11
D
VR 50 - Re
v
. 011105-2
Components having special characteristics or critical for safety are
identifi ed by
mark and must be replaced with components
specifi ed by the manufacturer.
Schematic diagram is subject to change without notice.
1
2
3
4
5
A
B
C
D
E
F
Schematic diagram - Audio board 1/10
11
AUX_L
AUX_R
VCR_L
VCR_R
TUN_L
TUN_R
TV_L
TV_R
AUX_L
AUX_R
VCR_L
VCR_R
TUN_L
TUN_R
TV_L
TV_R
+3.3V
GND
+3.3V
+2.5V
GND
+12V
-12V
+3.3V
A_GND
+12V
-12V
+5V
+3.3V
+2.5V
GND
+3.3V
GND
+3.3V
+5V
GND
GND
+3.3V
+3.3V
GND
+3.3V
GND
A_GND
A_GND
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Sigma Connector
SIGMA_CON.SCH
SDA
SCL
/INT
/RESET
/SPDIF_ERR_SENSE
GND
HI_MCLK
TV_R
TV_L
TUN_R
TUN_L
VCR_R
VCR_L
AUX_R
AUX_L
COAX_SPDIF
DVD_SPDIF
OPT_SPDIF
DIT_SPDIF
LINEOUTL
LINEOUTR
LFE
+3.3V
A_GND
Equalizer DSP
EQ_DSP.SCH
EQ_DATA3
EQ_DATA2
EQ_DATA1
EQ_LRCLK
EQ_SCLK
EQ_MCLK
SDA
SCL
+3.3V
GND
/RESET
AMP_MCLK
AMP_SCLK
AMP_LRCLK
AMP_DATA1
AMP_DATA2
AMP_DATA3
S/PDIF Transmitter
S/PDIF_TX.SCH
+3.3V
+5V
/RESET
GND
DIT_LRCLK
DIT_DATA
DIT_SCLK
DIT_MCLK
DIT_SPDIF
/Audio
Power Supply Connector
PSU_CON.SCH
GNDR
AMP_MCLK
AMP_SCLK
AMP_LRCLK
AMP_DATA1
AMP_DATA2
AMP_DATA3
SCL
SDA
/MUTE
/ERR_RCVY
/A_RESET
LFE
VCC5V
+12VR
-12VR
Analog Output
ANA_OUT.SCH
/RESET
DAC_DATA
DAC_LRCLK
DAC_MCLK
GND
+3.3V
LINEOUTL
LINEOUTR
DAC_SCLK
/A_RESET
A_GND
DSP
DSP.SCH
EQ_MCLK
EQ_SCLK
EQ_LRCLK
EQ_DATA1
EQ_DATA2
EQ_DATA3
DAC_MCLK
DAC_LRCLK
DAC_DATA
DIT_MCLK
DIT_SCLK
DIT_LRCLK
DIT_DATA
DIR_MCLK
DIR_SCLK
DIR_LRCLK
DIR_DATA
CLK_SEL
ADC_MCLK
ADC_LRCLK
ADC_SCLK
ADC_DATA
+3.3V
+2.5V
GND
SCL
SDA
/INT
/RESET
SEL_A
SEL_B
/ERR_RCVY
/MUTE
/Audio
MCLK
DAC_SCLK
SPDIF_ERR
/SPDIF_ERR_SENSE
/A_RESET
Clock
CLOCK.SCH
+3.3V
CLK_SEL
MCLK
GND
HI_MCLK
Power Supply
PWR_SUP.SCH
+12VR
-12VR
VCC5V
GNDR
+12V
-12V
+5V
+3.3V
+2.5V
GND
Analog Input
ANA_IN.SCH
ADC_MCLK
ADC_LRCLK
ADC_SCLK
ADC_DATA
SEL_A
SEL_B
+12V
-12V
+3.3V
A_GND
AUX_L
AUX_R
VCR_L
VCR_R
TUN_L
TUN_R
TV_L
TV_R
/RESET
S/PDIF Receiver
S/PDIF_RX.SCH
+3.3V
GND
OPT_SPDIF
DVD_SPDIF
COAX_SPDIF
DIR_LRCLK
DIR_SCLK
DIR_DATA
DIR_MCLK
/INT
SDA
SCL
/RESET
MCLK
SPDIF_ERR