Sony KLV-46W550A Service Manual ▷ View online
– 4 –
KLV-32, 40, 46W550A
RM-GA015
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
1-6. Attachment & Detachment of MDF61 Connector
a) Insertion
a) Insertion
(1) Hold the center of a
connector.
connector.
(2) Press the center of the
connector to insert it.
(3) Slide the slider to lock the
connector.
connector.
Lock
b) Detachment
(1) Slide the slider to release
the slider lock.
(2) Press the center lock tab
to release the lock and pull
the connector up.
to release the lock and pull
the connector up.
Unlock
– 5 –
KLV-32, 40, 46W550A
RM-GA015
a) REMOVAL
b) INSTALLATION
PUSH
a. PHOTO SHOW THE POSITION
DURING REAR COVER OPENING
b. PUSH TOWARDS INNER SET
WHILE REMOVE REAR COVER
FROM SIDE CONTROL
DURING REAR COVER OPENING
b. PUSH TOWARDS INNER SET
WHILE REMOVE REAR COVER
FROM SIDE CONTROL
Note:
Please refer to
Section 4 : Disassembly
for screws informations .
Please refer to
Section 4 : Disassembly
for screws informations .
c. LIFT UP THE REAR
COVER FROM BOTTOM
COVER FROM BOTTOM
PULL
UP
UP
<TOP SIDE>
CLICK
<RIGHT SIDE>
Note:
1. Please refer to
Section 4 : Disassembly
for screws informations.
Section 4 : Disassembly
for screws informations.
2. Please Make Sure Rear
Cover Not Overlap with
Bezel.
Cover Not Overlap with
Bezel.
1
2
3
4
1-7. REMOVAL AND INSTALLATION OF REAR COVER PROCEDURE
CLICKING POSITION (PUSH
FROM REAR COVER TO BEZEL)
FROM REAR COVER TO BEZEL)
1. FOR EASIER INSTALLATION AT TOP SIDE, CLICK
THE REAR COVER FROM SIDE TO CENTER
2. PUSH THE REAR COVER AT 4 POSITIONS
UNTIL CLICK SOUND COME OUT.
3. 3 POSITIONS AT TOP SIDE AND 1 POSITION AT
RIGHT SIDE (NEAR SIDE CONTROL)
PUSH POINT
– 6 –
KLV-32, 40, 46W550A
RM-GA015
a) REMOVAL
Push and slant towards inner side of set to remove Switch Unit correctly.
Push and slant towards inner side of set.
1
2
1-8. Removal of Switch Unit Procedure
Push this position to remove
Switch Unit more easily
Switch Unit more easily
– 7 –
KLV-32, 40, 46W550A
RM-GA015
SECTION 2
SELF DIAGNOSTIC FUNCTION
2-4. LED Pattern
When safety shutdown occurs, Standby LED display reports the
cause by using the lightning patterns as indicated below.
When safety shutdown occurs, Standby LED display reports the
cause by using the lightning patterns as indicated below.
Example:
The figure above shows LED display when
SHUTDOWN is caused by main power alert. 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 main power alert. 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.
2.0 sec
2.0 sec
0.3 sec
0.3 sec
2-1. Overview of Control Buttons
LED Typ e
Description
Remark
Status
Display
Power LED
Remark
POWER
Green: LED
Green lights at power ON.
STANDB
Picture Off/
Timer
Timer
Y
Red: One LED
Red lights during standby.
Green/Amber
: Two LEDs
: Two LEDs
Green lights during Picture
OFF and amber lights
during Timer activation.
OFF and amber lights
during Timer activation.
POWER ON
Green lights
OFF
in a normal state.
STANDBY
OF
OFF
F
Red lights
Red flashes
Microcomputer is
in a sleep state.
Failure
Classify the trouble
causes by the no.
of red blinking.
causes by the no.
of red blinking.
Standby LED
Microcomputer is
2-2. LED Display Specification
2-3. LED Display Control
Light sensor
Remote control sensor
Remote control sensor
Picture Off/Timer
Standby
Power
Power
Volume
Home
Input select
PROG +/-/
/
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