Denon AVR-S920W, Service Manual

Page: 58 / 192

TERMINAL
I/O PULL-
DOWN
5-V
TOLERANT
DESCRIPTION
NAME PIN
MODE 24 I No No
Control port mode selection. Tied to VDD: SPI, left
open: H/W mode, tied to DGND: I2C
VCC1 25 — — — Analog power supply 1, +5 V
VCOM 26 — — — Voltage common decoupling
AGND1 27 — — — Analog ground 1
RSV2 28 — — — Reserved, tied to analog ground
VOUT8+ 29 O No No Positive analog output from DAC8
VOUT8- 30 O No No Negative analog output from DAC8
VOUT7+ 31 O No No Positive analog output from DAC7
VOUT7- 32 O No No Negative analog output from DAC7
VOUT6+ 33 O No No Positive analog output from DAC6
VOUT6- 34 O No No Negative analog output from DAC6
VOUT5+ 35 O No No Positive analog output from DAC5
VOUT5- 36 O No No Negative analog output from DAC5
VOUT4+ 37 O No No Positive analog output from DAC4
VOUT4- 38 O No No Negative analog output from DAC4
VOUT3+ 39 O No No Positive analog output from DAC3
VOUT3- 40 O No No Negative analog output from DAC3
VOUT2+ 41 O No No Positive analog output from DAC2
VOUT2- 42 O No No Negative analog output from DAC2
TERMINAL
I/O PULL-
DOWN
5-V
TOLERANT
DESCRIPTION
NAME PIN
VOUT1+ 43 O No No Positive analog output from DAC1
VOUT1- 44 O No No Negative analog output from DAC1
RSV2 45 — — — Reserved, tied to analog ground
AGND2 46 — — — Analog ground 2
VCC2 47 — — — Analog power supply 2, +5 V
RSV2 48 — — — Reserved, tied to analog ground
(1) Open-drain configuration in out mode.
PCM1690 FUNCTIONAL BLOCK DIAGRAM
FUNCTIONAL BLOCK DIAGRAM
DAC
VOUT1+
VOUT1
DAC
VOUT2+
VOUT2
DAC
VOUT3+
VOUT3
DAC
VOUT4+
VOUT4
DAC
VOUT5+
VOUT5
DAC
VOUT6+
VOUT6
AGND2
VDD
DGND
VCOM
VCC1
AGND1
VCC2
DAC
VOUT7+
VOUT7
DAC
VOUT8+
VOUT8
Digital Filter
and
Volume
Power Supply and
Common Voltage
SCKI
SCK Manager
RST
AMUTEO
AMUTEI
ZERO2
ZERO1
MODE
MD/SDA/DEMP
MC/SCL/FMT
MS/ADR0/RSV
TEST/ADR1/RSV
Control Interface
(SPI/I C/HW)
2
LRCK
BCK
DIN4
DIN3
DIN2
DIN1
Audio Interface
PCM1690
SBAS448A–OCTOBER 2008–REVISED JANUARY 2009 .............................................................................................................................................. www.ti.com
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Product Folder Link(s): PCM1690
58
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating