Arcam DiVA DV79, Service Manual

Page: 12 / 72

ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No. DESCRIPTION OF CHANGE
L961_1.3.Sch
DV78/DV79 DISPLAY BOARD
Contact Engineer:
L961
17-Sep-2004
INITIALS
Printed:
1 1 Sheet of
Notes:
Contact Tel: (01223) 203270 Peter Gaggs
A & R Cambridge Ltd.
Pembroke Avenue
Cambridge CB5 9QR
Waterbeach
A2
F1
1
F1
2
G
1
5
G
2
6
G
3
7
G
4
8
G
5
9
G
6
10
G
7
11
S
1
25
S
2
26
S
3
27
S
4
28
S
5
29
S
6
30
S
7
31
S
8
32
S
9
33
S
10
34
S
11
35
S
12
36
S
13
37
S
14
38
S
15
39
F2
42
F2
43
DISP1
SAMSUNG
SVV-07MS09
SW1
1
SW2
2
SW3
3
SW4
4
DOUT
5
DIN
6
GND
7
CLK
8
STB
9
K1
10
K2
11
K
3
12
K
4
13
V
D
D
14
S
G
1/
K
S
1
15
S
G
2/
K
S
2
16
S
G
3/
K
S
3
17
S
G
4/
K
S
4
18
S
G
5/
K
S
5
19
S
G
6/
K
S
6
20
S
G
7
21
S
G
8
22
SG9 23
SG10 24
SG11 25
SG12/GR11 26
VEE 27
SG13/GR10 28
SG14/GR9 29
SG15/GR8 30
SG16/GR7 31
GR6 32
GR5 33
G
R
4
34
G
R
3
35
G
R
2
36
G
R
1
37
V
D
D
38
LE
D
4
39
LE
D
3
40
LE
D
2
41
LE
D
1
42
G
N
D
43
O
S
C
44
IC1
PT6312LQ
LQFP-44
S
1
S
2
S
3
S
4
S
5
S
6
S
7
S
8
S9
S10
S11
S12
S13
S14
S15
G
1
G
2
G
3
G
4
G5
G6
G7
S
1
S
2
S
3
S
4
S
5
S
6
S
7
S
8
S
9
S
10
S
11
S
12
S
13
S
14
S
15
G
1
G
2
G
3
G
4
G
5
G
6
G
7
-9V_F2 -13V5_F1
+5VD
DGND
+5VD
DGND
-19V
DGND
VFD
RED GRN
LED5
3mm
BICOL
LED 3mm
LED1
3mm
GRN
LED 3mm
+5VD
DVD-A
LED3
3mm
GRN
LED 3mm
+5VD NAV
POWER
DGND
+5VD
+5VD
NAV_LED*
ON/STBY*_LED
DVDA_LED*
DGND
+5VD DGND
DGND
K
4
K
3
K2
K[2..4]
1 2
SW6
S3
1 2
SW7
1 2
SW8
1 2
SW9
K
4
PLAY
K
3
K
2
S4
S5
S6
STOP
1 2
SW3
>|
1 2
SW1
MODE
LOAD
1 2
SW4
PAUSE
>>
|<
1 2
SW5
1 2
SW2
<<
IR REMOTE SENSOR
+5VD
DGND
NF
+5VD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CON1
MOLEX
52807
DGND
DOUT
DIN
CLK
STB
P2
P3
P4
P5
IRRCV P7
P1
+5VD
P8
DGND
P9
DGND
-19V
-13V5_F1
P10
-9V_F2
P11
ITEM1 BLANK PCB DV78 DISPLAY BOARD 1 L961PB
Note that G1..7 are deliberately
reversed here, to be the same as
previous design (software takes it into
account)
ITEM2 1
ITEM3 1
LED2
SM
RED
SML-010
P6 REM_P
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.
DGND
DGND DGND DGND DGND
F231
F231
VFD CORNER LOCATOR
VFD CORNER LOCATOR
CHS
R13
10K
0W125
0805
R14
10K
0W125
0805
R15
10K
0W125
0805
D1
BAS16
SOT-323
D2
BAS16
SOT-323
D3
BAS16
SOT-323
D4
BAS16
SOT-323
R3
330R
0W125
0805
R1
330R
0W125
0805
R4
220R
0W125
0805
TR4
BC849B
SOT-23
TR5
MMUN2111LT1
SOT-23
C2
100N
50V
0805
C3
100N
50V
0805
C4
100N
50V
0805
R10
4K7
0W125
0805
R11
56K
0W125
0805
R2
330R
0W125
0805
R8
10K
0W125
0805
R9
10K
0W125
0805
C1
100N
50V
0805
TR2
MMUN2211LT1
SOT-23
TR3
BC849B
SOT-23
C8
1N0
100V
0805
C9
1N0
100V
0805
C10
1N0
100V
0805
C11
1N0
100V
0805
C5
10UF
50V
SM
C6
10UF
50V
SM
C7
10UF
50V
SM
70mm of 10mm wide double sided tape under VFD
REM_N
R5
180R
0W125
0805 NF
R6
390R
0W125
0805
+5VD
Pins 1-4 (SW1-4) are set
to read 0001, to be read
by display self test in
software
FD1 FD2
TOOL1 TOOL2 TOOL3 TOOL4
P18
P16
P20
P13
P17
P12
P14
P15
P19
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
PG 04-07-03 INITIAL SCH 1.0 03_E202
PG 02-09-03 CHANGE FOAM TAPE FROM F163 TO F238 (DOUBLE SIDED) 1.1 03_E260
ITEM4 1 Foam D/S ADH BK 3MM Thk 10MM Wide RA106 10M Reel F238
PG 12-01-04 ADD DVD-A LED FOR DV79 1.2 04_E007
PG 17-09-04 CHANGE RX1 TO KSM-902TM1N FOR BETTER PERFORMANCE 1.3 04_E140
+5
V
O/P
G
N
D
RX1
KSM-902TM1N