Sony KLV-26S550A / KLV-32S530A / KLV-32S550A / KLV-37S550A Service Manual ▷ View online
– 4 –
KLV-32S530A, 26, 32, 37 S550A
RM-GA016
RM-GA016W
1-5. Lead Free Information
The circuit boards used in these models have been processed
using Lead Free Solder. The boards are identified by the LF
logo located close to the board designation.
The circuit boards used in these models have been processed
using Lead Free Solder. The boards are identified by the LF
logo located close to the board designation.
The servicing of these boards requires special precautions. It
is strongly recommended to use Lead Free Solder material in
order to guarantee optimal quality of new solder joints. Lead
Free Solder is available under the following part numbers:-
is strongly recommended to use Lead Free Solder material in
order to guarantee optimal quality of new solder joints. Lead
Free Solder is available under the following part numbers:-
Due to high melting point of Lead Free Solder, the soldering
iron tip temperature needs to be set to 370 degrees
centigrade. This requires soldering equipment capable of
accurate temperature control coupled with a good heat
recovery characteristics.
iron tip temperature needs to be set to 370 degrees
centigrade. This requires soldering equipment capable of
accurate temperature control coupled with a good heat
recovery characteristics.
For more information on the use of Lead Free Solder,
please refer to
please refer to
http://www.sony-training.com
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Figure 2: LF logo
Figure 3: LF logo on circuit board
– 5 –
KLV-32S530A, 26, 32, 37 S550A
RM-GA016
RM-GA016W
SECTION 2
SELF DIAGNOSTIC FUNCTION
2.0 sec
2.0 sec
0.3 sec
0.3 sec
2-1. Overview of Control Buttons
LED Type Description
Remark
Status
Display
Power LED
Remark
POWER
Green: One LED Green lights at power ON.
STANDBY
Red: One LED
Red lights during standby.
Timer
Amber
: One LEDs
Amber lights
during Timer activation.
during Timer activation.
POWER ON Green lights
OFF
in a normal state.
STANDBY
OFF
Red lights
Microcomputer is
in a sleep state.
Failure
Classify the
trouble causes by
the no. of red
blinking.
trouble causes by
the no. of red
blinking.
Standby LED
Microcomputer is
2-2. LED Display Specification
2-3. LED Display Control
2-4. LED Pattern
When safety shutdown occurs, Standby LED display reports the
cause by using the blinking patterns as indicated below.
When safety shutdown occurs, Standby LED display reports the
cause by using the blinking patterns as indicated below.
Example:
The figure above shows LED display when
SHUTDOWN is caused by audio failure. It repeats
flashing for a specified number of times in 0.3sec/
cycle and has a 2 seconds interval of lighting off.
Please note that a 2 seconds interval of lighting off
is fixed regardless of abnormal state types.
SHUTDOWN is caused by audio failure. It repeats
flashing for a specified number of times in 0.3sec/
cycle and has a 2 seconds interval of lighting off.
Please note that a 2 seconds interval of lighting off
is fixed regardless of abnormal state types.
2-5. Viewing the Service Diagnosis Display
1. While TV on standby mode, press the following sequence on
1. While TV on standby mode, press the following sequence on
the Remote commander.
(if wrong key is pressed or passed 3 seconds during each
process, cancel entering the self-diagnosis display.)
process, cancel entering the self-diagnosis display.)
2. To Exit, press the <I/
1
> key.
On screen
display
Channel 5
Volume (-)
POWER
Remote
sensor
sensor
Timer
indicator
indicator
Standby
indicator
indicator
Power
indicator
indicator
S E L F
C H E
C
K
0 0 2
M A
I
N
_
P
O
W
E
R
_
E
R
R
O
R
0
0
0 0 4
5
V
_
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W
E
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R
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0
0
0 0 6
B A
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K
_
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I
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T
_
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R
R
O R
0
0
0 0 7
T E
M
P
_
E
R
R
O
R
0
0
0 0 8
A U
D
I
O
_
E
R
R
O
R
0
0
1 2 3 4 5
-
0
9
8
7
6
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0
1
2
3
4
12345: Total operation time by hour (0-65535)
09876: Boot count (0-65535)
01234: Panel operation time by hour (0-65535)
09876: Boot count (0-65535)
01234: Panel operation time by hour (0-65535)
002: LED blinking times
MAIN_POWER_ERROR:
Detection name
00: Error Count (00-99)
MAIN_POWER_ERROR:
Detection name
00: Error Count (00-99)
PROG
Power
indicator
indicator
Channel
Volume
Input Select
Menu
– 6 –
KLV-32S530A, 26, 32, 37 S550A
RM-GA016
RM-GA016W
Blinking times
Detection items
Countermeasure
2
Main power failure
Replace either/both
z
BT2 board
z
G4T board (37”)
z
GT3 board (26”/32”)
4
5V power failure
Replace BT2 board.
8
Audio failure
Replace either/board.
z
BT2 board
z
G4T board (37”)
z
GT3 board (26”/32”)
z
Speaker
z
Woofer
6
Back light failure
Replace either/board.
z
BT2 board
z
G4T board (37”)
z
GT3 board (26”/32”)
7
Internal temperature
Replace either/both
z
G4T board (37”)
failure
z
GT3 board (26”/32”)
2-6. STANDBY LED ERROR DISPLAY
Note: Each of the above blinking repeats every 2 seconds.
2-7. Triage Chart
Please refer page 46 for Triage Chart.
– 7 –
KLV-32S530A, 26, 32, 37 S550A
RM-GA016
RM-GA016W
SECTION 3
TROUBLE SHOOTING
Please refer page 47~50 for Trouble Shooting.
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