Sony KDL-32HX750 / KDL-32HX755 Service Manual ▷ View online
KDL-32HX750/32HX755 16
SECTION 3 - FLOW CHARTS AND DIAGRAMS
NO 3D VIEWING
LOCATED ON LOWER BEZEL NEAR SONY LOGO
3D Not Working
Use video or still
camera to view IR
LED’s on IR
transmitter
IR LED’s lighting?
No
Double images
displayed on
screen?
Yes
Main Board*
No
Yes
Press “3D” button on
remote commander
and select
“Simulated 3D”
SYNC EMITTER
LED’s
Shutter Glasses
View image with
known working
pair of shutter
glasses.
Double images
become one?
Yes
3D OK
No
3D IR Emitter
Board*
NO 3D FLOWCHART
*For Part Number information, Refer to
“Section 4 - Disassembly/Part Number Information” on page 17
.
KDL-32HX750/32HX755
17
Components not identified by a part number or
description are not stocked because they are seldom
required for routine service.
The component parts of an assembly are indicated by the
reference numbers in the far right column of the parts list
and within the dotted lines of the diagram.
*
Items marked with an asterisk are not stocked since
they are seldom required for routine service. Expect
some delay when ordering these components.
NOTE: The components identified by shading
and
!
mark are critical for safety. Replace only
with part number specified.
NOTE: The components identified by a red outline and a mark contain
confidential information. Specific instructions must be adhered to whenever
these components are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
TABLE-TOP STAND REMOVAL
A Remove 3 screws from the Table-Top Stand, then lift up the LCD TV and gently place it face down onto a soft cloth.
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
1
4-415-189-01
HEAD PACKING (M9)
2
4-298-271-01
NECK TP (M)
3
4-410-092-01
STAND, BASE TPF (M)
▲
4-421-427-01
SCREW, +PSW M5X16 LOCK
(SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV)
For product protection and safety reasons, Sony strongly recommends
that you use the screws provided with the TV.
CAUTION: These screws cannot be used to secure the TV to
the Wall Mount Brackets.
1
2
3
Soft Cloth
A
KDL-32HX750/32HX755
18
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
NOTE: The components identified by shading
and
!
mark are critical for safety. Replace only
with part number specified.
NOTE: The components identified by a red outline and a mark contain
confidential information. Specific instructions must be adhered to whenever
these components are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
REAR COVER REMOVAL
CAUTION:
Hold down the Rear Cover as shown in the steps below to avoid deforming or damaging the hooks in the Rear
Cover and Bezel.
The portion of the Rear Cover near the Switch Unit is very fragile. When lifting this section, support the area to avoid
breaking the cover.
Trying to remove the Rear Cover as shown in this illustration will break the hooks securing it to the Bezel.
Rear Cover hook
Bezel hook
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
51
4-415-486-41
REAR COVER (32 ZEU) A
[52]
52
4-299-526-01
BRACKET, VESA
53
4-400-420-01
LABEL, SIDE TERMINAL (32ZEU)
ORDER THIS PART WHEN REPLACING THE REAR COVER
54
4-400-433-01
LABEL, UNDER TERMINAL
(KDL-32HX750 ONLY)
ORDER THIS PART WHEN REPLACING THE REAR COVER
54
4-400-433-11
LABEL, UNDER TERMINAL
(KDL-32HX755 ONLY)
ORDER THIS PART WHEN REPLACING THE REAR COVER
55
4-299-528-01
AC COVER
!
56
1-839-696-11
CORD, POWER (WITH CONNECTOR)
(KDL-32HX750 AND KDL-32HX755 CHILE/PERU ONLY)
!
56
1-839-639-11
CORD, POWER (WITH CONNECTOR)
(KDL-32HX755 VENEZUELA ONLY)
△
4-159-298-01
SCREW, +PSW M4X10
■
7-685-648-79
SCREW +BVTP 3X12 TYPE2 IT-3
□
2-580-639-01
SCREW, +BVTP 4X12 TYPE2 IT-3
◆
4-400-043-01
JOINT, SCREW
(SCREWS USED WHEN STAND IS ATTACHED - NOT USED WITH WALL MOUNTS)
◇
4-256-393-01
SCREW, +PSW M3X6 W12
52
51
55
56
53
54
A To avoid damaging the AC Power Supply Cord,
remove the screw from the AC Cover and
disconnect the AC Power Cord.
Hold the
Power Supply Cord
B Remove the remaining 19 screws from the
Rear Cover.
C Gently hold down the Rear Cover from the
center, then carefully start to lift the Rear Cover
from the bottom to create clearance between
the Bezel and the Rear Cover.
D Gently hold down the Rear Cover as shown in the steps below, then grasp the inside bottom corner and carefully lift
the Rear Cover to release the hooks.
USE CAUTION
to avoid breaking this
area of the Rear Cover
E Lift the Rear Cover from the bottom and push
forward to release the top hooks.
KDL-32HX750/32HX755
19
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
HANDLING THE LVDS FFC CONNECTOR
Several models use a LVDS FFC Connector from the Main Board to the
TCON Board. Currently there are three different types of connectors that
are used.
CAUTION:
Refer to the illustration below when disconnecting or connecting the
LVDS FFC Connector. Regardless of the connector type, DO NOT
remove the LVDS FFC Connector by the reinforcement tab only.
Correct
Incorrect
CAUTION:
The LVDS FFC Connector can be inserted into the Main Board upside
down. If it is inserted upside down, the pins on the LVDS FFC Connector
will short-circuit and damage the board.
Inserted Correctly
Inserted Incorrectly
DISCONNECTING THE LVDS FFC CONNECTOR
CAUTION:
Regardless of the connector type, DO NOT remove the LVDS FFC
Connector by the reinforcement tab only.
CONNECTOR TYPE 1
1. Slightly tilt the Main Board connector release away from the LVDS FFC
Connector.
2. Gently wiggle the LVDS FFC Connector to detach it from the Main
Board.
䐠
Main Board
Reinforcement
Tab
Tilt away from LVDS
CONNECTOR TYPE 2
1. Gently press down on the release tab of the Main Board connector.
2. Correctly holding onto the LVDS FFC Connector, pull out the connector
while continuing to hold down the release tab of the Main Board
connector.
䐠
Press down
Main Board
Reinforcement
Tab
CONNECTOR TYPE 3
1. Gently press down on the 2 release tabs of the Main Board connector.
2. Correctly holding onto the LVDS FFC Connector, pull out the connector
while continuing to hold down the release tabs of the Main Board
connector.
䐠
Reinforcement
Tab
Press down
Main Board
CONNECTING THE LVDS FFC CONNECTOR
CAUTION:
DO NOT insert the LVDS FFC Connector into the Main Board upside
down.
CONNECTOR TYPE 1
1. While holding onto the LVDS FFC Connector, gently tilt the Main Board
connector release towards the Main Board then slide the LVDS FFC
Connector straight in.
Main Board
Reinforcement
Tab
Tilt away from LVDS
CONNECTOR TYPE 2
1. Gently press down on the release tab of the Main Board connector.
2. Holding onto the entire LVDS FFC Connector, insert the LVDS FFC
Connector into the Main Board connector.
Main Board
Reinforcement
Tab
Press down
䐠
CONNECTOR TYPE 3
1. Gently press down on the 2 release tabs of the Main Board connector.
2. Holding onto the entire LVDS FFC Connector, insert the LVDS FFC
Connector into the Main Board connector.
Reinforcement
Tab
Press down
Main Board
䐠
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