Sony KDE-V42A12U / KE-V42A10E Service Manual ▷ View online
◈ Defect : panel damage
◈ Defect: Exhaust pipe damage
■ Symptom : Panel crack or break. No image appears in some
cause depending on the damaged parts and
damage level.
■ Cause
① Manufacturing : Flatness/palette pin interruption
② Operation : overload of panel corner / careless handling
③ Panel : Flatness / assembly error
■ Symptom. : Crack in break if exhaust pipe
an image is partially lacking or the panel
noise occurs depending on the damaged parts
and with the passage of time
■ Cause : Careless panel handling
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5. Disassembling / Assembling
5.1 Tools and measurement equipment
5.1.1 Tools
1) (+) type Screw Drivers
2) Air Blower
3) Earth Ring
4) Small Driver: to adjust potentiometer
5) Dummy Discharge Resistor: 2.4kOhm/10W
5.1.2 Measuring Equipment
1) Oscilloscope: 500MHz sampling
2) Probe
3) Digital Multi-meter
4) Signal Generator
5.2 Disassembling & Re-assembling
5.2.1 Disassembling & Re-assembling of FPC (Flexible Printed Circuit) and Y-Buffer
1. Removal
procedures
1) Catch the edge of the FPC with hands and pull out the FPC from Connector.
[ Photo 1 ]
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2. Assembling
Procedures
1) Push the edge of FPC with same strength until to be connected completely.
* Notice : Be careful do not get a damage on the connector pin during connecting by mistake.
[ Photo 2 ]
5.2.2 Assembling & Disassembling of Flat Cable Connector of X-Main Board
1. Disassembling
Procedure
1) Catch the clamp of black connector and pull out the clamp in direction of yellow arrow.
2) Press down the flat cable slightly and pull out the flat cable in direction of red arrow.
[ Photo 3 ]
2. Assembling
Procedure
1) Put the flat cable into the connector until locking sound (“Dack”) comes out.
[ Photo 4 ]
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5.2.3 Assembling & Disassembling the FFC and TCP from Connector
1. Disassembling of TCP
1) Disassemble the chassis cover on TCP.
2) Open the clamp carefully.
3) Pull out TCP from Connector.
[ Photo 5 ]
2. Assembling of TCP
1) Put TCP into the Connector carefully.
2) Close the clamp completely until the sound (“ Dack”) comes out.
3) Assemble the chassis cover on TCP.
[ Photo 6 ]
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