JAMO DVR 50 Service Manual page 11

A
Sigma Connector Page 11
1
+3.3V
GND
A_GND
LINEOUTL
LINEOUTR LFE
/SPDIF_ERR_SENSE
DIT_SPDIF
OPT_SPDIF
DVD_SPDIF
COAX_SPDIF
AUX_L
AUX_L SCL
AUX_R
AUX_R SDA
VCR_L
VCR_L /INT
VCR_R
VCR_R /RESET
TUN_L
TUN_L
TUN_R
TUN_R HI_MCLK
TV_L
TV_L
TV_R
TV_R
SIGMA_CON.SCH
2
Power Supply Page 8
+12VR +12V
-12VR -12V
VCC5V +5V
GNDR +3.3V
+2.5V
GND
PWR_SUP.SCH
Clock Page 5
HI_MCLK
3
+3.3V
+3.3V CLK_SEL
GND
GND MCLK
CLOCK.SCH
4
5
B
+3.3V
GND
A_GND
DSP Page 6
+3.3V
+3.3V EQ_MCLK
+2.5V
+2.5V EQ_SCLK
GND
GND EQ_LRCLK
EQ_DATA1
EQ_DATA2
SCL EQ_DATA3
SDA
/INT
/RESET DAC_MCLK
SPDIF_ERR DAC_SCLK
DAC_LRCLK
DAC_DATA
/SPDIF_ERR_SENSE
/A_RESET
DIT_MCLK
DIT_SCLK
/ERR_RCVY DIT_LRCLK
/MUTE DIT_DATA
/Audio
DIR_MCLK
DIR_SCLK
DIR_LRCLK
+12V
DIR_DATA
-12V
+5V
+3.3V
+2.5V
GND
SEL_A
SEL_B
ADC_MCLK
CLK_SEL ADC_SCLK
ADC_LRCLK
MCLK ADC_DATA
DSP.SCH
Analog Input Page 2
+12V
+12V ADC_DATA
-12V
-12V ADC_LRCLK
ADC_SCLK
+3.3V
+3.3V ADC_MCLK
A_GND
A_GND
SEL_B
AUX_L
AUX_L SEL_A
AUX_R
AUX_R
VCR_L
VCR_L
VCR_R
VCR_R
TUN_L
TUN_L
TUN_R
TUN_R
TV_L
TV_L
TV_R
TV_R /RESET
ANA_IN.SCH
C D
Equalizer DSP Page 7
+3.3V
+3.3V
GND
GND
/RESET
SCL
SDA
EQ_MCLK AMP_MCLK
EQ_SCLK AMP_SCLK
EQ_LRCLK AMP_LRCLK
EQ_DATA1 AMP_DATA1
EQ_DATA2 AMP_DATA2
EQ_DATA3 AMP_DATA3
EQ_DSP.SCH
S/PDIF Receiver Page 9 S/PDIF Transmitter
+3.3V +3.3V
+3.3V DIR_DATA +3.3V
GND +5V
GND DIR_LRCLK +5V
GND
DIR_SCLK GND
DIR_MCLK
OPT_SPDIF /RESET
DVD_SPDIF /INT
COAX_SPDIF SDA DIT_SPDIF
SCL
/RESET
SPDIF_ERR
MCLK
S/PDIF_RX.SCH S/PDIF_TX.SCH
Schematic diagram - Audio board 1/10
E
Power Supply Connector
+12VR
-12VR
VCC5V
GNDR
LFE
/A_RESET
/ERR_RCVY
/MUTE
SCL
SDA
AMP_MCLK
AMP_SCLK
AMP_LRCLK
AMP_DATA1
AMP_DATA2
AMP_DATA3
PSU_CON.SCH Page 12
Page 10 Analog Output Page 3
/Audio
+3.3V
+3.3V
GND
DIT_DATA GND DAC_DATA
A_GND
DIT_LRCLK A_GND DAC_LRCLK
DIT_SCLK DAC_SCLK
DIT_MCLK LINEOUTL DAC_MCLK
LINEOUTR
/A_RESET
/RESET
ANA_OUT.SCH
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.
F
11