enables the Digital High-Pass Filter.
I
2
S/LJ
12
Serial Audio Interface Format Select (
Input) -Selects either the left-justified or I
2
S format for the SAI.
M0
M1 13,
14
Mode Selection ( Input) - Determines the operational mode of the device.
OVFL 15 Overflow (Output, open drain) - Detects an overflow condition on both left and right channels.
AINL+
AINL- 16,
17
Differential Left Channel Analog Input ( Input) - Signals are presented differentially to the delta-sigma
modulators via the AINL+/- pins.
VA 19
Analog Power ( Input) - Positive power supply for the analog section.
AINR-
AINR+ 20,
21
Differential Right Channel Analog Input ( Input) -Signals are presented differentially to the delta-sigma
modulators via the AINR+/- pins.
VQ 22 Quiescent Voltage (Output) - Filter connection for the internal quiescent reference voltage.
REF_GND 23 Reference Ground ( Input) - Ground reference for the internal sampling circuits.
FILT+ 24 Positive Voltage Reference ( Output) - Positive reference voltage for the internal sampling circuits.