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L967C2
L974C2.sch
GAIN_SCALING
GAIN_SCALING
RESET*
RESET*
MD
MD
MC
MC
ML_8740_0
ML_8740_0
ML_8740_1
ML_8740_1
ML_8740_2
ML_8740_2
L967C3
L974C3.Sch
FSEL0
FSEL0
FSEL0
FSEL1
FSEL1
FSEL1
PSUFS0
PSUFS0
PSUFS0
PSUFS1
PSUFS1
PSUFS1
ADAT0
ADAT0
ADAT0
ADAT1
ADAT1
ADAT1
ADAT2
ADAT2
ADAT2
ABCLK
ABCLK
ABCLK
ALRCLK
ALRCLK
ALRCLK
SPDIF
SPDIF
SPDIF
MUTE*
MUTE*
MUTE*
CLK27M_VADDIS
CLK27M_VADDIS
CLK27M_VADDIS
MCLK_VADDIS
MCLK_VADDIS
MCLK_VADDIS
ENABLE_AV
ENABLE_AV
VADDIS V
SHEET 2
CEC
CEC
9190INT*
9190INT*
PROG/INT*
PROG/INT*
DDC_SDA
DDC_SDA
DDC_SCL
DDC_SCL
SDA
SDA
SCL
SCL
HDMI_RESET*
HDMI_RESET*
VIDP[0..19]
VIDP[0..19]
HSYNC*
HSYNC*
VSYNC*
VSYNC*
CLK_27M_VID
CLK_27M_VID
16/9
16/9
ENABLE_AV
ENABLE_AV
IRRCV
IRRCV
SERIAL_TX
SERIAL_TX
SERIAL_RX
SERIAL_RX
REM_BUS_P
REM_BUS_P
REM_BUS_N
REM_BUS_N
MUTE_RGB
MUTE_RGB
L967C10
L974C10.Sch
POWER
PSUCLK
AC_PRES*
SHEET 10
AC_PRES*
L967C4
L974C4.Sch
AC_PRES*
GAIN_SCALING
RESET*
MD
MC
ML_8740_0
DAC L&R
SHEET 4
PSUCLK
PSUCLK
ADAT_DAC0
ADAT_DAC0
ADAT_DAC0
ABCLK_DAC0
ABCLK_DAC0
ABCLK_DAC0
ALRCLK_DAC0
ALRCLK_DAC0
ALRCLK_DAC0
MCLK_DAC0
MCLK_DAC0
MCLK_DAC0
MUTE_BUF*
MUTE_BUF*
MUTE_BUF*
L967C5
L974C5.Sch
MD
MD
MC
MC
ML_8740_1
RESET*
RESET*
ADAT_DAC1
ADAT_DAC1
ADAT_DAC1
ABCLK_DAC1
ABCLK_DAC1
ABCLK_DAC1
ALRCLK_DAC1
ALRCLK_DAC1
ALRCLK_DAC1
MCLK_DAC1
MCLK_DAC1
MCLK_DAC1
CENTRE_OUT
SUB_OUT
CLOCKS
SHEET 3
L967C6
L974C6.Sch
MD
MD
DAC C & SUB
MC
MC
ML_8740_2
RESET*
RESET*
ADAT_DAC2
ADAT_DAC2
ADAT_DAC2
ABCLK_DAC2
ABCLK_DAC2
ABCLK_DAC2
ALRCLK_DAC2
ALRCLK_DAC2
ALRCLK_DAC2
MCLK_DAC2
MCLK_DAC2
MCLK_DAC2
L967C11
L974C11.Sch
ADAT0
ADAT0
ADAT1
ADAT1
ADAT2
ADAT2
ABCLK_HDMI
ABCLK_HDMI
ABCLK_HDMI
ALRCLK
ALRCLK
MCLK_HDMI
MCLK_HDMI
MCLK_HDMI
SPDIF
CEC
9190_INT*
PROG/INT*
DDC_SDA
DDC_SCL
SDA
SCL
HDMI_RESET*
VIDP[0..19]
HSYNC*
VSYNC*
CLK27M_VID
L967C7
L974C7.Sch
SDA
SCL
RESET*
RESET*
VIDP[0..19]
HSYNCD*
HSYNCD*
VSYNC*
CLK27M_VID
VIDEO ENCODER
SHEET 7
NOTES ON PCB VARIANTS
SCART_LEFT
SCART_LEFT
SCART_RIGHT
SCART_RIGHT
Part number
Product
Audio output channels
AUX PSU fitted
Precision parts on component video output
Transformer on digital COAX output
RS232
When updating the design, modify the DV29 schematic
(L971) first. The PCB is updated from L971.
Then update DV79 and DV75 schematics, and get the
DV79 and DV75 BOMs from their own schematics
DAC LS&RS
SHEET 5
SHEET 6
CENTRE_OUT
SUB_OUT
HDMI
SHEET 11
L967C8
HSYNCD*
L974C8.Sch
SCART_LEFT
SCART_RIGHT
16/9
ENABLE_AV
SCART
SHEET 8
SCART_COMPOSITE
SCART_COMPOSITE
SCART_COMPOSITE
SCART_RED
SCART_RED
SCART_RED
SCART_GREEN
SCART_GREEN
SCART_GREEN
SCART_BLUE
SCART_BLUE
SCART_BLUE
L967C9
L974C9.Sch
COMPOSITE
COMPOSITE
COMPOSITE
Y
Y
Y
U
U
U
V
V
V
SVID_Y
SVID_Y
SVID_Y
SVID_C
SVID_C
SVID_C
COMMS, VIDEO OUT
SHEET 9
ENABLE_AV
IRRCV
SERIAL_TX
SERIAL_RX
REM_BUS_P
REM_BUS_N
MUTE_RGB
ITEM100
1
L971PB
DRAWING TITLE
DV79 MAIN BOARD TOP LEVEL
Filename:
Notes:
A & R Cambridge Ltd.
Pembroke Avenue
Waterbeach
Cambridge CB5 9QR
Contact Engineer:
L971AY
L974AY
L973AY
DV29
DV79
DV75
6
6
2
YES
NO
NO
YES
NO
NO
YES
NO
NO
YES
YES
NO
Blank PCB DV29 Series Main Board
L974C1.Prj
04_E142
PG
23-09-04
Correct BOM error - R320 now fitted
04_E129
PG
24-08-04
Production release
ECO No.
INITIALS
DATE
DESCRIPTION OF CHANGE
Peter Gaggs
Contact Tel:
(01223) 203270
Printed:
23-Sep-2004
Sheet
1
of
1.1
1.0
ISSUE
L974C1
11
A2
DRAWING NO.
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