Philips DFR9000 Service Manual page 11
Digital surround receiver
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Also See for DFR9000:
- Service manual (78 pages) ,
- Brochure (2 pages) ,
- Instructions for use manual (50 pages)
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6. I2C and SPI communication test
Purpose: This test checks communication with devices
connected to the internal I2C and SPI bus.
MAIN MENU
RC "6"
N
pressed?
Y
I2C/SPI Test
Front (step 1)
Display shows
test result 1
RC "OK"
Y
pressed?
N
RC "6"
N
pressed?
Y
I2C/SPI Test
VPB (step 2)
Display shows
test result 2
RC "OK"
Y
pressed?
N
RC "6"
N
pressed?
Y
Notes: I2C devices are tested by sending the slave address
and looking for "ACK".
SPI devices are tested by sending certain settings
and reading them back.
2-6
Test result 1: Display shows "F
x="0" ....test/device failed
x="1" ....test/device passed
x="--"....test not executed
The digits (read from left to right) have following meaning:
D
g i
t i
D
e
v
c i
e
1
C I
1
B
V (
O
L
U
M
2
C I
1
B
V (
O
L
U
M
3
C I
1
B
V (
O
L
U
M
4
C I
1
B
V (
O
L
U
M
5
D
A
B
M
O
D
U
L
E
6
S
T
V
6
6
1
8
V (
d i
7
C
S
4
2
4
1
8
(
C
O
8
V
P
B
9
C
S
4
3
9
1
(
D
A
C
1
0
n
t o
u
s
e
d
1
1
n
t o
u
s
e
d
1
2
n
t o
u
s
e
d
Test result 2: Display shows "V
x="0" ....test/device failed
x="1" ....test/device passed
x="--"....device not tested
The digits (read from left to right) have following meaning:
D
g i
t i
D
e
v
c i
e
1
V
P
B
T (
M
P
9
1
C
2
O
S
D
L (
C
7
4
7
3
3
D
S
P
(
D
S
P
5
6
3
4
S
P
D
F I
R
x
A (
K
5
V
P I
6
U
S
E
R
E
E
P
R
O
7
H
D
M
I
T
R
A
N
S
8
H
D
M
I
R
E
C
E
V I
9
D
E
N
C
1
0
F
A
R
O
U
D
J
A
1
1
E
D
T I
E
E
P
R
O
M
1
2
E
D
T I
E
E
P
R
O
M
xxxx xxxxxxxx"
E
S
2
L
S /
2
R
)
E
C
S /
U
B
W
)
E
S
L
S /
R
)
E
L
R /
)
e
o
S
w
c t i
) h
D
E
C
)
)
xxxx xxxxxxxx"
W
1
) 2
2
- )
n
t o
e t
s
e t
d
6
) 7
4
1
1
) 2
M
M
T I
T
E
R
E
R
1
2
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