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IR REMOTE SENSOR
+5VD
R8
10K
0W125
0805
P16
RX1
C1
100N
TR2
O/P
50V
MMUN2211LT1
0805
SOT-23
KSM-902TM1N
DGND
LED2
R2
P19
330R
0W125
SM
0805
RED
SML-010
LED2 is underneath infra red receiver.
The LED is lit by the remote bus signal,
allowing the infra red receiver to
demodulate the remote bus signal.
P18
CHS
C8
C10
C9
1N0
1N0
1N0
100V
100V
100V
0805
0805
0805
DGND
DGND
DGND
DGND
FD1
FD2
TOOL1
TOOL2
TOOL3
TOOL4
NOTE TO ENGINEERS:
When creating BOM, import CSV into database then manually change quantity to 0.07 for ITEM4 (F238
tape)
This is the only way to ensure it appears as 0.07m on the BOM report
ITEM1
1
L961PB
BLANK PCB DV78 DISPLAY BOARD
ITEM2
1
F231
VFD CORNER LOCATOR
ITEM3
1
F231
VFD CORNER LOCATOR
ITEM4
1
F238
Foam D/S ADH BK 3MM Thk 10MM Wide RA106 10M Reel
R13
10K
0W125
0805
R14
10K
SW1
0W125
0805
MODE
R15
10K
0W125
DGND
0805
SW2
<<
R9
NF
10K
0W125
0805
TR3
BC849B
SOT-23
CON1
16
15
DOUT
P2
14
CLK
P3
13
STB
P4
12
DIN
P5
11
REM_P
P6
10
P7
IRRCV
9
8
P8
7
P9
6
P10
5
P11
4
3
REM_N
2
1
MOLEX
P1
52807
DGND
C11
1N0
100V
0805
70mm of 10mm wide double sided tape under VFD
SW6
PLAY
D1
S3
BAS16
SW3
SW7
SOT-323
>|
STOP
D2
S4
BAS16
SW4
SW8
SOT-323
|<
LOAD
D3
S5
BAS16
SW5
SW9
SOT-323
>>
PAUSE
D4
S6
BAS16
SOT-323
Pins 1-4 (SW1-4) are set
to read 0001, to be read
by display self test in
software
+5VD
DGND
R11
P20
56K
0W125
0805
+5VD
+5VD
R10
1
SW1
4K7
2
SW2
0W125
+5VD
3
SW3
0805
DGND
4
SW4
5
DOUT
C5
6
DIN
7
10UF
GND
8
CLK
50V
9
STB
SM
DGND
10
K1
DGND
K2
11
K2
C6
DGND
10UF
50V
SM
-19V
-9V_F2
C7
10UF
50V
K[2..4]
SM
-13V5_F1
LED1
+5VD
R1
P12
DVDA_LED*
330R
3mm
0W125
GRN
0805
LED 3mm
P13
ON/STBY*_LED
+5VD
+5VD
TR5
TR4
MMUN2111LT1
BC849B
SOT-23
SOT-23
P14
P15
R4
R5
R6
220R
0W125
180R
390R
0805
0W125
0W125
NF
0805
0805
GRN
RED
DGND
LED3
R3
P17
NAV_LED*
330R
3mm
0W125
GRN
0805
LED 3mm
DISP1
SAMSUNG
SVV-07MS09
+5VD
C2
100N
50V
0805
-13V5_F1
DGND
Note that G1..7 are deliberately
reversed here, to be the same as
previous design (software takes it into
account)
33
G5
DGND
GR5
32
G6
GR6
31
G7
SG16/GR7
IC1
30
S15
C3
SG15/GR8
PT6312LQ
29
S14
100N
SG14/GR9
LQFP-44
28
S13
50V
SG13/GR10
0805
27
VEE
26
S12
SG12/GR11
25
S11
-19V
SG11
24
S10
SG10
23
S9
SG9
+5VD
C4
100N
50V
0805
DGND
DRAWING TITLE
DV78/DV79 DISPLAY BOARD
Filename:
L961_1.3.Sch
Notes:
A & R Cambridge Ltd.
Pembroke Avenue
Waterbeach
Cambridge CB5 9QR
Contact Engineer:
Peter Gaggs
Contact Tel:
(01223) 203270
DVD-A
LED5
POWER
3mm
BICOL
LED 3mm
+5VD
NAV
VFD
-9V_F2
04_E140
PG
17-09-04
CHANGE RX1 TO KSM-902TM1N FOR BETTER PERFORMANCE
04_E007
PG
12-01-04
ADD DVD-A LED FOR DV79
03_E260
PG
02-09-03
CHANGE FOAM TAPE FROM F163 TO F238 (DOUBLE SIDED)
03_E202
PG
04-07-03
INITIAL SCH
ECO No.
INITIALS
DATE
DESCRIPTION OF CHANGE
ISSUE
L961
Printed:
17-Sep-2004
Sheet
1
of
1
A2
DRAWING NO.
1.3
1.2
1.1
1.0
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