Sony KDF-E42A11E / KDF-E50A11E Service Manual ▷ View online
- 4 -
KDF-E42/50A11E
RM-ED002
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- 5 -
KDF-E42/50A11E
RM-ED002
Connected
Not Connected (open) * at 20Hz - 20kHz
Pin No
1
2
4
Signal
Signal level
1
Audio output B
(right)
(right)
Standard level : 0.5V rms
Output impedence : Less than 1kohm*
Output impedence : Less than 1kohm*
2
Audio input B
(right)
(right)
Standard level : 0.5V rms
Output impedence : More than 10kohm*
Output impedence : More than 10kohm*
3
Audio output A
(left)
(left)
Standard level : 0.5V rms
Output impedence : Less than 1kohm*
Output impedence : Less than 1kohm*
4
Ground (audio)
5
Ground (blue)
6
Audio input A
(left)
(left)
Standard level : 0.5V rms
Output impedence : More than 10kohm*
Output impedence : More than 10kohm*
7
Blue input
0.7 +/- 3dB, 75 ohms positive
8
Function select
(AV control)
(AV control)
High state (9.5-12V) : Part mode
Low state (0-2V) : TV mode
Input impedence : More than 10K ohms
Input capacitance : Less than 2nF
Low state (0-2V) : TV mode
Input impedence : More than 10K ohms
Input capacitance : Less than 2nF
9
Ground (green)
10
Open
11
Green
Green signal : 0.7 +/- 3dB, 75 ohms,
positive
positive
12
Open
13
Ground (red)
14
Ground (blanking)
15
_
_
Red input
0.7 +/- 3dB, 75 ohms, positive
_
(S signal Chroma
input)
input)
0.3 +/- 3dB, 75 ohms, positive
16
Blanking input
(Ys signal)
(Ys signal)
High state (1-3V) Low state (0-0.4V)
Input impedence : 75 ohms
Input impedence : 75 ohms
17
Ground (video
output)
output)
18
Ground (video
input)
input)
19
Video output
1V +/- 3dB, 75ohms, positive sync 0.3V
(-3+10dB)
(-3+10dB)
20
_
_
Video input
1V +/- 3dB, 75ohms, positive sync 0.3V
(-3+10dB)
(-3+10dB)
_
Video input
Y (S signal)
Y (S signal)
1V +/- 3dB, 75ohms, positive sync 0.3V
(-3+10dB)
(-3+10dB)
21
Common ground
(plug, shield)
(plug, shield)
21 pin connector
19
17
15
13
11
9
7
5
3
1
20
18
16
14
12
10
8
6
4
2
21
Rear Connection Panel
Front Connection Panel
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- 6 -
KDF-E42/50A12U
RM-ED002
SECTION 1 SELF DIAGNOSIS FUNCTION
LE-4B Self Diagnostic Software
LE-4B chassis TV’s contain a self diagnosis function. In the event of an error occurring, the STANDBY LED indicator will automatically begin
to flash. The number of times the STANDBY LED indicator flashes translates to a probable source of the problem. If an error symptom cannot
be reproduced, the remote commander can be used to review the failure occurrence data stored in memory to reveal past problems and how often
these problems occur.
to flash. The number of times the STANDBY LED indicator flashes translates to a probable source of the problem. If an error symptom cannot
be reproduced, the remote commander can be used to review the failure occurrence data stored in memory to reveal past problems and how often
these problems occur.
1. DIAGNOSTIC TEST INDICATORS
When an error occurs, the STANDBY indicator will flash a set number of times to indicate the possible cause of the problem. If there is more
than one error, the indicator will identify the first of the problem areas.
than one error, the indicator will identify the first of the problem areas.
The result for all of the following diagnosis items are displayed on screen. No error has occured if the screen displays a “0”.
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-
2. DISPLAY OF STANDBY INDICATOR FLASH COUNT
V
Lamp OFF 3 sec
Lamp ON 300ms
Lamp OFF 300ms
Revision 2.0
(Click on table to see related change)
(Click on table to see related change)
- 7 -
KDF-E42/50A12U
RM-ED002
3. STOPPING THE STANDBY INDICATOR FLASH
Turn off the power switch on the TV to stop the STANDBY indicator from flashing.
4. SELF-DIAGNOSTIC SCREEN DISPLAY
For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes off” that cannot be confirmed, it is possible to bring
up past occurrences of failure on the screen for confirmation.
up past occurrences of failure on the screen for confirmation.
To bring up the screen test
The following screen will be displayed indicating the error count.
i+
5
+
(ON SCREEN (DIGIT 5) (VOLUME +) (TV)
DISPLAY)
DISPLAY)
In standby mode, press buttons on the remote commander sequentially in rapid sucession as shown below:
Note that this differs from entering the service mode (volume + )
Numeral “0” means that no fault was detected.
Numeral “1” means the number of a fault occurrence (1 ~ 255).
Numeral “1” means the number of a fault occurrence (1 ~ 255).
To clear the error display count press “8” then “0” on the remote commander.
To exit the self-diagnostic screen, turn off the power switch on the TV set.
R
E
V
O
C
P
M
A
L
:
2
0
E
)
5
5
2
,
0
(
0
T
O
R
P
P
M
A
L
:
3
0
E
)
5
5
2
,
0
(
0
T
O
R
P
N
A
F
:
4
0
E
)
5
5
2
,
0
(
0
T
O
R
P
P
M
E
T
:
5
0
E
)
5
5
2
,
0
(
0
T
O
R
P
P
S
:
6
0
E
)
5
5
2
,
0
(
0
L
A
T
I
G
I
D
:
8
0
E
)
5
5
2
,
0
(
0
R
E
N
U
T
:
9
0
E
)
5
5
2
,
0
(
0
C
O
R
P
D
N
U
O
S
:
0
1
E
)
5
5
2
,
0
(
0
P
T
C
V
:
1
1
E
)
5
5
2
,
0
(
0
C
E
D
C
:
2
1
E
)
5
5
2
,
0
(
0
H
C
T
I
W
S
V
A
:
3
1
E
)
5
5
2
,
0
(
0
C
T
R
:
4
1
E
)
5
5
2
,
0
(
0
1
P
X
E
T
R
O
P
:
6
1
E
)
5
5
2
,
0
(
0
2
P
X
E
T
R
O
P
:
7
1
E
)
5
5
2
,
0
(
0
M
V
N
:
9
1
E
)
5
5
2
,
0
(
0
C
I
I
:
0
2
E
)
5
5
2
,
0
(
0
E
M
I
T
G
N
I
K
R
O
W
S
R
U
O
H
)
5
3
5
5
6
,
0
(
2
S
E
T
U
N
I
M
)
9
5
,
0
(
8
5
Revision 2.0
(Click on table to see related change)
(Click on table to see related change)